Abstract: An object of the present invention is to provide a polyphenol-containing solid composition that enables efficient ingestion of a polyphenol. This object can be achieved by a solid composition containing (1) an amorphous poorly water-soluble polyphenol, (2) a hydrophilic polymer, and (3) at least one nonionic surfactant selected from the group consisting of polyglycerol fatty acid esters, sucrose fatty acid esters, and lecithins.

Abstract: The present invention offers a forward osmosis composite hollow fiber membrane module having hollow fiber bundles comprising a plurality of hollow fibers, the hollow fibers having a separation layer composed of a macromolecular polymer thin film provided on the inner surface of a microporous hollow fiber supporting membrane, wherein the membrane area of the hollow fiber bundle is at least 1 m2, and a variation coefficient for the average thickness of the separation layer in the radial direction and the lengthwise direction of the hollow fiber bundles, as calculated by a method of measuring the mass of the separation layer portion in a scanning electron microscope image of a cross section of the separation layer in the thickness direction, is 0% to 60%.

Abstract: An object of the present invention is to provide a polyphenol-containing solid composition that enables efficient ingestion of a polyphenol. This object can be achieved by a solid composition containing (1) an amorphous poorly water-soluble polyphenol, (2) a hydrophilic polymer, and (3) at least one nonionic surfactant selected from the group consisting of polyglycerol fatty acid esters, sucrose fatty acid esters, and lecithins.

Abstract: The present invention offers a forward osmosis composite hollow fiber membrane module having hollow fiber bundles comprising a plurality of hollow fibers, the hollow fibers having a separation layer composed of a macromolecular polymer thin film provided on the inner surface of a microporous hollow fiber supporting membrane, wherein the membrane area of the hollow fiber bundle is at least 1 m2, and a variation coefficient for the average thickness of the separation layer in the radial direction and the lengthwise direction of the hollow fiber bundles, as calculated by a method of measuring the mass of the separation layer portion in a scanning electron microscope image of a cross section of the separation layer in the thickness direction, is 0% to 60%.

Abstract: The disclosure provides a solvent separation system and a solvent separation method using the solvent separation system.

Abstract: Disclosed is a cellulose nonwoven fabric containing cellulose fibers having a maximum fiber diameter of not more than 1500 nm and a crystallinity determined by solid state NMR techniques of not less than 60%. The porosity of the cellulose nonwoven fabric is not less than 40% and not more than 99%.

Abstract: Disclosed is a cellulose nonwoven fabric containing cellulose fibers having a maximum fiber diameter of not more than 1500 nm and a crystallinity determined by solid state NMR techniques of not less than 60%. The porosity of the cellulose nonwoven fabric is not less than 40% and not more than 99%.

Abstract: Disclosed is a coating composition for use in producing an insulating thin film, comprising: (A) at least one silica precursor comprised of at least one compound selected from the group consisting of an alkoxysilane and a hydrolysis product thereof; (B) at least one organic polymer; (C) water; (D) at least one alcohol; and optionally (E) an organic solvent for a mixture of the components (A), (B), (C) and (D); wherein the weight ratio (WR) of the water (C) to the at least one silica precursor (A) satisfies the formula 0.01<WR<10, and the weight of the water (C) is larger than that of the at least one alcohol (D), with the proviso that when the at least one organic polymer (B) is insoluble in a mixture of the water (C) and the alcohol (D), the coating composition comprises all of the components (A) to (E).

Abstract: Disclosed is a coating composition for use in producing an insulating thin film, comprising:

Abstract: There are disclosed a polyacetal composition comprising(A) 70-97% by weight of a polyacetal and(B) 30-3% by weight of a transparent polyamide elastomer represented by the general formula ##STR1## in which PA and G represent the groups specified as in the body of the text;said polyamide elastomer exhibiting a relative viscosity of at least 1.5 in m-cresol at 30.degree. C. and at a polymer concentration of 0.5 g/dl anda 1-mm thick sheet of the polyamide elastomer having a haze of not more than 75%, and streched and oriented polyacetal material using it.

Abstract: A polyamide elastomer having a structure of dehydration condensate between(A) a polycapramide having a number average molecular weight of 500-5,000 and having carboxyl end groups, which is derived from caprolactam and a dicarboxylic acid having 4-20 carbon atoms selected from aliphatic dicarboxylic acids, alicyclic dicarboxylic acids and aromatic dicarboxylic acids and (B) a polyoxytetramethylene glycol having a number average molecular weight of 800-5,000 or a modified polyoxytetramethylene glycol having a number average molecular weight of 800-5,000 and having, in the molecular chain, the units represented by the general formula--O--R--wherein R is a branched chain alkylene group having 4-20 carbon atoms or a straight chain alkylene group having 5-20 carbon atoms, the units content being 50% by weight or a less; the weight ratio of the component (A) to the component (B) being from 10:90 to 60:40. The said elastomer has a relative viscosity of 1.5 or above in m-cresol (0.5 weight/volume %) at 30.degree. C.

Abstract: In purifying methyl methacrylate by feeding a feed mixture containing methanol, methyl methacrylate and 0.