Method of making a polydiene rubber comprising
(i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce a polymer having reactive polymer chain ends,
(ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units,
(iii) using at least one functionalization agent for introducing at least one functional group to the polymer, wherein the functional group, preferably, has in addition to C and H atoms at least one heteroatom selected from Si, S, N, O or combinations thereof and wherein (iii) is carried out before, after or during step (ii).
Method of making a polydiene rubber comprising
(i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce a polymer having reactive polymer chain ends,
(ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units,
(iii) using at least one functionalization agent for introducing at least one functional group to the polymer, wherein the functional group, preferably, has in addition to C and H atoms at least one heteroatom selected from Si, S, N, O or combinations thereof and wherein (iii) is carried out before, after or during step (ii).
Also provided are polydiene rubbers obtained by the method, curable compositions comprising the polydiene rubber and composition comprising the cured polydiene rubber.
Method of making a polydiene rubber comprising
(i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce polymers having reactive polymer chain ends,
(ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units.
Method of making a polydiene rubber comprising
(i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce polymers having reactive polymer chain ends,
(ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units.
Also provided are polydiene rubbers obtained by the method, curable compositions comprising the polydiene rubber and composition comprising the cured polydiene rubber.
A 3D-printable composition in the form of a filament, a granule or a plurality thereof comprising a polymer composition that comprises polylactic acid and a crosslinked ethylene-vinylacetate copolymer having at least one functional groups that is crosslinked. Also provided is a spool comprising wound up onto it the 3D-printable composition in the form of a filament, a process of producing an article by 3D-printing, 3D-printed articles and a process for making the 3D-printable composition.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
C08L 31/04 - Homopolymères ou copolymères de l'acétate de vinyle
C08L 67/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones
A polymer composition comprising
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula (1)
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula (1)
Acg represents an acid group selected from —COOH, —SO3H, —OSO3H, —PO3H2, —OPO3H2 and salts thereof and combinations thereof;
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula (1)
Acg represents an acid group selected from —COOH, —SO3H, —OSO3H, —PO3H2, —OPO3H2 and salts thereof and combinations thereof;
n represents an integer from 1 to 10.000;
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula (1)
Acg represents an acid group selected from —COOH, —SO3H, —OSO3H, —PO3H2, —OPO3H2 and salts thereof and combinations thereof;
n represents an integer from 1 to 10.000;
Ry represents an aromatic or aliphatic, linear, cyclic or branched hydrocarbon or heterohydrocarbon residue having a valency corresponding to n, wherein the heterohydrocarbon residue is a hydrocarbon residue that comprises additionally one or more heteroatoms selected from N, S, Si, O, F, Cl, Br and combinations thereof, and, in case Acg is COOH, Ry can also represent H,
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula (1)
Acg represents an acid group selected from —COOH, —SO3H, —OSO3H, —PO3H2, —OPO3H2 and salts thereof and combinations thereof;
n represents an integer from 1 to 10.000;
Ry represents an aromatic or aliphatic, linear, cyclic or branched hydrocarbon or heterohydrocarbon residue having a valency corresponding to n, wherein the heterohydrocarbon residue is a hydrocarbon residue that comprises additionally one or more heteroatoms selected from N, S, Si, O, F, Cl, Br and combinations thereof, and, in case Acg is COOH, Ry can also represent H,
and wherein the first functionalized diene polymer is a homopolymer of a conjugated diene or a copolymer of at least one conjugated diene and wherein the at least one conjugated diene comprises butadiene, isoprene, isoprene, 1,3-pentadiene, 2,3-dimethylbutadiene, 1-phenyl-1,3-butadiene, 1,3-hexadiene, myrcene, ocimenes and farnesene, preferably butadiene and isoprene, more preferably butadiene.
A polymer composition comprising
(i) at least one first polymer wherein the first polymer is a functionalized diene polymer comprising at least one functional unit having at least one carboxylic acid group or a salt thereof, wherein the functional unit is selected from terminal groups, side groups and combinations thereof, and preferably is a terminal group;
(ii) at least one organic acid according to the general formula (1):
Ry-(Acg)n (1),
(iii), optionally, at least one second polymer,
wherein the polymer composition has a total amount of first and second polymer of at least 90% by weight, or at least 95% by weight, based on the total weight of the composition which is 100% and wherein the amount of the at least one first polymer is at least 10% by weight, and wherein the first or the second polymer or both contain from 0 to 100 parts of extender oil per 100 parts of polymer and wherein the amount of polymer indicated by weight percent includes the amount of extender oil when present, and wherein in formula (1)
Acg represents an acid group selected from —COOH, —SO3H, —OSO3H, —PO3H2, —OPO3H2 and salts thereof and combinations thereof;
n represents an integer from 1 to 10.000;
Ry represents an aromatic or aliphatic, linear, cyclic or branched hydrocarbon or heterohydrocarbon residue having a valency corresponding to n, wherein the heterohydrocarbon residue is a hydrocarbon residue that comprises additionally one or more heteroatoms selected from N, S, Si, O, F, Cl, Br and combinations thereof, and, in case Acg is COOH, Ry can also represent H,
and wherein the first functionalized diene polymer is a homopolymer of a conjugated diene or a copolymer of at least one conjugated diene and wherein the at least one conjugated diene comprises butadiene, isoprene, isoprene, 1,3-pentadiene, 2,3-dimethylbutadiene, 1-phenyl-1,3-butadiene, 1,3-hexadiene, myrcene, ocimenes and farnesene, preferably butadiene and isoprene, more preferably butadiene.
Also provided are methods of making such compositions and articles made with such compositions.
The invention teaches a polymer which consists of monomer units acrylonitrile, 1,3-butadiene and acetoacetoxyethyl methacrylate. The polymer can be an unhydrogenated or a hydrogenated polymer. The invention also teaches a use of the polymer as a positive cathode binder for a rechargeable battery. The polymer according to the present invention has advantages over conventional polymers based at least on polyvinylidene fluoride polymer (PVDF).
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
6.
FUNCTIONALIZED PRE-CROSSLINKED HYDROGENATED NITRILE RUBBERS AS AQUEOUS BASED CATHODE BINDERS FOR LI-ION BATTERY APPLICATIONS
The invention relates to a functionalized and pre-crosslinked hydrogenated nitrile rubber as a binder in a cathode of a battery cell, to a cathode of a battery cell comprising said polymer, and to a composition comprising said polymer and an organic solvent.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
C08L 15/00 - Compositions contenant des dérivés du caoutchouc
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/50 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
121233, independently from each other, represent an organic residue having hdyrogen atoms and from 1 to 24 carbon atoms and wherein the organic residue optionally further comprise one or more than one heteroatom selected from O, S, N, Si, and combinations thereof; A represents a divalent alkylene unit having from 1 to 6 carbon atoms in the alkylene unit wherein the alkylene group may be unsubstituted or substituted in which case at least one of the hydrogen atoms of the alyklene unit is substituted by an an organic residue 5 comprising hdyrogen atoms and from 1 to 24 carbon atoms and wherein the organic residue optionally further comprises one or more heteroatoms selected from O, S, N, Si and combinations thereof. Also provided are polymers obainable by the process and articles containing the polymers or their cured version and methods of making such articles.
