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1. 发明申请

US20060182987A1 Propylene polymer composition and oriented film prepared thereby 有权
标题翻译：由此制备丙烯聚合物组合物和取向膜
公开(公告)号：US20060182987A1
公开(公告)日：2006-08-17
申请号：US11338619
申请日：2006-01-24
申请人： Luqiang Yu , Meifang Guo , Shijun Zhang , Jinliang Qiao , Wenbo Song , Qingshan Ma , Wei Zhang , Liangshi Wang , Xi Wang , Hao Tang , Rongmei Liu
发明人： Luqiang Yu , Meifang Guo , Shijun Zhang , Jinliang Qiao , Wenbo Song , Qingshan Ma , Wei Zhang , Liangshi Wang , Xi Wang , Hao Tang , Rongmei Liu
IPC分类号： B32B27/32
CPC分类号： C08F210/06 , C08F10/00 , C08F110/06 , C08L23/12 , C08L23/142 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31938 , C08F4/6465 , C08F2/001 , C08L2666/06 , C08F2500/12 , C08F2500/04 , C08F2500/15 , C08F2500/26 , C08F210/16
摘要： The present invention provides a propylene polymer composition for producing a biaxially oriented film, comprising propylene random copolymer and propylene homopolymer; wherein the propylene random copolymer is a copolymer of propylene and ethylene, optionally comprising one or more alpha-olefins of C4-C10; the propylene polymer composition has an overall isotacticity index, as determined by nuclear magnetic resonance method, of greater than or equal to 96.5%, and an ethylene content of greater than 0.3 wt %; and wherein, the melt flow rate of the propylene random copolymer is lower than that of the propylene homopolymer. The biaxially oriented polypropylene film produced by the propylene polymer composition of the present invention exhibits excellent physical properties, and has, in the absence of any stiffening agent, relatively higher modulus and stiffness. Moreover, the process for producing the biaxially oriented polypropylene film is featured with a good film-forming stability and a high film-forming stretching speed.
摘要翻译：本发明提供一种用于生产双轴取向膜的丙烯聚合物组合物，其包含丙烯无规共聚物和丙烯均聚物; 其中所述丙烯无规共聚物是丙烯和乙烯的共聚物，任选地包含一种或多种C 4 -C 10α-烯烃的α-烯烃; 丙烯聚合物组合物具有通过核磁共振方法测定的大于或等于96.5％的总体等规度指数，并且乙烯含量大于0.3重量％; 丙烯无规共聚物的熔体流动速率低于丙烯均聚物的熔体流动速率。由本发明的丙烯聚合物组合物制造的双轴取向聚丙烯膜显示出优异的物理性能，并且在没有任何硬化剂的情况下，具有相对较高的模量和刚度。此外，制造双轴取向聚丙烯膜的方法具有良好的成膜稳定性和高成膜拉伸速度。

2. 发明授权

US07611776B2 Propylene polymer composition and oriented film prepared thereby 有权
标题翻译：由此制备丙烯聚合物组合物和取向膜
公开(公告)号：US07611776B2
公开(公告)日：2009-11-03
申请号：US11338619
申请日：2006-01-24
申请人： Luqiang Yu , Meifang Guo , Shijun Zhang , Jinliang Qiao , Wenbo Song , Qingshan Ma , Wei Zhang , Liangshi Wang , Xi Wang , Hao Tang , Rongmei Liu
发明人： Luqiang Yu , Meifang Guo , Shijun Zhang , Jinliang Qiao , Wenbo Song , Qingshan Ma , Wei Zhang , Liangshi Wang , Xi Wang , Hao Tang , Rongmei Liu
IPC分类号： B32B27/00 , B32B27/08 , C08L23/00
CPC分类号： C08F210/06 , C08F10/00 , C08F110/06 , C08L23/12 , C08L23/142 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31938 , C08F4/6465 , C08F2/001 , C08L2666/06 , C08F2500/12 , C08F2500/04 , C08F2500/15 , C08F2500/26 , C08F210/16
摘要： The present invention provides a propylene polymer composition for producing a biaxially oriented film, comprising propylene random copolymer and propylene homopolymer; wherein the propylene random copolymer is a copolymer of propylene and ethylene, optionally comprising one or more alpha-olefins of C4-C10; the propylene polymer composition has an overall isotacticity index, as determined by nuclear magnetic resonance method, of greater than or equal to 96.5%, and an ethylene content of greater than 0.3 wt %; and wherein, the melt flow rate of the propylene random copolymer is lower than that of the propylene homopolymer. The biaxially oriented polypropylene film produced by the propylene polymer composition of the present invention exhibits excellent physical properties, and has, in the absence of any stiffening agent, relatively higher modulus and stiffness. Moreover, the process for producing the biaxially oriented polypropylene film is featured with a good film-forming stability and a high film-forming stretching speed.
摘要翻译：本发明提供一种用于生产双轴取向膜的丙烯聚合物组合物，其包含丙烯无规共聚物和丙烯均聚物; 其中所述丙烯无规共聚物是丙烯和乙烯的共聚物，任选地包含一种或多种C 4 -C 10的α-烯烃; 丙烯聚合物组合物具有通过核磁共振方法测定的大于或等于96.5％的总体等规度指数，并且乙烯含量大于0.3重量％; 丙烯无规共聚物的熔体流动速率低于丙烯均聚物的熔体流动速率。由本发明的丙烯聚合物组合物制造的双轴取向聚丙烯膜显示出优异的物理性能，并且在没有任何硬化剂的情况下，具有相对较高的模量和刚度。此外，制造双轴取向聚丙烯膜的方法具有良好的成膜稳定性和高成膜拉伸速度。

