The present disclosure relates to the field of melamine formaldehyde (MF) resins, their preparation and application. In particular, the instant disclosure relates to a melamine formaldehyde (MF) resin formulation comprising a condensate of formaldehyde, melamine and a biocomponent comprising a nitrogen-containing aminoalkanoic acid having at least one nitrogen on the side chain. The instant disclosure further relates to a kit comprising said MF formulation and a condensing agent, to a method for preparing said MF resin as described herein, to an impregnated cellulosic material comprising said MF resin formulation, to a cellulosic laminate comprising the same, and to a method for preparing said impregnated cellulosic material and cellulosic laminate. Nitrogen-containing aminoalkanoic acids are biological components and their presence in an MF resin formulation as described herein contribute to increasing the content of biocomponents in MF resins making them more environmentally friendly. Additionally, it has been found that the final properties of products comprising cured MF resins as described herein are not detrimentally affected by the presence of a nitrogen-containing aminoalkanoic acid, to the contrary, a biocomponent as described herein has been found to also contribute provide MF resin formulations and products comprising the same with advantageous properties.
C08L 61/28 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés hétéro cycliques avec la mélamine
COMPOSITIONS, SYSTEMS AND MIXTURES FOR MANUFACTURING FLEXIBLE POLYFLAVONOID BASED FOAMS, METHOD FOR MANUFACTURING SAID FOAMS, AND FLEXIBLE FOAMS OBTAINED THEREOF
The present invention refers to a composition for manufacturing a flexible polyflavonoid based foam comprising at least one vegetable extract comprising polyflavonoids, at least one condensation agent selected from furfuryl alcohol, hexamine and a combination thereof, a surfactant mixture comprising at least one anionic surfactant and at least one non-ionic surfactant, optionally at least one oil, at least one dispersing agent comprising at least two hydroxy groups and water. System and mixture comprising said composition, at least one blowing agent and at least one catalyst. A method for manufacturing a flexible polyflavonoid based foam from said composition, system or mixture, and the flexible foam obtained thereof.
C08J 9/00 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement
C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
C08G 8/24 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes de formaldéhyde, p. ex. de formaldéhyde formé in situ avec des mélanges de plusieurs phénols qui ne sont pas couverts par un seul des groupes
C08G 8/34 - Polycondensats modifiés chimiquement par des résines naturelles ou des acides résiniques, p. ex. acide abiétique
A vegetable oil-based formulation which is an oil in water (O/W) emulsion comprising at least one refined vegetable oil with a flash point higher than 260ºC; at least one anionic surfactant, at least one non-ionic surfactant or a combination thereof; at least one rheological additive which is an ionic polysaccharide; and water; wherein the formulation has an active matter content of about 31 wt% and about 69 wt% and the rest of the formulation, until reaching 100 wt.%, is water; and wherein the viscosity of the formulation is of about 100 cP to about 1500 cP (25ºC, Viscosimeter Brookfield HV, 20 rpm). A method of manufacturing said formulation and uses thereof.
C09K 3/22 - Substances non couvertes ailleurs pour abattre la poussière ou pour l'absorber
C03C 25/255 - Huiles, cires, graisses ou leurs dérivés
E04B 1/76 - Isolation thermique ou acoustique, absorption ou réflexion de la chaleur ou du sonAutres méthodes de construction procurant des conditions thermiques ou acoustiques favorables, p. ex. par accumulation de chaleur à l'intérieur des murs spécifiquement relatives à la chaleur uniquement
4.
ADHESIVE COMPOSITIONS, AND THEIR USE FOR MANUFACTURING WOODBASED COMPOSITES, FIBREGLASS OR ROCK WOOL INSULATIONS, OR WOVEN OR NON-WOVEN FIBRE MATS FOR COMPRESSION MOLDING
The present invention refers to novel formaldehyde-free adhesive compositions comprising at least one polyflavonoid-based polymer adhesive, adhesive systems comprising, isolated one of another, an adhesive composition (component A) and at least one hardener agent (component B), as well as an adhesive mixture comprising both the adhesive composition and the at least one hardener agent. These adhesive compositions, systems and mixtures described in this document can be used for manufacturing wood composite boards such as wood fibreboards, particleboards, chipboards, oriented strand boards, plywood and paperboards, but also of fibreglass insulations or rock wool insulations, or woven or non-woven fibre mats for compression molding.
A method for deacidification of an aqueous solution by ion exchange, characterized in that the method comprises contacting a stream of a formaldehyde aqueous solution with a weakly basic anion exchange resin bed to obtain a deacidified aqueous solution stream. An installation for deacidification of an aqueous solution by said method.
The present invention refers to a new method for producing melamine-urea-formaldehyde resins, comprising as the first step a melamine methylolation step, method which improves the features of the resins obtained thereby: for example improved reactivity, Internal Bond, lower free formaldehyde content and higher storage stability. The obtained resins are useful as adhesives in the production of for example of fibreboards, particleboards and plywood, as well as in various types of insulations, such as fibreglass and rock wool insulations.
