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1. 发明申请

WO2010036243A1 PEROXIDE-FREE DIRECT GRAFTING OF POLAR MONOMERS ON TO UNSATURATED POLYOLEFINS 审中-公开
标题翻译：极性单体对不饱和聚氧乙烯的过氧化物直接接枝
公开(公告)号：WO2010036243A1
公开(公告)日：2010-04-01
申请号：PCT/US2008/077485
申请日：2008-09-24
申请人： DOW GLOBAL TECHNOLOGIES INC. , COSTEAU, Chunxia , NEUBAUER, Anthony , WIKER, Nathan , POPE, Timothy , MICHIE, William
发明人： COSTEAU, Chunxia , NEUBAUER, Anthony , WIKER, Nathan , POPE, Timothy , MICHIE, William
IPC分类号： C08F255/02 , D01F6/04
CPC分类号： C08L51/06 , C08F8/06 , C08F255/00 , C08F255/02 , C08J5/045 , C08J2351/06 , C08K3/013 , C08K5/098 , C08K5/20 , C08L2666/02 , C08L2666/14 , C08F10/02
摘要： The present invention is a peroxide-free process for preparing a direct-grafted polyolefin. The process has the steps of (a) selecting an antioxidant-free, unsaturated polyolefin, (b) oxidizing the polyolefin, (c) selecting a graftable, polar monomer, (d) combining the polyolefin and the graftable, polar monomer, (e) forming free radicals on the oxidized polyolefin, and (f) grafting the graftable, polar monomer onto the polyolefin at the free-radical sites.
摘要翻译：本发明是一种无过氧化物的制备直接接枝聚烯烃的方法。该方法具有以下步骤：（a）选择不含抗氧化剂的不饱和聚烯烃，（b）氧化聚烯烃，（c）选择可接枝的极性单体，（d）将聚烯烃与可接枝的极性单体）在氧化聚烯烃上形成自由基，和（f）在可自由基部位将可接枝的极性单体接枝到聚烯烃上。

2. 发明申请

WO2011025742A1 ROTATIONAL MOLDED ARTICLES, AND METHOD OF MAKING THE SAME 审中-公开
标题翻译：旋转模制品及其制造方法
公开(公告)号：WO2011025742A1
公开(公告)日：2011-03-03
申请号：PCT/US2010/046367
申请日：2010-08-23
申请人： DOW GLOBAL TECHNOLOGIES INC. , DAVIS, Mark , KAPUR, Mridula , MICHIE, William , SCHINDLER, Peter , WIKER, Nathan , WILSON, Debra
发明人： DAVIS, Mark , KAPUR, Mridula , MICHIE, William , SCHINDLER, Peter , WIKER, Nathan , WILSON, Debra
IPC分类号： B29C41/04 , C08F210/16 , C08L23/08
CPC分类号： B29C41/04 , B29C2945/7605 , B29K2023/06 , B29K2995/0088 , C08F4/65912 , C08F4/65925 , C08F210/16 , C08L2205/06 , C08L2314/06 , C08F4/65916 , C08F210/14 , C08F2500/12 , C08F2500/13 , C08F2500/03
摘要： The instant invention provides rotational molded articles, and method of making the same. The rotational molded articles according to the present invention comprise a polyethylene composition comprising: (a) at least 85 percent by weight of the units derived from ethylene; and (b) less than 15 percent by weight of units derived from one or more α-olefin comonomers; wherein the polyethylene composition has a density in the range of 0.930 to 0.945 g/cm3, a molecular weight distribution (M w /M n ) in the range of 1.70 to 3.50, a melt index (I 2 ) in the range of 0.5 to 20 g/10 minutes, a molecular weight distribution (M z /M w ) in the range of less than 2.5, vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of the polyethylene composition.
摘要翻译：本发明提供旋转成型制品及其制造方法。根据本发明的旋转模塑制品包括聚乙烯组合物，其包含：（a）至少85重量％的衍生自乙烯的单元; 和（b）少于15重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中，所述聚乙烯组合物的密度为0.930〜0.945g / cm 3，分子量分布（Mw / Mn）为1.70〜3.50，熔体指数（I2）为0.5〜20g / 10分钟内，存在于聚乙烯组合物的主链中的每千个碳原子的分子量分布（Mz / Mw）小于2.5的乙烯基不饱和度小于0.06个乙烯基。

