Soft homogeneous isotactic polypropylene compositions
    42.
    发明授权
    Soft homogeneous isotactic polypropylene compositions 有权
    软均匀全同立构聚丙烯组合物

    公开(公告)号:US07858701B2

    公开(公告)日:2010-12-28

    申请号:US12080486

    申请日:2008-04-03

    IPC分类号: C08L23/10

    摘要: The present invention also discloses a homogeneous blend composition comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR @ 230° C.) of the first polymer component is between 300 g/10 min to 5000 g/10 min. b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C., wherein the first polymer component has less than 1000 ppm of reaction products arising from the chemical reaction of a molecular degradation agent.

    摘要翻译: 本发明还公开了一种均匀的共混组合物,其包含: a)1重量%至99重量%的第一聚合物组分的共混物,其包含5重量%至35重量%的主要由α-烯烃衍生单元组成的第一聚合物组分和65重量%至95重量% 来自全同立构聚丙烯序列的结晶度为0.1%至约25%的丙烯衍生单元的第一聚合物组分,熔点为45℃至105℃,并且其中熔体流动速率(MFR @ 230℃ 。)的第一聚合物组分在300g / 10min至5000g / 10min之间。 b)1重量%至99重量%的包含全同立构聚丙烯的第二聚合物组分和全同立构丙烯的无规共聚物的共混物的共混物,其中共聚物中共聚α-烯烃的百分比为0.0-9重量% 所述第二聚合物组分并且其中所述第二聚合物组分具有大于约110℃的熔点,其中所述第一聚合物组分具有小于1000ppm的由分子降解剂的化学反应产生的反应产物。

    Process of making polymer blends
    44.
    发明授权
    Process of making polymer blends 失效
    制备聚合物共混物的方法

    公开(公告)号:US07709577B2

    公开(公告)日:2010-05-04

    申请号:US11644140

    申请日:2006-12-22

    IPC分类号: C08L23/00 C08L23/04

    摘要: In a process for producing a polymer blend, at least one first monomer is polymerized in a first slurry phase reaction zone in the presence of a supported first catalyst comprising a Ziegler-Natta component to produce a thermoplastic first polymer having a crystallinity of at least 30%. At least part of said first polymer is then contacted with at least one second monomer different from said first monomer and at least one polyene in a second solution phase reaction zone in the presence of a second catalyst under conditions to produce and at least partially cross-link said second polymer such that said second polymer comprises at least a fraction which is insoluble in xylene and has a crystallinity of less than 20%.

    摘要翻译: 在制备聚合物共混物的方法中,在包含齐格勒 - 纳塔组分的负载的第一催化剂的存在下,在第一浆料相反应区中聚合至少一种第一单体以产生具有至少30的结晶度的热塑性第一聚合物 %。 然后在第二催化剂存在下,至少部分所述第一聚合物与至少一种不同于所述第一单体的第二单体和第二溶液相反应区中的至少一种多烯接触, 将所述第二聚合物连接成使得所述第二聚合物至少包含不溶于二甲苯并且具有小于20%的结晶度的级分。

    Soft heterogeneous isotactic polypropylene compositions
    48.
    发明申请
    Soft heterogeneous isotactic polypropylene compositions 有权
    软异相全同立构聚丙烯组合物

    公开(公告)号:US20080249232A1

    公开(公告)日:2008-10-09

    申请号:US12080495

    申请日:2008-04-03

    IPC分类号: C08L23/16 C08L9/00

    摘要: The present invention also discloses a heterogeneous blend composition comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR@230° C.) of the first polymer component is between 300 g/10 min to 5000 g/10 min b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C., wherein the first polymer component has less than 1000 ppm of reaction products arising from the chemical reaction of a molecular degradation agent.

    摘要翻译: 本发明还公开了一种非均相共混组合物,其包含: a)1重量%至99重量%的第一聚合物组分的共混物,其包含5重量%至35重量%的主要由α-烯烃衍生单元组成的第一聚合物组分和65重量%至95重量% 来自全同立构聚丙烯序列的结晶度为0.1%至约25%的丙烯衍生单元的第一聚合物组分,熔点为45℃至105℃,并且其中熔体流动速率(MFR @ 230℃ )第一聚合物组分的量为300g / 10min至5000g / 10min,b)1重量%至99重量%的包含全同立构聚丙烯的第二聚合物组分和全同立构丙烯的无规共聚物的共混物,其中 共聚物中的共聚α-烯烃的百分比为第二聚合物组分的0.0%至9%,其中第二聚合物组分的熔点大于约110℃,其中第一聚合物组分的含量小于 产生1000ppm的反应产物 来自分子降解剂的化学反应。

    Propylene copolymers for adhesive applications
    50.
    发明申请
    Propylene copolymers for adhesive applications 失效
    用于粘合剂应用的丙烯共聚物

    公开(公告)号:US20080081868A1

    公开(公告)日:2008-04-03

    申请号:US11529839

    申请日:2006-09-29

    IPC分类号: C08L91/08

    摘要: Disclosed herein are adhesives comprising a copolymer comprising at least 80 wt % of units derived from propylene and from about 1 to about 20 wt % of units derived from at least one C6 to C10 alpha-olefin. The copolymer has a molecular weight of less than 100,000 and a heat of fusion between about 10 and about 70 J/g. An adhesive containing the copolymer preferably exhibits at least 50% fiber tear at −18° C. and at least 50% fiber tear at +25° C. using Inland paper board as a substrate; a viscosity of less than 50,000 mPa sec at 190° C., a set time of less than 4 seconds and a toughness of at least 3.4 megajoule/m3.

    摘要翻译: 本文公开了包含共聚物的粘合剂,其包含至少80重量%的衍生自丙烯的单元和约1至约20重量%的衍生自至少一个C 6至C 10的单元, /α-烯烃。 共聚物的分子量小于100,000,熔融热约为10至约70J / g。 含有共聚物的粘合剂优选在-18℃下显示至少50%的纤维撕裂,在+ 25℃下使用内陆纸板作为基材显示至少50%的纤维撕裂; 在190℃下的粘度小于50,000mPa·sec,小于4秒的凝固时间和至少3.4兆焦耳/ m 3的韧性。