FIELD: polymer materials.
SUBSTANCE: invention relates to silicon-acrylic shock strength modifier having layered structure and to thermoplastic resin composition containing it and, more specifically, to silicon-acrylic shock strength modifier consisting of (i) silicon rubber seed containing one or more vinyl copolymers; (ii) acryl rubber core surrounding seed; and (iii) shell containing one or more vinyl copolymers enveloping acryl rubber core; and to thermoplastic resin composition containing shock strength modifier.
EFFECT: improved shock strength and coloration ability of thermoplastic resin.
19 cl, 1 tbl, 24 ex
