Patent application number | Description | Published |
20100036010 | Amine-initiated polyols and rigid polyurethane foam made therefrom - Polyether polyols are initiated with aminocyclohexanealkylamines such as isophoronediamine and 1,8-diaminop-menthane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 02-11-2010 |
20100280140 | Thermally Insulating Isocyanate-Based Foams - Propylene oxide, ethylene oxide, or a propylene oxide/ethylene oxide mixture are reacted with 1,2-phenylene diamine to form adducts having hydroxyl and amino groups. The 1,2-phenylene diamine adducts are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. The polyols also have unexpectedly low viscosities. | 11-04-2010 |
20100298458 | Ortho-Cyclohexanediamine-initiated polyols and rigid polyurethane foam made therefrom - Polyether polyols are initiated with orthocyclohexanediamines such as 1,2-diaminocyclohexane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 11-25-2010 |
20110077314 | 1,3- OR 1,4-BIS(AMINOMETHYL)CYCLOHEXANE-INITIATED POLYOLS AND RIGID POLYURETHANE FOAM MADE THEREFROM - Polyether polyols are initiated with 1,3- or 1,4-bis(aminomethyl)cyclohexanes. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 03-31-2011 |
20110077315 | METHYLENE BIS(CYCLOHEXYLAMINE)-INITIATED POLYOLS AND RIGID POLYURETHANE FOAM MADE THEREFROM - Polyether polyols are initiated with methylene bis(cyclohexylamines). The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 03-31-2011 |
20110124759 | POLYOL BLENDS CONTAINING ORTHO-CYCLOHEXANEDIAMINE-INITIATED POLYOLS FOR RIGID POLYURETHANE FOAMS - Polyether polyols initiated with ortho-cyclohexanediamines such as 1,2-diaminocyclohexane are used in rigid polyurethane foam formulations in conjunction with an aromatic amine-initiated polyol, and/or with low levels of tertiary amine catalysts. The polyol mixtures are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 05-26-2011 |
20110130477 | RIGID POLYURETHANE FOAM SYSTEMS BASED ON ORTHO-CYCLOHEXANEDIAMINE-INITIATED POLYOLS - Polyether polyols initiated with ortho-cyclohexanediamines such as | 06-02-2011 |
20120129964 | Amine-initiated polyols and rigid polyurethane foam made therefrom - Polyether polyols are initiated with aminocyclohexanealkylamines such as isophoronediamine and 1,8-diamino-p-menthane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 05-24-2012 |
20120172470 | POLYOL MIXTURES CONTAINING A 1,3- AND/OR 1,4-BIS(AMINOMETHYL)CYCLOHEXANE-INITIATED POLYOL AND AT LEAST ONE OF A METHYLENE BIS(CYCLOHEXYLAMINE)-INITIATED POLYOL AND A CYCLOHEXANEDIAMINE-INITIATED POLYOL, AND POLYURETHANES MADE THEREFROM - Polyether polyols are initiated 1,3- and/or 1,4-bis(aminomethyl)cyclohexane) and with either or both of a methylene bis(cyclohexylamine) compound and a cyclohexanediamine compound. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times. | 07-05-2012 |
20130005853 | CURABLE EPOXY RESIN SYSTEMS CONTAINING MIXTURES OF AMINE HARDENERS AND AN EXCESS OF EPOXIDE GROUPS - Fiber reinforced epoxy resin composites are produced using a specific epoxy resin system. The epoxy resin system contains at least one polyglycidyl ether of a polyphenol. The system also contains a hardener that contains a mixture of aminocyclohexanealkylamine and polyalkylene polyamine hardeners. The ratio of epoxy resin groups to amine hydrogen groups is from 1.05 to 1.50. The epoxy resin system contains a tertiary amine catalyst such as a tertiaryaminophenol, a benzyl tertiary amine or an imidazole compound. | 01-03-2013 |
20130034683 | FOAM INSULATION UNIT - Insulating units are disclosed which are prepared by a cavity-filling, fast-gelling rigid polyurethane foam based on a formulation comprising a polyol component which contains at least 5 weight percent of an amine-initiated polyols and 1.4 to 4 parts by weight of a catalyst package whereby the catalyst package contains at least one amine catalyst and the weight percent nitrogen present in the amine-initiated polyol to weight percent nitrogen present in the catalyst system is from 2 to 8. The formulation is injected into the cavity and the pressure in the cavity is subjected to reduced atmospheric pressure to achieve the rigid foam having a thermal conductivity of less than about 19 mW/mK at 10° C. average plate temperature. | 02-07-2013 |
20140206787 | Polyfunctional Polyglycerine Initiated Polyether Polyols and High Resilience Polyurethane Slabstock Therefrom - A polyglycerine initiated polyether polyol exhibiting a final functionality less than the nominal functionalities of the polyol initiator wherein the initiator is a polyglycerine formed by the polymerization of glycerin having an HEW less than about 35 and exhibiting a nominal functionality between 2 and 16 is provided. Also provided is a process for producing a polyfunctional polyurethane by the reaction of a mixture containing a polyol based on polyglycerine initiator wherein between 5 wt % and 100 wt % of the total initiator is polyglycerine having a nominal functionality between 2 and 16, at least one organic isocyanate, an amine and/or a metal salt catalyst, and optionally a blowing agent. Also provided is a flexible polyurethane foam comprising a reaction product of a polyglycerine or formed by the glycidol polymerization of glycerin, at least one organic isocyanate, and an amine catalyst. | 07-24-2014 |
20140213698 | THERMOSETTING COMPOSITION AND PROCESS FOR PREPARING FIBER-REINFORCED COMPOSITES - A two-component curable epoxy resin system is disclosed. The resin system includes an epoxy resin component containing at least 80% by weight of a polyglycidyl ether of a polyphenol that has an epoxy equivalent weight of up to about 200 and contains no more than 2% by weight of monohydrolyzed resin species. The system also includes a hardener mixture that has an amino hydrogen equivalent weight of from 35 to 90 and contains at least 90% by weight of a mixture of (i) from 5 to 75% of the combined weight of (i), (ii) and (iii) of one or more compounds that have at least two primary and/or secondary aliphatic amino groups and which have no phenolic groups; (ii) from 10 to 95% of the combined weight of (i), (ii) and (iii) of one or more aminophenol compounds that contain one or more primary and/or secondary aliphatic amino groups and at least one phenolic group and (iii) from 0 to 50% of the combined weight of (i), (ii) and (iii) of one or more phenolic compounds that contain two or more phenolic groups and do not contain primary or secondary amino groups. The epoxy resin component and hardener mixture are present in amounts sufficient to provide from 1.05 to 1.35 equivalents of aliphatic amine hydrogens per equivalent of epoxide groups provided by the epoxy resin component. The system has beneficial curing characteristics that make it useful for producing fiber-reinforced composites in a resin transfer molding process. | 07-31-2014 |