Increasing Rubber Phase Volume in Rubber-Modified Polystyrene
    231.
    发明申请
    Increasing Rubber Phase Volume in Rubber-Modified Polystyrene 审中-公开
    橡胶改性聚苯乙烯橡胶相体积增加

    公开(公告)号:US20150307644A1

    公开(公告)日:2015-10-29

    申请号:US14794209

    申请日:2015-07-08

    Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.

    Abstract translation: 一种制备具有增加的橡胶相体积的橡胶改性聚合物的方法,包括将乙烯基芳族单体和弹性体加入到聚合反应器中以形成反应混合物,使反应混合物聚合,将共聚物与聚合的反应混合物结合形成 混合物,使组合的混合物进一步聚合,并从进一步的聚合中获得橡胶改性的聚合物产物。

    SWELL INDEX OF HIPS USING ADDITIVES
    233.
    发明申请
    SWELL INDEX OF HIPS USING ADDITIVES 审中-公开
    使用添加剂的HIPS的SWELL指数

    公开(公告)号:US20150252134A1

    公开(公告)日:2015-09-10

    申请号:US14663648

    申请日:2015-03-20

    Abstract: A process for producing a high impact polystyrene having a high swell index may include feeding at least one vinyl aromatic monomer and at least one elastomer to at least one polymerization reactor to form a reaction mixture. The process may include polymerizing the reaction mixture, combining a chain transfer agent to the reaction mixture leaving the at least one polymerization reactor to form a combined mixture, and sending the combined mixture to a devolatilization zone. The process may include obtaining a HIPS product having a high swell index.

    Abstract translation: 用于生产具有高膨胀指数的高抗冲聚苯乙烯的方法可包括将至少一种乙烯基芳族单体和至少一种弹性体进料至至少一个聚合反应器以形成反应混合物。 该方法可以包括使反应混合物聚合,将链转移剂与反应混合物结合,离开至少一个聚合反应器以形成混合的混合物,并将合并的混合物送至脱挥发分区。 该方法可以包括获得具有高溶胀指数的HIPS产品。

    Methods of Making High Impact Polystyrene
    234.
    发明申请
    Methods of Making High Impact Polystyrene 审中-公开
    制造高抗冲聚苯乙烯的方法

    公开(公告)号:US20150175783A1

    公开(公告)日:2015-06-25

    申请号:US14639323

    申请日:2015-03-05

    CPC classification number: C08F2/001 C08F212/08 C08F279/02 C08L9/06 C08L2555/84

    Abstract: A process for producing high impact polystyrene including feeding at least one vinyl aromatic monomer, an elastomer, and a free radical initiator to a first linear flow reactor to form a reaction mixture. Polymerizing the reaction mixture in the first linear flow reactor to a point below the point at which phase inversion occurs to produce a first polymerization mixture and feeding the first polymerization mixture from the first linear flow reactor to a second linear flow reactor. Polymerizing the reaction mixture in the second linear flow reactor to at least a phase inversion point of the mixture to produce a second polymerization mixture and feeding the second polymerization mixture from the second linear flow reactor to at least a third linear flow reactor for post-inversion polymerization of the second polymerization mixture. The product stream can have an ESCR value of at least 10% toughness retained with less than 10 wt % rubber content.

    Abstract translation: 一种生产高抗冲聚苯乙烯的方法,包括将至少一种乙烯基芳族单体,弹性体和自由基引发剂进料至第一线性流动反应器以形成反应混合物。 将第一线性流动反应器中的反应混合物聚合到低于发生相转移点的点以产生第一聚合混合物并将第一聚合混合物从第一线性流动反应器进料到第二线性流动反应器。 将第二线性流动反应器中的反应混合物聚合到混合物的至少相转变点,以产生第二聚合混合物,并将第二聚合混合物从第二线性流动反应器进料到至少第三线性流动反应器用于后反转 第二聚合混合物的聚合。 产品流的ESCR值可以保持至少10%的韧性,橡胶含量小于10wt%。

    Low melt flow branched lonomers
    236.
    发明授权
    Low melt flow branched lonomers 有权
    低熔体流动分支单体

    公开(公告)号:US08889755B2

    公开(公告)日:2014-11-18

    申请号:US14103192

    申请日:2013-12-11

    Abstract: Embodiments of the present invention include a branched aromatic ionomer, and a process of making it, by co-polymerizing a first monomer comprising an aromatic moiety and an unsaturated alkyl moiety and a second monomer represented by the general formula: [R-AZ]y-MX wherein R is a hydrocarbon chain having from 2 to 40 carbons and at least one polymerizable unsaturation; A is an anionic group; M is a cationic group; Z is −1 or −2; X is +1, +2, +3, +4, or +5; and y is an integer having a value of from 1 to 4. The branched aromatic ionomer has a melt flow index ranging from 1.0 g/10 min. to 13 g/10 min. Optionally the melt flow index ranges from 1.3 g/10 min. to 1.9 g/10 min.

    Abstract translation: 本发明的实施方案包括支链芳族离聚物及其制备方法,通过共聚合包含芳族部分和不饱和烷基部分的第一单体和由通式[R-AZ] y表示的第二单体 -MX,其中R是具有2至40个碳的烃链和至少一个可聚合不饱和度; A是阴离子基团; M是阳离子基团; Z为-1或-2; X是+1,+2,+3,+4或+5; y为1〜4的整数。支链芳族离聚物的熔体流动指数为1.0g / 10min。 至13g / 10min。 任选地,熔体流动指数为1.3g / 10min。 至1.9g / 10分钟。

    Increasing Rubber Phase Volume in Rubber-Modified Polystyrene
    237.
    发明申请
    Increasing Rubber Phase Volume in Rubber-Modified Polystyrene 审中-公开
    橡胶改性聚苯乙烯橡胶相体积增加

    公开(公告)号:US20140323654A1

    公开(公告)日:2014-10-30

    申请号:US14328342

    申请日:2014-07-10

    Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.

    Abstract translation: 一种制备具有增加的橡胶相体积的橡胶改性聚合物的方法,包括将乙烯基芳族单体和弹性体进料到聚合反应器中以形成反应混合物,使反应混合物聚合,将共聚物与聚合的反应混合物结合形成 混合物,使组合的混合物进一步聚合,并从进一步的聚合中获得橡胶改性的聚合物产物。

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