The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant composition comprising these polymeric-inorganic nanoparticle composition, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve extreme pressure performance on metal parts.
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C08F 292/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des substances inorganiques
C10M 171/06 - Particules de forme ou de dimensions particulières
3.
POLYMERIC-INORGANIC NANOPARTICLE COMPOSITIONS, MANUFACTURING PROCESS THEREOF AND THEIR USE AS LUBRICANT ADDITIVES
The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant compositions comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve extreme pressure performance and friction reduction on metal parts.
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C10M 171/06 - Particules de forme ou de dimensions particulières
C08F 292/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des substances inorganiques
C08F 290/04 - Polymères prévus par les sous-classes ou
C08L 55/00 - Compositions contenant des homopolymères ou des copolymères obtenus par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone, non prévues dans les groupes
4.
POLYMERIC-INORGANIC NANOPARTICLE COMPOSITIONS, MANUFACTURING PROCESS THEREOF AND THEIR USE AS LUBRICANT ADDITIVES
The inventionrelates to polymeric-inorganic nanoparticlecompositionsand preparation processes thereof. The invention also relates to an additive andlubricant composition comprising these polymeric-inorganic nanoparticlecompositions, as well as to the use of these polymeric-inorganic nanoparticlecompositionsin an oil lubricant formulation to improve tribological performance, in particular to improve anti-friction performance on metal parts.
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C10M 171/06 - Particules de forme ou de dimensions particulières
C08F 292/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des substances inorganiques
C08F 290/04 - Polymères prévus par les sous-classes ou
The present invention is directed to selected comb polymers comprising specified amounts of macromonomer and imide functionalization, their preparation, lubricant compositions comprising such comb polymers and their use for reducing wear and fuel consumption of lubricant compositions, especially of engine oil (EO) compositions.
C10M 149/06 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un groupe amide ou imide
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10M 149/04 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un groupe amine
The present invention is directed to selected comb polymers comprising specifiedamounts of macromonomer and nitrogen-containing (meth)acrylates, their preparation, lubricant compositions comprising such comb polymers and their use as solubilizersinlubricant compositions, especially inengine oil (EO) compositions.
C10M 149/04 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un groupe amine
C10M 149/06 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un groupe amide ou imide
7.
USE OF POLYESTERS AS VISCOSITY INDEX IMPROVERS FOR AIRCRAFT HYDRAULIC FLUIDS
The invention is related to a composition for use in hydraulic systems of an aircraft. The composition typically comprises an adipic acid-based polyester in a phosphate ester base stock substantially consisting of trialkyl phosphates.
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10M 111/04 - Compositions lubrifiantes caractérisées en ce que le matériau de base est un mélange d'au moins deux composés couverts par plus d'un des groupes principaux , chacun de ces composés étant un composé essentiel l'un d'eux, au moins, étant un composé organique macromoléculaire
8.
LUBRICANT COMPOSITION WITH AN IMPROVED VISCOSITY CHARACTERISTIC AT LOW OPERATING TEMPERATURE
The invention relates to a lubricant composition comprising a comb polymer and a synthetic base oil. The lubricant composition has improved viscosity characteristics at low operating temperatures. The invention also relates to the use of a comb polymer for producing a lubricant having an R-factor of less than or equal to 8, wherein the R-factor is defined as the ratio of the kinematic viscosity at -20°C and the kinematic viscosity at +20°C.
C10M 107/28 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate
C10M 169/04 - Mélanges de matériaux de base et d'additifs
9.
COMB POLYMERS FOR IMPROVING NOACK EVAPORATION LOSS OF ENGINE OIL FORMULATIONS
The present invention is directed to selected comb polymers comprising specified amounts of macromonomer and alkyl acrylates, their preparation, lubricant compositions comprising such comb polymers and their use for reducing Noack evaporation losses of lubricant compositions, especially of engine oil compositions.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 290/04 - Polymères prévus par les sous-classes ou
10.
FUNCTIONAL POLYALKYL (METH)ACRYLATES WITH ENHANCED DEMULSIBILITY PERFORMANCE
The present invention is directed to new polyalkyl(meth)acrylate (PAMA) polymers comprising a certain amount of hydroxyl-functionalized alkyl (meth)acrylates, lubricating oil compositions comprising these polymers and their use for improving the demulsibility performance of high VI lubricating oil compositions which are based on apolar base oils, especially hydraulic fluid compositions.
C08G 61/04 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques
C10M 169/04 - Mélanges de matériaux de base et d'additifs
The invention relates to a process for the preparation of ceramic coatings on an electrically conductive substrates. With the inventive method, the resulting coated substrates show very good tribological properties in terms of friction and wear resistance.
The invention relates to polymeric-inorganic nanoparticles and preparation processes thereof. The invention also relates to a powder, concentrate and lubricating composition comprising these polymeric-inorganic nanoparticles, to a method of dispersing nanoparticles in lubricating oil, as well as the use of these polymeric-inorganic particles in an oil lubricant formulation to reduce pour point, friction and wear.
