Abstract: Disclosed is a vulcanizable rubber composition for use in an air spring, which has excellent low-temperature behavior, and a vulcanized rubber formed product for air springs, which is obtained by vulcanization of the rubber composition. Also disclosed is a vulcanizable rubber composition for use in an air spring, comprising: an epihalohydrin-based copolymer comprising 50 to 70 mol % of a constituent unit derived from ethylene oxide and/or propylene oxide, 20 to 50 mol % of a constituent unit derived from epihalohydrin, and 0 to 15 mol % of a constituent unit derived from allyl glycidyl ether; a vulcanizing agent; a plasticizer; and an acid acceptor, and a rubber formed product for air springs, which is obtained by vulcanization of the composition.

Abstract: Disclosed is a vulcanizable rubber composition for use in an air spring, which has excellent low-temperature behavior, and a vulcanized rubber formed product for air springs, which is obtained by vulcanization of the rubber composition. Also disclosed is a vulcanizable rubber composition for use in an air spring, comprising: an epihalohydrin-based copolymer comprising 50 to 70 mol % of a constituent unit derived from ethylene oxide and/or propylene oxide, 20 to 50 mol % of a constituent unit derived from epihalohydrin, and 0 to 15 mol % of a constituent unit derived from allyl glycidyl ether; a vulcanizing agent; a plasticizer; and an acid acceptor, and a rubber formed product for air springs, which is obtained by vulcanization of the composition.

Abstract: An object of the present invention is to provide a hologram recording material composition comprising a radical polymerizable compound being solid at an ordinary temperature and having a 9,9-diarylflourene skeleton, a polymeric binder and a plasticizer, the composition being excellent in transparency and diffraction efficiency, which are characteristics required for a hologram. The hologram recording material composition comprises a thermoplastic resin (A) which is soluble in a solvent, a radical polymerizable compound (B) which is solid at an ordinary temperature and at ordinary pressure and has the 9,9-diarylfluorene skeleton and at least one radical polymerizable unsaturated double bond, a plasticizer (C) and a photopolymerization initiator (D). A weight percentage ratio of the thermoplastic resin (A), the radical polymerizable compound (B) and the plasticizer (C), (A):(B):(C) is 10 to 80:10 to 80:10 to 80.

Abstract: An object of the present invention is to provide a hologram recording material composition which is excellent in transparency and diffraction efficiency. The hologram recording material composition comprises a thermoplastic resin (A) which is soluble in a solvent, a radical polymerizable compound (B) which is solid at an ordinary temperature and at ordinary pressure and has the 9,9-diarylfluorene skeleton and at least one radical polymerizable unsaturated double bond, a plasticizer (C) and a photopolymerization initiator (D). A weight percentage ratio of the thermoplastic resin (A), the radical polymerizable compound (B) and the plasticizer (C), (A):(B):(C) is 10 to 80:10 to 80:10 to 80. A refractive index of the radical polymerizable compound (B) is larger than a weighted mean of that of the thermoplastic resin (A) and that of the plasticizer (C).

Abstract: A polymer solid electrolyte obtained by blending (1) a polyether copolymer having a main chain derived form ethylene oxide and an oligooxyethylene side chain, (2) an electrolyte salt compound, and (3) a plasticizer of an aprotic organic solvent or a derivative or metal salt of a polyalkylene glycol having a number-average molecular weight of 200 to 5,000 or a metal salt of the derivative is superior in ionic conductivity and also superior in processability, moldability and mechanical strength to a conventional solid electrolyte. A secondary battery is constructed by using the polymer solid electrolyte in combination with a lithium metal negative electrode and a lithium cobaltate positive electrode.

Abstract: A crosslinked material of a polyether copolymer comprising: (A) 1 to 98% by mol of a repeating unit derived from a monomer represented by the formula (I): (B) 95 to 1% by mol of a repeating unit derived from a monomer represented by the formula (II): (C) 0.005 to 15% by mol of a repeating unit derived from a monomer having one epoxy group and at least one reactive functional group; provides a polymer solid electrolyte which is superior in ionic conductivity and also superior in processability, moldability, mechanical strength and flexibility, furthermore thermal resistance.

