Novel Catalyst Systems and Methods of Making and Using Same
    1.
    发明申请
    Novel Catalyst Systems and Methods of Making and Using Same 有权
    新型催化剂体系及其使用方法

    公开(公告)号:US20120059134A1

    公开(公告)日:2012-03-08

    申请号:US12876954

    申请日:2010-09-07

    摘要: A catalyst composition comprising (a) a first metallocene complex represented by the general formula: where M1 is Ti, Zr or Hf, X1 and X2 are each independently F, Cl, Br, I, methyl, benzyl, phenyl, H, BH4, a hydrocarbyloxide group having up to 20 carbon atoms, a hydrocarbylamino group having up to 20 carbon atoms, a trihydrocarbylsilyl group having up to 20 carbon atoms, OBR′2 wherein R′ may be an alkyl group having up to 12 carbon atoms or an aryl group having up to 12 carbon atoms, and SO3R″ wherein R″ may be an alkyl group having up to 12 carbon atoms or an aryl group having up to 12 carbon atoms, and Cp1 and Cp2 are each independently a substituted or unsubstituted cyclopentadienyl group, or a substituted or unsubstituted indenyl group, where any substituent on Cp1 and Cp2 is H, a hydrocarbyl group having up to 18 carbon atoms or a hydrocarbylsilyl group having up to 18 carbon atoms, (b) a second metallocene complex, (c) a non-group 4 metallocene transition-metal complex, (d) an activator or activator-support, and (e) an optional cocatalyst.

    摘要翻译: 一种催化剂组合物,其包含(a)由以下通式表示的第一茂金属络合物:其中M1是Ti,Zr或Hf,X1和X2各自独立地为F,Cl,Br,I,甲基,苄基,苯基,H, 具有至多20个碳原子的烃氧基,具有至多20个碳原子的烃基氨基,具有至多20个碳原子的三烃基甲硅烷基,OBR 2,其中R'可以是具有至多12个碳原子的烷基或芳基 具有至多12个碳原子的基团,SO 3 R“其中R”可以是具有至多12个碳原子的烷基或具有至多12个碳原子的芳基,并且Cp1和Cp2各自独立地为取代或未取代的环戊二烯基, 或取代或未取代的茚基,其中Cp1和Cp2上的任何取代基为H,具有至多18个碳原子的烃基或具有至多18个碳原子的烃基甲硅烷基,(b)第二茂金属络合物,(c) 非4族茂金属过渡金属络合物, (d)活化剂或活化剂 - 载体,和(e)任选的助催化剂。

    POLYMER COMPOSITIONS FOR BLOW MOLDING APPLICATIONS
    2.
    发明申请
    POLYMER COMPOSITIONS FOR BLOW MOLDING APPLICATIONS 有权
    用于吹塑成型应用的聚合物组合物

    公开(公告)号:US20120316311A1

    公开(公告)日:2012-12-13

    申请号:US13156102

    申请日:2011-06-08

    IPC分类号: C08F10/14

    摘要: A polymer having a density of from about 0.960 g/cc to about 0.965 g/cc and a melt index of from about 0.2 g/10 min. to about 0.6 g/10 min. wherein an article formed from the polymer has an environmental stress crack resistance of equal to or greater than about 150 hours when measured in accordance with ASTM D 1693 condition B, 100% Igepal. A polymer having a density of from about 0.955 g/cc to about 0.960 g/cc and a melt index of from about 0.2 g/10 min. to about 0.6 g/10 min. wherein an article formed from the polymer has an environmental stress crack resistance of equal to or greater than about 500 hours when measured in accordance with ASTM D 1693 condition B, 100% Igepal.

    摘要翻译: 密度为约0.960g / cc至约0.965g / cc,熔体指数为约0.2g / 10min的聚合物。 至约0.6g / 10min。 其中根据ASTM D1693条件B,100%Igepal测量时,由聚合物形成的制品具有等于或大于约150小时的环境应力开裂性。 密度为约0.955g / cc至约0.960g / cc,熔体指数为约0.2g / 10min的聚合物。 至约0.6g / 10min。 其中根据ASTM D 1693条件B,100%Igepal测量,由聚合物形成的制品具有等于或大于约500小时的环境应力开裂性。

    Polymer Resins Having Improved Barrier Properties and Methods of Making Same
    4.
    发明申请
    Polymer Resins Having Improved Barrier Properties and Methods of Making Same 有权
    具有改善阻隔性能的聚合物树脂及其制备方法

    公开(公告)号:US20120058324A1

    公开(公告)日:2012-03-08

    申请号:US12875373

    申请日:2010-09-03

    IPC分类号: C08F4/42 C08F4/00 C08F110/02

    摘要: A polymeric resin having a lower molecular weight (LMW) component and a higher molecular weight (HMW) component and the resin having a density of from about 0.955 g/cc to about 0.967 g/cc, a melt index of from about 0.5 dg/min to about 4.0 dg/min, and a zero shear viscosity of from about 3.0×103 Pa-s to about 4.0×104 Pa-s. A method comprising providing a catalyst system comprising at least one transition metal complex, an activator support, and a cocatalyst; contacting the catalyst system with an olefin under conditions suitable to form a polyolefin, wherein the polyolefin has a HMW component and a LMW component; and recovering the polyolefin, wherein the polyolefin has a melt index of from about 0.5 dg/min to about 4.0 dg/min, and a zero shear viscosity of from about 3.0×103 Pa-s to about 4.0×104 Pa-s.