The present invention relates to lubricant compositions comprising polyolefin polymers, and to the use of these lubricant compositions as an automatic transmission fluid, a continuously variable transmission fluid, an engine oil, a gear oil, or a hydraulic oil.
C10M 143/16 - Compositions lubrifiantes caractérisées en ce que l'additif est un hydrocarbure macromoléculaire ou un tel hydrocarbure modifié par oxydation contenant un monomère cycloaliphatique
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10M 177/00 - Méthodes particulières de préparation des compositions lubrifiantesModification chimique par post-traitement des constituants ou de la composition lubrifiante elle-même, non couverte par d'autres classes
C10M 107/10 - Polymères d'hydrocarburesPolymères d'hydrocarbures modifiés par oxydation contenant un monomère aliphatique comportant plus de 4 atomes de carbone
C10M 143/08 - Compositions lubrifiantes caractérisées en ce que l'additif est un hydrocarbure macromoléculaire ou un tel hydrocarbure modifié par oxydation contenant un monomère aliphatique comportant plus de 4 atomes de carbone
C10M 143/10 - Compositions lubrifiantes caractérisées en ce que l'additif est un hydrocarbure macromoléculaire ou un tel hydrocarbure modifié par oxydation contenant un monomère aromatique, p. ex. styrène
C08L 23/18 - Homopolymères ou copolymères d'hydrocarbures contenant au moins quatre atomes de carbone
C08L 23/24 - Homopolymères ou copolymères d'hydrocarbures contenant au moins quatre atomes de carbone contenant au moins dix atomes de carbone
C08G 61/08 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques préparés par ouverture du cycle des composés carbocycliques des composés carbocycliques contenant une ou plusieurs doubles liaisons carbone-carbone dans le cycle
The present invention relates to copolymers, to a method for the preparation of these copolymers, to the use of these copolymers for reducing wear in a lubricant composition, to lubricant compositions comprising these copolymers, and to the use of these lubricant compositions as an automatic transmission fluid, a continuously variable transmission fluid, an engine oil, a gear oil, or a hydraulic oil.
C10M 145/12 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate monocarboxyliques
C08G 61/04 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10M 107/28 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate
C10N 30/02 - Point d'écoulementIndice de viscosité
C10N 30/04 - Propriétés détergentes ou dispersantes
C10N 30/06 - OnctuositéRésistance du filmAnti-usureRésistance aux pressions extrêmes
C10N 40/04 - Bains d'huileBoîtes de vitessesTransmissions automatiquesMécanismes de traction
C10N 40/08 - Fluides hydrauliques, p. ex. fluides pour freins
The present application is directed to a graft copolymer comprising in the backbone at least one segment having repeating units obtainable by ring-opening metathesis polymerization (ROMP) of an optionally substituted cycloalkene and at least one segment comprising repeating units obtainable by atom transfer radical polymerization (ATRP) of a (meth)acrylate. The corresponding graft copolymer is highly suitable for use as an oil additive in internal combustion engines, in particular, in combustion engines which are operated for longer periods of time at substantially constant operating temperatures.
C08F 283/14 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères prévus par la sous-classe sur des polymères obtenus par polymérisation avec ouverture du cycle de composés carbocycliques contenant une ou plusieurs liaisons doubles carbone-carbone dans le carbocycle, p. ex. les polyalcèneamères
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
C08G 61/08 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques préparés par ouverture du cycle des composés carbocycliques des composés carbocycliques contenant une ou plusieurs doubles liaisons carbone-carbone dans le cycle
The invention relates to a process for the preparation of hydroxylated polyolefins by living anionic polymerization of olefin monomers and subsequent functionalization with hydroxyl groups. With the inventive method, a high degree of functionalization can be achieved.
The present invention relates to a lubricating oil composition comprising polyglycerol partial esters of polyfunctional carboxylic acids and saturated or unsaturated, linear or branched fatty acids and/or poly(hydroxystearic acid) and the use thereof to lubricate an engine and reduce friction.
C10M 105/42 - Esters complexes, c.-à-d. composés contenant au moins 3 groupes carboxyle estérifiés et dérivés de la combinaison d'au moins trois types différents des cinq types de composés suivants: composés monohydroxylés, composés polyhydroxylés, acides monocarboxyliques, acides polycarboxyliques et acides hydroxycarboxyliques
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10M 129/78 - Esters complexes, c.-à-d. composés contenant au moins 3 groupes carboxyle estérifiés et dérivés de la combinaison d'au moins trois types différents des cinq types de composés suivants: composés monohydroxylés, composés polyhydroxylés, acides monocarboxyliques, acides polycarboxyliques, acides hydrocarboxyliques
18.
