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7125932 |
Coating composition
The present invention provides (i) a novel composition which is the polyol reaction product polyol made by mixing together a polyhydroxyl-tertiary amine, at least two of the hydroxyl groups of said...
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6818675 |
Process for preparing polyurethane foam
A process for preparing a polyurethane foam is provided which comprises reacting a polyisocyanate and an active hydrogen-containing component, including water and an organic polyol, in the presence...
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6800714 |
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
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6780908 |
Coating composition
The present invention relates to coating compositions which can be used as the clear coat for automotive finishing or refinishing, the coating composition contining a film-forming binder which...
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6730628 |
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
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6703452 |
Coating composition
The present invention relates to coating compositions which can be used as the clear coat for automotive finishing or refinishing, the coating composition containing a film-forming binder which...
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6660781 |
Process for preparing polyurethane foam
A process for preparing a polyurethane foam, especially according to the one-shot foaming process the quasi-prepolymer process and the prepolymer process, by reactions between a polyisocyanate and...
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6552154 |
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
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6433085 |
Coating composition
The present invention provides (i) a novel composition which is the polyol reaction product polyol made by mixing together a polyhydroxyl-tertiary amine, at least two of the hydroxyl groups of said...
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6395796 |
Process for preparing polyurethane foam
A process for preparing a polyurethane foam, especially according to the one-shot foaming process, the quasi-prepolymer process and the prepolymer process by reactions between a polyisocyanate and...
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EP1045891A1 |
Title is not available
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5561187 |
Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation
The preparation and use of quarternized bis hydroxy alkyl amines by the reaction of a tertiary amine and an alkylene oxide in a strong acid system are disclosed. Cationic polyurethane compositions...
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5489618 |
Process for preparing polyurethane foam
A process for preparing a polyurethane foam according to the one-shot foaming process by reactions between a polyisocyanate and an active hydrogen-containing component including water and an...
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5420186 |
Internal mold release agents comprising metallic soaps compatibilized with liquid quaternary ammonium salts
In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethaneurea elastomer by reaction injection...
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5324759 |
RIM polyol blends containing acidic siloxane internal mold release agents and quaternary ammonium phenoxides
In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane, polyurethaneurea or polyurea elastomer by reaction...
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EP0182203B1 |
Delayed action/enhanced curing catalysis in polyurethane systems
Abstract not available for EP0182203 Abstract of corresponding document: US4582861 A method for preparing polyurethane product by the reaction of an organic polyisocyanate with a polyester or...
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4904629 |
Quaternary triethylenediamine compositions and their combination with tertiary amines for delayed action/enhanced curing catalysts in polyurethane systems
A method for preparing polyurethane product by the reaction of an organic polyisocyanate with a polyester or polyether polyol in the presence of a catalytically effective amount of a catalyst...
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4785025 |
Quaternary triethylenediamine compositions and their combination with tertiary amines for delayed action/enhanced curing catalysts in polyurethane systems
A method for preparing polyurethane product by the reaction of an organic polyisocyanate with a polyester or polyether polyol in the presence of a catalytically effective amount of a catalyst...
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EP0182203A2 |
Delayed action/enhanced curing catalysis in polyurethane systems.
Abstract not available for EP0182203 Abstract of corresponding document: US4582861 A method for preparing polyurethane product by the reaction of an organic polyisocyanate with a polyester or...
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4582861 |
Delayed action/enhanced curing catalysis in polyurethane systems
A method for preparing polyurethane product by the reaction of an organic polyisocyanate with a polyester or polyether polyol in the presence of a catalytically effective amount of a catalyst...
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4577017 |
Process for the preparation of an isocyanurate compound containing isocyanate groups
Process for the preparation of an isocyanurate-compound containing isocyanate groups by trimerisation of a diisocyanate in the presence of a compound having the formula ##STR1## in combination...
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4465791 |
Process for preparing polyol-catalyst mixtures useful in the preparation of rigid polyurethane cellular products
Polyol-catalyst mixtures, useful in the preparation of rigid polyurethane cellular products, are prepared simultaneously by reacting a Mannich base compound, water, and an epoxide and subsequently...
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4404121 |
Process for preparing polyol-catalyst mixtures useful in the preparation of rigid polyurethane cellular products
Polyol-catalyst mixtures, useful in the preparation of rigid polyurethane cellular products, are prepared simultaneously by reacting a Mannich base compound, water, and an epoxide and subsequently...
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4404120 |
Process for preparing hydroxy-containing amine complexes which are useful as catalysts for trimerizing isocyanates and preparing polyurethanes
Hydroxy-containing amine complexes useful as catalysts for the trimerization of isocyanates and the preparation of urethanes from alcohols and isocyanates, are prepared in good yield by reacting an...
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4379757 |
Tertiary amine catalyst mixtures useful in cellular polyurethane formation
Tertiary amine catalyst mixtures comprising at least one hydroxyalkyl piperazine, preferably 2-hydroxyethyl piperazine or 1,4-di-(2-hydroxyethyl) piperazine, and at least one other tertiary amine...
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4335219 |
Process for reacting isocyanates in the presence of quaternary ammonium zwitterions
The reaction of an isocyanate such as toluene diisocyanate with itself to form an isocyanurate or with an active hydrogen compound such as diethylene glycol to form a urethane is catalyzed by the...
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4324879 |
Process for the preparation of polyisocyanates containing isocyanurate groups and the use thereof
The present invention is concerned with an improved process for the production of partially trimerized hexamethylene diisocyanate which yields isocyanurate isocyanates which have low viscosity and...
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4288586 |
Process for the preparation of polyisocyanates containing isocyanurate groups
The present invention relates to a new process for the preparation of polyisocyanates containing isocyanurate groups by the partial trimerization of the isocyanate groups of...
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EP0010589A1 |
Title is not available
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EP0010411A1 |
Method for preparing an elastomeric urethane-urea copolymer and a composition for preparing same.
An elastomeric urethane-urea copolymer is prepared by reacting an isocyanate-terminated oligomer or prepolymer with as chain extending agent an aromatic diamine wherein each amine group is bonded...
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4186255 |
Bis-quaternary ammonium salts as polyisocyanurate catalysts
Covers the use of quaternary ammonium carboxylate salts as polyisocyanurate catalysts. Said catalysts are useful in promoting the reaction between a polyol and an aromatic polyisocyanate to prepare...
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4180643 |
Acrylamide or methacrylamide quaternary compounds
Covers a new composition of matter comprising an acrylamide or methacrylamide monomer characterized by the following structural formula: ##STR1## where R 1 , R 2 and R 5 are hydrogen or methyl, R...
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4116879 |
Quaternary hydroxyalkyl tertiary amine bases as polyurethane catalysts
Catalysts having the following formula have been found to have unexpectedly high activity for the production of polyurethane and polyisocyanate resins: ##STR1## where: R, R 1 and R 2 are alkyls...
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4101465 |
A cocatalyst system for trimerizing isocyanates
A novel cocatalyst combination for the trimerization of polyisocyanates to polyisocyanurates is disclosed. The catalyst combination comprises: (a) alkali metal glycine salts, (b)...
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4040992 |
Catalysis of organic isocyanate reactions
Polymerization and condensation reactions of organic isocyanates are catalytically promoted by the use of N-hydroxyalkyl quaternary ammonium carbonylate salts, particularly in the production of...
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3989651 |
Catalyst for sprayable polyisocyanurate foam composition
A novel process for the preparation of polyisocyanurate spray foams is disclosed. The catalyst combination comprises (i) N,N-dimethylcyclohexylamine, and (ii) a tetra (lower-alkyl) quaternary...
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