53 results about "Aliphatic unsaturated hydrocarbon" patented technology

A composition comprising:(a) one or more copolymers selected from the group consisting of (I) a copolymer of ethylene and vinyl acetate containing about 10 to about 50 percent by weight vinyl acetate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; (II) a copolymer of ethylene and ethyl acrylate containing about 10 to about 50 percent by weight ethyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; and (III) a copolymer of ethylene and butyl acrylate containing about 10 to about 50 percent by weight butyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes, and based upon 100 parts by weight of component (a):(b) about 55 to about 200 parts by weight of a linear copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms, the copolymer having a melt mass flow rate of about 0.1 to about 30 grams per 10 minutes and a density of 0.870 to 0.944 gram per cubic centimeter;(c) about 5 to about 50 parts by weight of polypropylene having a melt mass flow rate of about 0.5 to about 30 grams per 10 minutes and a density of 0.900 to 0.920 gram per cubic centimeter;(d) about 2 to about 50 parts by weight of an organopolysiloxane having the following formula: R<1>xR<2>ySiO(4-a-b) / 2wherein R<1 >is an aliphatic unsaturated hydrocarbon group; R<2 >is an unsubstituted or substituted monovalent hydrocarbon group excluding aliphatic unsaturated hydrocarbon groups; x is equal to or greater than 0 but less than 1; y is greater than 0.5 but less than 3; x+y is greater than 1 but less than 3; a is greater than 0 but equal to or less than 1; and b is equal to or greater than 0.5 but equal to or less than 3;(e) about 10 to about 350 parts by weight of carbon black; and(f) optionally, up to about 2 parts by weight of an organic peroxide.

A gasket rubber product made of a cured material of a fluorosilicone rubber composition containing:100 parts by weight of an organopolysiloxane expressed by the following average composition formula:R1aR2bR3cSiO(4-a-b-c) / 2 wherein R1 indicates a trifluoropropyl group, R2 indicates a non-substituted or substituted monovalent aliphatic unsaturated hydrocarbon group having 2 to 8 carbon atoms, R3 indicates a non-substituted monovalent aliphatic saturated hydrocarbon group or aromatic hydrocarbon group having 1 to 8 carbon atoms, provided that a, b and c are positive numbers satisfying 0.96≦a≦1.01, 0.002≦b≦0.02, 0.96≦c≦1.06 and 1.98≦a+b+c≦2.02;5 to 100 parts by weight of a silica-based filler; anda catalyst quantity of a curing catalyst.

A gasket rubber product made of a cured material of a fluorosilicone rubber composition containing: 100 parts by weight of an organopolysiloxane expressed by the following average composition formula: R1aR2bR3cSiO(4-a-b-c) / 2 wherein R1 indicates a trifluoropropyl group, R2 indicates a non-substituted or substituted monovalent aliphatic unsaturated hydrocarbon group having 2 to 8 carbon atoms, R3 indicates a non-substituted monovalent aliphatic saturated hydrocarbon group or aromatic hydrocarbon group having 1 to 8 carbon atoms, provided that a, b and c are positive numbers satisfying 0.96≦a≦1.01, 0.002≦b≦0.02, 0.96≦c≦1.06 and 1.98≦a+b+c≦2.02; 5 to 100 parts by weight of a silica-based filler; and a catalyst quantity of a curing catalyst.

A fluorosilicone rubber composition is provided comprising (A) a first organopolysiloxane having the formula: R1aR2bR3cSiO(4-a-b-c) / 2 wherein R1 is trifluoropropyl, R2 is an aliphatic unsaturated hydrocarbon group, R3 is an aliphatic saturated hydrocarbon or aromatic hydrocarbon group, (B) a silica filler, (C) a second organopolysiloxane having formula (2) wherein R4 is an aliphatic unsaturated hydrocarbon group or the like, and (D) a cure catalyst. The fluorosilicone rubber composition affords satisfactory adhesion at the interface with dimethylsilicone rubber even when the molding pressure is low.

It is to provide a lubricating oil composition for a compression refrigerator, which is excellent in the thermal / chemical stability even when used in a compression refrigerator that uses a saturated fluorinated hydrocarbon refrigerant having a lower global warming potential and a fewer carbon atoms, by including in a base oil an organic compound having a double bond in a molecule, which is at least one kind selected from an organic compound having at least two non-conjugated double bonds in the molecule, a terpene compound having a double bond in the molecule, and C12 to C30 aliphatic unsaturated hydrocarbon having one double bond in the molecule.