METHOD FOR THE PREPARATION OF COPOLYMERS OF ALKYL METHACRYLATES AND MALEIC ANHYDRIDE
The present invention relates to a method for the preparation of a sulfur-free copolymer comprising at least one alkyl methacrylate and maleic anhydride having a number average molecular weight of 3000 to 9000 g/mol by solution polymerization in the presence of a radical initiator.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention relates to a method for the preparation of a copolymer comprising at least one alkyl methacrylate and maleic anhydride having a number average molecular weight of 4000 to 18000 g/mol by solution polymerization in the presence of a radical initiator.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention relates to the use of hydraulic fluids in plastic injection molding processes. Thereby it was surprisingly found that the use of hydraulic fluids with the right combination of physical parameters like the viscosity grade, the viscosity index, the density and the dispersancy allows for significant energy savings in plastic injection molding processes (PIM). The PIM process is an industrial process to manufacture plastic parts at well controlled temperatures, pressures and cycle times. The energy consumption of the process became more important over the last years, however, other parameters like process stability and accuracy of plastic part parameters as well as machine protection and long oil drain intervals have to be satisfying.
C10M 149/06 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un groupe amide ou imide
C10M 119/12 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate
The present invention relates to compositions comprising components AA which are obtainable by hydrosilylation reaction of organomodified siloxanes bearing Si-H- groups and/or terminally unsaturated organic groups, a preparation process thereof and use thereof as lubricants.
C08L 83/14 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du silicium, avec ou sans soufre, azote, oxygène ou carboneCompositions contenant des dérivés de tels polymères dans lesquels au moins deux atomes de silicium, mais pas la totalité sont liés autrement que par des atomes d'oxygène
C08G 77/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du silicium, avec ou sans soufre, azote, oxygène ou carbone
C10N 30/02 - Point d'écoulementIndice de viscosité
C10N 30/06 - OnctuositéRésistance du filmAnti-usureRésistance aux pressions extrêmes
C10N 40/04 - Bains d'huileBoîtes de vitessesTransmissions automatiquesMécanismes de traction
C10N 40/08 - Fluides hydrauliques, p. ex. fluides pour freins
The present invention relates to compositions for use as lubricating oil additives. The additive compositions comprise a mixture of alkyl (meth)acrylate copolymers, having distinct monomeric compositions. The additive compositions disclosed herein can be used to improve the low-temperature pumpability of aged lubricating oil, particularly diesel engine oil aged in the presence of biodiesel.
The invention concerns a method of increasing the dynamic coefficient of friction in an oil-lubricated friction clutch by using a lubricating oil containing at least one specific copolymer, the presence of which develops higher dynamic friction levels in the clutch.
C10M 145/16 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate polycarboxyliques
C10N 30/06 - OnctuositéRésistance du filmAnti-usureRésistance aux pressions extrêmes
C10N 40/04 - Bains d'huileBoîtes de vitessesTransmissions automatiquesMécanismes de traction
24.
HYDROGENATION OF LOW MOLECULAR WEIGHT UNSATURATED POLYMERS
The invention relates to a process for producing a polymer composition by hydrogenating an unsaturated polymer, comprising the reaction of an unsaturated polymer with hydrogen in the presence of a supported metal catalyst. The invention additionally relates to a polymer composition produced by the process according to the invention, and also to the use of a polymer composition for producing comb polymers.
B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
C08G 81/02 - Composés macromoléculaires obtenus par l'interréaction de polymères en l'absence de monomères, p. ex. polymères séquencés au moins un des polymères étant obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carbone
The present invention relates to a transmission oil formulation comprising a base oil and a copolymer obtained by radical polymerization from a monomer composition.taineThe invention also relates to the use of the transmission oil formulation as transmission oil for reducing fuel consumption by vehicles.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 290/04 - Polymères prévus par les sous-classes ou
C10M 119/10 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical acyloxy d'un acide carboxylique saturé ou de l'acide carbonique
26.
COLD FLOW IMPROVER WITH BROAD APPLICABILITY IN MINERAL DIESEL, BIODIESEL AND BLENDS THEREOF
The present application relates to compositions comprising at least one polyalkyl(meth)acrylate polymer, a graft copolymer comprising a copolymer based on ethylene as graft base and one or more polyalkyl(meth)acrylate polymer(s) grafted thereon, and at least one non-grafted ethylene-based copolymer, as well as to the use of such compositions to improve the performance, especially the cold flow properties and injector nozzle coking tendency of middle distillates, especially diesel fuels, biodiesel and blends thereof.
C08L 33/00 - Compositions contenant des homopolymères ou des copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et un seul étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesCompositions contenant des dérivés de tels polymères
C08L 33/04 - Homopolymères ou copolymères des esters
C08L 33/10 - Homopolymères ou copolymères des esters de l'acide méthacrylique
C08L 1/00 - Compositions contenant de la cellulose, de la cellulose modifiée ou des dérivés de la cellulose
C08L 51/08 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
27.
HEAT TRANSFER-FLUID WITH ELECTRICAL INSULATING PROPERTIES
The present invention relates to the use of a liquid composition as heat transfer fluid, characterized in that the liquid composition comprises polymers derived from at least an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers. Preferably, the liquid composition is used as a heat transfer fluid for electrical equipment.