3. 发明申请

WO2009097222A1 POLYETHYLENE COMPOSITIONS, METHOD OF PRODUCING THE SAME, ARTICLES MADE THEREFROM, AND METHOD MAKING THE SAME 审中-公开
标题翻译：聚乙烯组合物，其制造方法，制造方法及制造方法
公开(公告)号：WO2009097222A1
公开(公告)日：2009-08-06
申请号：PCT/US2009/031808
申请日：2009-01-23
申请人： DOW GLOBAL TECHNOLOGIES INC. , MICHIE, William , DAVIS, Mark , WIKER, Nathan , WILSON, Debra , SCHINDLER, Peter , GARNETT, John
发明人： MICHIE, William , DAVIS, Mark , WIKER, Nathan , WILSON, Debra , SCHINDLER, Peter , GARNETT, John
IPC分类号： B29C45/00 , C08F10/02 , C08L23/08
CPC分类号： C08F210/16 , B29K2023/06 , C08L2314/06 , C08F210/14 , C08F2500/09 , C08F2500/03 , C08F2500/17 , C08F2500/20 , C08F2500/11 , C08F2500/12
摘要： The instant invention is a polyethylene composition, method of producing the same, articles made therefrom, and method of making the same. The polyethylene composition according to the instant invention comprises (1) less than or equal to 100 percent by weight of the units derived from ethylene; and (2) less than 15 percent by weight of units derived from one or more α-olefin comonomers. The polyethylene composition according the instant invention has a density in the range of 0.907 to 0.975 g/cm 3 , a molecular weight distribution (M w /M n ) in the range of 1.70 to 3.62, a melt index (I 2 ) in the range of 2 to 1000 g/10 minutes, a molecular weight distribution (M z /M w ) in the range of less than 2.5, and a vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of the composition. The process for producing a polyethylene composition according to the instant invention comprises the steps of: (1) (co)polymerizing ethylene and at least one or more α-olefin comonomers in the presence of a hafnium based metallocene catalyst via a gas phase (co)polymerization process in a single stage reactor; and (2) thereby producing the inventive polyethylene composition, wherein the polyethylene composition has a density in the range of 0.907 to 0.975 g/cm 3 , a molecular weight distribution (M w /M n ) in the range of 1.70 to 3.62, a melt index (I 2 ) in the range of 2 to 1000 g/10 minutes, a molecular weight distribution (M z /M w ) in the range of less than 2.5, and a vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of said composition. The injection molded articles according to the instant invention comprise a polyethylene composition comprising (1) less than or equal to 100 percent by weight of the