Abstract: A polysiloxane-polyoxyalkylene composition of the nominal formula: ##STR1## wherein R is an alkyl group having 1 to 3 carbon atoms and R.degree., R', R" and R'" are individually monovalent polyoxyalkylene polyethers attached to the silicon atom through a difunctional link; and,the polyoxyalkylene of R' is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 3,000 to about 5,500;the polyoxyalkylene of R" is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 800 to about 2,900; andthe polyoxyalkylene of R'" is a polyoxypropylene polyether having an average molecular weight from about 130 to about 1200;R.degree.

Abstract: The present invention is directed to a process for the production of optionally cellular, polyurethane elastomer moldings or optionally cellular, rigid structural polyurethanes by reacting a reaction mixture containing(i) a polyisocyanate,(ii) a high molecular weight polymer having at least two hydroxy groups and having a molecular weight of 400 to about 10,000,(iii) about 5 to 50% by weight, based on the weight of component (ii) of a chain-extender having at least two hydroxy groups and(iv) about 0.05 to 10 weight percent, based on the weight of components (ii) and (iii) of a salt based on a carboxy functional siloxane and an amidine group-containing compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.

Abstract: Improved, flexible, open celled polyurethane foams are described. The foams are formed in situ from the reaction of a polyisocyanate, a conventional polyester polyol, a polyether polyol, a high hydroxyl polyester polyol and a blowing agent in the presence of a catalyst. A polyether foam stabilizer is normally also included. A small amount of a destabilizing silicone ingredient can also be included. Useful high hydroxyl number polyester polyols have hydroxyl numbers in the range 300-600, and preferably 400-450. The average equivalent weight of the useful high hydroxyl number polyester polyol is normally in the range 100-200. The compositions of the invention are useful as filter media and are especially suitable for outdoor seating applications.

Abstract: A polysiloxane-polyoxyalkylene composition of the nominal formula: ##STR1## wherein R is an alkyl group having 1 to 3 carbon atoms and R.degree., R', R" and R'" are individually monovalent polyoxyalkylene polyethers attached to the silicon atom through a difunctional link; and,the polyoxyalkylene of R' is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 3,000 to about 5,500;the polyoxyalkylene of R" is a poly(oxyethylene-oxypropylene) ether which contains 20% to 60% oxyethylene by weight and has an average molecular weight of from about 800 to about 2,900; andthe polyoxyalkylene of R'" is a polyoxypropylene polyether having an average molecular weight from about 130 to about 1200;R.degree.

Abstract: A makeup remover pad is provided which comprises a resilient, open-celled hydrophilic foam matrix, wherein said matrix integrally incorporates an aqueous phase incorporating about 25-75% water, about 15-70% of a water-insoluble emollient oil, and an amount of surfactant effective to stabilize the aqueous phase so that it is released from the foam matrix as a homogeneous emulsion when the pad is applied to skin.

Abstract: The present invention is directed to a process for the production of optionally cellular, polyurethane elastomer moldings or optionally cellular, rigid structural polyurethanes by reacting a reaction mixture containing(i) a polyisocyanate,(ii) a high molecular weight polymer having at least two hydroxy groups and having a molecular weight of 400 to about 10,000,(iii) about 5 to 50% by weight, based on the weight of component (ii) of a chain-extender having at least two hydroxy groups and(iv) about 0.05 to 10 weight percent, based on the weight of components (ii) and (iii) of a salt based on a carboxy functional siloxane and an amidine group-containing compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.

Abstract: A polyurethane foam composition for immobilization in traumatology containing the following components in mass %:hydroxyl-containing polyester: 20-30catalyst: 0.5-3.0foaming agent: 0.5-7.0foam stabilizer: 0.5-0.9low molecular polyolefin: 20-30polyisocyanate ensuring the ratio of the isocyanate and hydroxyl groups in the polyester equal to 1:1: the balance.

Abstract: This invention describes novel molded flexible polyurethane foam surfactants which can be used in foam having high concentrations of reinforcing graft copolymer solids. The invention also describes an improved process for making these foams using the novel surfactants.