C08L 33/00 - Compositions contenant des homopolymères ou des copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et un seul étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesCompositions contenant des dérivés de tels polymères
F28F 13/00 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution
The present invention relates to a method for preparing a polymer composition, said method comprising the steps of: a) preparing a reaction mixture comprising as component A) an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers and as component B) a 1-alkene or a mixture of 1-alkenes; b) adding a Co(ll) complex as a catalytic chain transfer agent to the reaction mixture; c) adding a radical initiator; and d) reacting the reaction mixture to obtain the polymer composition, wherein the total amount of the radical initiator added to the reaction mixture is at least 0.05% by weight relative to the total weight of components A) and B). The present invention also relates to the use of a Co(ll) complex as catalytic chain transfer agent for the polymerization of a reaction mixture comprising an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers, a radical initiator, and a 1-alkene or a mixture of 1-alkenes, wherein the total amount of the radical initiator added to the reaction mixture is at least 0.05% by weight relative to the total weight of the ethylenically unsaturated monomer or mixture of ethylenically unsaturated monomers and the 1-alkene or mixture of 1-alkenes.
C08F 20/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 10/14 - Monomères contenant au moins cinq atomes de carbone
C10M 107/10 - Polymères d'hydrocarburesPolymères d'hydrocarbures modifiés par oxydation contenant un monomère aliphatique comportant plus de 4 atomes de carbone
C08L 23/24 - Homopolymères ou copolymères d'hydrocarbures contenant au moins quatre atomes de carbone contenant au moins dix atomes de carbone
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
The present invention relates to a method for the preparation of low-viscosity polymers suitable as base fluids for lubricants. The method comprises polymerizing specific (meth)acrylic acid esters in the presence of a cobalt catalytic chain transfer agent.
C08F 20/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
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
The present invention relates to a process for preparing polybutadiene, wherein butadiene is anionically polymerized in a tube reactor having an interfacial area of at least 200 m²/m³ using a solvent mixture comprising at least one nonpolar solvent and at least one polar solvent, where the polybutadiene obtained has a weight average molecular weight Mw in the range from 1000 to 20 000 g/mol and a polydispersity index PDI of less than or equal to 1.5.
The present invention describes a composition comprising: (A) at least one polyalkyl (meth) acrylate polymer having a number average molecular weight Mn of from 15000 to 75000 g/mol; (B) at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth) acrylate having 1 to 30 carbon atoms in the alkyl residue; (C) a phenolic type antioxidant; (D) a mixture stabilizer; and (E) a glycol ether solvent. The composition is useful as cold flow improver and oxidation stabilizer in vegetable oils and animal fats.
The present invention relates to the use of polyalkyl(meth)acrylates as an additive to fuels, especially middle distillate fuels and blends thereof. The present invention further relates to the use of a composition comprising polyalkyl(meth)acrylates as dispersing species susceptible to disperse waxes and sludgy material at low temperatures and a hydrocarbon solvent/an oil for improving the cold flow properties of fuel oil and fuel oil compositions. The present invention further relates to the use of these compositions as an additive to fuels, especially in the function of paraffin dispersant, to such fuels themselves and to fuel additive concentrates which comprise this composition dissolved in a hydrocarbon solvent or an oil.
C10L 10/14 - Utilisation d'additifs à des fins particulières dans les combustibles ou les feux pour améliorer les propriétés à basse température
C10L 1/196 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone dérivés de monomères contenant une liaison insaturée carbone-carbone et un groupe carboxyle ou leurs sels, leurs anhydrides ou leurs esters
C10L 1/236 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
33.
METHOD FOR REDUCING THE HALOGEN CONTENT OF A POLYMER
The invention relates to a method for reducing the halogen content of a polymer, characterized in that the polymer is reacted with a polymerization inhibitor; and especially to a method wherein said polymer is a polymerization product of an ATRP process.
The present invention relates to a lubricant composition comprising at least one polyalkyl (meth)acrylate, comprising repeating units derived from (meth)acrylates having 6 to 22 carbon atoms in the alcohol residue, the polyalkyl (meth)acrylate comprising repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom. The present invention further describes a polyalkyl (meth)acrylate which is suitable for a lubricant composition of this kind, and also describes the use of a polyalkyl (meth)acrylate having repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom, for the purpose of reducing friction.
The invention relates to the additivation of thermoplastics, in particular polyvinyl chloride (PVC), using a novel single-component additive. The thus achieved improvement of the lubricating properties leads to a delayed melting of the thermoplasts during the extrusion process and thus to an advantageous fluidity and a reduction of the required processing pressure. Furthermore, the improved lubricating effect facilitates the processing in shaping machines in that a lower metal adhesion is produced. According to the invention, a novel poly(meth)acrylate-based additive for thermoplastics, in particular for PVC, is provided in order to improve said technical aspects. The additive is characterized by a poly(meth)acrylate backbone and long alkyl side-chains.
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
C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
36.