B27N 3/00 - Fabrication d'objets sensiblement plats, p. ex. panneaux, à partir de particules ou de fibres
B32B 21/00 - Produits stratifiés composés essentiellement de bois, p. ex. une planche de bois, une feuille de placage, une feuille de bois aggloméré
C08G 12/42 - Polycondensats modifiés chimiquement par éthérification
C09J 161/30 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés hétérocycliques et des composés acycliques ou carbocycliques
The present invention refers to novel formaldehyde-free bio-based adhesive compositions, adhesive systems comprising, isolated one of another, said adhesive composition (component A) and at least one hardener agent (component B), and adhesive mixtures comprising the adhesive composition and the hardener agent. These adhesive compositions, systems and mixtures can be used for plywood manufacturing.
The present invention refers to novel formaldehyde-free adhesive compositions comprising at least one bio-based adhesive from a renewable resource, adhesive systems comprising, isolated one of another, an adhesive composition (component A) and at least one hardener agent (component B), as well as an adhesive mixture comprising both the adhesive composition and the at least one hardener agent. These adhesive compositions, systems and mixtures described in this document can be used for manufacturing wood composite boards such as wood fibreboards, particleboards, chipboards, oriented strand boards, plywood and paperboards, but also of fibreglass insulations or rock wool insulations.
The present invention describes novel formaldehyde-free adhesive compositions, adhesive mixtures comprising said adhesive composition (component A) and at least one hardener agent (component B), and adhesive systems wherein the adhesive composition further comprising a thickener agent (component A) and the at least one hardener agent (component B) are isolated one of another. Said adhesive compositions, mixtures and systems may be used for curtain coating of a substrate and, in particular, for plywood manufacturing by curtain coating. The present invention also relates to a process for manufacturing a coated material by applying the adhesive mixture by curtain coating, to coated products, in particular plywood, obtainable or obtained by said process and to coated products, or plywood comprising the adhesive composition or mixture of the invention.
The present invention relates to a water-based flame-retardant and smoke-suppressant formulation comprising a phosphate derivative, aluminum hydroxide, a clay and a surfactant; to a method for its preparation; to a cellulosic material comprising the same; to a method of preparation of such cellulosic materials and to cellulosic materials obtained by or obtainable by such method. The present invention further relates to the use of said water-based flame-retardant and smoke-suppressant formulation and to a method thereof for the management of wildland fires.
The present invention relates to an aminoplast resin formulation and an adhesive comprising the same suitable for curtain coating and to a process for manufacturing the aminoplast resin formulation. The present invention also relates to a process for manufacturing a coated material by applying said adhesive by curtain coating, to coated products, in particular plywood, veneered board or laminated veneer lumber (LVL), obtainable or obtained by said process, and to coated products, in particular plywood, veneered board or laminated veneer lumber (LVL), comprising the adhesive of the invention.
C08L 61/24 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés acycliques ou carbocycliques avec l'urée ou la thiourée
C08L 61/28 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés hétéro cycliques avec la mélamine
C09D 161/24 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés acycliques ou carbocycliques avec l'urée ou la thiourée
C09D 161/28 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés hétérocycliques avec la mélamine
C09J 161/24 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés acycliques ou carbocycliques avec l'urée ou la thiourée
C09J 161/28 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés hétérocycliques avec la mélamine
12.
METHOD FOR THE PRODUCTION OF UREA-FORMALDEHYDE RESINS, THE RESINS OBTAINED THEREWITH, AND APPLICATIONS OF SAID RESINS
This invention is related to a novel method for the production of urea-formaldehyde resins, comprising a methylolation step and a condensation step at acid pH values, as well as a final urea addition step; the invention also refers to the resins obtained by said method, which are useful in the manufacture of several materials, for example of wood composite boards, such as wood derived boards, fibreboards, natural and/or synthetic, woven or non-woven fibre mats for compression molding and the resulting composites, particleboards, chip boards, oriented strand boards, plywood and paperboards, but also of fibreglass or rock wool insulations. Such materials are also within the scope of the invention.
B27N 3/00 - Fabrication d'objets sensiblement plats, p. ex. panneaux, à partir de particules ou de fibres
B32B 21/02 - Produits stratifiés composés essentiellement de bois, p. ex. une planche de bois, une feuille de placage, une feuille de bois aggloméré sous forme de fibres, copeaux ou particules
C09J 161/24 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés acycliques ou carbocycliques avec l'urée ou la thiourée
B32B 21/14 - Produits stratifiés composés essentiellement de bois, p. ex. une planche de bois, une feuille de placage, une feuille de bois aggloméré comprenant une planche de bois ou une feuille de bois de placage
B27N 3/02 - Fabrication d'objets sensiblement plats, p. ex. panneaux, à partir de particules ou de fibres à partir de particules
B27N 3/04 - Fabrication d'objets sensiblement plats, p. ex. panneaux, à partir de particules ou de fibres à partir de fibres
13.
PHENOL FORMALDEHYDE RESIN FORMULATION AND ADHESIVE FOR CURTAIN COATING
The present invention relates to a phenol formaldehyde resin formulation, an adhesive comprising the same suitable for curtain coating, and a process for manufacturing the phenol formaldehyde resin formulation. The present invention also relates to a process for manufacturing a coated material by applying said adhesive by curtain coating, to coated products, in particular plywood, veneered board or laminated veneer lumber (LVL), obtainable or obtained by said process and to coated products, in particular plywood, veneered board or laminated veneer lumber (LVL), comprising the adhesive of the invention.
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