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
C08F 236/10 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des monomères vinylaromatiques
8.
EVM cathode binders for battery cells using γ-valerolactone as processing solvent
The invention relates to a polymer comprising or essentially consisting of monomer units derived from ethylene, vinylacetate and optionally, a termonomer selected from glycidyl methacrylate, vinyl methac- rylate, and maleic anhydride, wherein the weight content of monomer units derived from vinylacetate is greater than 50 wt.-%, relative to the total weight of the polymer. The polymer is useful for manufactur- ing a cathode for a battery cell. The invention further relates to a cathode of a battery cell comprising the polymer as well as to a composition comprising the polymer and γ-valerolactone.
The invention relates to a polymer comprising or essentially consisting of monomer units derived from 1,3-butadiene, acrylonitrile and optionally, methacrylic acid, wherein the weight content of monomer units derived from 1,3-butadiene is at most 65 wt.-%, relative to the total weight of the polymer. The polymer is useful for manufacturing a cathode for a battery cell. The invention further relates to a cathode of a battery cell comprising the polymer as well as to a composition comprising the polymer and γ-valerolactone.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
1231231234441231233 is a saturated, linear or branched alkyl carbanion and M is an alkali cation, and wherein the second functional group is a terminal group and comprises at least one group selected from -COOX; -OX; -SX, a plurality thereof and combinations thereof, wherein X represents hydrogen or a cation, and wherein the functionalized diene polymer is a homopolymer or a copolymer of a conjugated diene and wherein the conjugated diene is selected from the group consisting of butadiene, isoprene, isoprene, 1,3-pentadiene, 2,3-dimethylbutadiene, 1-phenyl-1,3-butadiene, 1,3-hexadiene, preferably butadiene. Also provided are methods for producing the polymers, articles obtained from the polymer and methods for making articles with the polymer.
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
A process for making a functionalized diene polymer terminated by a functional end group selected from thiol containing end groups, thiolate containing end groups and a combination thereof, comprising
(i) preparing a diene polymer by a polymerization reaction comprising an anionic polymerization reaction;
(ii) adding at least one first functionalisation reagent according to formula (III)
A process for making a functionalized diene polymer terminated by a functional end group selected from thiol containing end groups, thiolate containing end groups and a combination thereof, comprising
(i) preparing a diene polymer by a polymerization reaction comprising an anionic polymerization reaction;
(ii) adding at least one first functionalisation reagent according to formula (III)
to the polymerization reaction and reacting the at least one first functionalisation reagent with the anionic chain ends of the diene polymer to obtain a first reaction product,
(iii) adding at least one second functionalising reagent (IV)
A process for making a functionalized diene polymer terminated by a functional end group selected from thiol containing end groups, thiolate containing end groups and a combination thereof, comprising
(i) preparing a diene polymer by a polymerization reaction comprising an anionic polymerization reaction;
(ii) adding at least one first functionalisation reagent according to formula (III)
to the polymerization reaction and reacting the at least one first functionalisation reagent with the anionic chain ends of the diene polymer to obtain a first reaction product,
(iii) adding at least one second functionalising reagent (IV)
to the first reaction product to produce a thiol-terminated or thiolate-terminated diene polymer; wherein the process, optionally, further comprises
(iv) isolating the thiol-terminated or thiolate-terminated diene polymer from the reaction mixture, and optionally further comprising
(v) bringing the diene polymer into the form of sheets, bales, granules, bales or into the form of a powder,
wherein the thiol-terminated or thiolate-terminated diene polymer contains at least 51% by weight based on the total weight of the polymer of units derived from 1,3-butadiene, and wherein in formula (III) and (IV) R1, R2, R3 and R4 represent, independently from each other, hydrogen or a hydrocarbon residue containing from 1 to 24 carbon atoms per unit n and wherein the hydrocarbon residue may be saturated or may contain at least one carbon-carbon double bond and wherein the hydrocarbon residue may be interrupted once or more than once by O, Si or S atoms and may contain one or more substituents selected from alkyl amino, alkyl phosphino, alkyl silyl substituents and combinations thereof;
R5 represents an alkylene group —[CXY]p— wherein p is an integer selected from 2, 3, 4 or 5 and X and Y are independent from each other selected from H, or C1-C6 alkyl and each X and Y may be the same or different in each unit p, or the alkylene group is unsaturated in which case two neighbouring X, or two neighbouring Y, or one neighbouring X and one neighbouring Y jointly represent a carbon-carbon double bond;
n represents 3, 4, 5, 6, 7 or 8;
x and y are selected independently from each other and either represent 0 or 1 with the proviso that the sum of x+y is either 1 or 2. Also provided are polymers obtained by the process, compositions and compounds containing the polymers and articles made from the compounds. Also provided are methods of making compounds and articles.
C08F 236/10 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des monomères vinylaromatiques
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
12.
POWDEROUS RUBBERS WITH LITHIUM STEARATE, AND USE THEREOF AS AN ELECTRODE BINDER
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/52 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
13.
RUBBER COMPOUNDS OF FUNCTIONALIZED CONJUGATED DIENE RUBBERS AND SILICA FILLERS
22 of at least 80% by weight based on the weight of the filler and is obtained from a biomass ash comprising rice husk ash and wherein the conjugated diene polymer is a homopolymer of a conjugated diene or a copolymer of at least one conjugated diene selected from the group consisting of butadiene, isoprene, 1,3-pentadiene, 2,3-dimethyl- butadiene, 1-phenyl-1,3-butadiene, 1,3-hexadiene, and wherein the polymer is functionalized and comprises at least one functional group. Also provided is a method of making a vulcanizable rubber compound comprising combining the conjugated diene polymer with the silica, and a method of making an article comprising subjecting a curable composition comprising the compound and a curing agent capable of curing the conjugated diene polymer to at least one curing reaction. Further provided are articles obtained from the compounds.