    摘要翻译: 具有较低分子量(LMW)组分和较高分子量(HMW)组分的聚合物树脂,该树脂的密度为约0.955g / cc至约0.967g / cc,熔体指数为约0.5dg / min至约4.0dg / min,零剪切粘度为约3.0×10 3 Pa·s至约4.0×10 4 Pa·s。 一种包括提供包含至少一种过渡金属络合物,活化剂载体和助催化剂的催化剂体系的方法; 在适于形成聚烯烃的条件下使催化剂体系与烯烃接触,其中聚烯烃具有HMW组分和LMW组分; 并回收聚烯烃,其中聚烯烃的熔体指数为约0.5dg / min至约4.0dg / min,零剪切粘度为约3.0×10 3 Pa〜s至约4.0×10 4 Pa·s。

    Methods of Preparing a Polymerization Catalyst
    5.
    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:US20110136996A1

    公开(公告)日:2011-06-09

    申请号:US13029309

    申请日:2011-02-17

    摘要: A method comprising (a) contacting a support and a chromium-containing compound to form chromium-containing support, (b) heat treating the chromium-containing support in an oxidizing atmosphere to form a treated support, (c) contacting the treated support with carbon monoxide to form a CO-contacted support, and (d) contacting the CO-contacted support with hydrogen to form a catalyst. A method comprising oxidizing a chromium-treated support to form a polymerization catalyst, contacting the polymerization catalyst with carbon monoxide to form a reduced polymerization catalyst, contacting the reduced polymerization catalyst with hydrogen to form an activated polymerization catalyst, and contacting the activated polymerization catalyst with ethylene in a reaction zone under suitable reaction conditions to form a random copolymer. A method comprising reducing a polymerization catalyst comprising Cr(VI) to form a polymerization catalyst comprising Cr(II), and treating the polymerization catalyst comprising Cr(II) with hydrogen.

    摘要翻译: 一种方法,包括(a)使载体和含铬化合物接触以形成含铬载体,(b)在氧化气氛中热处理含铬载体以形成经处理的载体,(c)使经处理的载体与 一氧化碳以形成CO-接触的载体,和(d)使CO-接触的载体与氢接触以形成催化剂。 一种方法,包括氧化铬处理的载体以形成聚合催化剂,使聚合催化剂与一氧化碳接触以形成还原的聚合催化剂,使还原的聚合催化剂与氢接触以形成活化的聚合催化剂,并使活化的聚合催化剂与 乙烯在合适的反应条件下在反应区中形成无规共聚物。 一种包括还原包含Cr(VI)的聚合催化剂以形成包含Cr(II)的聚合催化剂并用氢气处理包含Cr(II)的聚合催化剂的方法。

    Methods of Preparing a Catalyst
    6.
    发明申请
    Methods of Preparing a Catalyst 有权
    制备催化剂的方法

    公开(公告)号:US20130144017A1

    公开(公告)日:2013-06-06

    申请号:US13310570

    申请日:2011-12-02

    摘要: A method of preparing a catalyst comprising contacting an acidic colloidal silica suspension with a titanium-containing compound to form a mixture, adjusting the pH of mixture to about neutral to form a catalyst support, and contacting the catalyst support with chromium-containing compound to from a chromium-supported catalyst. A catalyst support prepared by contacting a colloidal silica suspension and a titanium-containing compound under acidic conditions to form a mixture, and contacting the mixture with a basic material in an amount sufficient to increase the pH of the mixture to about 7.

    摘要翻译: 一种制备催化剂的方法,包括使酸性胶体二氧化硅悬浮液与含钛化合物接触以形成混合物,将混合物的pH调节至约中性以形成催化剂载体,并将催化剂载体与含铬化合物接触, 铬载体催化剂。 通过在酸性条件下使胶体二氧化硅悬浮液和含钛化合物接触以形成混合物制备的催化剂载体,并使混合物与足以将混合物的pH增加至约7的碱性物质接触。

    Process of Melt Index Control
    8.
    发明申请
    Process of Melt Index Control 有权
    熔体指数控制过程

    公开(公告)号:US20120277386A1

    公开(公告)日:2012-11-01

    申请号:US13094408

    申请日:2011-04-26

    摘要: A method comprising contacting an olefin in the presence of a catalyst and a melt index modifier (MIM) under conditions suitable to form a polyolefin and recovering the polyolefin, wherein the polyolefin melt index is increased by at least about 25%, wherein the normalized catalyst activity is decreased by less than about 10%, and wherein the MIM is characterized by the general formula R1—HC═CH—R2 or R3R4C═CH2 where R1, R2, R3, R4 are each selected from the group consisting of a non-aromatic organyl group.

    摘要翻译: 一种方法,包括在适于形成聚烯烃和回收聚烯烃的条件下,在催化剂和熔体指数调节剂(MIM)存在下使烯烃接触,其中聚烯烃熔体指数增加至少约25%,其中归一化催化剂 活性降低小于约10%,其中MIM的特征在于通式为R 1 -H HC = CH-R 2或R 3 R 4C≡CH2,其中R 1,R 2,R 3,R 4各自选自非 - 芳香族有机基团。