FRICTION-IMPROVED POLYMERS FOR DLC-COATED SURFACES
The invention relates to a component comprising at least two elements, which can be moved relative to one another and between the surfaces of which a film formed by a lubricating oil composition is provided, wherein at least a portion of the surface of at least one of the movable elements is formed by a diamond-like carbon layer (DLC layer) and the lubricating oil composition contains at least one polymer that comprises repeating units derived from amine derivatives of at least one polar ethylenically unsaturated monomer.
The present invention describes a composition comprising at least one antioxidant and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver and oxidation stabilizer in fossil fuel oil and or biodiesel fuel oil.
The present invention describes copolymers which comprise ester groups and have at least one nonpolar segment P and at least one polar segment D, where the polar segment D has at least 8 repeat units and the proportion by weight of dispersing repeat units in the polar segment D is at least 30%, based on the weight of the polar segment D, the copolymer comprising ester groups being obtainable by NMP (nitroxide-mediated polymerization). The invention further describes lubricant oils with improved friction properties, comprising the copolymers mentioned.
The invention relates to a lubricant to be used in a method for reducing the paraffin content in mineral oil compositions. According to the invention, a mineral oil composition is provided with a dewaxing aid, is cooled such that a paraffin deposit is formed, and at least some of the obtained paraffin deposit is removed. A copolymer mixture comprising at least three copolymers is used as a dewaxing aid, said copolymers differing in the composition of the repeat units.
C10G 73/04 - Obtention des cires de pétrole à partir des huiles d'hydrocarburesDéparaffinage d'huiles d'hydrocarbures avec emploi d'adjuvants de filtration
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C10G 73/06 - Obtention des cires de pétrole à partir des huiles d'hydrocarburesDéparaffinage d'huiles d'hydrocarbures avec emploi de solvants
The present invention describes a lubricant composition comprising a viscosity index improver comprising at least one ester group containing polymer, a base oil and a naphthenic oil having a low viscosity.
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10N 30/02 - Point d'écoulementIndice de viscosité
The present invention describes a viscosity index improver comprising a polyalkyl(meth)acrylate polymer having a polydispersity Mw/Mn in the range of 1.05 to 2.0. In addition thereto, the present invention discloses a lubricant comprising the viscosity index improver of the present invention.
C08F 20/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention describes a motor designed for biodiesel compatibility comprising a particulate filter, a motor control unit being able to inject fuel to the engine in order to increase the exhaust temperature, and a lubricant composition, characterized in that the lubricant composition comprises at least one ester group containing polymer.
The present invention describes a motor designed for Fuel compatibility comprising a lubricant composition comprises at least one ester group containing polymer having a high polarity.
C10M 149/02 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C10M 149/10 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un hétérocycle contenant de l'azote
The present invention relates to a process for producing a dispersion comprising at least one carrier medium, at least one emulsifier and at least one polymer based on polyolefins, by dispersing a heterogeneous composition using a mixer which works by the rotor-stator principle. The present invention additionally describes a polymer dispersion obtainable by the process.
C08J 3/02 - Production de solutions, dispersions, latex ou gel par d'autres procédés que ceux utilisant les techniques de polymérisation en solution, en émulsion ou en suspension
C08L 23/16 - Copolymères de l’éthylène et du propylène ou de l’éthylène, du propylène et de diène
C08L 33/00 - Compositions contenant des homopolymères ou des copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et un seul étant terminé par un seul radical carboxyle, ou ses sels, anhydrides, esters, amides, imides ou nitrilesCompositions contenant des dérivés de tels polymères
C10M 169/00 - Compositions lubrifiantes caractérisées en ce qu'elles contiennent comme constituants un mélange d'au moins deux types d'ingrédients, couverts par les groupes précédents, choisis parmi les matériaux de base, les épaississants ou les additifs, chacun de ces composés étant un composé essentiel
45.
POLYALKYL (METH) ACRYLATE FOR IMPROVING LUBRICATING OIL PROPERTIES
The invention relates to a polyalkyl (meth) acrylate for improving lubricating oil properties, which comprises repetition units which are derived from (meth) acrylates having 6 to 22 carbon atoms in the alcohol residues, and repetition units which are derived from amine derivatives of an ethylenically unsaturated monomer. The invention further relates to methods for producing and using the present polyalkyl (meth) acrylate.
C10M 149/02 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C10M 149/06 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un groupe amide ou imide
The present invention describes a polymer useful as viscosity index improver comprising units derived from one or more ethylenically unsaturated ester compounds of formula (I), where R is hydrogen or methyl, R1 means a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula -COOR', where R' means hydrogen or a alkyl group with 1-6 carbon atoms, units of one or more ethylenically unsaturated ester compounds of formula (II), where R is hydrogen or methyl, R4 means a 2-alkyl branched alkyl residue with 12-18 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula - COOR' ', where R' ' means hydrogen or an alkyl group with 12- 18 carbon atoms, and units of one or more ethylenically unsaturated ester compounds of formula (III), where R is hydrogen or methyl, R7 means a linear alkyl residue with 12-24 carbon atoms, R8 and R9 independently are hydrogen or a group of the formula -COOR' ', where R' ' means hydrogen or an alkyl group with 12-24 carbon atoms wherein said polymer comprises at least 10 % by weight units derived from one or more ethylenically unsaturated ester compounds of formula (I), based on the total weight of the polymer, said polymer comprises at least 10 % by weight units derived from one or more ethylenically unsaturated ester compounds of formula (II), based on the total weight of the polymer, and said polymer comprises at least 10 % by weight units derived from one or more ethylenically unsaturated ester compounds of formula (III), based on the total weight of the polymer.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention relates to a transmission lubricant comprising at least 30% by weight of polyalkyl (meth)acrylate. The present invention further describes polyalkyl (meth)acrylates for use in lubricants and also processes for preparing them and their use. The present lubricants can be used particularly in wind turbine transmissions.