units derived from ethylene; and (2) less than 15 percent by weight of units derived from one or more α-olefin comonomers; wherein the polyethylene composition has a density in the range of 0.907 to 0.975 g/cm 3 , a molecular weight distribution (M w /M n ) in the range of 1.70 to 3.62, a melt index (I 2 ) in the range of 2 to 1000 g/10 minutes, a molecular weight distribution (M z /M w ) in the range of less than 2.5, vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of said composition. The process for making an injection molded article according to the instant invention comprises the steps of: (a) selecting a polyethylene composition comprising (1) less than or equal to 100 percent by weight of the units derived from ethylene; and (2) less than 15 percent by weight of units derived from one or more α-olefin comonomers; wherein the polyethylene composition has a density in the range of 0.907 to 0.975 g/cm 3 , a molecular weight distribution (M w /M n ) in the range of 1.70 to 3.62, a melt index (I 2 ) in the range of 2 to 1000 g/10 minutes, a molecular weight distribution (M z /M w ) in the range of less than 2.5, vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of said composition; (b) injection molding said polyethylene composition; and (c) thereby forming the injection molded article.
摘要翻译：本发明是聚乙烯组合物，其制造方法，由其制成的制品及其制造方法。根据本发明的聚乙烯组合物包含（1）小于或等于100重量％的衍生自乙烯的单元; 和（2）少于15重量％的衍生自一种或多种α-烯烃共聚单体的单元。本发明的聚乙烯组合物的密度范围为0.907-0.975g / cm3，分子量分布（Mw / Mn）在1.70〜3.62的范围内，熔体指数（I2）在2〜 1000g / 10分钟，小于2.5的分子量分布（Mz / Mw）和存在于组合物主链中的每1000个碳原子的小于0.06个乙烯基的乙烯基不饱和度。根据本发明的制备聚乙烯组合物的方法包括以下步骤：（1）在铪基茂金属催化剂存在下，通过气相（共 - （co））共聚合乙烯和至少一种或多种α-烯烃共聚单体）单级反应器中的聚合过程; （2）由此制备本发明的聚乙烯组合物，其中聚乙烯组合物的密度范围为0.907-0.975g / cm3，分子量分布（Mw / Mn）在1.70-3.62的范围内，熔体指数（ I2）在2至1000g / 10分钟的范围内，分子量分布（Mz / Mw）在小于2.5的范围内，乙烯基不饱和度低于0.06个乙烯基，每1000个碳原子存在于骨架中所说的组合。根据本发明的注塑制品包括聚乙烯组合物，其包含（1）小于或等于100重量％的衍生自乙烯的单元; 和（2）少于15重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述聚乙烯组合物的密度范围为0.907-0.975g / cm3，分子量分布（Mw / Mn）在1.70-3.62的范围内，熔体指数（I2）在2〜1000g / 10分钟，存在于所述组合物的骨架中的每千个碳原子的分子量分布（Mz / Mw）小于2.5的乙烯基不饱和度小于0.06个乙烯基。根据本发明的制备注射成型制品的方法包括以下步骤：（a）选择聚乙烯组合物，其包含（1）小于或等于100重量％的衍生自乙烯的单元; 和（2）少于15重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述聚乙烯组合物的密度范围为0.907-0.975g / cm3，分子量分布（Mw / Mn）在1.70-3.62的范围内，熔体指数（I2）在2〜1000g / 10分钟，存在于所述组合物的骨架中的每千个碳原子的分子量分布（Mz / Mw）小于2.5，乙烯基不饱和度小于0.06个乙烯基; （b）注塑所述聚乙烯组合物; 和（c），从而形成注塑制品。

