Oiled, electrically conductive carbon black
    13.
    发明授权
    Oiled, electrically conductive carbon black 失效
    油漆,导电炭黑

    公开(公告)号:US4510078A

    公开(公告)日:1985-04-09

    申请号:US523277

    申请日:1983-08-15

    申请人: Aspy K. Mehta

    发明人: Aspy K. Mehta

    IPC分类号: H01B1/24 H01B1/06

    CPC分类号: H01B1/24

    摘要: Electrically conductive compositions comprising an ethylene polymer, a mineral filler and carbon black having a surface area greater than about 500 m.sup.2 /gram, these compositions being useful as extrudates about electrical conductors providing conductive shields thereon.

    摘要翻译: 包含表面积大于约500m 2 / g的乙烯聚合物,矿物填料和炭黑的导电组合物,这些组合物可用作围绕其上提供导电屏蔽的电导体的挤出物。

    POLYPROPYLENE ETHYLENE-PROPYLENE COPOLYMER BLENDS AND IN-LINE PROCESS TO PRODUCE THEM
    14.
    发明申请
    POLYPROPYLENE ETHYLENE-PROPYLENE COPOLYMER BLENDS AND IN-LINE PROCESS TO PRODUCE THEM 有权
    聚丙烯乙烯 - 丙烯共聚物共混物和在线工艺生产

    公开(公告)号:US20120225998A1

    公开(公告)日:2012-09-06

    申请号:US13371733

    申请日:2012-02-13

    IPC分类号: C08F2/02 C08L23/14

    摘要: Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing. The blends may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145° C. or higher, and wherein the difference between the DSC peak melting and the peak crystallization temperatures is less than or equal to 0.5333 times the melting peak temperature minus 41.333° C., and between 50 and 99 wt % of ethylene-propylene copolymer including between 10 wt % and 20 wt % randomly distributed ethylene with a melt flow rate of between 0.5 and 20,000 g/10 min, wherein the copolymer is polymerized by a bulk homogeneous polymerization process, and wherein the total regio defects in the continuous propylene segments of the copolymer is between 40 and 150% greater than a copolymer of equivalent melt flow rate and wt % ethylene polymerized by a solution polymerization process.

    摘要翻译: 全同立构聚丙烯乙烯 - 丙烯共聚物共混物和在线生产方法。 共混物可以具有1至50重量%的全同立构聚丙烯,熔体流动速率为0.5至20,000g / 10min,熔融峰温度为145℃或更高,并且其中DSC峰值熔融和 峰值结晶温度小于或等于熔融峰温度减去41.333℃的0.5333倍,和包含10重量%至20重量%的乙烯 - 丙烯共聚物的50至99重量%之间,随机分布的乙烯和熔体流动 速率为0.5至20,000g / 10min,其中共聚物通过本体均相聚合方法聚合,并且其中共聚物的连续丙烯链段中的总区域缺陷比等同熔体的共聚物大40至150% 流速和wt%乙烯通过溶液聚合方法聚合。

    Polyolefin adhesive compositions
    15.
    发明授权
    Polyolefin adhesive compositions 有权
    聚烯烃粘合剂组合物

    公开(公告)号:US08242198B2

    公开(公告)日:2012-08-14

    申请号:US12616637

    申请日:2009-11-11

    IPC分类号: D21H19/18

    摘要: An adhesive and method for hot melt application. The adhesive comprises polyolefin base polymer, from 1 to 10 wt % of at least one functionalized polyolefin, and from 1 to 15 wt % of a wax, based on the total weight of the polyolefin base polymer, functionalized polyolefin and wax, wherein the wax has a weight average molecular weight at least 8% of the weight average molecular weight of the polyolefin base polymer, viscosity at 190° C. of 60 mPa·s or more, and a crystallization temperature greater than the polyolefin base polymer and greater than 100° C., and wherein the adhesive has at least 5% fiber tear at 2° C., at least 50% fiber tear at 25° C., and a characteristic set time of less than 3 seconds.