C10M 107/28 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention describes a fuel oil composition comprising at least one biodiesel oil and at least one additive for improving the filterability. In addition thereto, the present invention discloses a method for improving the filterability of a fuel oil comprising a biodiesel and a use of a polyalkyl (meth) acrylate polymer to improve the filterability of a fuel oil comprising a biodiesel.
C10L 1/196 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone dérivés de monomères contenant une liaison insaturée carbone-carbone et un groupe carboxyle ou leurs sels, leurs anhydrides ou leurs esters
The invention relates to a (meth)acrylate polymer for improving the viscosity index, which comprises a) from 5 to 60 wt% of repeating units that are derived from (meth)acrylates of formula (I), where R represents hydrogen or methyl and R1 is an alkyl radical having from 1 to 6 carbon atoms, b) from 5 to 80 wt% of repeating units that are derived from (meth)acrylates of formula (II), where R is hydrogen or methyl and R2 is an alkyl radical having from 7 to 30 carbon atoms, and c) from 15 to 90 wt% of repeating units that are derived from (meth)acrylates of formula (III), where R is hydrogen or methyl, n is an integer in the range of 2 to 500 and A is C2-C4 alkylene and R3 is a hydrogen atom or an alkyl radical having from 1 to 4 carbon atoms. The invention further relates to novel lubricating oil compositions, to a method for producing the above-mentioned (meth)acrylate polymers and to the use thereof for improving the viscosity index of lubricating oil compositions that comprise at least one polar base oil.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 220/28 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle ne contenant pas de cycles aromatiques dans la partie alcool
C10M 145/10 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate
50.
A COMPOSITION TO IMPROVE COLD FLOW PROPERTIES OF FUEL OILS
The present invention describes a composition comprising at least one polyalkyl(meth)acrylate polymer having a number average molecular weight Mn of from 1000 to 10000 g/mol and a polydispersity Mw/Mn of from 1 to 8 and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver in fossil fuel oil and or biodiesel fuel oil.
A lubricant which contains an ester oil and a polyalkyl(meth)acrylate copolymer having in copolymerized form a C1-C4 alkyl(meth)acrylate, and a C4-C4000 alkyl(meth)acrylate exhibits an improved Viscosity Index compared to a lubricant having no ester oil.
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C10M 169/04 - Mélanges de matériaux de base et d'additifs
C10N 20/04 - Poids moléculaireRépartition du poids moléculaire
C10N 30/02 - Point d'écoulementIndice de viscosité
The invention relates to the use of comb polymers comprising repeating units in the main chain which repeating units are derived from polyolefin-based macromonomers having a molecular weight of at least 500 g/mol, and repeating units which are derived from low-molecular monomers having a molecular weight of less than 500 g/mol as antifatigue additives in lubricants. The invention further relates to novel comb polymers and methods for the production thereof and to lubricating oils comprising said comb polymers.
The invention relates to the use of comb polymers comprising repeats in the main chain which repeats are derived from polyolefin-based macromonomers having a molecular weight of at least 500 g/mol, and repeats which are derived from low-molecular monomers having a molecular weight of less than 500 g/mol for improving the scuffing load capacity in hydraulic fluids. The invention further relates to novel hydraulic fluids.
The present invention relates to a fuel composition comprising at least one biodiesel fuel, containing 0.05 to 5 wt % of a polymer having at least one ester group, comprising recurrent units that are derived from ester monomers having 16 to 40 carbon atoms in the alcohol group and recurrent units that are derived from ester monomers having 7 to 15 carbon atoms in the alcohol group. The polymer comprising ester groups has a weight average of the molecular weight in the range of 5000 to 100000 g/mol. Furthermore, the present invention relates to the use of polymers comprising ester groups as flow enhancer in fuel compositions comprising at least one biodiesel fuel. Surprising advantages can be achieved in particular with respect to the improvement of the cloud point and the low temperature storage properties.
Noise generation in a hydraulic system is reduced by contacting a hydraulic fluid comprising a polyalkyl(meth)acrylate polymer with a hydraulic system.
The present invention relates to the use of ester group-including polymers having at least one nonpolar segment P and at least one polar segment D, where the polar segment D includes at least 8 repeating units, and the proportion of dispersing repeating units in the polar segment D is at least 30% by weight based on the weight of the polar segment D, as antifatigue additive in lubricants.
