Abstract: There is provided an olefin thermoplastic elastomer composition comprising the following components (A) and (B), said composition having been produced by first polymerizing a monomer of the component (A) and then polymerizing monomers of the component (B), said composition having such fractionation properties that, in temperature rising elution fractionation in the temperature range of 0 to 140° C. using o-dichlorobenzene as a solvent, the eluate obtained at 0° C. is 35 to 60% by weight based on the total elution weight and the eluate obtained at 80 to 100° C. is 1 to 5% by weight based on the total elution weight: (A) 30 to 60% by weight, based on the whole composition, of a propylene homopolymer component having an isotactic index of not less than 90%; and (B) 40 to 70% by weight, based on the whole composition, of a copolymer of propylene with other &agr;-olefin having 2 to 8 carbon atoms, said copolymer comprising propylene and ethylene as indispensable components.

Abstract: A resin composition comprising the following component A, component B and component C:component A of polyphenylene ether resin; component B of crystalline polyolefin resin; and component C of graft modified copolymer in which an unsaturated copolymer consisting of ethylene or at least one of .alpha.-olefins having 3 to 12 carbon atoms and at least one of chain nonconjugated dienes of the following general formula is modified with a monomer capable of radical polymerization such as styrene. ##STR1## This resin composition has an improved impact strength, keeping heat resistance and mechanical strength characteristic of polyphenylene ether resins, and molding properties and resistance to organic solvents characteristic of polyolefin resins.

Abstract: A resin composition comprising an olefin resin (A), a copolymer of olefin with non-conjugated diene (B) and at least one polymer (C) selected from the group consisting of the following polymers;C1: diene polymer containing a hydroxyl group or the hydrogenation product thereof,C2: polymer containing a hydroxyl group,C3: polymer containing a carboxyl group (including an acid anhydride group),C4: polymer containing an amino group and/or imino group, andC5: polymer containing an epoxy group; and optionally an elastomer (D), filler (E) and at least one compound (F) selected from the group consisting of the following compounds;F1: organotin compound,F2: tertiary amine compound, andF3: phosphorus oxy compound.The moldings prepared from this resin composition have remarkable adhesive properties for paints, adhesives and printing inks. Thus, paints, etc. may be applied directly to the moldings, without surface treatment or washing thereof.

Abstract: A random copolymer of (a) an .alpha.-olefin having 3 to 12 carbon atoms, (b) a non-conjugated diene represented by the following formula (1): ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently represent a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and n is a number of from 2 to 10, and (c) optionally ethylene, which random copolymer comprises 0.1 to 15 mol % of monomer units of said non-conjugated diene, 0 to 4 mol % of monomer units of ethylene, and pendent ethylenical unsaturations, and has a crystallization degree of 20% or more determined by an X-ray diffraction method, a melt index of 0.01 to 200 g/10 minutes, and a modulus of elasticity according to JIS K-7203 of 1,000 to 30,000 kg/cm.sup.2.

Abstract: A thermoplastic resin composition comprises the following components (A) and (B):component (A): 10 to 90% by weight polyphenylene ether resin,component (B): 90 to 10% by weight unsaturated copolymer resin obtained by copolymerizing at least one .alpha.-olefin having 2 to 12 carbon atoms and a diene compound having 4 to 15 carbon atoms, and containing 0.01 to 50 mol % of diene compound. This resin composition has excellent resistance to organic solvents and superior mechanical properties.

Abstract: A process for producing a foam comprising subjecting a foaming composition to foaming conditions, said foaming composition comprising (A) from 1 to 99% by weight, based on the total weight of (A) and (B), of a random copolymer comprising units derived from propylene, from 0.1 to 15 mol % of units derived from a non-conjugated diene represented by formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 each independently represents a hydrogen atom or an alkyl group having from 1 to 8 carbon atoms; and n represents a number of from 2 to 10, and, if desired, up to 4 mol % of units derived from ethylene, said random copolymer having a degree of crystallinity of at least 20% as measured by X-ray diffractometry, a melt flow rate of from 0.01 to 200 g/10 min as measured according to ASTM D1238-1986, and an elastic modulus of from 1,000 to 15,000 kg/cm.sup.2 as measured according to JIS K-7203, and (B) from 99 to 1% by weight, based on the total weight of (A) and (B), of a homopolymer of an .