Use of an ethylene copolymer for making tire or tire tread compounds, wherein the ethylene-copolymer is a copolymer comprising units derived from ethylene and at least one alpha-olefin monomer having from 3 to 12 carbon atoms, preferably propylene and, optionally, having units derived from at least one non-conjugated diene, and wherein the ethylene copolymer is functionalized to have at least one functional group comprising at least one polar unit selected from a carboxylic acid group (or salts thereof), an anhydride group, an epoxy group, a glycidyl ether group or a combination thereof, and wherein the ethylene-copolymer comprises from 40 to 80 % wt. of units derived from ethylene, preferably from 44 % wt. to 76 % wt. of units derived from ethylene and at least 20% wt. of units derived from one or one alpha-olefin monomer having from 3 to 12 carbon atoms, preferably comprising at least 15% wt. of units derived from propylene. Also provided are compositions comprising the ethylene-copolymer and a conjugated diene polymer, method of making such compositions and articles containing them.
An adhesive composition comprising a moisture-curable polyurethan-based adhesive and a polymer comprising units derived from ethylene and vinyl acetate and having a melt-flow index at 196°C and a load of 2.16 kg of 10 to 250 g/10 min, preferably between 30 and 100 g/10 min, wherein the polymer comprises at least 8% by weight of units derived from ethylene and from 62 to 92 % by weight of units derived from vinyl acetate, wherein the % by weight is based on the total weight of the polymer which is 100%. Also provided are polymers comprising units derived from ethylene and vinylacetate and having a melt-flow index at 196°C and a load of 2.16 kg of 10 to 250 g/10 min, preferably 30 to 100 g/10 min, wherein the polymer comprises at least 8% by weight of units derived from ethylene and from 69 to 92 % by weight of units derived from vinyl acetate, wherein the % by weight is based on the total weight of the polymer which is 100%. Further are provided process for making adhesive compositions, for making bonds and bonded articles.
B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes
C08G 18/12 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle utilisant plusieurs composés contenant un hydrogène actif dans le premier stade de la polymérisation
A composition comprising a curable polybutadiene polymer comprising at least 60% by weight, preferably at least 80% by weight of units derived from butadiene, based on the total weight of the polymer, and wherein the polymer has a Mooney viscosity ML 1+4 at 100°C of from 42 to 150 MU and is branched and wherein the polymer satisfies the equation: Mooney viscosity ML 1+4 at 100°C of the polymer / branching degree Δδ of the polymer ≥ 4.6. Also provided are methods of making the polymers and articles obtained with the composition and methods of making articles.
C08L 9/00 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures à diènes conjugués
C08F 4/44 - MétauxHydrures métalliquesComposés organiques de métalLeur utilisation comme précurseurs de catalyseurs choisis parmi les métaux légers, le zinc, le cadmium, le mercure, le cuivre, l'argent, l'or, le bore, le gallium, l'indium, le thallium, les terres rares ou les actinides
C08C 19/20 - Incorporation d'atomes de soufre dans la molécule
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I)
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I)
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I)
and trans groups of the general formula (II)
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I)
and trans groups of the general formula (II)
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I)
and trans groups of the general formula (II)
of from 0% to 9% by weight based on the total weight of the polymer and wherein the partially hydrogenated polybutadiene polymer is a butadiene polymer comprising at least 50% by weight based on the total weight of the polymer which is 100%, of units derived from 1,3-butadiene. Also provided are a process to make the polymer, compositions containing the polymer and articles obtained by using the polymer.
A composition comprising a non-spherical powderous cross-linked polymer obtained by grinding, wherein the cross-linked polymer comprises the monomer units 1,3 butadiene, (hydroxyethyl)methacrylate and trimethylolpropane trimethacrylate, and the non-spherical powderous cross-linked polymer has a particle size D(90) of 180 ? 450 µm. The compositionfurther comprises a silica anti-caking agent. The compositions are used as binders in anodes of a rechargeable battery.
A composition comprising a non-spherical powderous cross-linked polymer obtained by grinding, wherein the cross-linked polymer comprises the monomer units 1,3 butadiene, (hydroxyethyl)methacrylate and trimethylolpropane trimethacrylate, and the non-spherical powderous cross-linked polymer has a particle size D(90) of 180 – 450 µm. The compositionfurther comprises a silica anti-caking agent. The compositions are used as binders in anodes of a rechargeable battery.
The present invention relates to an adhesive formulation preferably based on polychloroprene, comprising a preferably bio-based solvent or solvent mixture with a long open time together with a high solution viscosity.
A method of making a polydiene polymer having at least 50 % by weight based on the weight of the polymer of units derived from one or more conjugated diene, wherein the method comprises a polymerization with at least one aliphatic conjugated diene monomer having from 4 to 25 carbon atoms and, optionally, one or more comonomer, wherein the method further comprises using at least one functionalizing comonomer according to formula (1) wherein the functionalising comonomer is either used at the beginning of the polymerization to produce an alpha-functionalized polymer or at the end of the polymerization to produce an omega-functionalized polymer or during the polymerization to produce a backbone-modified polymer, or a combination thereof, and wherein in formula (1), R1and R2are selected independently selected from each other from alkyl residues having from 1 to 12 carbon atoms, which may, optionally, contain one or more ether or halogen atoms, and trialkyl silane residues of formula (2) (R3)(R4)(R5)Si- (2) wherein R3, R4and R5are selected independently from each other from alkyl residues having from 3 to 32 carbon atoms which may, optionally, contain one or more ether or halogen atoms and wherein at least one of R3, R4and R5is branched, and wherein at least one of R1and R2is a trialkyl silane residue of formula (2). Also provided are compositions comprising a polymer obtained by the method, articles comprising a cured polymer and methods of making a cured article.
C08L 15/00 - Compositions contenant des dérivés du caoutchouc
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
C08F 236/10 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des monomères vinylaromatiques
22.
VULCANISABLE COMPOSITION FOR FORMING A NITROSAMINE FREE SULPHUR MODIFIED POLYCHLOROPRENE VULCANISATE
The present invention relates to a vulcanisable composition for forming a nitrosamine free sulphur modified polychloroprene vulcanisate and to a method for making the same.
Method of making a polydiene rubber comprising (i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce polymers having reactive polymer chain ends, (ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units. Also provided are polydiene rubbers obtained by the method, curable compositions comprising the polydiene rubber and composition comprising the cured polydiene rubber.
Method of making a polydiene rubber comprising (i) polymerizing at least one aliphatic conjugated diene monomer, preferably having from 4 to 25 carbon atoms, to produce a polymer having reactive polymer chain ends, (ii) reacting at least some of the reactive polymer chain ends with a coupling agent comprising from 2 to 20 unsaturated siloxane units, preferably from 3 to 15 units, more preferably from 3 to 10 units, (iii) using at least one functionalization agent for introducing at least one functional group to the polymer, wherein the functional group, preferably, has in addition to C and H atoms at least one heteroatom selected from Si, S, N, O or combinations thereof and wherein (iii) is carried out before, after or during step (ii). Also provided are polydiene rubbers obtained by the method, curable compositions comprising the polydiene rubber and composition comprising the cured polydiene rubber.
