| 摘要 |
FIELD: polymer materials. ^ SUBSTANCE: invention relates to elevated-viscosity thermoplastic halogenated elastomer compositions and to a process for preparing the same. Composition according to invention contains thermoplastic polymer, at least one isoolefin copolymer comprising unit derived from halomethylstyrene, and at least one hindered amine or phosphine compound having the respective structure R1R2 R3N or R1R2R3P wherein R1 is H or C-1-C6-alkyl, R2 is C1-C30-alkyl and R3 is C4-C30-alkyl and further wherein R3 represents alkyl higher than R-1. A process for preparing elevated-viscosity thermoplastic composition consists in mixing thermoplastic polymer, at least one isoolefin copolymer comprising unit derived from halomethylstyrene, and at least one hindered amine or phosphine compound to obtain thermoplastic elastomer compositions, including dynamically cured ones, containing more finely dispersed elastomer. ^ EFFECT: improved mechanical properties. ^ 4 cl, 10 tbl |