Abstract: Disclosed is a thermoplastic resin composition formed by melt-kneading at a temperature of 300.degree. to 340.degree. C. a composition comprising (a) 10 to 95% by weight of a polyphenylene sulfide resin; (b) 90 to 5% by weight of a crystalline resin composed mainly of 3-methyl-1-butene, each of the amount of the components (a) and (b) being based on the sum of the components (a) and (b); (c) 5 to 20 parts by weight per 100 parts by weight of the sum of the components (a) and (b) of a partially hydrogenated alkenyl aromatic compound-conjugated diene copolymer; and (d) up to 150 parts by weight per 100 parts by weight of the sum of the components (a) and (b) of a fibrous filler. In this composition, the poor moldability of the polyphenylene sulfide resin is improved and the poor rigidity at a high temperature of the 3-methyl-1-butene polymer is improved, and excellent heat resistance, chemical resistance and mechanical strength inherently possessed by both the resins are retained.

Abstract: An unsaturated copolymer of propylene and the branched diene which is 6-methyl-1,6-octadiene and/or 7-methyl-1,6-octadiene, and optionally, ethylene is produced by a two-step process wherein in a first polymerization step homopolymerization of propylene is conducted until the propylene polymer amounts to 0.01 to 10% by weight of the total and final copolymer, and in a second polymerization step the random copolymerization of propylene, 6-methyl-1,6-octadiene and/or 7-methyl-1,6-octadiene, and optionally, ethylene is then conducted as a continuation of the first step polymerization, whereby a copolymer of a specified characteristics is produced.

Abstract: A polymer prepared by subjecting to conditions of radical graft polymerization a copolymer of an .alpha.-olefin and an aliphatic nonconjugated diene and a monomer that is capable of radical polymerization with said copolymer is described. This polymer has high miscibility with a dissimilar resin and has a high practical value for use as a compatibilizing agent in blending two or more resins.

Abstract: A novel block copolymer consisting essentially of ethylene and propylene and comprising 1 to 20 parts by weight of block (A) having an ethylene content of 0 to 4% by weight, 5 to 49 parts by weight of block (B) having an ethylene content of more than 4% and less than 25% by weight, and 50 to 94 parts by weight of block (C) having an ethylene content of 25 to 85% by weight. The block copolymer is characterized by less formation of flow marks in molding, and also has excellent tensile characteristics.

Abstract: A modified copolymer prepared by modifying an unsaturated copolymer resin comprising at least one .alpha.-olefin having 2 to 12 carbon atoms and at least one 1,4-dienes represented by formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are defined as hereinbefore, thereby to introduce a hydroxyl group or epoxy group into at least 1% of an olefinically unsaturated bond in the resin. This copolymer has excellent printability and adhesive properties and also has a good durability.

Abstract: Disclosed is an electrode using an electrolytically reduced product obtained by electrolytic reduction of a saccharide. According to the present invention, an electrode material of light weight having high energy density as well as high maximum output density, which can provide a non-pollutative battery can be obtained.

Abstract: A foaming resin composition comprising an unsaturated random copolymer consisting of propylene, ethylene, and a branched 1,4-diene represented by the following formula: ##STR1## wherein R.sup.1 represents an alkyl group having not more than 8 carbon atoms; and R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group having not more than 8 carbon atoms, provided that R.sup.2 and R.sup.3 do not simultaneously represent a hydrogen atom, and a chemical foaming agent. The composition is prevented from increasing in temperature due to shearing during molding into a foamable sheet and, therefore, provides a uniform foamed product.