An end-group functionalized polymer having one or more end groups according to the general formula (I)
An end-group functionalized polymer having one or more end groups according to the general formula (I)
An end-group functionalized polymer having one or more end groups according to the general formula (I)
wherein
R1 represents a saturated or unsaturated, linear or branched, preferably aliphatic, hydrocarbon group having from 1 to 20 carbon atoms which, in addition to C and H, may contain one or more heteroatoms, preferably independently of one another selected from O, N, S or Si;
R2, R3 are identical or different and represent saturated or unsaturated hydrocarbon groups having from 1 to 20 carbon atoms and wherein the hydrocarbon group may contain, in addition to C and H atoms, one or more heteroatoms, preferably selected from the group consisting of O, N, S and Si;
A represents a residue selected from the group consisting of O-R4-OH, R5-OH and R6-NH-R7, preferably O-R4-OH wherein R4, R5 and R6 represent a saturated or unsaturated linear or branched hydrocarbon group which, in addition to C and H atoms, may contain one or more heteroatoms, independently selected from O, N, S or Si and which contains from 1 to 20 carbon atoms and wherein
R7 represents H or a linear or branched or cyclic aliphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms and which, in addition to C and H atoms, may contain one or more heteroatoms, preferably selected from O, N, S or Si;
and wherein the polymer is a homopolymer of a conjugated diene or a copolymer of at least one or more conjugated diene and one or more vinylaromatic monomer and, optionally one or more other comonomers. Also provided are a process for making the polymers and articles made with the polymers.
C08F 236/10 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des monomères vinylaromatiques
The present disclosure relates to rubber polymers of ethylene-glycidylmethacrylate-vinyl acetate polymer as modifiers in epoxy resins. In particular ethylene-glycidylmethacrylate-vinyl acetate rubber polymers comprising phthalic anhydride modified glycidyl methacrylate monomer units.
C08L 63/00 - Compositions contenant des résines époxyCompositions contenant des dérivés des résines époxy
C08L 33/14 - Homopolymères ou copolymères des esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
C08L 33/06 - Homopolymères ou copolymères des esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'oxygène, faisant uniquement partie du radical carboxyle
C08G 59/38 - Composés époxydés contenant au moins trois groupes époxyde en mélange avec des composés diépoxydés
C08G 59/42 - Acides polycarboxyliquesLeurs anhydrides, halogénures ou esters à bas poids moléculaire
C09J 163/10 - Résines époxy modifiées par des composés non saturés
27.
STABILIZED POLYMER COMPOSITIONS COMPRISING ORGANIC ACIDS AND DIENE RUBBERS FUNCTIONALIZED WITH UNITS COMPRISING CARBOXYLIC ACID GROUPS
n3332322 and salts thereof and combinations thereof; n represents an integer from 1 to 10.000; Ry represents an aromatic or aliphatic, linear, cyclic or branched hydrocarbon or heterohydrocarbon residue having a valency corresponding to n, wherein the heterohydrocarbon residue is a hydrocarbon residue that comprises additionally one or more heteroatoms selected from N, S, Si, O, F, Cl, Br and combinations thereof, and, in case Acg is COOH, Ry can also represent H, and wherein the first functionalized diene polymer is a homopolymer of a conjugated diene or a copolymer of at least one conjugated diene and wherein the at least one conjugated diene comprises butadiene, isoprene, isoprene, 1,3-pentadiene, 2,3-dimethylbutadiene, 1-phenyl- 1,3-butadiene, 1,3-hexadiene, myrcene, ocimenes and farnesene, preferably butadiene and isoprene, more preferably butadiene. Also provided are methods of making such compositions and articles made with such compositions.
A process of making a functionalized diene polymer comprising subjecting a functionalized diene monomer to a polymerization reaction to produce a side-group functionalized polymer wherein the functionalized diene monomer is selected from the group according to formulae (1) to (3) or a combination thereof, wherein a1, a2, a3, a4, a5 independently from each other represent either H or a saturated, unsaturated, linear or branched aliphatic hydrocarbon residue having from 1 to 12 carbon atoms, with the proviso that at least three of a1, a2, a3, a4 and a5 represent H, and wherein X represents a side group according to formula (4), wherein in formula (4) n is selected from 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10, A1, A2, A3, A4 are identical or different and represent oxygen or -NR10R11wherein R10and R1111212 alkyl residue or an aromatic residue with 6 to 20 carbon atoms selected from aryl, alkylaryl or arylalkyl, and wherein at least one of A1 or A2 and at least one of A3 or A4 represents oxygen, R1 and R2 are identical or different and represent saturated or unsaturated, linear or branched divalent alkylenes containing from 1 and up to 20 carbon atoms; R3, R4, R5, R6 are identical or different and represent H, a saturated, linear or branched aliphatic hydrocarbon with 1 to 10 carbon atoms which may contain one or more heteroatoms selected from N, S or O, or an aromatic residue which may contain one or more heteroatoms selected from N, S or O and contains from 5 and up to 20 carbon atoms; R7, R8, R9 are identical or different and represent H, a linear or branched, saturated or unsaturated aliphatic, preferably alkyl, residue containing from 1 and up to 20 carbon atoms, and wherein the polymerization reaction comprises a homopolymerization or a copolymerization, and wherein the functionalized polymer comprises one or more side groups X according to formula (4), wherein the process, optionally, comprises converting the side groups X into side groups Y according to formula (5). Also provided are compositions containing a polymer obtainable by the process, articles obtained with the compositions and methods of making articles.
C08F 136/14 - Homopolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées contenant des éléments autres que le carbone ou l'hydrogène
C08F 236/14 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées contenant des éléments autres que le carbone et l'hydrogène
The invention teaches a polymer which consists of monomer units acrylonitrile, 1,3-butadiene and acetoacetoxyethyl methacrylate. The polymer can be an unhydrogenated or a hydrogenated polymer. The invention also teaches a use of the polymer as a positive cathode binder for a rechargeable battery. The polymer according to the present invention has advantages over conventional polymers based at least on polyvinylidene fluoride polymer (PVDF).
C08F 279/02 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant plusieurs liaisons doubles carbone-carbone tels que définis dans le groupe sur des polymères de diènes conjugués
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
B60C 11/00 - Bandes de roulement des pneumatiquesSculptures des bandes de roulementPièces rapportées antidérapantes
C08C 19/36 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec l'oxygène ou des groupes contenant de l'oxygène avec des radicaux carboxyle
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
12345p166 alkyl and each X and Y may be the same or different in each unit p, or the alkylene group is unsaturated in which case two neighbouring X, or two neighbouring Y, or one neighbouring X and one neighbouring Y jointly represent a carbon-carbon double bond; n represents 3, 4, 5, 6, 7 or 8; x and y are selected independently from each other and either represent 0 or 1 with the proviso that the sum of x+y is either 1 or 2. Also provided are polymers obtained by the process, compositions and compounds containing the polymers and articles made from the compounds. Also provided are methods of making compounds and articles.