Abstract: Organic antimony compounds can be used to retard deactivation of urethane catalysts during storage of a B side formulation containing aromatic polyester polyols, used in the manufacture of rigid polyurethane foams.

Abstract: The specification discloses a surfactant composition for rigid urethane, including isocyanurate foams which includes from about 15 to about 50% each of the following ingredients: (1) an organic surfactant; (2) a siloxane-polyoxyalkylene surfactant; and (3) one of water, C-1 to C-3 alcohol and mixtures thereof.

Abstract: This invention describes novel molded flexible polyurethane foam surfactants which can be used in foam having high concentrations of reinforcing graft copolymer solids. The invention also describes an improved process for making these foams using the novel surfactants.

Abstract: Rigid polyurethane foams produced by reacting a polyol component having a special composition with an isocyanate component in the presence of a blowing agent, a reaction catalyst and a foam stabilizer with a mold release time of as short as 5.5 minutes or less, have remarkably low thermal conductivity of 12.5.times.10.sup.-3 Kcal/m.hr..degree.C. or less and a low density and are suitable as heat insulating materials for refrigerators and the like.

Abstract: In one aspect, this invention is a polyurethane foam which is the reaction product of a reaction mixture comprising a poly(alkylene carbonate) polyol, a silicone surfactant, a blowing agent, and a polyisocyanate.In another aspect, this invention is an active hydrogen-containing composition comprising a poly(alkylene carbonate) polyol having an equivalent weight from about 100 to about 3000, a blowing agent and a silicone surfactant.

Abstract: Fire retardant flexible polyurethane foams are prepared with reduced scorch and discoloration by the addition of a stabilizing amount of from about 1 to about 12 parts by weight of a cyclic alkylene carbonate to the formulation, based on the weight of the polyester polyol employed, without affecting the fire retardancy of the foam product.

Abstract: Complex block multipolymer surfactants comprising (a) a siloxane polymer terminated with groups containing a hydroxyl(--OH), (b) one or more diols and (c) a diisocyanate and foam compositions of polyurethane employing said surfactants as a stabilizer.

Abstract: This invention describes novel molded flexible polyurethane foam surfactants which can be used in foam having high concentrations of reinforcing graft copolymer solids. The invention also describes the improved process for making these foams using the novel surfactants.

Abstract: A vibration isolator composed of a low foam urethane elastomer having urethane bonds and a bulk density of 0.4-0.75 g/cm.sup.3 which is prepared from the starting foamable liquid of urethane elastomer composed substantially of(a) a polyether polyol having an average number of functional groups of 2.5-4.5 and a number average molecular weight of 2000-3500,(b) a vinyl monomer-grafted polyol having an average number of functional groups of 2.5-4.0 and the graft ratio is 4-20% by weight,(c) a liquid polybutadiene polyol having hydroxyl terminal group(s), an average number of functional groups of 2.0-3.0 and a number average molecular weight of 2000-7000,(d) an organic polyisocyanate,(e) a chain extender(f) a blowing agent, and(g) a urethanation catalyst,in such ratios that the NCO index is within the range of 90-110, and the concentration of the chain extender, based on the total amount of the five components of (a), (b), (c), (d) and (e), is 0.3.times.10.sup.-3 to 1.5.times.10.sup.-3 mol/g.

Abstract: Process for the preparation of flexible polyurethane foams using polysiloxane-polyoxyalkylene block copolymers as stabilizers having the general formula: ##STR1## in which A represents A.sup.1 and A.sup.2 polyoxyalkylene blocks, as defined hereinafter, which are linked to silicon over carbon and which have the general formula --R.sup.2 --O--(C.sub.x H.sub.2x O--).sub.y R.sup.3, R.sup.2 being a divalent hydrocarbon radical with 2 to 4 carbon atoms and R.sup.3, x and y are as defined hereinafter,B is a methyl radical, the A or R.sup.1 radical,R.sup.1 is an alkyl radical with 1 to 12 carbon atoms, a substituted alkyl radical with 1 to 12 carbon atoms, an aryl or an alkaryl radical,n has a value of 30 to 200,m has a value of 3 to 20 when B is a methyl radical or corresponds to the R.sup.1 radical, and a value of 1 to 18 when B corresponds to the A radical,o has a value of 0 to 40, n being not less than 5 m, and m and o being not greater than 1/3 n,with the proviso that(a) the A.sup.

