RUBBER-REINFORCED VINYL AROMATIC POLYMERS
    11.
    发明申请
    RUBBER-REINFORCED VINYL AROMATIC POLYMERS 审中-公开
    橡胶增强的乙烯芳族聚合物

    公开(公告)号:US20110124813A1

    公开(公告)日:2011-05-26

    申请号:US12975536

    申请日:2010-12-22

    IPC分类号: C08L53/02 C08L51/04

    摘要: Rubber-reinforced vinyl aromatic polymers having a strictly bimodal morphology, comprising from 55 to 90% by weight of a rigid polymeric matrix and from 10 to 45% by weight of a rubbery phase dispersed inside said rigid polymeric matrix, in the form of grafted and occluded particles and wherein said rubber particles consist of from 60 to 99% by weight of particles with a capsule or “core-shell” morphology and from 1 to 40% by weight of particles with a “salami” morphology, said percentages being measured on the basis of the weight of the rubber particles only.

    摘要翻译: 具有严格双峰形态的橡胶增强乙烯基芳族聚合物,其包含55-90%重量的刚性聚合物基质和10至45%重量的分散在所述刚性聚合物基体内部的橡胶相,其形式为接枝和 封闭的颗粒,其中所述橡胶颗粒由60至99重量%的具有胶囊或“核 - 壳”形态的颗粒和1至40重量%的具有“萨拉米香肠”形态的颗粒组成,所述百分比在 橡胶颗粒重量的基础。

    Compositions based on expandable vinylaromatic polymers with an improved expandability
    14.
    发明申请
    Compositions based on expandable vinylaromatic polymers with an improved expandability 审中-公开
    基于可扩展乙烯基芳族聚合物的组合物具有改进的可扩展性

    公开(公告)号:US20060241195A1

    公开(公告)日:2006-10-26

    申请号:US11454936

    申请日:2006-06-19

    IPC分类号: C08J9/00

    摘要: Compositions of expandable vinylaromatic polymers which contain a polymer, of at least one vinylaromatic monomer, having an average molecular weight Mw ranging from 50,000 to 170,000, which comprise: a) 0-50% by weight of a copolymer obtained by polymerizing one or more vinylaromatic monomers and 0.1-15% by weight of an α-alkylstyrene; b) 0-10% by weight of a compatible polymer having a crystallinity lower than 10% and a glass transition temperature (Tg) higher than 100° C., the remaining percentage consisting of the vinylaromatic polymer; c) 2-10% by weight, calculated with respect to the total, of an expanding agent; with the proviso that at least one of (a) or (b) is present in the polymeric mixture.

    摘要翻译: 包含聚合物的至少一种乙烯基芳族单体,其平均分子量Mw范围为50,000至170,000的可膨胀乙烯基芳族聚合物的组合物,其包含:a)0-50重量%的通过聚合一种或多种乙烯基芳族化合物 单体和0.1-15重量%的α-烷基苯乙烯; b)0-10重量%的结晶度低于10%且玻璃化转变温度(Tg)高于100℃的相容聚合​​物,剩余的百分比由乙烯基芳族聚合物组成; c)相对于总量计,膨胀剂为2-10重量% 条件是聚合物混合物中存在(a)或(b)中的至少一种。

    Expandable vinylaromatic polymers and process for their preparation
    15.
    发明申请
    Expandable vinylaromatic polymers and process for their preparation 审中-公开
    可膨胀的乙烯基芳族聚合物及其制备方法

    公开(公告)号:US20060058407A1

    公开(公告)日:2006-03-16

    申请号:US11250365

    申请日:2005-10-17

    IPC分类号: C08J9/16 B29C44/34

    摘要: Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 0.05-25% by weight, calculated with respect to the polymer (a), of an inorganic filler homogeneously distributed in the polymeric matrix with a substantially spherical granulometry, an average diameter ranging from 0.01 to 100 μm, a refraction index higher than 1.6 and a white index, as defined in “Colour Index” (third edition published by the Society of Dyers and Colourists, 1982), equal to or lower than 22.

    摘要翻译: 可膨胀的乙烯基芳族聚合物,其包含:a)通过聚合50-100重量%的一种或多种乙烯基芳族单体和0.50重量%的可共聚单体获得的基体; b)相对于聚合物(a)计算的占聚合物基质中的发泡剂的1-10重量% c)相对于聚合物(a)计算的0.05-25重量%的均匀分布在聚合物基质中的无机填料,其基本上为球形粒度,平均直径为0.01至100μm,折射率高于 1.6和白色指数,如“颜色指数”(由Dyers and Colourists,1982年出版的第三版)定义的等于或低于22。

    EXPANDABLE THERMOPLASTIC NANOCOMPOSITE POLYMERIC COMPOSITIONS WITH AN IMPROVED THERMAL INSULATION CAPACITY
    20.
    发明申请
    EXPANDABLE THERMOPLASTIC NANOCOMPOSITE POLYMERIC COMPOSITIONS WITH AN IMPROVED THERMAL INSULATION CAPACITY 有权
    具有改进的热绝缘能力的可膨胀的热塑性纳米复合材料聚合物组合物

    公开(公告)号:US20120264836A1

    公开(公告)日:2012-10-18

    申请号:US13500763

    申请日:2010-10-06

    摘要: Nanocomposite compositions based on expandable thermoplastic polymers which comprise: a) a polymeric matrix produced by the polymerization of a base comprising one or more polymerizable monomers; b) 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; c) 0.004-15% by weight, calculated with respect to the polymer (a), of an athermanous filler comprising nano-scaled graphene plates with a thickness (orthogonal to the graphene sheet) not greater than 150 nm, an average dimension (length, width, or diameter) not greater than 10 micrometers and a surface area>50 m2/g.

    摘要翻译: 基于可膨胀热塑性聚合物的纳米复合组合物,其包含:a)通过包含一种或多种可聚合单体的碱的聚合制备的聚合物基体; b)相对于聚合物(a)计算的占聚合物基质中的发泡剂的1-10重量% c)相对于聚合物(a)计算的0.004-15重量%的包含不大于150nm厚度(与石墨烯片正交的)的纳米级石墨烯板的惰性填料,平均尺寸(长度 ,宽度或直径)不大于10微米,表面积> 50m 2 / g。