| Patent application number | Description | Published |
|---|
| 20090170972 | NATURAL OIL BASED POLYOLS WITH INTRINSIC SURFACTANCY FOR POLYURETHANE FOAMING - The present invention pertains to natural oil based polyols having intrinsic surfactancy and to their use in the production of flexible, viscoelastic and/or semi-rigid, one-shot polyurethane foams with reduced VOC (Volatile Organic Compound) emission. | 07-02-2009 |
| 20090281206 | COPOLYMER POLYOLS AND A PROCESS FOR THE PRODUCTION THEREOF - The present inventions disclosed copolymer polyol composition which have a polymer content of 40 to 75 weight percent, based on total weight, and product stability such that essentially 100 percent passes through a 150 mesh screen produced by a free radical polymerization of the composition comprising: (a) a feedstock polyol; (b) at least one ethylenically unsaturated monomer; (c) a free radical polymerization initiator; (d) a chain transfer agent; (e) optionally a preformed stabilizer; and (f) optionally a macromer; with the proviso that at least one of e) or f) is present; wherein the feedstock has a nominal average functionality of 1.5 to 2.7, an equivalent weight of 400 to 2000. Such copolymer polyols can be used for the production of polyurethane products. | 11-12-2009 |
| 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 |
| 20100197878 | POLYOL BLENDS FOR USE IN MAKING POLYMERS - A composition comprises (A) a blend of (a) at least one first natural oil polyol prepared by a first process, and (b) at least one second natural oil polyol different from the first natural oil polyol, prepared by a second process; or (B) a prepolymer prepared from at least one first natural oil polyol prepared by a first process, and (b) at least one second natural oil polyol different from the first natural oil polyol, prepared by a second process; or (C) at least one prepolymer prepared from (a) at least one first natural oil polyol prepared by a first process, and (b) at least one second natural oil polyol different from the first natural oil polyol, prepared by a second process. Polymer preparable from a composition of the invention and at least one monomer interpolymerizable therewith. The polymer is most preferably a polyurethane. A process of preparing a polymer comprises (a) admixing at least one such composition with at least one monomer interpolymerizable therewith. Articles comprise at least one resulting polymer. | 08-05-2010 |
| 20100204351 | PHENOLIC NOVOLAC FOAMS AND COMPOSITIONS FOR PREPARING THEM - A foamable novolac phenolic resin composition suitable for preparing phenolic foams that are free of corrosive acid catalysts and excess aldehydes. The composition comprises a novolac resin, an oxazolidine hardener, and a blowing agent. | 08-12-2010 |
| 20100204353 | USE OF NATURAL OIL BASED COMPOUNDS OF LOW FUNCTIONALITY TO ENHANCE FOAMS - Isocyanate reactive materials of natural origin having an average isocyanate reactive functionality of less than about 1.5 can be used to enhance polyurethane foams. For instance, use of such materials often results in more open foams than is obtained in the same formulation without the materials. The materials also help maximize the level of renewable resource materials used in foams, especially with viscoelastic foams. The invention includes a polyol composition comprising at least one natural oil isocyanate reactive material having an average isocyanate reactive functionality of less than 1.5 in an amount greater than that naturally present in any natural oil polyol in the composition. While it is preferred to include at least one natural oil polyol in the polyol composition, doing so is optional. The invention additionally includes a process of preparing a polyurethane comprising (a) supplying an isocyanate composition comprising at least one polyisocyanate; (b) supplying at least one polyol composition as previously described; (c) admixing the isocyanate composition and the polyol composition; and (d) exposing the admixture to reaction conditions such that at least one polyurethane is formed. | 08-12-2010 |
| 20100215942 | HEAT BONDING POLYURETHANE FOAMS - A process for producing a laminate or composite structure comprises heat bonding a substrate to a polyurethane foam, wherein the polyurethane foam is produced using at least one natural oil derived polyol as at least a portion of the polyol used in making the polyurethane foam. The resulting laminate or composite structure comprises at least one foam produced from a polyol composition comprising at least one natural oil derived polyol and at least one substrate with the interface between the foam and substrate being that formed by heat bonding. The invention also includes any article comprising such a laminate or composite structure. | 08-26-2010 |