4. 发明申请

WO2008136849A1 HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME, INJECTION MOLDED ARTICLES MADE THEREFROM, AND METHOD OF MAKING SUCH ARTICLES 审中-公开
标题翻译：高密度聚乙烯组合物，其制备方法，注射成型制品及制造这些制品的方法
公开(公告)号：WO2008136849A1
公开(公告)日：2008-11-13
申请号：PCT/US2007/082502
申请日：2007-10-25
申请人： DOW GLOBAL TECHNOLOGIES INC. , MICHIE, William , WHITED, Stephanie , WIKER, Nathan , ELLEY-BRISTOW, Dale
发明人： MICHIE, William , WHITED, Stephanie , WIKER, Nathan , ELLEY-BRISTOW, Dale
IPC分类号： C08L23/08 , C08F255/02 , C08F2/34 , C08F297/00
CPC分类号： C08L23/08 , B29C43/003 , B29C43/02 , B29C43/52 , B29C45/0001 , B29C49/0005 , B29K2023/065 , B29K2105/0094 , B29K2995/0063 , B29L2031/565 , B65D41/24 , C08F210/16 , C08L23/06 , C08L2205/02 , C08L2207/062 , H01B3/441 , C08F2/001 , C08F2/34 , C08L2666/06 , C08F210/14 , C08F2500/08 , C08F2500/12 , C08F2500/01 , C08F2500/13 , C08F2500/18 , C08F2500/07 , C08F2500/02
摘要： The instant invention is a high-density polyethylene composition, method of producing the same, injection molded articles made therefrom, and method of making such articles. The high-density polyethylene composition of the instant invention includes a first component, and a second component. The first component is a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.920 to 0.946 g/cm3, and a melt index (I21.6) in the range of 1 to 15 g/10 minutes. The second component is a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 30 to 1500 g/10 minutes. The high-density polyethylene composition has a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3. The method of producing a high-density polyethylene composition includes the following steps: (1) introducing ethylene, and one or more alpha-olefin comonomers into a first reactor; (2) (co)polymerizing the ethylene in the presence of one or more alpha-olefin comonomers in the first reactor thereby producing a first component, wherein the first component being a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.920 to 0.946 g/cm3, and a melt index (I21.6) in the range of 1 to 15 g/10 minutes; (3) introducing the first component and additional ethylene into a second reactor; (4) polymerizing the additional ethylene in the second reactor thereby producing a second component, wherein the second component being a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 30 to 1500 g/10 minutes; and (5) thereby producing the high-density polyethylene composition, wherein the high-density polyethylene composition having a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3. The injection molded articles according to instant invention comprise the above-described inventive high-density polyethylene composition, and such articles are made via injection molding.
摘要翻译：本发明是高密度聚乙烯组合物，其制造方法，由其制成的注塑制品及其制造方法。本发明的高密度聚乙烯组合物包括第一组分和第二组分。第一组分是密度在0.920至0.946g / cm 3范围内且熔体指数（I 21.6）在1至15g / 10分钟范围内的高分子量乙烯α-烯烃共聚物。第二组分是密度在0.965至0.980g / cm 3范围内的熔融指数（I 2）在30至1500g / 10分钟范围内的低分子量乙烯聚合物。高密度聚乙烯组合物的熔体指数（I 2）至少为1，密度在0.950至0.960g / cm3的范围内。制备高密度聚乙烯组合物的方法包括以下步骤：（1）将乙烯和一种或多种α-烯烃共聚单体引入第一反应器; （2）（共）在第一反应器中在一种或多种α-烯烃共聚单体存在下聚合乙烯，从而产生第一组分，其中第一组分是密度在该范围内的高分子量乙烯α-烯烃共聚物为0.920〜0.946g / cm3，熔体指数（I21.6）为1〜15g / 10分钟; （3）将第一组分和另外的乙烯引入第二反应器中; （4）在第二反应器中聚合另外的乙烯，从而产生第二组分，其中第二组分是密度在0.965至0.980g / cm 3范围内的低分子量乙烯聚合物和熔体指数（I 2）在范围为30〜1500g / 10分钟; 和（5），由此制备高密度聚乙烯组合物，其中熔体指数（I 2）至少为1，密度在0.950至0.960g / cm3范围内的高密度聚乙烯组合物。根据本发明的注塑制品包含上述本发明的高密度聚乙烯组合物，并且这些制品通过注射成型制成。

