Long Chain Branched Polymers and Methods of Making Same
    1.
    发明申请
    Long Chain Branched Polymers and Methods of Making Same 审中-公开
    长链支化聚合物及其制备方法

    公开(公告)号:US20170037158A1

    公开(公告)日:2017-02-09

    申请号:US15298540

    申请日:2016-10-20

    Abstract: A polymer having a long chain branching content peaking at greater than about 20 long chain branches per million carbon atoms, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 8 long chain branches per million carbon atoms, a polydispersity index of greater than about 20 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 1 long chain branches per chain, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution.

    Abstract translation: 具有长链支化含量高于每百万个碳原子大于约20个长支链的聚合物,多分散指数大于约10,其中长链支化在分子量的较高分子量部分下降至约零 分配。 具有长链支化含量高于每百万个碳原子大于约8个长链分支的聚合物,多分散指数大于约20,其中长链支化在分子量分布的较高分子量部分下降至约零 。 具有长链支化含量在每链大于约1个长链分支峰值的聚合物,以及大于约10的多分散指数,其中在分子量分布的较高分子量部分,长链支链降至约为零。

    Methods of Preparing a Polymerization Catalyst
    2.
    发明申请
    Methods of Preparing a Polymerization Catalyst 有权
    制备聚合催化剂的方法

    公开(公告)号:US20140275458A1

    公开(公告)日:2014-09-18

    申请号:US13801193

    申请日:2013-03-13

    Abstract: A method comprising contacting a silica support material with a sulfating agent to form a sulfated silica support material comprising sulfate anions; thermally treating the sulfated silica support material to form a thermally treated sulfated silica support material; contacting the thermally treated sulfated silica support material with a chromium-containing compound to form a mixture; and thermally treating the mixture to form a polymerization catalyst. A method comprising thermally treating a silica support material to form a thermally-treated silica support material; contacting the thermally-treated silica support material with a sulfating agent to form a thermally treated sulfated silica support material; thermally treating the thermally treated sulfated silica support material to form a processed silica support material; contacting the processed silica support material with a chromium-containing compound to form a precursor polymerization catalyst; and thermally treating the precursor polymerization catalyst to form a polymerization catalyst.

    Abstract translation: 一种方法,包括使二氧化硅载体材料与硫酸化剂接触以形成包含硫酸根阴离子的硫酸化二氧化硅载体材料; 热处理硫酸化二氧化硅载体材料以形成经热处理的硫酸化二氧化硅载体材料; 使热处理的硫酸化二氧化硅载体材料与含铬化合物接触以形成混合物; 并对该混合物进行热处理以形成聚合催化剂。 一种方法,包括热处理二氧化硅载体材料以形成经热处理的二氧化硅载体材料; 使经热处理的二氧化硅载体材料与硫酸化剂接触以形成经热处理的硫酸化二氧化硅载体材料; 热处理热处理的硫酸化二氧化硅载体材料以形成加工的二氧化硅载体材料; 使经处理的二氧化硅载体材料与含铬化合物接触以形成前体聚合催化剂; 并对前体聚合催化剂进行热处理以形成聚合催化剂。

    Polymerization Catalysts and Polymers
    3.
    发明申请
    Polymerization Catalysts and Polymers 有权
    聚合催化剂和聚合物

    公开(公告)号:US20140275457A1

    公开(公告)日:2014-09-18

    申请号:US13799516

    申请日:2013-03-13

    Abstract: A method comprising contacting a support material with a transition metal compound to produce a mixture; thermally treating the mixture in the presence of oxygen at a temperature in a range of from about 100° C. to about 500° C. for a period of from about 1 hour to about 10 hours, wherein at least a portion of the transition metal sublimes onto the support material to produce a support material comprising a dispersed transition metal; and thermally treating the support material comprising the dispersed transition metal in an oxidizing atmosphere at a temperature in a range of from about 550° C. to about 900° C. for a period of from about 1 hour to about 10 hours to produce a polymerization catalyst.

    Abstract translation: 一种方法,包括使支撑材料与过渡金属化合物接触以产生混合物; 在氧气存在下,在约100℃至约500℃的温度范围内热处理混合物约1小时至约10小时,其中至少一部分过渡金属 升华到支撑材料上以产生包含分散的过渡金属的支撑材料; 并在包含分散的过渡金属的载体材料的氧化气氛中,在约550℃至约900℃的温度范围内热处理约1小时至约10小时,以产生聚合 催化剂。

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