C10M 149/10 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un hétérocycle contenant de l'azote
The present invention relates to the use of comb polymers comprising, in the main chain, repeat units derived from polyolefin-based macromonomers, and repeat units derived from low molecular weight monomers selected from the group consisting of styrene monomers having from 8 to 17 carbon atoms, alkyl (meth)acrylates having from 1 to 10 carbon atoms in the alcohol group, vinyl esters having from 1 to 11 carbon atoms in the acyl group, vinyl ethers having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl fumarates having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl maleates having from 1 to 10 carbon atoms in the alcohol group, and mixtures of these monomers, where the molar degree of branching is in the range from 0.1 to 10 mol% and the comb polymer comprises a total of at least 80% by weight, based on the weight of the repeat units, of repeat units derived from polyolefin-based macromonomers, and repeat units derived from low molecular weight monomers selected from the group consisting of styrene monomers having from 8 to 17 carbon atoms, alkyl (meth)acrylates having from 1 to 10 carbon atoms in the alcohol group, vinyl esters having from 1 to 11 carbon atoms in the acyl group, vinyl ethers having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl fumarates having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl maleates having from 1 to 10 carbon atoms in the alcohol group, and mixtures of these monomers, for reducing the fuel consumption of vehicles.
C08F 290/04 - Polymères prévus par les sous-classes ou
C10M 143/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un hydrocarbure macromoléculaire ou un tel hydrocarbure modifié par oxydation
The present invention concerns a process for preparing continuously variable composition copolymers comprising: (a) providing a reaction vessel comprising a first monomer composition; (b) providing a feed vessel comprising a second monomer composition; (c) initiating a polymerization reaction in said reaction vessel; (d) continuing the polymerization reaction during the gradual addition of said second monomer composition from said feed vessel to said reaction vessel wherein the gradual addition of the second monomer composition is performed such that continuously variable composition copolymers are achieved; (e) maintaining said polymerization until at least 90 % of the total monomer composition has been converted to a copolymer; wherein said copolymer has a weight average molecular weight from 10,000 to 1,000,000; said copolymer is soluble in lubricating oil, characterized in that the monomers provided in the reaction vessel by said first monomer composition composes at least 50 % by weight of all the monomers used to prepare said copolymer.
A system, model and method for commercializing a consumable product used in capital equipment by selling the consumable product in a first sale directly to a builder of capital equipment integrally with the sale of the capital equipment at a first price then making a second sale of the consumable product through a different sales path at a second price to a purchaser and/or operator of the capital equipment such that the second sale at the second price is sufficient to cover the development costs of the consumable product and generate a profit for a supplier of the consumable product.
The present invention describes use of a fluid having a VI of at least 130 to improve the power output of a hydraulic system. Preferentially, engine speed can be maintained at the same rate selected while using the standard HM oil, and deliver ᡶ3% higher hydraulic power output.
The present invention relates to polymer dispersions comprising A) at least one dispersed polyolefin, B) at least one dispersion component, C) mineral oil and D) at least one glyceryl ester derived from an unsaturated carboxylic acid having from 8 to 30 carbon atoms. The inventive polymer dispersions are notable for very good low-temperature performance. In addition, the polymer dispersions can be prepared in a particularly energy-saving manner. The present invention further relates to processes for the preparation of and to the use of these polymer dispersions.
C08L 23/00 - 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
C10M 107/00 - Compositions lubrifiantes caractérisées en ce que le matériau de base est un composé macromoléculaire
63.
IMPROVEMENT IN QUALITY CONTROL OF A FUNCTIONAL FLUID
The present invention describes use of use of a metal compound to control the quality of a functional fluid. Additionally, the present invention concerns a method for controlling the quality of a functional fluid comprising the steps of: adding a metal compound to a component of a lubricant; mixing the component with a base oil; measuring the concentration of the metal compound in the functional fluid; and comparing the expected concentration of the metal compound with the measured concentration.
C10M 129/38 - Acides carboxyliquesLeurs sels comportant des groupes carboxyle liés à des atomes de carbone acycliques ou cycloaliphatiques comportant au moins 8 atomes de carbone
C10M 161/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé non macromoléculaire, chacun de ces composés étant un composé essentiel
C10M 165/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un mélange d'un composé macromoléculaire et d'un composé de constitution indéterminée ou incomplètement déterminée, chacun de ces composés étant un composé essentiel
The present invention concerns a method for the determination of the oxidative stability of a lubricating fluid, comprising the steps of: introducing a sample of the lubricating fluid under test in an reaction cell; introducing catalytic amounts of a catalyst to the reaction cell; heating the cell to the oxidation temperature of the lubricating fluid and maintaining this temperature; delivering oxygen containing gas at constant flow rate through the cell over the course of the reaction; delivering a gas comprising nitrogen dioxide at a constant flow rate through the cell for a specified time; applying and maintaining a specified vacuum on the reaction cell; allowing the mixture to react for a specified time; measuring the viscosity of the oxidized lubricating fluid. Additionally, the present invention describes an apparatus for the determination of the oxidative stability of a lubricating fluid.