Abstract: A polymer solid electrolyte obtained by blending (1) a polyether copolymer having a main chain derived form ethylene oxide and an oligooxyethylene side chain, (2) an electrolyte salt compound, and (3) a plasticizer of an aprotic organic solvent or a derivative or metal salt of a polyalkylene glycol having a number-average molecular weight of 200 to 5,000 or a metal salt of the derivative is superior in ionic conductivity and also superior in processability, moldability and mechanical strength to a conventional solid electrolyte. A secondary battery is constructed by using the polymer solid electrolyte in combination with a lithium metal negative electrode and a lithium cobaltate positive electrode.

Abstract: A polymer solid electrolyte which is superior to a conventional solid electrolyte in ion conductivity and also superior in processing characteristics, molding characteristics, mechanical strength and flexibility. The polymer solid electrolyte produced by formulating a soluble electrolyte salt compound to a polyether copolymer having an oligooxyethylene side chain and an electrolyte salt compound which is soluble in the polyether copolymer, the polyether polymer being a solid random copolymer having a main chain structure consisting of 5 to 30 molar % of a structural unit of the following formula (1) and 95 to 70 molar % of a structural unit of the following formula (2), and the polyether polymer having a polymerization degree n of an oxyethylene unit of the side chain part of the formula (1) of 1 to 12, a number-average molecular weight of 100,000 to 2,000,000, a glass transition point measured by a differential scanning calorimeter (DSC) of not more than -60.degree. C.

Abstract: A resin composition is provided which comprises a mixture of A) 100 parts by weight of an ABS graft copolymer comprising as component monomers an acrylonitrile compound and a vinyl aromatic compound in a weight ratio of 10:90 to 50:50, and B) 5 to 30 parts by weight of an ethylene oxide copolymer comprising ethylene oxide as a first monomer and a second monomer and containing at least 50 wt. % of ethylene oxide, the ethylene oxide copolymer having a refractive index (n.sub.D.sup.20) of at least 1.50, wherein said second monomer has a refractive index of at least 1.54 and is 2-phenylphenyl glycidyl ether or 1-naphthyl glycidyl ether, and wherein the molecular weight of the ethylene oxide copolymer is 1 to 5 in terms of a reduced viscosity as measured at 80.degree. C. using 0.1 g/dl monochlorobenzene solution thereof.

Abstract: A vulcanizable composition which contains(a) 100 parts by weight of an epichlorohydrin polymer;(b) 0.1 to 10 parts by weight of a 2,3-dimercaptopyrazine derivative or a 2,3-dimercaptoquinoxaline derivative; and(c) 1 to 10 parts by weight of a hydrotalcite compound, has the high vulcanization rate and the excellent long time storage stability.

Abstract: A curable composition of an epichlorohydrin rubber and an acrylic rubber composed of(1) 100 parts by weight of (a) 10-97% by weight of an epichlorohydrin rubber and (b) 3-90% by weight of an epoxy-containing acrylic rubber,(2) as a crosslinking agent, about 0.1 to about 10 parts by weight of a 2,3-dimercapto-pyrazine or -quinoxaline compound having the following formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in claim 1 and(3) as an acid acceptor, about 0.1 to about 50 parts by weight of a compound of a metal of Group II or IVa of the periodic table.

Abstract: A curable composition of a halogen-containing polymer composed of(1) 100 parts by weight of a halogen-containing polymer,(2) as a crosslinking agent, about 0.1 to about 10 parts by weight of a 2,3-dimercapto-pyrazine or -quinoxaline compound having the following formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are identical or different and represent hydrogen or organic radicals, and(3) as an acid acceptor, about 0.5 to about 50 parts by weight of a compound of a metal of Group II of IVa of the periodic table.