Abstract: Fire retardant flexible polyurethane foams are prepared with reduced scorch and discoloration by the addition of a stabilizing amount of from about 1 to about 12 parts by weight of a cyclic alkylene carbonate to the formulation, based on the weight of the polyether polyol employed, without affecting the fire retardancy of the foam product.

Abstract: A new and highly useful resin prepolymer blend of (a) polyester polyols prepared by esterifying phthalic anhydride bottoms with aliphatic polyols; (b) aliphatic polyol, (c) compatibilizing polyalkoxylated compound, and (d) (optionally) polyalkoxylated amine or amide diol. This blend can be reacted with organic isocyanates in the presence of fluorocarbon blowing agent and preferably catalysts to produce cellular polymeric structures.

Abstract: There is disclosed a room temperature curing silicone for protecting polyurethane foam. The silicone coating provides protection from ultraviolet light, water penetration, and mechanical damage. The silicone coating comprises a particular organosilicon resin, an hydroxy-ended silicone polymer, fillers, and an organotin catalyst.

Abstract: In a process of the preparation of flexible polyester urethane foams by reacting polyester polyols having at least two hydroxyl groups in the molecule with at least difunctional polyisocyanates in the presence of water, optionally of physical blowing agents, catalysts, stabilizers and optionally of other conventional additives, the following two components are added for catalysis in the form of a mixture to the reaction formulation in the amounts given (which are based on the polyester polyol):(a) 0.2 to 1.5 weight percent of N,N'-dimethylpiperazine,(b) 0.05 to 0.5 weight percent of a polysiloxane-polyoxyalkylene block copolymer of the general formula ##STR1## in which R.sup.1 is a polyoxyalkylene radical of the general formula--(CH.sub.2).sub.3 O(C.sub.m H.sub.2m O).sub.n R.sup.2in whichR.sup.2 is an alkyl radical with 1 to 4 carbon atoms;m=2 or 3, the average value of m being 2 to 2.5:n=a whole number corresponding to a molecular weight for the R.sup.

Abstract: An improved process is disclosed for the preparation of a cured substantially closed cell phenolic resin foam by preparing a mixture of a foamable phenol-aldehyde resin, a blowing agent, and an acid catalyst, allowing the mixture to foam, and curing the phenolic foam, wherein the improvement comprises:(a) maintaining the water content of the foamable mixture below about 14% by weight,(b) using a resin-soluble acid catalyst,(c) adding at least a minimum amount of two parts per hundred resin of surfactant to the mixture prior to foaming, and(d) adding a member of the lactone family to the mixture prior to foaming.

Abstract: Polyurethane modified polyurea foams having a finer cell structure and an increased volume of finished product are prepared by reacting crude organic di- or polyisocyanates with a mixture of polyether polyols and an alkylene or dialkyl carbonate in the presence of a tertiary amine catalyst, a silicone surfactant and a blowing agent selected from water, which reacts with the di- or polyisocyanate to generate CO.sub.2, fluorocarbons having a boiling point below 60.degree. C. and mixed with water and methylene chloride mixed with water.

Abstract: In a process of preparing a polyisocyanurate foam, which process comprises: reacting a plasticized polyisocyanate in the presence of a trimerization catalyst and an expanding amount of an inert blowing agent to provide a polyisocyanurate foam, the improvement which comprises: carrying out the reaction in the presence of from about four to twenty percent by weight of a surface-active organic silicone compound characterized by an active hydrogen functionality, and having a hydroxyl number of greater than about 30 and an equivalent weight of less than about 2000 and in the presence of a nonvolatile plasticizer to provide a polyisocyanurate foam of improved friability and good flame, heat and stability properties.

