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18 条记录 (耗时 0.022 秒)

    PROPYLENE-BASED COMPOSITIONS OF ENHANCED APPEARANCE AND EXCELLENT MOLD FLOWABILITY
    1.
    发明申请
    PROPYLENE-BASED COMPOSITIONS OF ENHANCED APPEARANCE AND EXCELLENT MOLD FLOWABILITY 审中-公开
    基于丙烯的组合物，增强外观和优异的模具流动性

    公开(公告)号：US20120157599A1

    公开(公告)日：2012-06-21

    申请号：US13328515

    申请日：2011-12-16

    申请人： Antonios K. Doufas ,  Edward Catalina ,  William C. Thurston ,  Rita Majewski

    发明人： Antonios K. Doufas ,  Edward Catalina ,  William C. Thurston ,  Rita Majewski

    IPC分类号： C08L23/16 ,  C08L23/12

    CPC分类号： C08L23/16 ,  C08L23/10 ,  C08L23/142 ,  C08L2205/02 ,  C08L2314/02

    摘要： The present invention relates to a class of impact copolymer polypropylene (ICP) compositions exhibiting the advantageous combination of excellent tiger (flow) marking performance in large/long molded parts, very low gels count and exceptional mold flowability (high MFR) despite the high viscosity ratio (e.g., >4) between rubber and propylene based matrix phases. The inventive compositions exhibit significantly reduced the levels of volatiles, and excellent stiffness-impact balance used as standalone materials or in filled compounds. The significantly reduced number of large gels leads to excellent surface appearance and paintability of the molded parts. The composition of the present invention is made with a bulk/gas reactor process (i.e., non-slurry/non-solvent process) that has the advantage of process simplicity, process efficiency and simplicity of compositional structure relative to the complexity in structure and process of making of compositions in the prior art.

    摘要翻译： 本发明涉及一类抗冲共聚聚丙烯（ICP）组合物，其表现出在大/长成型部件中优异的老虎（流动）标记性能的有利组合，非常低的凝胶计数和优异的模具流动性（高MFR），尽管高粘度 橡胶和丙烯基体相之间的比例（例如> 4）。 本发明的组合物显示出挥发物的水平显着降低，以及用作独立材料或填充的化合物中的优异的刚度 - 冲击平衡。 大量凝胶的显着减少导致模制件的优异的表面外观和可着色性。 本发明的组合物采用本体/气体反应器方法（即，非浆液/非溶剂方法）制成，其具有工艺简单性，工艺效率和组成结构简单性相对于结构和工艺复杂性的优点 制备现有技术中的组合物。

    POLYPROPYLENE IMPACT COPOLYMER COMPOSITIONS
    5.
    发明申请
    POLYPROPYLENE IMPACT COPOLYMER COMPOSITIONS 有权
    聚丙烯冲击共聚物组合物

    公开(公告)号：US20110207883A1

    公开(公告)日：2011-08-25

    申请号：US12711616

    申请日：2010-02-24

    申请人： Antonios K. Doufas ,  Carol R. Barvinchak ,  Edward Catalina

    发明人： Antonios K. Doufas ,  Carol R. Barvinchak ,  Edward Catalina

    IPC分类号： C08F2/01 ,  C08L23/08 ,  C08L23/12 ,  C08L23/14

    CPC分类号： C08F210/16 ,  C08F110/06 ,  C08F255/02 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L51/06 ,  C08L2205/02 ,  C08L2207/02 ,  C08L2314/02 ,  C08F2/001 ,  C08F2500/15 ,  C08F2500/12 ,  C08F2500/21 ,  C08F210/06 ,  C08F210/02

    摘要： The present invention relates to an impact-resistant olefin polymer composition including a polypropylene matrix having a weight average molecular weight and an ethylene-containing polymer including an ethylene-propylene copolymer having a molecular weight higher than the weight average molecular weight of the polypropylene matrix, the composition containing about 20 to 35 percent xylene solubles, and the xylene solubles fraction of the composition containing less than about 39 weight percent ethylene units, based on the combined weight of olefin monomers in the copolymer. The present invention further relates to impact copolymer compositions with a melt flow rate greater than about 8 that meet or exceed all pallet testing requirements. The compositions have superior stiffness-impact balance performance and excellent gloss and are useful for a number of applications including, but not limited to pallets, water-storm chambers, automotive compounding, septic tanks, bins, pales, crates, totes and plastic containers.

    摘要翻译： 本发明涉及一种耐冲击烯烃聚合物组合物，其包含具有重均分子量的聚丙烯基质和包含分子量高于聚丙烯基质的重均分子量的乙烯 - 丙烯共聚物的含乙烯聚合物， 基于共聚物中烯烃单体的总重量，该组合物含有约20至35％的二甲苯可溶物，以及组合物的二甲苯可溶物组分含有小于约39重量％的乙烯单元。 本发明还涉及熔体流动速率大于约8的冲击共聚物组合物，其满足或超过所有托盘测试要求。 组合物具有优异的刚度 - 冲击平衡性能和优异的光泽度，并且对于许多应用是有用的，包括但不限于托盘，水风室，汽车复合，化粪池，箱，盘，箱，手提箱和塑料容器。