5. 发明申请

WO2008124557A1 POLYETHYLENE FILMS AND METHOD OF MAKING THE SAME 审中-公开
标题翻译：聚乙烯薄膜及其制备方法
公开(公告)号：WO2008124557A1
公开(公告)日：2008-10-16
申请号：PCT/US2008/059338
申请日：2008-04-04
申请人： DOW GLOBAL TECHNOLOGIES INC. , DESJARDINS, Sylvie , SPRINGS, Marc , HUSTAD, Phillip , WIKER, Nathan , NIETO, Jesus , KONZE, Wayde
发明人： DESJARDINS, Sylvie , SPRINGS, Marc , HUSTAD, Phillip , WIKER, Nathan , NIETO, Jesus , KONZE, Wayde
IPC分类号： C08J5/18
CPC分类号： C08F210/16 , C08J5/18 , C08J2323/08 , C08F4/52 , C08F210/14 , C08F2500/03 , C08F2500/12 , C08F2500/17 , C08F2500/26
摘要： The instant invention is a polyethylene film, and method of making the same. The polyethylene film according to instant invention includes at least one heterogeneously branched ethylene/α-olefin copolymer having a density in the range of about 0.910 to about 0.930 g/cm 3 , a molecular weight distribution in the range of about 2.8 to 3.8,, a melt index (I 2 ) in the range of about 0.3 to about 4 g/10 min, and an I 10 /I 2 ratio in the range of 6.5 to about 7.8. The film has a normalized dart impact strength of equal or greater than (6666-7012* density ) g/mil, a normalized tear strength of equal or greater than (440* e -( density -0.915) 2 / 2*(0.00949) 2 ) g/mil, and a haze in the range of 3 to 10 percent. The method of making the polyethylene film according to instant invention includes the following steps: (1) providing at least one heterogeneously branched ethylene/α-olefin copolymer having a density in the range of about 0.910 to about 0.930 g/cm 3 , a molecular weight distribution in the range of about 2.8 to 3.8,, a melt index (I 2 ) in the range of about 0.3 to about 4 g/10 min, and an I 10 /I 2 ratio in the range of 6.5 to about 7.8; (2) processing the heterogeneously branched ethylene/α-olefin copolymer via blown film extrusion process or cast film extrusion process; and (3) thereby forming a film having a normalized dart impact strength of equal or greater than (6666-7012* density ) g/mil, a normalized tear strength of equal or greater than (440* e -( density -0.915) 2 / 2*(0.00949) 2 ) g/mil, and a haze in the range of 3 to 10 percent.
摘要翻译：本发明是一种聚乙烯薄膜及其制造方法。根据本发明的聚乙烯膜包括至少一种密度在约0.910至约0.930g / cm 3范围内的非均匀支化的乙烯/α-烯烃共聚物，分子量分布范围约2.8至3.8μm，约0.3至约4g / 10min范围内的熔体指数（I 2 S 2 N）和1×10 3 / > 2 <6>范围在6.5至7.8之间。标准化的落镖冲击强度等于或大于（6666-7012 *密度）g / mil，归一化的撕裂强度等于或大于（440 * e - （密度-0.915）2 / > / 2 *（0.00949）2 / g / mil，雾度在3％至10％的范围内。根据本发明的制备聚乙烯膜的方法包括以下步骤：（1）提供至少一种密度在约0.910至约0.930g / cm 3范围内的非均匀支化的乙烯/α-烯烃共聚物在约2.8至3.8的范围内的分子量分布，约0.3至约4g / 10min范围内的熔体指数（I 2 N 2）和I 在6.5至约7.8的范围内的比例为10〜10 / （2）通过吹膜挤出法或流延膜挤出法处理非均匀支化的乙烯/α-烯烃共聚物; （3）由此形成具有等于或大于（6666-7012 *密度）g / mil的标准化飞镖冲击强度的膜，等于或大于（440 * e-（密度-0.915） SUP> 2/2 *（0.00949）2 / g / mil，雾度在3％至10％的范围内。

