Patent application number | Description | Published |
20080275191 | New Amine Composition - The present invention provides novel polymeric amine compositions employing amine compounds having multiple tertiary amine groups. Methods of making these new compositions are also disclosed. Amine compositions and amine-epoxy compositions employing the polymeric amine compositions of the present invention are also provided. | 11-06-2008 |
20080293841 | Polyester Polyol-Containing Polyurethane Systems Having Improved Hydrolytic Stability - An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition. | 11-27-2008 |
20080312351 | Tetraalkylammonium Carboxylate Salts as Trimerization Catalysts for Spray Foam Applications - The present invention provides a method to produce a polyisocyanurate/-polyurethane spray foam using a trimerization catalyst composition having tetraalkylammonium salt of a sterically hindered carboxylic acid or an α,β-unsaturated carboxylic acid. | 12-18-2008 |
20100152312 | CATALYST COMPOSITION FOR WATER BLOWN, LOW DENSITY, RIGID POLYURETHANE FOAM - A method for preparing a water blown, low density, rigid polyurethane foam which comprises contacting at least one polyisocyanate with at least one polyol, at an Isocyanate Index of 70 to 200, in the presence of a blowing agent composition comprising at least 75 wt % water and an effective amount of a catalyst composition comprising a gelling catalyst which is bis-(N,N-dimethylaminopropyl)amine and a blowing catalyst which is N,N-dimethylaminoethyl-N′-methyl-ethanolamine, the foam having a density of 6 to 16 Kg/m | 06-17-2010 |
20100240783 | Polyurethane Foams Made with Blowing Catalyst Compositions Containing Primary Hydroxyl Groups and High Ethylenediamine Backbones - A method is provided for preparing polyurethane foams, which comprises contacting at least one organic isocyanate compound, at least one polyol, at least one blowing agent, and a tertiary amine catalyst composition. The catalyst composition has the general formula | 09-23-2010 |
20120071576 | Additives for Improving Polyurethane Foam Performance - Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties. | 03-22-2012 |
20120149794 | N,N,N'-Trimethyl-Bis-(Aminoethyl) Ether and its Derivatives as Catalysts for Polyurethanes - The present invention provides compounds produced by the reaction of glycidyl ethers and glycidyl esters with ether compounds including N,N,N′-trimethyl-bis-(aminoethyl)ether. N,N,N′-trimethyl-bis-(aminoethyl)ether and its derivatives can be used as polyurethane catalysts. | 06-14-2012 |
20120178839 | Process For Producing Flexible Polyurethane Foam - A composition and process useful to make flexible polyurethane foams and in particular flexible molded polyurethane foams is disclosed. The usage of dipolar aprotic liquids such as DMSO, DMI, sulfolane, N-methyl-acetoacetamide, N,N-dimethylacetoacetamide as well as glycols containing hydroxyl numbers OH#≦1100 as cell opening aides for 2-cyanoacetamide or other similar molecules containing active methylene or methine groups to make a polyurethane foam is also disclosed. The advantage of using cell opener aids results in a) no foam shrinkage; b) lower use levels of cell opener; c) foam performance reproducibility d) optimum physical properties. In addition, combining the acid blocked amine catalyst together with the cell opener and the cell opener aid results in a less corrosive mixture as well as provides a method that does not require mechanical crushing for cell opening. | 07-12-2012 |
20130065978 | Additives For Improving Natural Oil Based Polyurethane Foam Peformance - Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties. | 03-14-2013 |
20130085193 | TERTIARY AMINE COMPOSITION AND METHOD FOR MAKING THE COMPOSITION - A composition and method for producing a tertiary amine is disclosed. The tertiary amine is contacted with an inert gas. The inert gas is nitrogen or more preferably argon. The amine composition is useful in producing polyurethane foam with lower levels of chemical emissions particularly lower emissions of toxic chemicals. | 04-04-2013 |
