PURPOSE: To provide the title resin compsn. having excellent impact resistance and transparency, by blending a chlorinated vinyl chloride resin with a graft polymer obtd. by grafting a specified vinyl monomer onto a butadiene elastomer.
CONSTITUTION: 60W20wt% monomer (A) selected from the group consisting of (meth)acrylic esters, vinyl cyanide compds. and arom. vinyl compds. (e.g., styrene) is grafted onto 40W80wt% elastomer (B) having a degree of swelling of 7W30, composed of 50W100wt% 1,3-butadiene units and 50W0wt% copolymerizable vinyl monomer units in one or more grafting steps, thus obtaining a graft copolymer having a refractive index of 1.541W1.565. 30W2wt% said graft copolymer is mixed with 70W98wt% chlorinated vinyl chloride resin to obtain the desired chlorinated vinyl chloride resin compsn.
KITAI KIYOKAZU
NAKAHARA TETSUHIKO
| JPS5476650A | 1979-06-19 | |||
| JPS54131653A | 1979-10-12 | |||
| JPS60238337A | 1985-11-27 | |||
| JPS60152548A | 1985-08-10 |