Abstract: A polypropylene resin composition comprising (A) 99.8 to 80 weight parts of a polypropylene resin having a melt flow rate of 0.1 to 50 g/10 min and (B) 0.2 to 20 weight parts of an olefin copolymer rubber having an intrinsic viscosity [?] of 0.5 to 4.0 dl/g and/or a polyethylene resin having a density of 0.895 to 0.945 g/cc and a melt flow rate of 0.05 to 15 g/10 min, which have undergone an ionization ray-irradiation treatment and/or a treatment of adding 0.05 to 5 weight parts of an organic peroxide to 100 weight parts of the aforesaid polypropylene resin composition comprising (A) and (B) and then melting.

Abstract: A polypropylene resin composition comprising (A) 99.8 to 80 weight parts of a polypropylene resin having a melt flow rate of 0.1 to 50 g/10 min and (B) 0.2 to 20 weight parts of an olefin copolymer rubber having an intrinsic viscosity [?] of 0.5 to 4.0 dl/g and/or a polyethylene resin having a density of 0.895 to 0.945 g/cc and a melt flow rate of 0.05 to 15 g/10 min, which have undergone an ionization ray-irradiation treatment and/or a treatment of adding 0.05 to 5 weight parts of an organic peroxide to 100 weight parts of the aforesaid polypropylene resin composition comprising (A) and (B) and then melting.

Abstract: A polypropylene resin composition containing (A) a polypropylene resin treatment product obtained by adding from (0.05) to (5) weight parts of an organic peroxide to (100) weight parts of a polypropylene resin with a melt flow rate of from (0.1) to (50) g/10 min and carrying out a melt treatment and (B) from (0.01) to (2) weight parts of an oxide of the group (2) or (12) metal of the periodic table or a metal alkoxide of defined formula to (100) weight parts of a resin content of the above polypropylene resin treatment product.

Abstract: A polypropylene composition comprising (C) one or more compound(s) selected from the group consisting of oxides of the group 2 or the group 12 metals of the periodic table and metal alkoxides, added in an amount of from 0.01 to 2 weight parts to 100 weight parts of a resin component prepared by subjecting 100 weight parts of a resin component comprising (A) from 10 to less than 80 weight parts of a polypropylene component having a melt flow rate of from 0.1 to 300 g/10 min and (B) from 90 to more than 20 weight parts of an olefin copolymer rubber component having an intrinsic viscosity [?] of from 0.5 to 5.0 dl/g to a treatment of irradiating with an ionizing radiation and/or a melt treatment after adding from 0.05 to 5 weight parts of an organic peroxide.

Abstract: A polypropylene resin composition containing (A) a polypropylene resin treatment product obtained by adding from (0.05) to (5) weight parts of an organic peroxide to (100) weight parts of a polypropylene resin with a melt flow rate of from (0.1) to (50) g/10 min and carrying out a melt treatment and (B) from (0.01) to (2) weight parts of an oxide of the group (2) or (12) metal of the periodic table or a metal alkoxide of defined formula to (100) weight parts of a resin content of the above polypropylene resin treatment product.

Abstract: A polypropylene resin composition comprising (A) 99.8 to 80 weight parts of a polypropylene resin having a melt flow rate of 0.1 to 50 g/10 min and (B) 0.2 to 20 weight parts of an olefin copolymer rubber having an intrinsic viscosity [&eegr;] of 0.5 to 4.0 dl/g and/or a polyethylene resin having a density of 0.895 to 0.945 g/cc and a melt flow rate of 0.05 to 15 g/10 min, which have undergone an ionization ray-irradiation treatment and/or a treatment of adding 0.05 to 5 weight parts of an organic peroxide to 100 weight parts of the aforesaid polypropylene resin composition comprising (A) and (B) and then melting.

Abstract: A multilayered laminate which comprises (A) at least one thermoplastic resin layer of an ethylenic copolymer having ethylene and at least one of acrylamide derivatives, methacrylamide derivatives, ester monomers, ether compounds, acid compounds having an unsaturated bond between carbon atoms, and mixtures thereof; (B) other thermoplastic resin layers; and (C) a hydroscopic gas barrier intermediate layer and a method of improving the transparency of polypropylene.

Abstract: A thermoplastic resin composition including (A) an ethylenic copolymer containing at least one of acrylamide derivative units and methacrylamide derivative units and (B) other thermoplastic resin and a laminate containing at least one layer prepared from the thermoplastic resin composition.

Abstract: Disclosed is a multiplex ethylene copolymer comprising (a) 50 to 94.8 mole % of units derived from ethylene, which are represented by the following formula (I):--CH.sub.2 --CH.sub.2 -- (I)(b) 5 to 45 mole % of units derived from a monomer selected from alkyl acrylates, alkyl methacrylates, vinyl carboxylates and isopropenyl carboxylates, which are represented by the following formula (II): ##STR1## wherein R.sub.1 stands for a hydrogen atom or a methyl group, and X is ##STR2## (in which R.sub.2 and R.sub.3 stand for an alkyl group having 1 to 10 carbon atoms),and (c) 0.2 to 5 mole % of units derived from a monomer having a radical-polymerizable ethylenic double bond and at least one carbon-to-carbon double bond which is different from a double bond of an aromatic nucleus. This ethylene copolymer can be easily cured, and the cured copolymer is a rubber having excellent oil resistance and heat resistance.

Abstract: Disclosed is a multiplex ethylene coplymer comprising (a) 50 to 94.8 mole % of units derived from ethylene, which are represented by the following formula (I):--CH.sub.2 --CH.sub.2 -- (I)(b) 5 to 45 mole % of units derived from a monomer selected from alkyl acrylates, alkyl methacrylates, vinyl carboxylates and isopropenyl carboxylates, which are represented by the following formula (II): ##STR1## wherein R.sub.1 stands for a hydrogen atom or a methyl group, and X is ##STR2## in which R.sub.2 and R.sub.3 stand for an alkyl group having 1 to 10 carbon atoms), and (c) 0.2 to 5 mole % of units derived from a monomer having a radical-polymerizable ethylenic double bond and at least one carbon-to-carbon double bond which is different from a double bond of an aromatic nucleus. This ethylene copolymer can be easily cured, and the cured copolymer is a rubber having excellent oil resistance and heat resistance.