Vinyl resin composition

A vinyl resin composition which comprises

• (1) 100 parts by weight of a resin composition comprising
• (A) 97-70 % by weight, based on 100 parts of said resin composition of a vinyl polymer selected from the group consisting of a rubber modified polystyrene resin, styrene-butadiene-acrylonitrile copolymer resin, styrene-rubber copolymer-methyl acrylate resin, styrene-rubber copolymer-methyl methacrylate resin, styrene-acrylonitrile copolymer resin, random, block or graft polymers obtained from styrene monomer as the main component and copolymerizing therewith another vinyl monomer selected from the group consisting of methyl methacrylate, methyl acrylate, maleimide and acrylamide, styrene resins blended with other thermoplastic resins, styrene resins containing a carboxyl group, styrene resins containing an epoxy group, styrene resins containing an oxazoline group, styrene resins containing an amide group, styrene resins containing an imide group, styrene resins containing a hydroxyl group, polymethyl methacrylate resin, rubber-reinforced polymethyl methacrylate, methyl methacrylate-butadiene-styrene copolymer resin, and methyl methacrylate-acrylonitrile-butadiene-styrene copolymer resin;
• and
• B) 3-30% by weight, based on 100 parts of said resin composition of a polyamideimide elastomer obtained by reacting
• a) caprolactam,
• b) a tribasic or tetrabasic aromatic polycarboxylic acid capable of forming at least one imide ring, selected from the group consisting 1,2,4-trimellitic acid, 1,2,5-naphthalenetricarboxylic acid, 2,6,7-naphthalenetricarboxylic acid, 3'3',4-tricarboxylic acid, pyromellitic acid, diphenyl-2,2',3,3'-tetracarboxylic acid, diphenyl ether-2,2',3,3'-tetracarboxylic acid, anhydrides of the above, and mixtures thereof;
• c) polyoxyethylene glycol or a mixture of at least 50% by weight of polyoxyethylene glycol and a polyoxyalkylene glycol other than polyoxyethylene glycol, wherein said polyoxyalkylene glycol is selected from the group consisting of polyoxytetramethylene glycol, modified polyoxytetramethylene glycol, and polyoxypropylene glycol, which have a molecular weight of 500 to 5,000;
• and
• d) 0-0.5 mole of a diamine or diisocyanate compound per 1 mole of the glycol of component c), glycol component c) being present in a proportion of 85-30% by weight in the elastomer and the relative viscosity of said elastomer being at least 1.5 at a temperature of 30.degree. C., wherein said diamine is selected from the group consisting of hexamethylene-diamine and 4,4'-diphenylmethylanediamine, and wherein said diisocyanate is selected from the group consisting of hexamethylene diisocyanate and 4,4'-diphenylmethane diisocyanate;
• and
• (2) 0-10 parts by weight based on 100 parts by weight of said resin composition of at least one electrolyte selected from the group consisting of quaternary ammonium salts, organic phosphonium salts, aromatic sulfonic acids, alkali or alkaline earth metal salts thereof, alkyl sulfonic acids, alkali or alkaline earth metal salts thereof, organic carboxylic acids, alkali or alkaline earth metal salts thereof, organic phosphoric acids, alkali or alkaline earth metal salts thereof, NaBr. KBr, KNO.sub.3, and LiNO.sub.3.