摘要 |
We disclose compositions, comprising (i) from about 25 parts by weight to about 95 parts by weight of a monovinylarene-conjugated diene coupled block copolymer comprising at least one tapered block, having a blocky monovinylarene content of less than 90 wt % of total monovinylarene units, and comprising a terminal monovinylarene block having a molecular weight of less than 60,000 g/mol; and (ii) from about 5 parts by weight to about 75 parts by weight of a monovinylarene-alkyl(meth)acrylate copolymer, comprising (ii-a) monovinylarene units and (ii-b) either alkyl acrylate units, alkyl methacrylate units, or both. The compositions can be used in shrink film or rigid packaging applications. |
申请人 |
CHEVRON PHILLIPS CHEMICAL COMPANY LP |
发明人 |
WILKEY, JOHN, D.;STOUFFER, CARLETON, E.;RHODES, VERGIL, H.;CHAFFIN, JAY, M.;BROWN, JOHN, M.;HARTSOCK, DAVID;KEANE, JAMES, A. |