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I) and trans groups of the general formula (II) of from 0% to 9% by weight based on the total weight of the polymer and wherein the partially hydrogenated polybutadiene polymer is a butadiene polymer comprising at least 50% by weight based on the total weight of the polymer which is 100%, of units derived from 1,3-butadiene. Also provided are a process to make the polymer, compositions containing the polymer and articles obtained by using the polymer.
The present invention relates to a process for producing PEG acrylate-HNBR copolymer which exhibits excellent processability by latex hydrogenation of PEG acrylate-NBR latex to afford PEG acrylate-HNBR latex and subsequent coagulation.
What are provided are pulverulent mixtures based on specific nitrile rubbers and at least one separating agent, and also a process for producing vulcanizable mixtures and vulcanizates made from these pulverulent mixtures, and the resultant vulcanizates and their use, especially in tyre treads, where an improvement in wet skid resistance, dry grip and rolling resistance delivers is observed with simultaneously good mixing characteristics.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
The present invention relates to a process for preparing solutions of hydrogenated nitrile-diene copolymer, wherein the nitrile-diene copolymer dissolved in an ether-containing or ketone-containing solvent mixture is subjected to hydrogenation conditions. The invention further relates to solutions of hydrogenated nitrile-diene copolymer (HNBR solutions) comprising CPME as solvent, and to the use of HNBR solutions in CPME-containing solvent mixtures as binder in electrodes.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
C08F 4/80 - MétauxHydrures métalliquesComposés organiques de métalLeur utilisation comme précurseurs de catalyseurs choisis parmi les métaux non prévus dans le groupe choisis parmi les métaux du groupe du fer ou les métaux du groupe du platine
37.
Catalyst system containing a metathesis catalyst and at least one phenolic compound and a process for metathesis of nitrile-butadiene rubber (NBR) using the catalyst system
The present invention relates to a catalyst system containing a metathesis catalyst containing at least one N-heterocyclic carbene ligand and at least one phenolic compound and to a process for performing the metathesis on nitrile rubbers for reducing their molecular weight using a metathesis catalyst containing at least one N-heterocyclic carbene ligand (NHC ligand) and at least one phenolic compound.
B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques
B01J 31/18 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination contenant de l'azote, du phosphore, de l'arsenic ou de l'antimoine
The present invention relates to a vulcanisable composition for forming a nitrosamine free sulphur modified polychloroprene vulcanisate and to a method for making the same.
An end-group functionalized polymer having one or more end groups according to the general formula (I) wherein R1 represents a saturated or unsaturated, linear or branched, preferably aliphatic, hydrocarbon group having from 1 to 20 carbon atoms which, in addition to C and H, may contain one or more heteroatoms, preferably independently of one another selected from O, N, S or Si; R2, R3 are identical or different and represent saturated or unsaturated hydrocarbon groups having from 1 to 20 carbon atoms and wherein the hydrocarbon group may contain, in addition to C and H atoms, one or more heteroatoms, preferably selected from the group consisting of O, N, S and Si; A represents a residue selected from the group consisting of O-R4-OH, R5-OH and R6-NH- R7, preferably O-R4-OH wherein R4, R5 and R6 represent a saturated or unsaturated linear or branched hydrocarbon group which, in addition to C and H atoms, may contain one or more heteroatoms, independently selected from O, N, S or Si and which contains from 1 to 20 carbon atoms and wherein R7 represents H or a linear or branched or cyclic aliphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms and which, in addition to C and H atoms, may contain one or more heteroatoms, preferably selected from O, N, S or Si; and wherein the polymer is a homopolymer of a conjugated diene or a copolymer of at least one or more conjugated diene and one or more vinylaromatic monomer and, optionally one or more other comonomers. Also provided are a process for making the polymers and articles made with the polymers.
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
C08C 19/30 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
This invention relates to a novel process for selectively and efficiently hydrogenating nitrile rubber in the presence of specific complex catalysts system comprising an NHC-ligand comprising Ru-complex catalyst and a specific hydrogenation enhancer.
C08L 33/06 - Homopolymères ou copolymères des esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'oxygène, faisant uniquement partie du radical carboxyle
C09J 163/00 - Adhésifs à base de résines époxyAdhésifs à base de dérivés des résines époxy
42.
POLYETHERAMINE MODIFIED POLYMER RUBBERS OF ETHYLENE-GLYCIDYLMETHACRYLATE-VINYL ACETATE AND EPOXY RESINS COMPRISING THE SAME
The present disclosure relates to rubber polymers of ethylene-glycidylmethacrylate-vinyl acetate polymer as modifiers in epoxy resins. In particular ethylene-glycidylmethacrylate- vinyl acetate rubber polymers comprising polyetheramine modified glycidyl methacrylate monomer units.
The present invention relates to the use of specific catalysts for the metathesis degradation of nitrile rubber (NBR).
The invention further relates to a method for preparing nitrile rubber with reduced molecular weight using specific catalysts.
This invention relates to novel hydrogenation catalyst compositions obtainable from reacting metal-based complex hydrogenation catalysts with specific co-catalysts and to a process for selectively hydrogenating nitrile rubbers in the presence of such novel hydrogenation catalyst compositions.
B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques
A star-branched diene rubber, the process for making such a rubber and its use in high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) polymers.
C08C 19/40 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec l'oxygène ou des groupes contenant de l'oxygène avec des radicaux époxyde
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
C08F 279/04 - Monomères vinylaromatiques et nitriles comme seuls monomères
46.
Process for the production of isoolefin polymers with improved initiator system preparation
The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of isobutene and optionally further monomers in the presence of an initiator system prepared by continuously contacting at least one boron or aluminium compound and at least one initiator.
The present invention relates to the use of Ru and Os carbene complexes with a hydroxamic acid (ester) function for the metathesis degradation of nitrile rubber (NBR). The invention further relates to a method for producing hydrogenated nitrile rubbers, by subjecting a nitrile rubber to a metathesis degradation in the presence of the said catalyst, and the degraded nitrile rubber obtained subsequently undergoes a hydrogenation, preferably in situ.
Contact adhesive compositions comprising polychloroprene and, based on the polychloroprene content, 10 to 99 wt % of ethylene-vinyl acetate copolymer exhibit outstanding adhesion to substrates such as ethylene-vinyl acetate copolymers, thermoplastic elastomers or flexible PVC. The contact adhesive compositions of the invention are especially suitable for use in the bonding of articles, preferably articles in which at least part of the articles to be bonded consists of polyurethane, flexible PVC, ethylene-vinyl acetate copolymers and/or thermoplastic elastomers. This allows the adhesive composition to be employed widely in the footwear industry, for the bonding of roofing membranes containing flexible PVC, ethylene-propylene-diene rubber (EPDM) and/or ethylene-vinyl acetate copolymers, or for the bonding of synthetic leather based on flexible PVC.