The present invention relates to processes for preparing carboxylic acid derivatives, comprising the reaction of at least one carboxylic acid and/or of a carboxylic acid derivative with at least one alcohol and/or an amine in the presence of a metal-containing catalyst, wherein, after the reaction has ended, the metal-containing catalyst is contacted with water and a superabsorbent, the contacting of the catalyst with the water leading to hydrolysis of the catalyst. The present invention further relates to the use of superabsorbents for removing a metal-containing catalyst from a mixture after hydrolysis of the catalyst.
The present invention relates to motor fuel compositions comprising at least one diesel fuel of mineral origin and at least one biodiesel fuel, characterized in that the fuel composition contains at least 20% by weight of diesel fuel of mineral origin and 0.05% to 5% by weight of at least one polymer which comprises ester groups and contains repeating units that are derived from ester monomers having 16 to 40 carbon atoms in the alcohol radical, and repeating units that are derived from ester monomers having 7 to 15 carbon atoms in the alcohol radical. The present invention further describes the use of polymers comprising ester groups as flow improvers, and also a process for operating a diesel engine.
The present invention describes use of a fluid having a VI of at least 130 to improve the en- ergy efficiency of a hydraulic system. Furthermore, the present invention relates to a hy- draulic system comprising a hydraulic fluid having a VI of at least 130, a unit for creating mechanical power, a unit that converts mechanical power into hydraulic energy, and a unit that converts hydraulic energy into mechanical work. Preferentially, engine speed can be reduced to decrease load and stress while delivering the same amount of hydraulic power.
C10M 145/16 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone contenant des monomères comportant un radical insaturé lié à un radical carboxyle, p. ex. acrylate polycarboxyliques
F15B 21/06 - Utilisation de fluides particuliers, p. ex. de métal liquideAdaptations particulières des systèmes à pression de fluide, ou commande de leurs éléments, pour l'utilisation de tels fluides
The invention relates to a polymer comprising 50-100 % by weight, with regard to the weight of the polymers, of repeating units, which are derived from one or more ethylenically unsaturated ester compounds of formula (I), in which R represents hydrogen or methyl; R1 represents a linear or unbranched alkyl radical with 7 to 30 carbon atoms, and; R2 and R3 independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 7 to 30 carbon atoms. The polymer is a star polymer with 3 to 21 arms and at least 3 of the arms consist of at least 40 % by weight, with regard to the weight of the arms, of repeating units, which are derived from one or more ethylenically unsaturated ester compounds of formula (I), in which R1 represents a linear or unbranched alkyl radical with 7 to 30 carbon atoms, and; R2 and R3 independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 7 to 30 carbon atoms. The invention also relates to oil formulations comprising the inventive polymers. The inventive polymers having a high thickening action can be used, in particular, as viscosity modifiers, pour point depressants, dispersing agents and/or friction modifiers.
C08F 2/38 - Polymérisation utilisant des régulateurs, p. ex. des agents d'arrêt de chaîne
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
The invention relates to comb polymers which comprise, in the main chain, repeating units which are derived from polyolefin-based macromonomers, and repeating units which are derived from low molecular monomers which are selected from the group consisting of styrene monomers having 8 - 17 carbon atoms, alkyl(meth)acrylates having 1 - 10 carbon atoms in the alcohol group, vinyl esters having 1 - 11 carbon atoms in the acyl group, vinyl ethers having 1 - 10 carbon atoms in the alcohol group, (Di)alkylfumarates having 1 - 10 carbon atoms in the alcohol group, (Di)alkylmaleates having 1 - 10 carbon atoms in the alcohol group and mixtures of said monomers. The molar branching degree lies in the region between 0.1 - 10 mol. % and the comb polymer represents the sum of at least 80 wt. %, in relation to the weight of the repeating units, on repeating units which are derived from polyolefin-based macromonomers, and repeating units which are selected from low molecular monomers which are selected from the group consisting of styrene monomers having 8 - 17 carbon atoms, alkyl(meth)acrylates having 1 - 10 carbon atoms in the alcohol group, vinyl esters having 1 - 11 carbon atoms in the acyl group, vinyl ethers having 1 - 10 carbon atoms in the alcohol group, (Di)alkylfumarates having 1 - 10 carbon atoms in the alcohol group, (Di)alkylmaleates having 1 - 10 carbon atoms in the alcohol group, and mixtures of said monomers.
C08F 290/04 - Polymères prévus par les sous-classes ou
C08F 299/00 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemicals for use in the manufacture of a broad variety of goods; acrylic and methacrylic esters for the manufacture of polymers for the plastic, chemical, optic and paint industry; unprocessed artificial resins as raw materials in the form of powders, liquids or pastes, unprocessed plastics. Technology consulting in the field of acrylic and methacrylic esters; development and testing of acrylic and methacrylic monomers, oligomers and polymers for third parties; scientific research, namely, analysis, investigations, evaluation and assessment of acrylic and methacrylic esters; consultation services rendered by chemists and by experts in the field of acrylic and methacrylic esters; research for new products for others
