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    Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
    2.
    发明授权
    Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers 失效
    由烯基芳族聚合物和α-烯烃/乙烯基或亚乙烯基芳族和/或空间位阻脂族或脂环族乙烯基或亚乙烯基共聚体的共混物制成的软和柔性泡沫

    公开(公告)号：US06231795B1

    公开(公告)日：2001-05-15

    申请号：US09205938

    申请日：1998-12-04

    申请人： Bharat I. Chaudhary ,  Lawrence S. Hood ,  Russell P. Barry

    发明人： Bharat I. Chaudhary ,  Lawrence S. Hood ,  Russell P. Barry

    IPC分类号： C08J900

    CPC分类号： C08J9/0061 ,  C08J2325/08 ,  C08J2423/00 ,  C08L23/08 ,  C08L23/0838 ,  C08L25/04 ,  C08L25/06 ,  C08L2203/14 ,  Y10S264/05 ,  Y10T428/249953 ,  Y10T428/249977 ,  C08L2666/04

    摘要： A soft foam having an Asker C hardness of less than about 65, comprising; (A) from about 30 to about 70 percent by weight (based on the combined weight of Components A and B) of one or more alkenyl aromatic polymers and wherein at least one of said alkenyl aromatic polymers has a molecular weight (Mw) of from about 100,000 to about 500,000; and (B) from about 30 to about 70 percent by weight (based on the combined weight of Components A and B) of one or more substantially random interpolymers having an I2 of about 0.1 to about 50 g/10 min, an Mw/Mn of about 1.5 to about 20; comprising (1) from about 8 to about 45 mol % of polymer units derived from; (a) at least one vinyl or vinylidene aromatic monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or (c) a combination of at least one aromatic vinyl or vinylidene monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, and (2) from about 55 to about 92 mol % of polymer units derived from at least one of ethylene and/or a C3-20 &agr;-olefin; and (3) from 0 to about 20 mol % of polymer units derived from one or more of ethylenically unsaturated polymerizable monomers other than those derived from (1) and (2); and (C) optionally, one or more nucleating agents; and (D) optionally, one or more other additives; and (E) one or more blowing agents present in a total amount of from about 0.4 to about 5.0 gram-moles per kilogram (based on the combined weight of Components A and B).

    摘要翻译： 具有小于约65的Asker C硬度的软质泡沫，包含：（A）约30至约70重量％（基于组分A和B的组合重量）一种或多种链烯基芳族聚合物，其中在 所述烯基芳族聚合物中的至少一种具有约100,000至约500,000的分子量（Mw）; 和（B）约30至约70重量％（基于组分A和B的组合重量）一种或多种具有约0.1至约50g / 10min的II的基本上无规的互聚物，Mw / Mn 约1.5至约20; 包含（1）约8至约45摩尔％的衍生自（a）至少一种乙烯基或亚乙烯基芳族单体或（b）至少一种受阻脂族或脂环族乙烯基或亚乙烯基单体的聚合物单元，或（c） 至少一种芳族乙烯基或亚乙烯基单体和至少一种受阻的脂族或脂环族乙烯基或亚乙烯基单体的组合，和（2）约55至约92摩尔％的衍生自乙烯和/或 C3-20α-烯烃; 和（3）从衍生自（1）和（2）的那些衍生的一种或多种烯属不饱和可聚合单体衍生的聚合物单元的0至约20mol％; 和（C）任选的一种或多种成核剂; 和（D）任选的一种或多种其它添加剂; 和（E）一种或多种发泡剂，其总量为约0.4至约5.0克/摩尔/千克（基于组分A和组分B的组合重量）。

    Blends of &agr;-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene monomer interpolymers with polyolefins
    5.
    发明授权
    Blends of &agr;-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene monomer interpolymers with polyolefins 有权
    α-烯烃/亚乙烯基芳族单体或受阻的脂族亚乙烯基单体互聚物与聚烯烃的共混物

    公开(公告)号：US06184294B2

    公开(公告)日：2001-02-06

    申请号：US09254252

    申请日：1999-03-02

    申请人： Chung P. Park ,  Johan Thoen ,  Rene Broos ,  Martin J. Guest ,  Yunwa W. Cheung ,  Bharat I Chaudhary ,  John J. Gathers ,  Lawrence S. Hood

    发明人： Chung P. Park ,  Johan Thoen ,  Rene Broos ,  Martin J. Guest ,  Yunwa W. Cheung ,  Bharat I Chaudhary ,  John J. Gathers ,  Lawrence S. Hood

    IPC分类号： C08F800

    CPC分类号： C09J123/16 ,  C08L23/02 ,  C08L23/04 ,  C08L23/08 ,  C08L23/0815 ,  C08L23/0838 ,  C08L23/0846 ,  C08L23/0853 ,  C08L23/0869 ,  C08L23/16 ,  C08L25/06 ,  C08L25/08 ,  C08L2203/14 ,  C08L2666/04 ,  C09J125/08