The present invention relates to nitrile-diene-carboxylic ester copolymers, to the preparation thereof, to vulcanizable compositions containing nitrile-diene-carboxylic ester copolymers and the production thereof, and to vulcanizates based on nitrile-diene-carboxylic ester copolymers and to the use thereof in elastomeric components.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
C08F 236/10 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des monomères vinylaromatiques
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/36 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec l'oxygène ou des groupes contenant de l'oxygène avec des radicaux carboxyle
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
C08F 236/10 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des monomères vinylaromatiques
The invention relates to a reactor and to a method for continuous polymerization, in which said reactor for the continuous production of polymers, particularly synthetic rubbers, contains at least one substantially tubular reactor housing (4), wherein said reactor housing (4) has a drive shaft (30) that is connected to at least one agitator (38) arranged such that it can rotate inside the reactor housing (4), and the agitator contains at least one, and preferably two, three or four helical mixing elements (24) which are designed to be preferably close to the wall or to come into contact with the wall.
The present invention relates to the use of vulcanisates comprising PEG acrylate-HNBR copolymer for production of components that are in contact with media comprising polycyclic aromatic hydrocarbons (PAHs), wherein the PEG acrylae-HNBR copolymer has a content of nitrile monomer units of 0.1% to 20% by weight. The use of PEG acrylate-HNBR copolymers reduces the increase in hardness on contact of the vulcanisate with PAH-containing medium by comparison with HNBR copolymers having a similar nitrile content.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
The present invention relates to vulcanisates comprising hydrogenated nitrile rubber (HNBR) and at least one polycyclic aromatic hydrocarbon (PAH), and to the use thereof as belts, gaskets or hoses.
The present invention relates to a process for preparing nitrile rubbers having reduced molecular weight by metathesis of a first nitrile rubber in the presence of specific ruthenium complex catalysts that have particular N-heterocyclic carbene ligands.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
It provides a binder composition for a cathode of a cell of a lithium-ion battery comprising Ni-Co-containing cathode active material and hydrogenated nitrile butadiene rubber (HNBR) with an average molecular weight of more than 100,000 g/mol to less than 200,000 g/mol, a cathode slurry composition comprising the binder composition, a cathode, a process for manufacturing this cathode, and a lithium-ion battery having one or more cells incorporating this cathode.
The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in nitrile butadiene rubber which is present in latex form, this means as a suspension of nitrile butadiene rubber particles in an aqueous medium, using a hydrogenation catalyst in the presence of an emulsifier.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
C08K 5/098 - Sels métalliques d'acides carboxyliques
58.
Copolymer vulcanizates for use in contact with oxymethylene ether comprising media
The present invention relates to (halogenated) copolymer vulcanizates and the use thereof in devices such as seals, tank linings, o-rings or hoses which are in contact with liquid medium comprising oxymethylene ether.
C08L 23/22 - Copolymères de l'isobutylèneCaoutchouc butylHomopolymères ou copolymères d’autres iso-oléfines
C08L 23/28 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures aliphatiques non saturés ne possédant qu'une seule liaison double carbone-carboneCompositions contenant des dérivés de tels polymères modifiées par post-traitement chimique par réaction avec les halogènes ou des composés contenant des halogènes
What are provided are pulverulent mixtures based on specific nitrile rubbers and at least one separating agent, and also a process for producing vulcanizable mixtures and vulcanizates made from these pulverulent mixtures, and the resultant vulcanizates and their use, especially in tyre treads, where an improvement in wet skid resistance, dry grip and rolling resistance delivers is observed with simultaneously good mixing characteristics.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
C08F 236/14 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées contenant des éléments autres que le carbone et l'hydrogène
The present invention relates to an electrode composition for a cathode of a cell of a lithium-ion battery comprising an epoxy group-containing fluorine-free copolymer, a cathode slurry composition comprising the electrode composition, a cathode, a process for manufacturing this cathode, and a lithium-ion battery having one or more cells incorporating this cathode.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
The present invention relates to a process for producing PEG acrylate-HNBR copolymer which exhibits excellent processability by latex hydrogenation of PEG acrylate-NBR latex to afford PEG acrylate-HNBR latex and subsequent coagulation.
C08F 4/54 - MétauxHydrures métalliquesComposés organiques de métalLeur utilisation comme précurseurs de catalyseurs choisis parmi les métaux légers, le zinc, le cadmium, le mercure, le cuivre, l'argent, l'or, le bore, le gallium, l'indium, le thallium, les terres rares ou les actinides en mélange avec d'autres de leurs composés
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
62.
CUTTING TOOL AND METHOD FOR SETTING A TARGET WEIGHT
The present invention relates to a cutting tool (30) for cutting out a core (34) from an elastomer body (14) made from an elastic material, in particular synthetic caoutchouc, comprising a cutting tube (38) for driving into the elastomer body (14), the cutting tube (38) having, at a cutting end (42), a circumferentially continuous, substantially circular cutting edge (44), and comprising at least one cutting blade (52), projecting radially inwards from the cutting tube (38), for cutting, at least partly, into the core (34). Owing to the geometry of the cutting tool (30), a predefined core (34) can be conveyed out of the interior of the elastomer body (14) in an automated process as a result of a pressure force applied from inside via the cutting blade (52), such that it is made possible to set a desired target weight of an elastomer body (14) in an inexpensive and precise manner.
B26D 7/30 - Moyens pour exécuter d'autres opérations en combinaison avec la coupe pour peser le produit coupé
B26D 5/00 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe
B26D 1/28 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément coupant non circulaire se déplaçant autour d'un axe sensiblement perpendiculaire à la ligne de coupe et tournant sans arrêt dans le même sens pendant la coupe
B26F 1/44 - Outils de coupe à cet effetMatrices à cet effet
B26D 1/00 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet
63.
PROCESS FOR PREPARING HNBR SOLUTIONS WITH ALTERNATIVE SOLVENTS
The present invention relates to a process for preparing solutions of hydrogenated nitrile-diene copolymer, wherein the nitrile-diene copolymer dissolved in an ether-containing or ketone-containing solvent mixture is subjected to hydrogenation conditions. The invention further relates to solutions of hydrogenated nitrile-diene copolymer (HNBR solutions) comprising CPME as solvent, and to the use of HNBR solutions in CPME-containing solvent mixtures as binder in electrodes.
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
64.