Abstract: An absorbent floor cleaning and waxing composition is disclosed comprising shreds of a hydrophilic, open-celled, solids-loaded polyurethane foam having an aqueous wax emulsion releasably incorporated therein. The composition is effective to replace soiled coatings of floor wax with fresh floor wax.

Abstract: Copolyester polyol resins comprising the reaction product of an aromatic component selected from phthalic derivatives, polyethylene terephthalate, or dimethyl terephthalate, an aliphatic component selected from certain dibasic compounds, at least one primary hydroxyl glycol, and at least small amounts of a secondary hydroxyl glycol, the mole ratios of the components being:(a) glycols to aromatic plus aliphatic component of from about 1.3 to 2:1;(b) aromatic component to aliphatic component of from about 0.6 to 4.0:1;(c) a secondary to primary hydroxyl glycol of from 0.05 to 0.4:1; and(d) ethylene glycol content to aromatic component of from about 0.01 to 0.5:1.0.The invention also comprises polyol blends utilizing from 30 percent up to 90 percent of such resins and resultant polyurethane modified polyisocyanurate foams made by reacting such polyol blends with polymeric polymethylene polyphenylisocyanate.

Abstract: The present invention relates to one component polyurethane foam compositions which comprise mixtures of prepolymers of a polyol and an excess of isocyanate; the usual adjuvants for polyurethane foams, an expanding gas under pressure and a polysiloxane compound with antifoam activity stored in a valved pressure vessel.

Abstract: A process for preparing a predominately closed cell foam having an improved load bearing resiliency together with the improved polyurethane foam product, the process comprising co-reacting a fluid high-solids polymer/polyol and an organic polyisocyanate in the presence of an organo-tin catalyst, a tertiary amine catalyst, a blowing agent, a silicone-oxyalkylene surfactant and a critical amount of a filled diorganosilicone oil anti-foaming agent.

Abstract: Generally closed cell phenolic foams are prepared which have a K-factor of less than 0.2, preferably from about 0.116 to about 0.170 Btu/hr - .degree.F. - ft - .sup.2 per inch of foam thickness when measured at 24.degree. Centigrade. The foams are prepared from a resole resin which has been stripped to a water level of less than 7 percent by weight, preferably from about 3 to about 6 percent by weight based on resin weight. A viscosity adjusting amount of a solvent, such as phenol, and from about 10 to about 20 weight percent, based on resin weight, of a polyglycol are also part of a foam forming formulation. Conventional surfactants, blowing agents and acidic catalysts are used to prepare the foams. The foams so prepared generally have no tendency to autoxidize when placed in an oven heated to a temperature of 250.degree. Centigrade. The foams so prepared also have enhanced resistance to flame penetration.

Abstract: In a process for producing rigid polyurethane foams, polysiloxane-polyoxyalkylene block copolymers having the formula ##STR1## are used, in which A represents polyoxyalkylene blocks A.sup.1 or A.sup.2 having the formula --R.sup.2 --O--(C.sub.m H.sub.2m O).sub.y R.sup.1, which are linked to silicon by an SiC bond and in which R.sup.1 represents a hydrogen atom or an alkyl radical with 1 to 4 carbon atoms, R.sup.2 represents a bridging group, y is a whole number, and m has a value of 2.0 to 2.6, with the proviso that:a. the A.sup.1 blocks comprise 70 to 100 weight percent oxyethylene units, the remainder being oxypropylene units, and have a molecular weight from about 250 to 1,000,b. the A.sup.2 blocks comprise 35 to 65 weight percent oxyethylene units, the remainder being oxypropylene units, and have a molecular weight from about 600 to 1,500,c. the molar ratio of the A.sup.1 block to the A.sup.2 blocks is 85:15 to 15:85 and there is at least one block of A.sup.1 and block of A.sup.

Abstract: Homogenous liquid polyol blend compositions containing (a) certain aliphatic polyols, (b) phthalate diester polyols of said aliphatic polyols, and (c) trimellitate polyols of said aliphatic polyols. Such polyol blend compositions are useful in making homogenous liquid resin prepolymer blends compositions containing, in addition to such a polyol blend, fluorocarbon blowing agent, cell stabilizing surfactant, and urethane and/or isocyanurate catalyst. Such a resin prepolymer blend composition is suitable for reaction with organic isocyanates to produce cellular polyurethane and/or polyisocyanurate polymers.

