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    • 1. 发明授权
    • Process for preparing propylene polymer composition and propylene
polymer composition
    • 制备丙烯聚合物组合物和丙烯聚合物组合物的方法
    • US5854354A
    • 1998-12-29
    • US448570
    • 1995-06-07
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • C08F2/00C08F297/08C08L23/04C08L23/08C08L23/10
    • C08F297/083C08F297/08C08L23/10C08L23/0815Y10S526/943
    • A process for preparing a propylene polymer composition comprising conducting multistage polymerization including a step (a) for preparing a propylene (co)polymer (a) and a step (b) for preparing an ethylene copolymer (b) in the presence of (A) a transition metal compound and (B) a compound activating the transition metal compound (A), in which the steps (a) and (b) may be carried out in any order, and the resulting propylene polymer composition contains the propylene (co)polymer (a) in an amount of 20 to 90% by weight and the ethylene copolymer (b) in an amount of 10 to 80% by weight and has MFR, as measured at 230.degree. C. under a load of 2.16 kg, of 0.01 to 500 g/10 min; and a propylene polymer composition prepared by this process. The process according to the invention can prepare a propylene polymer composition having excellent rigidity, heat resistance and impact resistance.
    • PCT No.PCT / JP95 / 00707 Sec。 371日期:1995年6月7日 102(e)日期1995年6月7日PCT提交1995年4月11日PCT公布。 第WO95 / 27740号公报 日期:1995年10月19日一种制备丙烯聚合物组合物的方法,包括进行多步聚合,包括制备丙烯(共)聚合物(a)的步骤(a)和用于制备乙烯共聚物(b))的步骤(b) (A)过渡金属化合物的存在和(B)活化过渡金属化合物(A)的化合物,其中步骤(a)和(b)可以以任何顺序进行,并且所得丙烯聚合物组合物含有 丙烯(共)聚合物(a)的量为20〜90重量%,乙烯共聚物(b)的含量为10〜80重量%,MFR为230℃, 为2.16kg,为0.01〜500g / 10min; 和通过该方法制备的丙烯聚合物组合物。 根据本发明的方法可以制备具有优异的刚性,耐热性和耐冲击性的丙烯聚合物组合物。
    • 2. 发明授权
    • Process for preparing propylene polymer composition and propylene
polymer composition
    • 制备丙烯聚合物组合物和丙烯聚合物组合物的方法
    • US5753769A
    • 1998-05-19
    • US448569
    • 1995-06-07
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • C08F2/00C08F2/20C08F4/60C08F10/06C08F210/06C08F210/16C08F297/08C08F297/06C08L23/14
    • C08F297/086C08F10/06C08F210/06C08F210/16C08F4/65912
    • A process for preparing a propylene polymer composition having excellent rigidity, heat resistance and impact resistance comprising conducting multistage polymerization including a step (a) for preparing a propylene (co)polymer (A), a step (b) for preparing a propylene-olefin copolymer (B) and a step (c) for preparing an ethylene-olefin copolymer (C) in the presence of (I) a transition metal compound and (II) a compound activating the transition metal compound (I), in which the steps (a), (b) and (c) are carried out in any order, each of the second and subsequent stage polymerizations is carried out in the presence of a polymer or polymers obtained by the preceding stage or stages, respectively, and the resulting propylene polymer composition contains the propylene (co)polymer (A) in an amount of 20 to 90% by weight, the propylene-olefin copolymer (B) in an amount of 5 to 75% by weight and the ethylene-olefin copolymer (C) in an amount of 5 to 75% by weight, and has MFR, as measured at 230.degree. C. under a load of 2.16 kg, of 0.01 to 500 g/10 min.
    • PCT No.PCT / JP95 / 00708 Sec。 371日期:1995年6月7日 102(e)日期1995年6月7日PCT提交1995年4月11日PCT公布。 WO95 / 27741 PCT出版物 日期:1995年10月19日一种制备具有优异的刚性,耐热性和耐冲击性的丙烯聚合物组合物的方法,其包括进行多步聚合,包括制备丙烯(共)聚合物(A)的步骤(a),步骤(b) 在(I)过渡金属化合物和(II)活化过渡金属化合物(I)的化合物的存在下,制备丙烯 - 烯烃共聚物(B)和制备乙烯 - 烯烃共聚物(C)的步骤(c) ,其中步骤(a),(b)和(c)以任何顺序进行,第二阶段和后续聚合中的每一个在通过前一阶段或阶段获得的聚合物或聚合物的存在下进行, 所得丙烯聚合物组合物含有20〜90重量%的丙烯(共)聚合物(A),丙烯 - 烯烃共聚物(B)的含量为5〜75重量%,乙烯 α-烯烃共聚物(C),其量为5〜75重量%,并具有M FR在230℃,2.16kg的负荷下测量为0.01〜500g / 10分钟。
    • 3. 发明授权
    • Process for preparing propylene polymer composition and propylene
polymer composition
    • 制备丙烯聚合物组合物和丙烯聚合物组合物的方法
    • US5969049A
    • 1999-10-19
    • US816042
    • 1997-03-11
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • C08F2/00C08F2/20C08F4/60C08F10/06C08F210/06C08F210/16C08F297/08C08F297/06C08L23/14
    • C08F297/086C08F10/06C08F210/06C08F210/16C08F4/65912
    • A process for preparing a propylene polymer composition having excellent rigidity, heat resistance and impact resistance, the process comprising conducting multistage polymerization including a step (a) for preparing a propylene (co)polymer (a), a step (b) for preparing a propylene-olefin copolymer (b) and a step (c) for preparing an ethylene-olefin copolymer (c) in the presence of (A) a transition metal compound and (B) a compound activating the transition metal compound (A), in which the steps (a), (b) and (c) may be carried out in any order, each of the second and subsequent stage polymerizations is carried out in the presence of a polymer or polymers obtained by the preceding stage or stages, respectively, and the resulting propylene polymer composition contains the propylene (co)polymer (a) in an amount of 20 to 90% by weight, the propylene-olefin copolymer (b) in an amount of 5 to 75% by weight and the ethylene-olefin copolymer (c) in an amount of 5 to 75% by weight, and has MFR, as measured at 230.degree. C. under a load of 2.16 kg, of 0.01 to 500 g/10 min.
    • 一种制备具有优异的刚性,耐热性和耐冲击性的丙烯聚合物组合物的方法,该方法包括进行包括步骤(a)的制备丙烯(共)聚合物(a)的步骤(a)的多段聚合,制备 丙烯 - 烯烃共聚物(b)和用于在(A)过渡金属化合物和(B)活化过渡金属化合物(A)的化合物存在下制备乙烯 - 烯烃共聚物(c)的步骤(c) 步骤(a),(b)和(c)可以以任何顺序进行,第二阶段和后续阶段聚合中的每一个分别在分别由先前阶段或阶段获得的聚合物或聚合物的存在下进行 ,得到的丙烯聚合物组合物含有20〜90重量%的丙烯(共)聚合物(a),丙烯 - 烯烃共聚物(b)的含量为5〜75重量%,乙烯 - 烯烃共聚物(c)的量为5〜75重量%,MFR为MFR, 在230℃,2.16kg的载荷下测量为0.01〜500g / 10分钟。