A polylactic acid composition includes polylactic acid and a filler. An amount of the filler in the polylactic acid composition is 50% by mass or less, and the polylactic acid in the polylactic acid composition has a weight average molecular weight (Mw) of 150,000 or more and a molecular weight distribution (Mn/Mw) of 1.5 or more but 2.0 or less.

Provided is a resin composition comprising an ethylene-vinyl alcohol copolymer (A), a hydrate-forming metal salt (B), and a polyamide-based resin (C) that inhibits elution of a resin composition layer during hot water sterilization treatment of a multilayered structure including the resin composition layer, while suppressing odor during melt molding of the resin composition. An aromatic polyamide (C1) and an aliphatic polyamide (C2) are used for the polyamide-based resin (C) at a proportion of (C1)/(C2)=55/45-99/1.

A fluororubber composition containing a ternary fluororubber polymer including vinylidene fluoride, perfluorovinyl ether and tetrafluoroethylene; a reaction product of silica-aluminum silicate with vinyl ethoxysilane; and hydrotalcite. The fluororubber composition does not substantially contain magnesium oxide and calcium hydroxide. The fluororubber composition contains 2 to 55 parts by weight of the reaction product of silica-aluminum silicate with vinyl ethoxysilane and 0.5 to 10 parts by weight of the hydrotalcite relative to 100 parts by weight of the ternary fluororubber polymer.

A resin composition containing (a) a polyphenylene ether resin, (b) a polypropylene resin, (c) a compatibilizer, (d) an inorganic filler, and (e) a hydrotalcite-like compound, and a molded product obtained by molding the resin composition.

Disclosed herein is a homogeneous anion exchange membrane produced by subjecting a hydrophilic monomer having an ethylenically unsaturated group to free radical polymerization with a quaternary ammonium salt having an ethylenically unsaturated group, a crosslinking agent, and a photoinitiator. A molar ratio of the hydrophilic monomer to the quaternary ammonium salt is in a range from 1:0.1 to 1:0.7. A biosensing membrane prepared from the homogeneous anion exchange membrane is also disclosed.

The invention provides multilayer surface coverings each having a layer obtained from a filler- containing PVC plastisol and obtained from a filler-free PVC plastisol, each of which comprises a plasticizer composition comprising bis(2-ethylhexyl) cyclohexane-1,4-dicarboxylate. Such surface coverings may be used as floor coverings or as imitation leather.

Disclosed is a composite flame barrier which is developed with the aim of being used primarily in the defense industry. The barrier includes a first silicone blend layer which provides flame resistance, a carbon impregnated aerogel layer which provides lightness and thermal insulation and a second silicone blend layer which provides thermal insulation, mechanical strength and unification. A for the composite flame barrier is also disclosed.

A resin composition includes a vinyl group-containing polyphenylene ether resin, a polyolefin and a magnesium and aluminum combination ionic compound, wherein the magnesium and aluminum combination ionic compound has a thermal resistance of greater than or equal to 600° C. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and at least one of the following improvements can be achieved, including glass transition temperature, copper foil peeling strength, thermal resistance and dissipation factor.

The present invention improves the long-term storage stability of an organoborane-Lewis base complex. First composite particles of the present invention include particles of an organic polymer (B), and an organoborane-Lewis base complex (A) contained in the particles. Second composite particles of the present invention include particles of an inorganic compound (B′), and an organoborane-Lewis base complex (A) adsorbed on the particles.

This coating solution for a gas barrier contains an ammonium salt (A) of a polymer having a carboxyl group, a particulate multivalent metallic compound (B), and water, the content of the multivalent metallic compound (B) being about 0.5-2.0 times the chemical equivalent of the ammonium salt (A), and the mean particle diameter of the multivalent metallic compound (B) being about 4 μm or less.