PROCESS FOR PREPARING HNBR SOLUTIONS WITH ALTERNATIVE SOLVENTS
The present invention relates to a process for preparing solutions of hydrogenated nitrile-diene copolymer, wherein the nitrile-diene copolymer dissolved in an ether-containing or ketone-containing solvent mixture is subjected to hydrogenation conditions. The invention further relates to solutions of hydrogenated nitrile-diene copolymer (HNBR solutions) comprising CPME as solvent, and to the use of HNBR solutions in CPME-containing solvent mixtures as binder in electrodes.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
65.
CATALYST SYSTEM CONTAINING A METATHESIS CATALYST AND AT LEAST ONE PHENOLIC COMPOUND AND A PROCESS FOR METATHESIS OF NITRILE-BUTADIENE RUBBER (NBR) USING THE CATALYST SYSTEM
The present invention relates to a catalyst system containing a metathesis catalyst containing at least one N-heterocyclic carbene ligand and at least one phenolic compound and to a process for performing the metathesis on nitrile rubbers for reducing their molecular weight using a metathesis catalyst containing at least one N-heterocyclic carbene ligand (NHC ligand) and at least one phenolic compound.
B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques
B01J 31/18 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination contenant de l'azote, du phosphore, de l'arsenic ou de l'antimoine
The present disclosure relates to an all-solid-state lithium-ion battery produced by applying onto a substrate a slurry in which an active material, a conductive material, a sulfide-based solid-state electrolyte, a binder and a solvent are mixed, characterized in that the binder is a hydrogenated acrylate-nitrile-butadiene rubber (H-ANBR) which comprises remaining double bonds in an amount of more than 0% and not more than 5.5% based on the total amount of the H-ANBR.
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
An extruder system for degassing a mixture, comprising a first extruder, a second extruder arranged downstream of the first extruder and a transfer zone formed between these extruders, characterized by a pressure regulating device which can regulate the pressure at the outlet of the first extruder.
B29B 7/42 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec un seul arbre à vis ou à vis sans fin
The teachings herein relate to an inspection apparatus for visual inspection of elastic particles and to methods of inspecting elastic particles. The inspection apparatus employs at least one flap for stopping or reducing a horizontal portion of the movement of particles leaving a conveyer belt. Preferably the flap dissipates a part of the kinetic energy of the elastic particles and/or reducing a horizontal rebound of the elastic particles. The teachings herein may be employed in a method with improved accuracy of sorting elastic particles.
The present invention relates to the use of specific catalysts for the metathesis degradation of nitrile rubber (NBR). The invention further relates to a method for preparing nitrile rubber with reduced molecular weight using specific catalysts.
B01J 31/12 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques contenant des composés organométalliques ou des hydrures métalliques
This invention relates to a novel process for selectively and efficiently hydrogenating nitrile rubber in the presence of specific complex catalysts system comprising an NHC-ligand comprising Ru-complex catalyst and a specific hydrogenation enhancer.
The present invention relates to a method for producing hydrogenated nitrile rubber (HNBR) having good ageing properties in the presence of ruthenium, palladium or rhodium compounds and also to the hydrogenated nitrile rubber produced by this method and HNBR compositions thereof.
The present invention relates to a sealing compound, in particular a tyre sealing compound, comprising a specific crosslinked butyl rubber and the use thereof as well as a process for producing said sealing compound.
The present invention relates to a sealing compound, in particular a tyre sealing compound, comprising a specific crosslinked butyl rubber and the use thereof as well as a process for producing said sealing compound.
A sealing compound comprising an inventive extended sealing gel, a process for producing this sealing compound, the use of sealing gels in sealing compounds, and the use of sealing gel-containing sealing compounds in tyres
B01J 31/18 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination contenant de l'azote, du phosphore, de l'arsenic ou de l'antimoine
The present invention relates to the use of a vulcanisable composition comprising HNBR- PEG acrylate copolymer for production of vulcanisates that are in contact with coolant. The invention further relates to the use of a vulcanisate produced from a vulcanisable composition comprising HNBR-PEG acrylate copolymer as a component part, preferably as a gasket or as a hose, in contact with coolant.
This invention relates to novel hydrogenation catalyst compositions obtainable from reacting metal-based complex hydrogenation catalysts, preferably (annellated) iminovinyloxy Ru species such as known by the trade names Umicore M41 or Umicore M42, with specific co-catalysts such as ethyl vinyl ether (EVE) and to a process for selectively hydrogenating nitrile rubbers in the presence of such novel hydrogenation catalyst compositions, optionally with prior metathetic decrease of molecular weight.
B01J 31/02 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques
The present invention relates to hydrogenated nitrile-diene-carboxylic ester copolymers, to the production thereof, to vulcanizable mixtures containing hydrogenated nitrile-diene-carboxylic ester copolymers and the production thereof, and also to vulcanizates based on hydrogenated nitrile-diene-carboxylic ester copolymers and to the use thereof in belts.
C08L 15/00 - Compositions contenant des dérivés du caoutchouc
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
C08F 220/26 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle
Disclosed is a contact adhesive composition, comprising polychloroprene and, based on the polychloroprene content, 10 to 99 wt% of ethylene-vinyl acetate copolymer exhibit outstanding adhesion to substrates such as ethylene-vinyl acetate copolymers, thermoplastic elastomers or flexible PVC. The contact adhesive composition is especially suitable for use in the bonding of articles, preferably articles in which at least part of the articles to be bonded consists of polyurethane, flexible PVC, ethylene-vinyl acetate copolymers and/or thermoplastic elastomers. This allows the adhesive composition to be employed widely in the footwear industry, for the bonding of roofing membranes containing flexible PVC, ethylene-propylene-diene rubber (EPDM) and/or ethylene-vinyl acetate copolymers, or for the bonding of synthetic leather based on flexible PVC.
The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in nitrile butadiene rubber which is present in latex form, this means as a suspension of nitrile butadiene rubber particles in an aqueous medium, using a hydrogenation catalyst in the presence of an emulsifier.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
C08K 5/098 - Sels métalliques d'acides carboxyliques
C08F 4/80 - MétauxHydrures métalliquesComposés organiques de métalLeur utilisation comme précurseurs de catalyseurs choisis parmi les métaux non prévus dans le groupe choisis parmi les métaux du groupe du fer ou les métaux du groupe du platine
The present invention relates to vulcanizable compositions that contain HNBR rubber, polyamide and peroxidic crosslinkers and optionally light fillers and antioxidants, to the vulcanized products thereof and to the use thereof for the production of shaped parts.
The invention relates to nitrile-diene-carboxylic acid ester copolymers, to the production thereof, to vulcanisable compositions containing nitrile-diene-carboxylic acid ester copolymers and the production thereof, and to vulcanised materials based on nitrile-diene-carboxylic acid ester copolymers and the use thereof in elastomer components.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
The present invention relates to a process for producing nitrile rubbers having a lower molecular weight by metathesis of a first nitrile rubber in the presence of specific ruthenium complex catalysts which comprise special N-heterocyclic carbene ligands.