| 20100249260 | HIGH RESILIENCE FOAMS - A high resilience (HR) polyurethane foam comprising the reaction product of (1) at least one polyisocyanate comprising at least about 5 weight percent of at least one methylene diphenyl diisocyanate isomer, derivative or a combination thereof and (2) an admixture of at least one natural oil based polyol and at least one additional polyol which is not a natural oil based polyol, wherein the admixture comprises at least about 10 weight percent natural oil based polyol and at least about 40 weight percent additional polyol having an equivalent weight of at least about 1700 Daltons; and the foam has a resiliency indicated by a ball rebound of at least 40 percent as measured according to the procedures of ASTM D 3574, Test H. An HR foam is made according to a process comprising steps of (a) forming a natural oil based polyol composition comprising at least about 10 weight percent of at least one natural oil based polyol having an OH functionality of at least about 2.2 and an equivalent weight of at least about 500 Dalton (Da) and at least about 40 weight percent of at least one conventional polyol having an equivalent weight of at least about 1700 Da and water; (b) admixing at least one catalyst with the natural oil based polyol composition to form a catalyst polyol admixture; (c) supplying a poly isocyanate comprising at least about 5 weight percent of at least one methylene diphenyl diisocyanate isomer, derivative or combination thereof in an amount corresponding to an isocyanate index of at least about 55 and at most about 105 and (c) admixing the isocyanate with the catalyst polyol admixture. The foams are useful in such applications as comfort, sound absorption including noise dampening, harshness dampening, protection, packaging, medical equipment, safety equipment and combinations thereof. | 09-30-2010 |
| 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 |
| 20100286298 | FLEXIBLE FOAMS - Polyurethane foams of improved resilience properties can be produced from: a) a polyisocyanate, b) a polyether polyol or polyester polyol, c) a blowing agent, d) one or more optional additives or auxiliary compounds, and e) a redispersible polymer powder based on a homopolymer or copolymer of one or more monomers from the group consisting of vinyl esters of un-branched or branched alkylcarboxylic acids having from 1 to 15 carbon atoms, methacrylic esters and acrylic esters of alcohols having from 1 to 15 carbon atoms, vinylaromatics, olefins, dienes and vinyl halides. | 11-11-2010 |
| 20100286299 | NATURAL OIL BASED COPOLYMER POLYOLS AND POLYURETHANE PRODUCTS MADE THEREFROM - A polymer polyol composition of conventional petroleum-based polyols, natural oil derived polyols, PIPA and/or PHD particles made in the presence of natural oil derived polyols, and conventional petroleum-based polymer particles is provided. The polymer polyol composition may be used to form polyurethane foams. | 11-11-2010 |
| 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 |
| 20110009515 | STORAGE AND TRANSPORTATION STABLE POLYOL BLENDS OF NATURAL OIL BASED POLYOLS AND AMINE INITIATED POLYOLS - A storage and shipping stable polyol blend is provided, The polyol blend includes a first and second polyol. The first polyol may be derived from a natural oil, and the second polyol, may be an amine initiated conventional petroleum-based polyol. The mixture of the first and second polyols form a polyol blend having a single continuous phase. | 01-13-2011 |
| 20110054060 | NATURAL OIL BASED POLYOL BLENDS - A natural oil based polyol blend is provided. The blend includes a first natural oil based polyol comprising is the reaction product of a first monomer and a first initiator, and where the first monomer is derived from at least one first fatty acid methyl ester. The blend also includes a second natural oil based polyol comprising the reaction product of a second monomer and a second initiator. The second monomer is derived from at least one second fatty acid methyl ester, and at least one of the second monomer and the second initiator is different from the first monomer and the first initiator, respectively. The natural oil based polyol blend may be reacted with an isocyanate to form a foam. | 03-03-2011 |
| 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 |
| 20110086215 | POLYOL PREPOLYMERS OF NATURAL OIL BASED POLYOLS - A polyol prepolymer having at least one urethane group is disclosed. The polyol preopolymer is a reaction product of at least one isocyanate and a polyol blend, where the polyol blend includes at least one conventional petroleum-based polyol and at least one natural oil based polyol. The polyol prepolymer may be used in producing flexible polyurethane foams. | 04-14-2011 |
| 20110105634 | CATALYSIS OF VISCOELASTIC FOAMS WITH BISMUTH SALTS - The embodiments of the present invention provide for viscoelastic polyurethane foams made in the presence of a bismuth comprising catalyst. The viscoelastic polyurethane foam may be the reaction product of a reaction mixture including at least one polyol and at least one isocyanate, wherein the at least one polyol and the at least one isocyanate are reacted in the presence of at least one bismuth comprising catalyst, and wherein the viscoelastic polyurethane foam has a density of less than 100 kg/m | 05-05-2011 |
