POLYMER COMPOSITION FOR MANUFACTURING FILM MATERIALS AND IMITATION LEATHER Russian patent published in 2003 - IPC

FIELD: polymer materials. SUBSTANCE: composition contains suspension polyvinylchloride, phthalate plasticizer, mixture of dioxane alcohols and their high-boiling ethers, chloroparaffins, metal-containing stabilizer, stearic acid, chalk, pigments, and organic stabilizer, which is mixture of epoxidated vegetable oils and diphenylolpropane modified with mixture of dioxane alcohols and their high-boiling ethers and silicon dioxide. EFFECT: improved melt flowability characteristics and heat resistance of composition at 185 C and preserved surface brightness characteristics, curl on substrate, and film coating-substrate join strength. 2 tbl, 13 ex