6. 发明申请

WO2012166093A1 A POLYETHYLENE BLEND COMPOSITION HAVING A REDUCED CHILL ROLL BUILDUP DURING EXTRUSION PROCESS 审中-公开
标题翻译：在挤出过程中具有减少的冷冻建筑物的聚乙烯混合组合物
公开(公告)号：WO2012166093A1
公开(公告)日：2012-12-06
申请号：PCT/US2011/038347
申请日：2011-05-27
申请人： DOW GLOBAL TECHNOLOGIES LLC , BRODIL, Jason , COOPER, James , WIKER, Nathan
发明人： BRODIL, Jason , COOPER, James , WIKER, Nathan
IPC分类号： C08L23/04 , C08L23/06 , C08L23/08
CPC分类号： C09D123/20 , C08J5/18 , C08J2323/08 , C08J2423/06 , C08L23/04 , C08L23/06 , C08L23/0815 , C08L2203/16 , C08L2205/02 , C08L2207/066 , C08L2314/06 , C09D123/0815 , Y10T428/31938 , C08L2666/06
摘要： The instant invention provides a polyethylene blend composition having reduced chill roll buildup during extrusion process, and films and coating layers made therefrom. The polyethylene blend composition according to the present invention provide reduced chill roll buildups during extrusion process, and comprises: (a) from 60 to 95 percent by weight of a linear polyethylene composition comprising less than or equal to 100 percent by weight of the units derived from ethylene, and less than 15 percent by weight of units derived from one or more α-olefin comonomers; wherein said linear polyethylene composition has a density in the range of from 0.917 to 0.975 g/cm 3 , a molecular weight distribution (M w /M n ) in the range of from 1.70 to 3.62, a melt index (I2) in the range of from 2 to 50 g/10 minutes, and a vinyl unsaturation in the range of from less than 0.06 vinyls per one thousand carbon atoms present in the linear polyethylene composition; and (b) from 5 to 40 percent by weight of a low density polyethylene composition (LDPE) having a density in the range of from 0.915 to 0.930 g/cm 3 , and a melt index (I 2 ) in the range of from 0.4 to 10; wherein the polyethylene blend composition has a density in the range of 0.917 to 0.960 g/cm 3 and a melt index (I 2 ) in the range of from 2 to 30 g/10 minutes.
摘要翻译：本发明提供了一种聚乙烯共混组合物，其在挤出过程中具有减少的冷却辊积聚，以及由其制成的薄膜和涂层。根据本发明的聚乙烯共混组合物在挤出过程中提供减少的冷却辊积累，并且包括：（a）60至95重量％的包含小于或等于100重量％衍生的单元的线性聚乙烯组合物和小于15重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述线性聚乙烯组合物的密度范围为0.917至0.975g / cm3，分子量分布（Mw / Mn）在1.70至3.62的范围内，熔体指数（I2）在2 至50g / 10分钟，以及存在于线性聚乙烯组合物中的每1000个碳原子的小于0.06个乙烯基的乙烯基不饱和度; 和（b）5-40重量％的密度为0.915-0.930g / cm3的低密度聚乙烯组合物（LDPE），熔体指数（I 2）为0.4-10 ; 其中所述聚乙烯共混组合物具有在0.917至0.960g / cm 3范围内的密度和2至30g / 10分钟范围内的熔体指数（I 2）。

7. 发明授权

EP2052026B1 HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME, INJECTION MOLDED ARTICLES MADE THEREFROM, AND METHOD OF MAKING SUCH ARTICLES 有权转让
标题翻译：高密度聚乙烯组合物，方法及其，由此制造这种制品注塑制品和方法制成
公开(公告)号：EP2052026B1
公开(公告)日：2009-12-02
申请号：EP07863496.1
申请日：2007-10-25
申请人： DOW GLOBAL TECHNOLOGIES INC.
发明人： MICHIE, William , WHITED, Stephanie , WIKER, Nathan , ELLEY-BRISTOW, Dale
IPC分类号： C08L23/08 , C08F255/02 , C08F2/34 , C08F297/00
CPC分类号： C08L23/08 , B29C43/003 , B29C43/02 , B29C43/52 , B29C45/0001 , B29C49/0005 , B29K2023/065 , B29K2105/0094 , B29K2995/0063 , B29L2031/565 , B65D41/24 , C08F210/16 , C08L23/06 , C08L2205/02 , C08L2207/062 , H01B3/441 , C08F2/001 , C08F2/34 , C08L2666/06 , C08F210/14 , C08F2500/08 , C08F2500/12 , C08F2500/01 , C08F2500/13 , C08F2500/18 , C08F2500/07 , C08F2500/02