    摘要： A fabricated article other than a film comprising a thermoplastic blend prepared from polymeric materials consisting of; (A) from 1 to 99 weight percent of at least one interpolymer made from monomer components comprising (1) from 0.5 to 65 mole percent of (a) at least one aromatic vinylidene monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinylidene monomer, or (c) a combination of at least one aromatic vinylidene monomer and at least one hindered aliphatic or cycloaliphatic vinylidene monomer, and (2) from 99.5 to 35 mole percent of at least one aliphatic &agr;-olefin having from 2 to 20 carbon atoms; and (B) from 99 to 1 weight percent of at least one polymer made from monomer components comprising at least one &agr;-olefin having from 2 to 20 carbon atoms. These articles possess improved properties when compared to the properties of articles derived from the individual polymers comprising the blend. These articles are useful in the preparation of injection molded parts, bitumen and asphalt modification, hot melt and pressure sensitive adhesive systems.

    摘要翻译： 除了包含由聚合物材料制成的热塑性共混物的膜以外的制造制品， （A）1至99重量％的由单体组分制备的至少一种互聚物，其包含（1）0.5至65摩尔％的（a）至少一种芳族亚乙烯基单体，或（b）至少一个受阻脂族或环脂族 亚乙烯基单体，或（c）至少一种芳族亚乙烯基单体和至少一种受阻的脂族或脂环族亚乙烯基单体的组合，和（2）99.5-35％的至少一种具有2至20个的脂族α-烯烃 碳原子 和（B）99至1重量％的由包含至少一种具有2至20个碳原子的α-烯烃的单体组分制成的至少一种聚合物。与来自该个体的制品的性质相比，这些制品具有改进的性能 包含该共混物的聚合物。 这些制品在制备注塑件，沥青和沥青改性剂，热熔和压敏粘合剂体系中是有用的。

    Extruded polystyrene foam with broad comonomer content distribution
    8.
    发明授权
    Extruded polystyrene foam with broad comonomer content distribution 有权
    具有广泛共聚单体含量分布的挤出聚苯乙烯泡沫

    公开(公告)号：US08268904B2

    公开(公告)日：2012-09-18

    申请号：US12877166

    申请日：2010-09-08

    申请人： Lawrence S. Hood ,  Brian H. Deshano

    发明人： Lawrence S. Hood ,  Brian H. Deshano

    IPC分类号： C08J9/00

    CPC分类号： C08J9/125 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2205/052 ,  C08J2325/12

    摘要： Prepare an extruded polymeric foam using a thermoplastic polymer composition of styrene-acrylonitrile copolymer having a copolymerized acrylonitrile comonomer content of 20 weight-percent or less, a mean acrylonitrile comonomer content that exceeds its median acrylonitrile comonomer content and an average copolymerized acrylonitrile comonomer distribution having a breadth at half-height that is greater than 2.5 weight-percent as measured at half peak height of a copolymerized acrylonitrile comonomer distribution curve for the styrene-acrylonitrile copolymer.

    摘要翻译： 使用共聚丙烯腈共聚单体含量为20重量％以下的苯乙烯 - 丙烯腈共聚物的热塑性聚合物组合物，超过其中间丙烯腈共聚单体含量的平均丙烯腈共聚单体含量和平均共聚丙烯腈共聚单体分布来制备挤出聚合物泡沫体， 苯乙烯 - 丙烯腈共聚物的共聚丙烯腈共聚单体分布曲线的半峰高处测得的半高宽度大于2.5重量％。

    Positive skew styrene-acrylonitrile copolymer foam
    10.
    发明授权
    Positive skew styrene-acrylonitrile copolymer foam 有权
    正偏苯乙烯 - 丙烯腈共聚物泡沫

    公开(公告)号：US08324287B2

    公开(公告)日：2012-12-04

    申请号：US12933173

    申请日：2009-03-30

    申请人： Lawrence S. Hood ,  Stephane Costeux ,  William A. Heeschen

    发明人： Lawrence S. Hood ,  Stephane Costeux ,  William A. Heeschen

    IPC分类号： C08J9/12 ,  C08F220/44

    CPC分类号： C08J9/12 ,  C08F212/10 ,  C08J9/125 ,  C08J2201/03 ,  C08J2205/052 ,  C08J2325/12

    摘要： Prepare a polymeric foam from a foamable polymer composition containing a thermoplastic polymer composition and a blowing agent wherein 75 percent or more by weight of all non-halogenated polymers in the foamable polymer composition is a styrene-acrylonitrile copolymer composition having a polymerized acrylonitrile content distribution with a positive skew in a copolymerized AN content distribution and a positive percent difference between the mean and the median copolymerized AN content distribution.

    摘要翻译： 从包含热塑性聚合物组合物和发泡剂的可发泡聚合物组合物制备聚合物泡沫体，其中可发泡聚合物组合物中所有非卤化聚合物的重量百分比为75％或更多的是苯乙烯 - 丙烯腈共聚物组合物，其具有聚合的丙烯腈含量分布与 共聚AN含量分布中的正偏差和平均值和中值共聚AN含量分布之间的正百分比差异。