20130131276 | Processes, Products, and Compositions Having Tetraalkylguanidine Salt of Aromatic Carboxylic Acid - Disclosed are processes, products, and compositions having tetraalkylguanidine salt of aromatic acid. The processes include providing a pre-mix comprising an aromatic carboxylic acid component and contacting a tetraalkylguanidine with the aromatic carboxylic acid component in the pre-mix to form the tetraalkylguanidine salt of aromatic carboxylic acid or producing a catalyst composition by contacting the tetraalkylguanidine with the aromatic carboxylic acid component to form the tetraalkylguanidine salt of aromatic carboxylic acid. The compositions include the tetraalkylguanidine salt of aromatic carboxylic acid. The product is formed by the tetraalkylguanidine salt of aromatic carboxylic acid. | 05-23-2013 |
20130137787 | Reducing Emissions in Polyurethane Foam - This invention disclosure relates to a process to make flexible open cell polyurethane foam with optimum mechanical properties and lowest chemical emissions. Using the selection of tertiary amine catalysts together with a group of carboxylic acids according to this disclosure can produce foam products with optimum properties and lowest chemical emanations. | 05-30-2013 |
20130190415 | Reduced Emissions Low Density Spray Polyurethane Foam - This disclosure is directed to make low density and low amine emissions water blown polyurethane foams using a reactive catalyst composition. The method is particularly useful in the preparation of full water blown, low density polyurethane foams having a density in the range of about 6 to about 16 kg/m3. A catalyst composition comprising at least one non-emissive amine catalyst and tetraalkyl guanidine, the method of employing the catalyst composition and a formulation comprising the catalyst composition are disclosed. | 07-25-2013 |
20130197114 | Process For Producing Flexible Polyurethane Foam Using Natural Oil Polyols - A composition and process useful to make flexible polyurethane foams and in particular flexible molded polyurethane foams is disclosed. The usage of dipolar aprotic liquids such as DMSO, DMI, sulfolane, N-methyl-acetoacetamide, N,N-dimethylacetoacetamide as well as glycols containing hydroxyl numbers OH#≦1100 as cell opening aides for 2-cyanoacetamide or other similar molecules containing active methylene or methine groups to make a polyurethane foam is also disclosed. The advantage of using cell opener aids results in a) no foam shrinkage; b) lower use levels of cell opener; c) foam performance reproducibility d) optimum physical properties. In addition, combining the acid blocked amine catalyst together with the cell opener and the cell opener aid results in a less corrosive mixture as well as provides a method that does not require mechanical crushing for cell opening. | 08-01-2013 |
20130341562 | TRIMERIZATION CATALYSTS FROM STERICALLY HINDERED SALTS - The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt and methods to produce a polyisocyanurate/-polyurethane foam using such trimerization catalyst compositions. | 12-26-2013 |
20140005037 | TRIMER CATALYST ADDITIVES FOR IMPROVING FOAM PROCESSABILITY | 01-02-2014 |
20140042361 | TRIMER CATALYSTS WITH IMPROVED PROCESSABILITY AND SURFACE CURE - The present invention provides trimerization catalyst compositions having an α,β-unsaturated carboxylate salt and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions | 02-13-2014 |
20140100298 | Polyester Polyol-Containing Polyurethane Systems Having Improved Hydrolytic Stability - An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition. | 04-10-2014 |
20140113984 | Delay Action Catalyst for Improving The Stability of Polyurethane Systems Having Halogen Containing Blowing Agents - Catalyst compositions useful in the production of insulating polyurethane or polyisocyanurate foam are disclosed. The catalyst compositions impart increased stability of a mixture of the catalyst, a halogen-containing blowing agent, and a polyol. These catalyst compositions include amine/acid salts with a pH of <7.0 which can be used in combined with tertiary amine catalysts and metal-based or ammonium-based trimerization catalyst and at least one metal-based gel catalyst and optionally one or more of an additional catalyst described in (1) or (2). These improved catalysts can be used with any halogenated blowing agent, and provide substantial stability benefits with the use of hydrofluoroolefins and hydrofluorochloroolefins. In an exemplary embodiment, a process includes providing a pre-mix comprising an organic carboxylic di-acid, tri-acid or poly-acid component and contacting a tetraalkylguanidine and/or a tertiary amine containing an isocyanate reactive group with the acid component in the pre-mix to form a mixture of tetraalkylguanidine salt or tertiary amine salt or their combination. | 04-24-2014 |