8. 发明公开

EP2052026A1 HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME, INJECTION MOLDED ARTICLES MADE THEREFROM, AND METHOD OF MAKING SUCH ARTICLES 有权转让
标题翻译：高密度聚乙烯组合物，其制备方法，由其制备的注射成型制品以及制造这种制品的方法
公开(公告)号：EP2052026A1
公开(公告)日：2009-04-29
申请号：EP07863496.1
申请日：2007-10-25
申请人： DOW GLOBAL TECHNOLOGIES INC.
发明人： MICHIE, William , WHITED, Stephanie , WIKER, Nathan , ELLEY-BRISTOW, Dale
IPC分类号： C08L23/08 , C08F255/02 , C08F2/34 , C08F297/00
CPC分类号： C08L23/08 , B29C43/003 , B29C43/02 , B29C43/52 , B29C45/0001 , B29C49/0005 , B29K2023/065 , B29K2105/0094 , B29K2995/0063 , B29L2031/565 , B65D41/24 , C08F210/16 , C08L23/06 , C08L2205/02 , C08L2207/062 , H01B3/441 , C08F2/001 , C08F2/34 , C08L2666/06 , C08F210/14 , C08F2500/08 , C08F2500/12 , C08F2500/01 , C08F2500/13 , C08F2500/18 , C08F2500/07 , C08F2500/02
摘要： The instant invention is a high-density polyethylene composition, method of producing the same, injection molded articles made therefrom, and method of making such articles. The high-density polyethylene composition of the instant invention includes a first component, and a second component. The first component is a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.920 to 0.946 g/cm3, and a melt index (I21.6) in the range of 1 to 15 g/10 minutes. The second component is a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 30 to 1500 g/10 minutes. The high-density polyethylene composition has a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3. The method of producing a high-density polyethylene composition includes the following steps: (1) introducing ethylene, and one or more alpha-olefin comonomers into a first reactor; (2) (co)polymerizing the ethylene in the presence of one or more alpha-olefin comonomers in the first reactor thereby producing a first component, wherein the first component being a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.920 to 0.946 g/cm3, and a melt index (I21.6) in the range of 1 to 15 g/10 minutes; (3) introducing the first component and additional ethylene into a second reactor; (4) polymerizing the additional ethylene in the second reactor thereby producing a second component, wherein the second component being a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 30 to 1500 g/10 minutes; and (5) thereby producing the high-density polyethylene composition, wherein the high-density polyethylene composition having a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3. The injection molded articles according to instant invention comprise the above-described inventive high-density polyethylene composition, and such articles are made via injection molding.
摘要翻译：本发明是一种高密度聚乙烯组合物，其制造方法，由其制造的注塑制品，以及制造这种制品的方法。本发明的高密度聚乙烯组合物包含第一组分和第二组分。第一种组分是密度范围为0.920-0.946克/厘米3，熔体指数（I 21.6）范围为1-15克/ 10分钟的高分子量乙烯α-烯烃共聚物。第二组分是密度为0.965-0.980克/厘米3，熔体指数（I 2）为30-1500克/ 10分钟的低分子量乙烯聚合物。高密度聚乙烯组合物的熔体指数（I 2）至少为1，密度为0.950至0.960g / cm 3。生产高密度聚乙烯组合物的方法包括以下步骤：（1）将乙烯和一种或多种α-烯烃共聚单体引入第一反应器; （2）在第一反应器中在一种或多种α-烯烃共聚单体的存在下使乙烯（共）聚合，从而制备第一组分，其中第一组分是高分子量乙烯α-烯烃共聚物，其密度在该范围内为0.920-0.946g / cm 3，熔体指数（I 21.6）为1-15g / 10分钟; （3）将第一组分和另外的乙烯引入第二反应器中; （4）在第二反应器中聚合另外的乙烯，由此产生第二组分，其中第二组分是低分子量乙烯聚合物，其密度为0.965-0.980g / cm 3，熔体指数（I 2）为 30至1500克/ 10分钟的范围; 和（5）由此制备高密度聚乙烯组合物，其中所述高密度聚乙烯组合物具有至少1的熔体指数（I 2），0.950-0.960g / cm 3的密度。根据本发明的注塑制品包含上述本发明的高密度聚乙烯组合物，并且这种制品通过注塑制造。