Abstract: A curable composition of halogen-containing polymer composed of(1) 100 parts by weight of a halogen-containing polymer,(2) as a crosslinking agent, about 0.1 to about 10 parts by weight of a 2,4-dithiohydantoin having the formula ##STR1## wherein R.sub.1 and R.sub.2 are identical or different and represent a member selected from the class consisting of a hydrogen atom, C.sub.1 -C.sub.8 alkyl groups, C.sub.6 -C.sub.8 cycloalkyl groups, C.sub.2 -C.sub.8 alkenyl groups, C.sub.6 -C.sub.8 aryl groups and C.sub.7 -C.sub.8 aralkyl groups, or R.sub.1 and R.sub.2 are bonded together to form a 5- or 7-membered hydrocarbon ring which may contain a nitrogen atom and have at least one lower alkyl group as a substituent,or a metal salt thereof, and(3) as an acid acceptor, about 0.5 to about 50 parts by weight of a compound of a metal of Group II of IVa of the periodic table.

Abstract: A curable composition consisting essentially of(1) 100 parts by weight of a halogen-containing polymer,(2) 0.1 to 10 parts by weight of a substituted mono- or di-thiobiurea as a crosslinking agent having the formula ##STR1## wherein R.sup.1, R.sup.2 and X are as defined in claim 1 and (3) 0.5 to 50 parts by weight of a compound of a metal of Group II or IVa of the periodic table as an acid acceptor.

Abstract: A cured or uncured chlorinated polyethylene composition comprising(A) chlorinated polyethylene,(B) a complex formed between hexamethylphosphoric triamide and a member selected from the group consisting of carboxylic acids, cyanuric acid, substituted or unsubstituted phenols, alcohols and metal salts, and(C) a member selected from the group consisting of (a) a mercaptotriazine, (b) a thiuram disulfide and (c) sulfur. And a process for curing chlorinated polyethylene, which comprises heating it in the presence of (B) and (C) at a temperature of about 100.degree. to about 200.degree. C.

Abstract: A cured or uncured chlorinated polyethylene composition free from hexamethyl-phosphoric triamide complex comprising (A) chlorinated polyethylene, (B) a mercaptotriazine as cross-linking agent, (C) a cross-linking accelerator selected from the group consisting of specified dithiocarbamic compounds, secondary and tertiary amines, and the carboxylates, mercaptothiazole salts, dithiocarbamates and dithiophosphates of said secondary and tertiary amines and the benzothiazylsulfenamides of said secondary amines, and (D) an acid acceptor of metal compounds; as well as a process for curing uncured chlorinated polyethylene which comprises heating same in the absence of hexamethylphosphoric triamide complex in the presence of (B), (C) and (C) at a temperature of about 120.degree. to about 200.degree. C.

Abstract: A curable composition consisting essentially of(1) 100 parts by weight of a halogen-containing polymer,(2) 0.1 to 10 parts by weight of a 3,5-dimercapto-1,2,4-triazole compound defined in claim 1 as a crosslinking agent,(b) 0.5 to 50 parts by weight of a compound of a metal of group II or IVa of the periodic table as an acid acceptor.

Abstract: A cured or uncured chlorinated polyethylene composition comprising(A) chlorinated polyethylene,(B) a complex formed between hexamethylphosphoric triamide and a member selected from the group consisting of carboxylic acids, cyanuric acid, substituted or unsubstituted phenols, alcohols and metal salts, and(C) a member selected from the group consisting of (a) a mercaptotriazine, (b) a thiuram disulfide and (c) sulfur. And a process for curing chlorinated polyethylene, which comprises heating it in the presence of (B) and (C) at a temperature of about 100.degree. to about 200.degree. C.

Abstract: A cured or uncured chlorinated polyethylene composition free from hexamethylphosphoric triamide complex comprising (A) chlorinated polyethylene, (B) a mercaptotriazine as cross-linking agent, (C) a cross-linking accelerator selected from the group consisting of specified dithiocarbamic compounds, secondary and tertiary amines, and the carboxylates, mercaptothiazole salts, dithiocarbamates and dithiophosphates of said secondary and tertiary amines and the benzothiazylsulfenamides of said secondary amines, and (D) an acid acceptor of metal compounds; as well as a process for curing uncured chlorinated polyethylene which comprises heating same in the absence of hexamethylphosphoric triamide complex in the presence of (B), (C) and (D) at a temperature of about 120.degree. to about 200.degree. C.