3. 发明申请

US20090326171A1 PROCESS FOR THE PREPARATION OF HIGH PERFORMANCE POLYPROPYLENE 审中-公开
标题翻译：制备高性能聚丙烯的方法
公开(公告)号：US20090326171A1
公开(公告)日：2009-12-31
申请号：US12297857
申请日：2007-04-20
申请人： Wenbo Song , Meifang Guo , Jinliang Qiao , Zhichao Yang , Shijun Zhang , Luqiang Yu
发明人： Wenbo Song , Meifang Guo , Jinliang Qiao , Zhichao Yang , Shijun Zhang , Luqiang Yu
IPC分类号： C08F2/01 , C08F4/42
CPC分类号： C08F110/02 , C08F10/00 , C08F110/06 , Y02P20/52 , Y10T428/139 , C08F2/001 , C08F2500/04 , C08F2500/15 , C08F4/6465
摘要： The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-unifomess of isotacticity of molecular chains of the final propylene polymers is improved by adjusting or controlling stereoselectivity of catalytic active sites under different hydrogen concentrations, namely, making the low molecular weight fraction of the polymers having a higher isotacticity and making the high molecular weight fraction of the polymers having a lower isotacticity, thereby overcoming the drawbacks of the propylene polymers having broad molecular weight distribution known in the art. The resulting final polymers have excellent combined properties, in particular, remarkably improved mechanical properties.
摘要翻译：本发明公开了一种制备高性能丙烯聚合物的方法，该方法利用高活性，高立体选择性齐格勒 - 纳塔催化剂和在不同氢气浓度下进行的两个或多个阶段的聚合，以制备具有宽分子量分布的丙烯聚合物，其中通过在不同氢浓度下调节或控制催化活性位点的立体选择性，即使得聚合物的低分子量分数具有更高的全同立构规整度并使其具有高分子量，从而提高了最终丙烯聚合物分子链全同立构规整度的非均匀性具有较低全同立构规整度的聚合物部分，从而克服了本领域已知的具有宽分子量分布的丙烯聚合物的缺点。所得的最终聚合物具有优异的组合性能，特别是显着提高的机械性能。

