P-METHYLSTYRENE-CONJUGATED DIENE-STYRENE BLOCK COPOLYMERS AND BLENDS THEREOF WITH POLYSTYRENE, POLY(P-METHYLSTYRENE) AND COPOLYMERS THEREOF

摘要

E-1447 ( 1474 )P-METHYLSTYRENE-CONJUGATED DIENE-STYRENE BLOCKCOPOLYMERS AND BLENDS THEREOF WITH POLYSTYRENEPOLY(P-METHYLSTYRENE) AND COPOLYMERS THEREOFABSTRACTAn A-B-A' p-methylstyrene-conjugated diene-styrene blockcopolymer contains by weight of the block copolymer, about 5-40%p-methylstyrene, 5-40% styrene, and 20-80% conjugated diene. TheA-B-A' copolymer may be blended with polystyrene,poly(p-methylstyrene), a copolymer of styrene and p-methylstyrene ormixtures thereof.