9. 发明公开

EP2188100A1 POLYETHYLENE COMPOSITIONS, METHOD OF PRODUCING THE SAME, ARTICLES MADE THEREFROM, AND METHOD MAKING THE SAME 有权
标题翻译：聚乙烯组合物，制作方法，由此制品及其制造方法制成
公开(公告)号：EP2188100A1
公开(公告)日：2010-05-26
申请号：EP09706717.7
申请日：2009-01-23
申请人： Dow Global Technologies Inc.
发明人： MICHIE, William , DAVIS, Mark , WIKER, Nathan , WILSON, Debra , SCHINDLER, Peter , GARNETT, John
IPC分类号： B29C45/00 , C08F10/02 , C08L23/08
CPC分类号： C08F210/16 , B29K2023/06 , C08L2314/06 , C08F210/14 , C08F2500/09 , C08F2500/03 , C08F2500/17 , C08F2500/20 , C08F2500/11 , C08F2500/12
摘要： The instant invention is a polyethylene composition, method of producing the same, articles made therefrom, and method of making the same. The polyethylene composition according to the instant invention comprises (1) less than or equal to 100 percent by weight of the units derived from ethylene; and (2) less than 15 percent by weight of units derived from one or more α-olefin comonomers. The polyethylene composition according the instant invention has a density in the range of 0.907 to 0.975 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.62, a melt index (I2) in the range of 2 to 1000 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, and a vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of the composition. The process for producing a polyethylene composition according to the instant invention comprises the steps of: (1) (co)polymerizing ethylene and at least one or more α-olefin comonomers in the presence of a hafnium based metallocene catalyst via a gas phase (co)polymerization process in a single stage reactor; and (2) thereby producing the inventive polyethylene composition, wherein the polyethylene composition has a density in the range of 0.907 to 0.975 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.62, a melt index (I2) in the range of 2 to 1000 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, and a vinyl unsaturation of less than 0.06 vinyls per one thousand carbon atoms present in the backbone of said composition. The injection molded articles according to the instant invention comprise a polyethylene composition comprising (1) less than or equal to 100 percent by weight of the units derived from ethylene; and (2) less than 15 percent by weight of units derived from one or more α-ol

10. 发明公开

EP2137244A1 POLYETHYLENE FILMS AND METHOD OF MAKING THE SAME 有权转让
标题翻译：聚乙烯薄膜及其制造方法
公开(公告)号：EP2137244A1
公开(公告)日：2009-12-30
申请号：EP08745066.4
申请日：2008-04-04
申请人： DOW GLOBAL TECHNOLOGIES INC.
发明人： DESJARDINS, Sylvie , SPRINGS, Marc , HUSTAD, Phillip , WIKER, Nathan , NIETO, Jesus , KONZE, Wayde
IPC分类号： C08J5/18
CPC分类号： C08F210/16 , C08J5/18 , C08J2323/08 , C08F4/52 , C08F210/14 , C08F2500/03 , C08F2500/12 , C08F2500/17 , C08F2500/26
摘要： The instant invention is a polyethylene film, and method of making the same. The polyethylene film according to instant invention includes at least one heterogeneously branched ethylene/α-olefin copolymer having a density in the range of about 0.910 to about 0.930 g/cm3, a molecular weight distribution in the range of about 2.8 to 3.8,, a melt index (I2) in the range of about 0.3 to about 4 g/10 min, and an I10/I2 ratio in the range of 6.5 to about 7.8. The film has a normalized dart impact strength of equal or greater than (6666-7012* density) g/mil, a normalized tear strength of equal or greater than (440*e -(density-0.915)2 / 2*(0.00949)2) g/mil, and a haze in the range of 3 to 10 percent. The method of making the polyethylene film according to instant invention includes the following steps: (1) providing at least one heterogeneously branched ethylene/α-olefin copolymer having a density in the range of about 0.910 to about 0.930 g/cm3, a molecular weight distribution in the range of about 2.8 to 3.8,, a melt index (I2) in the range of about 0.3 to about 4 g/10 min, and an I10/I2 ratio in the range of 6.5 to about 7.8; (2) processing the heterogeneously branched ethylene/α-olefin copolymer via blown film extrusion process or cast film extrusion process; and (3) thereby forming a film having a normalized dart impact strength of equal or greater than (6666-7012* density) g/mil, a normalized tear strength of equal or greater than (440*e -(density-0.915)2 / 2*(0.00949)2 ) g/mil, and a haze in the range of 3 to 10 percent.

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