4. 发明授权

US09068030B2 Propylene homopolymer having high melt strength and preparation method thereof 有权
标题翻译：具有高熔体强度的丙烯均聚物及其制备方法
公开(公告)号：US09068030B2
公开(公告)日：2015-06-30
申请号：US13574435
申请日：2011-01-21
申请人： Wenbo Song , Meifang Guo , Shijun Zhang , Wenjun Wei , Honghong Huang , Luqiang Yu , Tao Liu , Huijie Hu , Huan Xu , Peiqian Yu , Xiaomeng Zhang
发明人： Wenbo Song , Meifang Guo , Shijun Zhang , Wenjun Wei , Honghong Huang , Luqiang Yu , Tao Liu , Huijie Hu , Huan Xu , Peiqian Yu , Xiaomeng Zhang
IPC分类号： C08F4/16 , C08F4/58 , C08F2/38 , C08F110/06
CPC分类号： C08F110/06 , C08F2/001 , C08F2500/01 , C08F2500/04 , C08F2500/11 , C08F2500/12 , C08F4/6465 , C08F4/6492
摘要： The present invention provides a process for preparing high melt strength propylene polymer by direct polymerization, comprising that a propylene polymer with wide molecular weight distribution and containing “very high molecular weight fraction” can be prepared by controlling the species and ratios of the external electron donors in the Ziegler-Natta catalyst system at different reaction stages according to the requirement for different molecular weight fractions in the different propylene polymerization stage of the series operation, and said polymer has excellent mechanical properties, especially with very high melt strength. The present invention also provides a propylene homopolymer with high melt strength, comprising the following features: (1) the MFR is 0.2-10 g/10 min at 230° C. with a load of 2.16 kg; (2) the molecular weight distribution Mw/Mn is 6-20; (3) the content of the fraction with a molecular weight higher than 5,000,000 is higher than or equal to 0.8 wt %; (4) Mz+1/Mn is higher than or equal to 70. Said homopolymer can be used in the preparation of foam products, thermoforming products, biaxial stretching films, blown films and blow-molded products.
摘要翻译：本发明提供了一种通过直接聚合制备高熔体强度丙烯聚合物的方法，包括具有宽分子量分布并含有“非常高分子量级分”的丙烯聚合物可以通过控制外部电子给体的种类和比例在不同反应阶段的齐格勒 - 纳塔催化剂体系中，根据在不同的丙烯聚合反应阶段对不同分子量馏分的要求，所述聚合物具有优异的机械性能，特别是具有非常高的熔体强度。本发明还提供具有高熔体强度的丙烯均聚物，其特征在于：（1）在230℃，2.16kg负荷下，MFR为0.2-10g / 10min; （2）分子量分布Mw / Mn为6〜20; （3）分子量高于5,000,000的级分的含量高于或等于0.8wt％; （4）Mz + 1 / Mn大于或等于70.所述均聚物可用于制备泡沫产品，热成型产品，双轴拉伸膜，吹塑薄膜和吹塑产品。

5. 发明申请

US20130023598A1 PROPYLENE HOMOPOLYMER HAVING HIGH MELT STRENGTH AND PREPARATION METHOD THEREOF 有权
标题翻译：具有高熔体强度的丙烯共聚物及其制备方法
公开(公告)号：US20130023598A1
公开(公告)日：2013-01-24
申请号：US13574435
申请日：2011-01-21
申请人： Wenbo Song , Meifang Guo , Shijun Zhang , Wenjun Wei , Honghong Huang , Luqiang Yu , Tao Liu , Huijie Hu , Huan Xu , Peiqian Yu , Xiaomeng Zhang
发明人： Wenbo Song , Meifang Guo , Shijun Zhang , Wenjun Wei , Honghong Huang , Luqiang Yu , Tao Liu , Huijie Hu , Huan Xu , Peiqian Yu , Xiaomeng Zhang
IPC分类号： C08F2/01 , C08F110/06
CPC分类号： C08F110/06 , C08F2/001 , C08F2500/01 , C08F2500/04 , C08F2500/11 , C08F2500/12 , C08F4/6465 , C08F4/6492
摘要： The present invention provides a process for preparing high melt strength propylene polymer by direct polymerization, comprising that a propylene polymer with wide molecular weight distribution and containing “very high molecular weight fraction” can be prepared by controlling the species and ratios of the external electron donors in the Ziegler-Natta catalyst system at different reaction stages according to the requirment for different molecular weight fractions in the different propylene polymerization stage of the series operation, and said polymer has excellent mechnical properties, especially with very high melt strength. The present invention also provides a propylene homopolymer with high melt strength, comprising the following features: (1) the MFR is 0.2-10 g/10 min at 230° C. with a load of 2.16 kg; (2) the molecular weight distribution Mw/Mn is 6-20; (3) the content of the fraction with a molecular weight higher than 5,000,000 is higher than or equal to 0.8 wt %; (4) Mz+1/Mn is higher than or equal to 70. Said homopolymer can be used in the preparation of foam products, thermoforming products, biaxial stretching films, blown films and blow-molded products.
摘要翻译：本发明提供了一种通过直接聚合制备高熔体强度丙烯聚合物的方法，包括具有宽分子量分布且含有非常高分子量级分的丙烯聚合物可以通过控制外部电子给体的种类和比例来制备齐格勒 - 纳塔催化剂体系在不同反应阶段根据不同分子量馏分在不同丙烯聚合反应阶段的操作要求，所述聚合物具有优异的机械性能，特别是具有非常高的熔体强度。本发明还提供具有高熔体强度的丙烯均聚物，其特征在于：（1）在230℃，2.16kg负荷下，MFR为0.2-10g / 10min; （2）分子量分布Mw / Mn为6〜20; （3）分子量高于5,000,000的级分的含量高于或等于0.8wt％; （4）Mz + 1 / Mn大于或等于70.所述均聚物可用于制备泡沫产品，热成型产品，双轴拉伸膜，吹塑薄膜和吹塑产品。

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