POLYPROPYLENE RESIN COMPOSITION
    3.
    发明申请
    POLYPROPYLENE RESIN COMPOSITION 有权
    聚丙烯树脂组合物

    公开(公告)号:US20140018478A1

    公开(公告)日:2014-01-16

    申请号:US13978844

    申请日:2012-01-27

    IPC分类号: C08L53/00

    摘要: A polypropylene-based resin composition including 100 parts by weight of the following component (A), 18 parts by weight or more and 65 parts by weight or less of the following component (B), 6 parts by weight or more and 45 parts by weight or less of the following component (C), 25 parts by weight or more and 60 parts by weight or less of the following component (D), 0.1 part by weight or more and 6.5 parts by weight or less of the following component (E) and 0.15 part by weight or more and 5.0 parts or less by weight of the following component (F):(A) a specific propylene-ethylene block copolymer A: (B) a specific propylene-ethylene block copolymer B: (C) an ethylene-α-olefin copolymer having a melt flow rate (230° C., under the load of 2.16 kg) of 0.5 g/10 min or more and 20 g/10 min or less; (D) an inorganic filler having an average particle diameter of 1 μm or more and 14 μm or less; (E) an acid-modified polypropylene; and (F) a lubricant

    摘要翻译: 包含100重量份以下组分(A),18重量份以上65重量份以下65重量份以下的(B)成分的聚丙烯系树脂组合物,6重量份以上45份以上 以下组分(C)的重量或更少,以下组分(D)为25重量份以上且60重量份以下,以下成分为0.1重量份以上6.5重量份以下 (A)特定的丙烯 - 乙烯嵌段共聚物A:(B)特定的丙烯 - 乙烯嵌段共聚物B:(C(E))和0.15重量份以上5.0重量%以下 )熔体流动速率(230℃,负荷2.16kg)的乙烯-α-烯烃共聚物为0.5g / 10分钟以上且20g / 10分钟以下; (D)平均粒径为1μm以上且14μm以下的无机填料; (E)酸改性聚丙烯; 和(F)润滑剂

    POLYPROPYLENE RESIN COMPOSITIONS FOR AUTOMOBILE PARTS
    4.
    发明申请
    POLYPROPYLENE RESIN COMPOSITIONS FOR AUTOMOBILE PARTS 审中-公开
    用于汽车零件的聚丙烯树脂组合物

    公开(公告)号:US20100311894A1

    公开(公告)日:2010-12-09

    申请号:US12741480

    申请日:2008-10-27

    IPC分类号: C08L53/00 B29C45/00

    摘要: A polypropylene resin composition includes: 14 to 39 wt % of a propylene block copolymer (A-1) having MFR of 1 to 200 g/10 min, the propylene block copolymer comprising 70 to 95 wt % of a room temperature n-decane insoluble part (Dinsol (1)) and 5 to 30 wt % of a room temperature n-decane soluble part (Dsol (1)), the Dinsol (1) having a mmmm fraction of not less than 97%, the Dsol (1) having [η] of 4 to 10 dl/g; 20 to 60 wt % of a propylene block copolymer (A-2) having MFR of 1 to 200 g/10 min, the propylene block copolymer comprising 70 to 95 wt % of a room temperature n-decane insoluble part (Dinsol (2)) and 5 to 30 wt % of a room temperature n-decane soluble part (Dsol (2)), the Dinsol (2) having a mmmm fraction of not less than 97%, the Dsol (2) having [η] of 1.5 to 4 dl/g; 5 to 30 wt % of an ethylene/α-olefin copolymer rubber (B); and 10 to 30 wt % of an inorganic filler (C).The polypropylene resin composition can produce injection molded articles having excellent rigidity and impact resistance, less weld lines and flow marks and good appearance and are suitable for producing automobile parts.

    摘要翻译: 聚丙烯树脂组合物包括:14〜39重量%的MFR为1〜200g / 10分钟的丙烯嵌段共聚物(A-1),丙烯嵌段共聚物包含70〜95重量%的室温正癸烷不溶性 部分(D insol(1))和5-30wt%的室温正癸烷可溶部分(Dsol(1)),D insol(1)的mmmm分数不小于97%,Dsol(1) 具有4至10 dl / g的[&eegr] 20〜60重量%的MFR为1〜200g / 10分钟的丙烯嵌段共聚物(A-2),丙烯嵌段共聚物含有70〜95重量%的室温正癸烷不溶成分(D insol(2) )和5〜30重量%的室温正癸烷可溶部分(Dsol(2)),D insol(2)的mmmm分数不小于97%,Dsol(2)具有[ 1.5〜4dl / g; 5〜30重量%的乙烯/α-烯烃共聚物橡胶(B); 和10〜30重量%的无机填料(C)。 聚丙烯树脂组合物可以制造具有优异的刚性和耐冲击性,较少的焊接线和流痕以及良好外观的注塑制品,并且适用于生产汽车部件。