POLYMER COMPOSITION Russian patent published in 1995 - IPC

FIELD: polymer compositions based on polyvinylchloride applicable for manufacture of shape- linear products, films and sheets. SUBSTANCE: polymer composition contains, mas.p. polyvinylchloride 100; metal-containing thermal stabilizer 1-5; lubricant 0.2-2; copolymer 1-5 including, mas. methyl methacrylate 36-40; sterene 36- 38; butyl acrylate 24-26; compound 5-20 taken from group including copolymer containing, mas. butyl acrylate 59.4-63.4; methyl methacrylate 35.6-40; allyl methacrylate 0.6-1; chlorinated polyethylene with chlorine content of 36-40 mas. copolymer of ethylene with vinyl acetate (vinyl acetate 40-55 mas.). Hardness of polymer compositions 81-82; impact strength 9.5-56 kj/sq.m; static thermal stability 49-190 min. EFFECT: higher hardness, and preserved impact strength and static thermostability. 1 tbl