Mitsubishi Engineering-plastics Corporation

Sekisui Kaseihin Kogyo Kabushiki Kaisha

Japan Polyethylene Corporation

Mitsubishi Gas Chemical Company, Inc.

Masayuki Nagai

Kei Takahashi

Kentaro Ishii

Kunihiko Fujimoto

Satoshi Nagai

Ryusuke Yamada

Takami Morishita

Yasuhiro Hirai

Tadashi Nishino

Makiko Oshima

Hidetoshi Nawata

Koki Sato

Ryusuke Tamaki

Kouki Adachi

Makoto Toyohara

The invention is a polyacetal resin composition containing a polyacetal resin (A) and a polyethylene resin (B), in which the blending proportion of the polyacetal resin (A) occupying in the total mass of the polyacetal resin (A) and the polyethylene resin (B) is 10 to 90 mass %, the melt flow rate of the polyacetal resin (A) measured at a condition of 190&#xb0; C. and 2.16 kg load is 30 g/10 minutes or less, and the polyethylene resin (B) consists of a modified polyethylene resin and the modification rate is 0.01 mass % or more based on 100 mass % of the total mass of the polyethylene resin and the melt flow rate of the polyethylene resin (B) measured at a condition of 190&#xb0; C. and 2.16 kg load is 2.5 g/10 minutes or less.

Polyacetal resin composition, composite molding using the same, and method for producing the same

Provided is a polyacetal resin composition in which at least one dihydrazone compound (B) selected from the group of two kinds of dihydrazone compounds is blended in 0.02 to 5 parts by mass with respect to 100 parts by mass of a polyacetal resin (A).

Polyacetal resin composition and resin molded article

A polyacetal resin composition containing 100 parts by weight of a polyacetal resin, 0.01 to 5 parts by weight of a colorant selected from inorganic and organic pigments, 0.01 to 3 parts by weight of a polyamide resin having a melting point or softening point of 180&#xb0; C. or less, or a polyetheresteramide resin, 0.01 to 1 part by weight of an aromatic dihydrazide compound or an aliphatic dihydrazide compound having a solubility of less than 1 g relative to 100 g of water at 20&#xb0; C., and 0.01 to 1 part by weight of a sterically hindered phenolic compound, or a combination of a hindered amine-based light stabilizer and an ultraviolet absorber, exhibits an excellent thermal stability and is capable of suppressing formaldehyde generation and mechanical strength deterioration.

Polyacetal resin composition, resin molded article, and method and agent for improving polyacetal resin raw material composition

A polyacetal resin composition which has improved friction-wear characteristics as compared with conventional polyacetal resin compositions and which is less restricted in counter sliding members and can conform to a wide range of friction-wear conditions. A polyacetal resin composition comprising 100 parts by weight of (A) a polyacetal resin, 0.1 to 10 parts by weight of (B) a polyethylene wax having a number average molecular weight of 500 to 15,000, 0.1 to 10 parts by weight of (C) a polyethylene resin having a number average molecular weight of 2&#xd7;10to 50&#xd7;10, and 0.1 to 5 parts by weight of (D) a silicone oil having a kinetic viscosity at 25&#xb0; C. of 50&#xd7;10cSt or more.

Polyacetal resin composition, process for producing the same, and sliding member molded from the resin composition

The presence of carbon dioxide contained in a gas can be detected through measurement of the change in the electrical resistance of a hydroxyapatite in contact with carbon dioxide gas. The sensitivity of the hydroxyapatite to carbon dioxide gas can be enhanced by the formation of a composite of the hydroxyapatite with an inorganic carbonate, e.g., sodium carbonate or calcium carbonate. The sensitivity to carbon dioxide gas can be further enhanced by the formation of a composite of the hydroxyapatite with an inorganic halide, e.g., calcium chloride.

Method of detecting carbon dioxide gas

Growing community of inventors

Kanagawa, Japan

Masayuki Nagai