The present invention relates to vulcanizable compositions that contain hydrogenated nitrile rubber, synthetic graphite and/or alumina and a crosslinking agent, to the vulcanized products thereof and to their use as components.
The present invention relates to (halogenated) copolymer vulcanizates and the use thereof in devices such as seals, tank linings, o-rings or hoses which are in contact with liquid medium comprising oxymethylene ether.
The present invention relates to (halogenated) copolymer vulcanizates and the use thereof in devices such as seals, tank linings, o-rings or hoses which are in contact with liquid medium comprising oxymethylene ether.
The invention relates to vulcanizable compositions containing hydrogenated nitrile rubber, non-silanized mineral filler, less than 20 phr carbon black and peroxidic cross-linking agent. The invention further relates to the production of such vulcanizable compositions, to vulcanizates produced therefrom and to the use thereof as molded parts that are in contact with acidic media containing both organic and inorganic acids, preferably seals, belts and hoses that are in contact with blow-by gas or exhaust-gas-recirculation gas or the condensate thereof.
3), a sodium silicate and a crosslinking system on the basis of free-radical donors. The invention further relates to the production of these vulcanizable compositions, and also to vulcanized products which are produced therefrom and their use in particular in gaskets, belts, roll coverings, hoses and cables.
The present invention relates to vulcanizable compositions comprising hydrogenated nitrile-diene-carboxylic ester copolymer and silica, to the production thereof and to vulcanizate, and to the use thereof in gaskets and belts.
The present invention relates to hydrogenated nitrile-butadiene-PEG acrylate copolymers, to the preparation thereof, to vulcanizable mixtures comprising hydrogenated nitrile-butadiene-PEG acrylate copolymers and the preparation thereof, and vulcanizates based on hydrogenated nitrile-butadiene-PEG acrylate copolymer.
C08F 236/12 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées avec des nitriles
C08F 220/20 - Esters des alcools polyhydriques ou des phénols polyhydriques
Essentially ETU-free cross linkable compositions comprising chloroprene rubber, a cross-linker and a vulcanization accelerator, which have a defined content of ions from the second or third main group and resinate anions and thus possesses improved curing characteristics, a process for vulcanization of such compositions and vulcanizates obtained thereby.
C08F 136/18 - Homopolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées contenant des éléments autres que le carbone ou l'hydrogène contenant des halogènes contenant du chlore
C08C 19/26 - Incorporation d'atomes métalliques dans la molécule
C08K 3/011 - Agents de réticulation ou de vulcanisation, p. ex. accélérateurs
A star-branched diene rubber, the process for making such a rubber and its use in high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) polymers.
C08C 19/40 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec l'oxygène ou des groupes contenant de l'oxygène avec des radicaux époxyde
C08C 19/44 - Addition d'un réactif qui réagit avec un hétéro-atome ou un groupe contenant des hétéro-atomes de la macromolécule réagissant avec des métaux ou des groupes contenant des atomes métalliques de polymères contenant des atomes métalliques exclusivement à l'une ou aux deux extrémités du squelette
C08F 236/04 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone conjuguées
C08L 9/00 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures à diènes conjugués
The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of isobutene and optionally further monomers in the presence of an initiator system prepared by continuously contacting at least one boron or aluminium compound and at least one initiator.
It is provided an inspection apparatus (10) for visual inspecting elastic particles comprising a conveyor belt (12) for feeding a plurality of particles, particularly in mainly horizontal direction, a fall channel (14) for letting the particles fall downwards due to gravity, wherein the fall channel (14) is arranged downstream the conveyor belt (12), and at least one flap (16) for stopping a horizontal portion of the movement of the particles leaving the conveyor belt (12), wherein the at least one flap (16) is arranged downstream the conveyor belt (12), wherein the flap (16) is resilient in horizontal direction for dissipating at least a part, particularly a majority, of the kinetic energy of the particle aligned in horizontal direction. Due to the resilient flaps (16) a horizontal rebounding of the elastic particles is reduced, so that a sorting out of unwanted particles out of a plurality of elastic particles during a visual inspection with a good accuracy is enabled.
The invention relates to a reactor and to a method for continuous polymerisation, in which said reactor for the continuous production of polymers, particularly synthetic rubbers, contains at least one substantially tubular reactor housing (4), wherein said reactor housing (4) has a drive shaft (30) that is connected to at least one agitator (38) arranged such that it can rotate inside the reactor housing (4), and the agitator contains at least one, and preferably two, three or four helical mixing elements (24) which are designed to be preferably close to the wall or to come into contact with the wall.
The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of a liquid medium comprising the monomer(s) and ethane or carbon dioxide that is substantially dissolved therein.
The invention relates to an extruder system for degassing a mixture (5), comprising a first extruder (1), a second extruder (2) arranged downstream of the first extruder (1) and a transfer zone (6) formed between these extruders, characterised by a pressure regulating device which can regulate the pressure at the outlet of the first extruder (1).
B29B 7/74 - MélangeMalaxage utilisant d'autres mélangeurs ou des combinaisons de mélangeurs différents
B29B 7/80 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
B29B 7/42 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec un seul arbre à vis ou à vis sans fin
B29B 7/48 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p. ex. à vis qui s'engrènent
98.
INSPECTION APPARATUS AND METHOD FOR VISUAL INSPECTING ELASTIC PARTICLES
It is provided an inspection apparatus (10) for visual inspecting elastic particles comprising a conveyor belt (12) for feeding a plurality of particles, particularly in mainly horizontal direction, a fall channel (14) for letting the particles fall downwards due to gravity, wherein the fall channel (14) is arranged downstream the conveyor belt (12), and at least one flap (16) for stopping a horizontal portion of the movement of the particles leaving the conveyor belt (12), wherein the at least one flap (16) is arranged downstream the conveyor belt (12), wherein the flap (16) is resilient in horizontal direction for dissipating at least a part, particularly a majority, of the kinetic energy of the particle aligned in horizontal direction. Due to the resilient flaps (16) a horizontal rebounding of the elastic particles is reduced, so that a sorting out of unwanted particles out of a plurality of elastic particles during a visual inspection with a good accuracy is enabled.
The invention relates to a reactor and to a method for continuous polymerisation, in which said reactor for the continuous production of polymers, particularly synthetic rubbers, contains at least one substantially tubular reactor housing (4), wherein said reactor housing (4) has a drive shaft (30) that is connected to at least one agitator (38) arranged such that it can rotate inside the reactor housing (4), and the agitator contains at least one, and preferably two, three or four helical mixing elements (24) which are designed to be preferably close to the wall or to come into contact with the wall.
The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of a liquid medium comprising the monomer(s) and ethane or carbon dioxide that is substantially dissolved therein.