Abstract: In a process for preparing a smoke-retardant polyisocyanurate foam by reacting an organic polyisocyanate in the presence of a blowing agent and an isocyanate-trimerization catalyst, the improvement comprising conducting the reaction by adding 0.5 to 6 wt. % as Si to the total components of the foam of an organosilicone surfactant having a Si content of 4-22%, and selected from an organopolysiloxane-poly-oxyalkylene copolymer, polyvinylsilane having polyoxyalkylene side chain or modified products thereof wherein the mole % of the ethylene oxide units of the polyoxyalkylene moiety of the organosilicone surfactant is greater than 40 mole % based on the total number of ethylene oxide and propylene oxide units in said polyoxyalkylene moiety.

Abstract: The invention provides a novel silicone-containing curable composition capable of foaming by virtue of the blowing agent contained therein together with a curable liquid silicone composition. The composition is suitable for the water-repellent and waterproof treatment of fabric materials without decreasing the air and moisture permeability of the treated fabric material.

Abstract: A polyurethane composition containing a polyurethane prepolymer, a foam stabilizer, a diluent, and optional auxiliary agents, useful as an adhesive for building insulation and/or decorative facing on a variety of substrates.

Abstract: Substrates having a backing of fine celled polyurethane foam are prepared by applying to the back of the substrate a frothed polyurethane forming composition containing small amounts of a silicone surfactant having an average molecular weight below about 30,000 which provides the resultant foam with a cell count value of greater than about 16 per 0.0025 square inches and wherein the unfilled, unfrothed liquid components of said polyurethane forming composition obtains a viscosity of greater than 10,000 centipoise in less than 40 minutes at 25.degree. C.

Abstract: The invention relates to a process for the manufacture of highly resilient, cold-curing polyurethane foams with the distinctive feature that polysiloxane-polyoxyalkylene block copolymers with the following characteristics are used as foam stabilizers:(a) the polysiloxane block is linear or branched and contains an average of 4 to 25 silicon atoms, wherein the organic radicals linked to the silicon atoms are polyoxyalkylene or methyl radicals and up to 30% of the methyl radicals can be replaced by substituted alkyl radicals with 1 to 4 carbon atoms, and/or phenyl radicals, and mixtures thereof;(b) the polyoxyalkylene portion consists of at least two polyoxyalkylene blocks, A.sub.1 and A.sub.2, which are formed from oxyethylene and oxypropylene units, wherein block A.sub.1 is formed from 45 to 100 mole percent of oxyethylene units and 55 to 0 mole percent of oxypropylene units and block A.sub.

Abstract: A polyether based polyurethane foam is disclosed which contains high levels of reinforcing graft copolymer polyols. The graft copolymer polyol serves to open cells and to add firmness to the foam. This foam is stabilized by incorporating a blend consisting essentially of 3 to 22 weight percent of a surfactant designed for conventional urethane foams, with 78 to 97 weight percent of a surfactant designed for molded high resiliency urethane foams. The surfactants are of the polysiloxane-polyoxyalkylene copolymer type. The method of preparing this foam is also disclosed.

Abstract: Disclosed is an improved polyurethane foam having cleaning and germicidal activities. The foam is prepared by mixing together a select prepolymer reactant and water, and adding to the mixture prior to foam formation a nonionic surfactant, a quaternary ammonium compound and a silicon-based surfactant. The resulting foam is particularly useful as a disposable wiping pad for household clean-up applications.

Abstract: The invention relates to reaction injection molded elastomers derived from high molecular weight amine terminated polyethers and/or high molecular weight polyols, a chain extender, a polyisocyanate and an epoxy modified filler material. The reaction injection molded (RIM) elastomers of this invention are useful, for example, as automobile body parts.