    摘要翻译: 一种用于热熔胶应用的粘合剂和方法。 基于聚烯烃基础聚合物,官能化聚烯烃和蜡的总重量,粘合剂包括聚烯烃基聚合物,1至10重量%的至少一种官能化聚烯烃和1至15重量%的蜡,其中蜡 重均分子量为聚烯烃基聚合物的重均分子量的至少8%,190℃下的粘度为60mPa·s以上,结晶温度大于聚烯烃基聚合物,大于100 ℃,并且其中粘合剂在2℃下具有至少5%的纤维撕裂,在25℃下至少50%的纤维撕裂,以及小于3秒的特征设定时间。

    Polypropylene ethylene-propylene copolymer blends and in-line process t produce them
    19.
    发明申请
    Polypropylene ethylene-propylene copolymer blends and in-line process t produce them 有权
    聚丙烯乙烯 - 丙烯共聚物共混物和在线工艺生产它们

    公开(公告)号:US20090163643A1

    公开(公告)日:2009-06-25

    申请号:US12317045

    申请日:2008-12-18

    IPC分类号: C08L23/16 C08L23/12 C08F2/01

    摘要: Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing them. The blend of polypropylene and ethylene-propylene copolymer may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145° C. or higher, and wherein the difference between the DSC peak melting and the peak crystallization temperatures is less than or equal to 0.5333 times the melting peak temperature minus 41.333° C., and between 50 and 99 wt % of ethylene-propylene copolymer including between 10 wt % and 20 wt % randomly distributed ethylene with a melt flow rate of between 0.5 and 20,000 g/10 min, wherein the copolymer is polymerized by a bulk homogeneous polymerization process, and wherein the total regio defects in the continuous propylene segments of the copolymer is between 40 and 150% greater than a copolymer of equivalent melt flow rate and wt % ethylene polymerized by a solution polymerization process. The in-line process for producing the blend includes providing two or more parallel reactor trains and a separator for product blending and product-feed separation; wherein the two or more reactor trains operate under fluid phase bulk homogeneous conditions and at least one of the trains operates under supercritical conditions.

    摘要翻译: 全同立构聚丙烯乙烯 - 丙烯共聚物共混物和在线生产方法。 聚丙烯和乙烯 - 丙烯共聚物的共混物可以具有1至50重量%的全同立构聚丙烯,熔体流动速率在0.5至20,000g / 10min之间,熔融峰温度为145℃或更高,其中 DSC峰值熔融和峰值结晶温度之间的差异小于或等于熔融峰值温度减去41.333℃的0.5333倍,和包含10重量%至20重量%之间的乙烯 - 丙烯共聚物的50至99重量% 熔体流动速率为0.5至20,000g / 10min的随机分布的乙烯,其中共聚物通过本体均相聚合方法聚合,并且其中共聚物的连续丙烯链段中的总区域缺陷为40-150% 大于通过溶液聚合方法聚合的当量熔体流动速率和wt%乙烯的共聚物。 用于生产共混物的在线方法包括提供两个或更多个平行的反应器列和用于产物共混和产物进料分离的分离器; 其中所述两个或多个反应器列车在流体相体积均匀条件下操作,并且所述列车中的至少一个在超临界条件下操作。

    Heterogeneous polymer blends and molded articles therefrom
    20.
    发明授权
    Heterogeneous polymer blends and molded articles therefrom 有权
    非均相聚合物共混物及其模塑制品

    公开(公告)号:US07476710B2

    公开(公告)日:2009-01-13

    申请号:US11298145

    申请日:2005-12-09

    IPC分类号: C08L23/00 C08L23/04

    摘要: This invention relates to a molded article comprising a heterogeneous blend that includes: 1) from 60 to 99 weight percent of one or more semi-crystalline propylene homopolymers or copolymers having a melting point between 100 and 170 ° C. and a melt flow rate of 200 dg/min or less; and 2) from 1 to 40 weight % of one or more semi-amorphous propylene /C2 and/or C4 to C10 α-olefin copolymers each having a particular heat of fusion, a melt flow rate, intermolecular compositional distribution as determined by thermal fractionation in hexane, Mw/Mn, and propylene triad tacticity such that the molded part formed from the resulting blend has improved notched impact strength, flexibility, elongation, and resistance to stress whitening at a thickness of from 250 μpm to 10 mm.

    摘要翻译: 本发明涉及包含非均相共混物的模制品,其包括:1)60至99重量%的一种或多种半结晶丙烯均聚物或共聚物,其熔点为100-170℃,熔体流动速率为 200 dg / min以下; 和2)1至40重量%的一种或多种半无定形丙烯/ C 2和/或C 4至C 10α-烯烃共聚物,其各自具有特定的熔化热,熔体流动速率,通过热分馏确定的分子间组成分布 在己烷中,Mw / Mn和丙烯三单元线形立构规整度,使得由所得共混物形成的模塑部件具有改善的缺口冲击强度,柔韧性,伸长率和耐应力增白的厚度为250μm至10mm。