C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/08 (2006.01)
Patent
CA 2103401
An ethylene copolymer composition comprising an ethylene/.alpha.-olefin copolymer [A1] obtained by using a catalyst for olefin polymerization containing an organoaluminum oxy-compound (a) and at least two kinds of specific metallocene compounds (b), and one (co)polymer selected from the group consisting of [B1] a low-density polyethylene obtained by high-pressure radical polymerization, [B2] a crystalline polyolefin and [B3] an olefin type elastomer. An ethylene copolymer composition comprising an ethylene/.alpha.-olefin copolymer [A2] having specific properties, and one (co)polymer selected from the group consisting of [B1] a low-density polyethylene obtained by high-pressure radical polymerization, [B2] a crystalline polyolefin and [B3] an olefin type elastomer. An ethylene copolymer composition comprising an ethylene/.alpha.-olefin copolymer [A3] obtained by using a catalyst for olefin polymerization containing an organoaluminum oxy-compound (a) and a specific metallocene compound (b), and a graft modified ethylene (co)polymer. An ethylene copolymer composition comprising an ethylene/.alpha.-olefin copolymer composition [C1] and a low- density polyethylene [B1]. The ethylene/.alpha.-olefin copolymer composition [C1] comprises an ethylene/.alpha.-olefin copolymer [A4] obtained by using a catalyst for olefin polymerization containing an organoaluminum oxy-compound (a) and at least two kinds of specific metallocene compounds (b), and an ethylene/.alpha.-olefin copolymer [A5] obtained by using a catalyst for olefin polymerization containing an organoaluminum oxy-compound (a) and a specific metallocene compound (b'). An ethylene copolymer composition comprising an ethylene/.alpha.-olefin copolymer composition [C2] and a low- density polyethylene [B1]. The ethylene/o.alpha.olefin copolymer composition [C2] comprises an ethylene/.alpha.-olefin copolymer [A6] having specific properties, and the ethylene/.alpha.-olefin copolymer [A5]. An ethylene copolymer composition comprising an ethylene/.alpha.-olefin copolymer composition [C3] and a graft modified ethylene (co)polymer [B4]. The ethylene/.alpha.-olefin copolymer composition [C3] comprises an ethylene/.alpha.-olefin copolymer [A7] obtained by using a catalyst for olefin polymerization containing an organoaluminum oxy-compound (a) and a specific metallocene compound (b'), and the ethylene/.alpha.-olefin copolymer [A5]. The ethylene/.alpha.-olefin copolymer compositions of the invention are excellent in moldability. From these copolymer compositions, films having high transparency and high mechanical strength can be produced. When the ethylene/.alpha.-olefin composition contains the graft modified ethylene (co)polymer, a film having high transparency and good adhesion to highly polar materials can be produced.
Ikeyama Seiichi
Inagaki Hajime
Ohta Seiji
Takahashi Mamoru
Todo Akira
Mitsui Chemicals Inc.
Mitsui Petrochemical Industries Ltd.
Smart & Biggar
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