Abstract: To provide a process for producing a flexible polyurethane foam having a higher biomass degree than a conventional flexible polyurethane foam and excellent in foam physical properties and its appearance. A polymer-dispersed polyol obtained by polymerizing a vinyl monomer in the presence of the following polyol (a1) derived from a natural fat/oil and/or the following polyoxyalkylene polyol (a2) is used: Polyol (a1) derived from a natural fat/oil: a polyol derived from a natural fat/oil, which is obtained by providing a natural fat/oil with hydroxy groups by chemical reaction, and which has a hydroxy value of from 20 to 250 mgKOH/g and a molecular weight distribution of at least 1.

Abstract: To provide a process for producing a flexible polyurethane foam having a higher biomass degree than a conventional flexible polyurethane foam and excellent in foam physical properties and its appearance. A polymer-dispersed polyol obtained by polymerizing a vinyl monomer in the presence of the following polyol (a1) derived from a natural fat/oil and/or the following polyoxyalkylene polyol (a2) is used: Polyol (a1) derived from a natural fat/oil: a polyol derived from a natural fat/oil, which is obtained by providing a natural fat/oil with hydroxy groups by chemical reaction, and which has a hydroxy value of from 20 to 250 mgKOH/g and a molecular weight distribution of at least 1.

Abstract: To provide a simple and economical process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, which does not require purification of the raw material component obtained in the form of a mixture of isomers, and a process for producing 2,3,3,3-tetrafluoropropene from the product thereby obtained. A process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, characterized by bringing a mixture of dichloropentafluoropropane isomers which contains 1,1-dichloro-2,2,3,3,3-pentafluoropropane into contact with an aqueous alkali solution in the presence of a phase transfer catalyst, and thereby selectively dehydrofluorinating only the 1,1-dichloro-2,2,3,3,3-pentafluoropropane in the mixture, and a process for producing 2,3,3,3-tetrafluoropropene from the 1,1-dichloro-2,3,3,3-tetrafluoropropene thereby obtained.

Abstract: To provide a polymer-dispersed polyol made by using materials derived from a natural fat/oil, which has a low viscosity, without lowering the biomass degree and without impairing the performance of a flexible polyurethane foam to be obtained. Further, to provide a process for producing a flexible polyurethane foam using the polymer-dispersed polyol. A polymer-dispersed polyol, comprising polymer particles dispersed in a matrix containing a polyol (a1) derived from a natural fat/oil and an epoxidized natural fat/oil (x). And, a process for producing a flexible polyurethane foam, which comprises reacting a polyol containing the above polymer-dispersed polyol and a polyisocyanate compound in the presence of a catalyst and a blowing agent.

Abstract: To provide a simple and economical process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, which does not require purification of the raw material component obtained in the form of a mixture of isomers, and a process for producing 2,3,3,3-tetrafluoropropene from the product thereby obtained. A process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, characterized by bringing a mixture of dichloropentafluoropropane isomers which contains 1,1-dichloro-2,2,3,3,3-pentafluoropropane into contact with an aqueous alkali solution in the presence of a phase transfer catalyst, and thereby selectively dehydrofluorinating only the 1,1-dichloro-2,2,3,3,3-pentafluoropropane in the mixture, and a process for producing 2,3,3,3-tetrafluoropropene from the 1,1-dichloro-2,3,3,3-tetrafluoropropene thereby obtained.

Abstract: A hydroxy compound is provided whereby a polyurethane excellent in elongation property can be produced. A hydroxy compound represented by the formula B-Am, wherein A is a univalent group which has a terminal hydroxy group and a carbonate chain composed of an ether unit produced by ring-opening of a monoepoxide and a carbonyloxy unit [—OC(O)—] linked to each other, and B is a m-valent residue produced by removing all hydroxy groups from a polycarbonate having m hydroxy groups at the terminals, provided that —O—R— in the repeating unit [—OC(O)—O—R—] of the polycarbonate is an ether unit other than an ether unit produced by ring-opening of a monoepoxide.

Abstract: To provide a process for producing a flexible polyurethane foam having a higher biomass degree than a conventional flexible polyurethane foam and excellent in foam physical properties and its appearance. A polymer-dispersed polyol obtained by polymerizing a vinyl monomer in the presence of the following polyol (a1) derived from a natural fat/oil and/or the following polyoxyalkylene polyol (a2) is used: Polyol (a1) derived from a natural fat/oil: a polyol derived from a natural fat/oil, which is obtained by providing a natural fat/oil with hydroxy groups by chemical reaction, and which has a hydroxy value of from 20 to 250 mgKOH/g and a molecular weight distribution of at least 1.

Abstract: To provide a process for producing, simply and with high reproducibility, a double metal cyanide complex catalyst having an organic ligand, which has a high catalytic activity, a small particle size and a high particle size uniformity. A process for producing a double metal cyanide complex catalyst having an organic ligand, comprising (a) a step of contacting an aqueous metal halide compound solution and an aqueous transition metal cyanide compound solution in a laminar flow state to obtain a liquid containing a double metal cyanide complex, and (b) a step of mixing the liquid containing a double metal cyanide complex, and an organic ligand, to obtain a dispersion containing a double metal cyanide complex catalyst having an organic ligand.

Abstract: To provide a process for producing a flexible polyurethane foam, which can suitably form a flexible polyurethane foam having a good cushioning characteristic by using a raw material derived from a natural fat/oil. The process comprises a step of reacting a polyoxyalkylene polyol (A) containing the first polyoxyalkylene polyol (A1) obtained by ring-opening polymerization of an alkylene oxide (c) with an initiator (b) in the presence of a polymerization catalyst (a), with a polyisocyanate compound (B) in the presence of a catalyst (C) and a blowing agent (D).

Abstract: A fluorine-containing coating composition comprising from 30 to 90 wt % of a fluorine-containing copolymer containing units derived from a fluoroolefin and units derived from a vinyl ether and having a hydroxyl value of from 30 to 150 (mgKOH/g) and an epoxy equivalent of from 300 to 2,000 (g/eq) and from 10 to 70 wt % of a curing agent having carboxylic acid groups or a derivative thereof.