Abstract: Disclosed is an improved process for the production of organic polyisocyanate based molded polymers prepared from at least one organic polyisocyanate and at least one polyol in the presence of an internal release agent wherein the improvement comprises employing as said agent a polysiloxane having at least one unit of the formula ##STR1## wherein R is selected from the group consisting of lower-alkyl and aryl, R.sup.1 is a divalent hydrocarbon radical, and R.sup.2 is selected from the group consisting of lower-alkoxy, aryloxy, particular hydroxyalkyleneoxy, alkoxyalkyleneoxy, amino, and hydroxyalkylamino radicals.The molding process can be repeated in many cycles before the molds require cleaning or treatment with release agent. The ease and rapidity with which the present process can be carried out makes it particularly suited to RIM production methods.

Abstract: An improved game ball is manufactured from a polyurethane foam prepared from a hydroxyl-containing diene polymer, a catalyst system comprised of a tin compound and a tertiary amine and a surfactant system comprised of a non-hydrolyzable silicone-polyether copolymer and a polydialkylsiloxane.

Abstract: A nylon foam product produced by frothing in an intensive mixer a reaction mixture of catalyst, caprolactam and polyol prepolymer in the presence of a surfactant and gaseous frothing agent.

Abstract: A polyester-melamine-isocyanurate thermosetting foam composition having improved flame, smoke and nonburning properties with good compressive strength, which foam composition is prepared by the admixture of a saturated polyester resin, a flame-retardant amount of melamine, a methylene diisocyanate, in the presence of a silicone-glycol surfactant, a fluorocarbon blowing agent and a trimerization catalyst to provide a closed-cell thermosetting foam.

Abstract: The invention is a method of making a molded reaction injection molded elastomer which will release from its mold with reduced frequency of application of external mold release agents. The reaction injection molded (RIM) elastomer is made by injecting exactly two streams via a RIM machine into a mold cavity of the desired configuration, a formulation comprising in the first stream a high molecular weight polyhydric polyether, a low molecular weight active hydrogen containing compound of at least two functionality and an internal mold release agent, and in the second stream an aromatic polyisocyanate and tin catalyst in an amount equal to 100% of the tin catalyst present in the formulation. The resulting RIM elastomer may be removed from the mold easily. RIM elastomers are useful, for example, for automobile body parts.

Abstract: Foams having improved flammability characteristics are prepared by reacting a polyaryl polyalkylene polyisocyanate with 2 to 15 parts of an active hydrogen compound having a molecular weight of from about 350 to about 10,000 and from one to six active hydrogen containing groups as determined by the Zerewitinoff method in the presence of a blowing agent, a stabilizer and a catalyst.

Abstract: Copolyester polyol resins comprising the reaction product of an aromatic component, an aliphatic component selected from certain dibasic compounds, at least one primary hydroxyl glycol, and at least one secondary hydroxyl glycol, the mole ratios of the components being:(i) glycols to aromatic plus aliphatic component of about 1.3 to 2:1,(ii) aliphatic component to aromatic component of about 0.3 to 1.7:1, and(iii) primary glycol to secondary glycol of about 0.6 to 2.5:1.The invention also comprises foamable blends utilizing such resins and resultant polyisocyanurate foams.

Abstract: The invention is a method of making a molded reaction injection molded elastomer which will release from its mold without the presence of externally applied mold release agents. The reaction injection molded (RIM) elastomer is made by injecting exactly two streams via a RIM machine into a mold cavity of the desired configuration, a formulation comprising in the first stream amine terminated polyethers of greater than 1,500 molecular weight, an amine terminated chain extender and an internal mold release agent, and in the second stream an aromatic polyisocyanate. The resulting RIM elastomer may be removed from the mold easily. RIM elastomers are useful, for example, for automobile body parts.

Abstract: A flame-retardant, rigid, thermosetting foam product is prepared by reacting, in the presence of a blowing agent and a catalyst, particularly an organic metal catalyst, a furfural alcohol polymer, a phenol-formaldehyde resin, a melamine and methylene diphenyl isocyanate, which reaction provides for a rigid foam characterized by low friability and good heat- and flame-resistant properties.

Abstract: A process of producing a modified polyester foam having a density of 0.