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1. 发明授权

US08835569B2 Fractional melt index polyethylene composition and films made therefrom 有权
标题翻译：分数熔体指数聚乙烯组合物和由其制成的薄膜
公开(公告)号：US08835569B2
公开(公告)日：2014-09-16
申请号：US13808724
申请日：2012-06-08
申请人： Lawrence J. Effler , Cornelis F. J. den Doelder , Mehmet Demirors , Jian Wang
发明人： Lawrence J. Effler , Cornelis F. J. den Doelder , Mehmet Demirors , Jian Wang
IPC分类号： C08L33/04 , C08L33/10 , C08F8/00 , C08L23/06
CPC分类号： C08L23/06 , C08L2205/02 , C08L2314/02
摘要： A reactor blend polyethylene composition comprising: from 35 to 70 percent by weight of a first polyethylene component; and a second polyethylene component; wherein the polyethylene resin has a melt index I2 of less than 1 dg/min and greater than or equal to 0.25 dg/min and exhibits a V0.1/V100 of greater than or equal to 9; and wherein the first and second polyethylene components are produced in continuous dual solution polymerization reactors, wherein the second polyethylene component is produced in the presence of the first polyethylene component and wherein a Ziegler-Natta catalyst is present in each of the first and second polymerization reactors is provided. Also provided are methods for producing the polyethylene resin and films made therefrom.
摘要翻译：一种反应器共混聚乙烯组合物，其包含：35至70重量％的第一聚乙烯组分; 和第二聚乙烯组分; 其中所述聚乙烯树脂具有小于1dg / min且大于或等于0.25dg / min的熔体指数I2，并且表现出大于或等于9的V0.1 / V100; 并且其中所述第一和第二聚乙烯组分在连续双溶液聚合反应器中制备，其中所述第二聚乙烯组分在第一聚乙烯组分存在下制备，并且其中齐格勒 - 纳塔催化剂存在于第一和第二聚合反应器被提供。还提供了制备聚乙烯树脂的方法和由其制成的膜。

2. 发明申请

US20140113090A1 POLYETHYLENE BLEND COMPOSITION SUITABLE FOR BLOWN FILM, METHOD OF PRODUCING THE SAME, AND FILMS MADE THEREFROM 有权
标题翻译：适用于薄膜的聚乙烯混合组合物，其制备方法和其制备的薄膜
公开(公告)号：US20140113090A1
公开(公告)日：2014-04-24
申请号：US14118646
申请日：2012-07-02
申请人： Lawrence J. Effler, JR. , Nilesh R. Savargaonkar , Mehmet Demirors , Selim Bensason , Teresa P. Karjala , Gregory Bunker , Christina Serrat , Jian Wang
发明人： Lawrence J. Effler, JR. , Nilesh R. Savargaonkar , Mehmet Demirors , Selim Bensason , Teresa P. Karjala , Gregory Bunker , Christina Serrat , Jian Wang
IPC分类号： C08L23/06 , B32B1/02
CPC分类号： C08L23/06 , B32B1/02 , C08J5/18 , C08J2323/08 , C08L23/0815 , Y10T428/1352
摘要： The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants. When the polyethylene blend-composition is formed into a film via blown film process, the output rate is improved at least 6 percent relative to a similar linear low density polyethylene.
摘要翻译：本发明提供了适用于吹塑薄膜的聚乙烯共混组合物，其制备方法和由其制成的薄膜。适用于本发明吹塑薄膜的聚乙烯共混组合物包括：（a）小于或等于4重量％的密度范围为0.915至0.915的低密度聚乙烯（LDPE）的熔融共混产物 0.935g / cm 3，熔体指数（I 2）在大于0.8至小于或等于5g / 10分钟的范围内，分子量分布（Mw / Mn）为6至10 ; （b）90重量％以上的密度为0.917〜0.950g / cm3的异质线性低密度聚乙烯（hLLDPE），熔体指数（I 2）为0.1〜或等于5g / 10分钟; （c）任选的基于水滑石的中和剂; （d）任选的一种或多种成核剂; 和（e）任选的一种或多种抗氧化剂。当聚乙烯共混物组合物通过吹膜法形成膜时，相对于类似的线性低密度聚乙烯，输出速率提高至少6％。

3. 发明授权

US09284440B2 Polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom 有权
标题翻译：适用于吹塑薄膜的聚乙烯共混组合物，其制造方法和由其制成的薄膜
公开(公告)号：US09284440B2
公开(公告)日：2016-03-15
申请号：US14118646
申请日：2012-07-02
申请人： Lawrence J. Effler, Jr. , Nilesh R. Savargaonkar , Mehmet Demirors , Selim Bensason , Teresa P. Karjala , Gregory Bunker , Cristina Serrat , Jian Wang
发明人： Lawrence J. Effler, Jr. , Nilesh R. Savargaonkar , Mehmet Demirors , Selim Bensason , Teresa P. Karjala , Gregory Bunker , Cristina Serrat , Jian Wang
IPC分类号： C08L23/06 , C08J5/18 , C08L23/08 , B32B1/02
CPC分类号： C08L23/06 , B32B1/02 , C08J5/18 , C08J2323/08 , C08L23/0815 , Y10T428/1352
摘要： The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants. When the polyethylene blend-composition is formed into a film via blown film process, the output rate is improved at least 6 percent relative to a similar linear low density polyethylene.
摘要翻译：本发明提供了适用于吹塑薄膜的聚乙烯共混组合物，其制备方法和由其制成的薄膜。适用于本发明吹塑薄膜的聚乙烯共混组合物包括：（a）小于或等于4重量％的密度范围为0.915至0.915的低密度聚乙烯（LDPE）的熔融共混产物 0.935g / cm 3，熔体指数（I 2）在大于0.8至小于或等于5g / 10分钟的范围内，分子量分布（Mw / Mn）为6至10 ; （b）90重量％以上的密度为0.917〜0.950g / cm3的异质线性低密度聚乙烯（hLLDPE），熔体指数（I 2）为0.1〜或等于5g / 10分钟; （c）任选的基于水滑石的中和剂; （d）任选的一种或多种成核剂; 和（e）任选的一种或多种抗氧化剂。当聚乙烯共混物组合物通过吹膜法形成膜时，相对于类似的线性低密度聚乙烯，输出速率提高至少6％。

4. 发明申请

US20140134364A1 POLYETHLENE BLEND COMPOSITION SUITABLE FOR BLOWN FILM, METHOD OF PRODUCING THE SAME, AND FILMS MADE THEREFORM 审中-公开
标题翻译：适用于薄膜的聚乙烯混合组合物，其制备方法及其制备方法
公开(公告)号：US20140134364A1
公开(公告)日：2014-05-15
申请号：US14118652
申请日：2012-07-02
申请人： Lawrence J. Effler , Nilesh R. Savargaonkar , Teresa P. Karjala , Cristina Serrat , Jian Wang
发明人： Lawrence J. Effler , Nilesh R. Savargaonkar , Teresa P. Karjala , Cristina Serrat , Jian Wang
IPC分类号： C08L23/06
CPC分类号： C08L23/06 , C08J5/18 , C08J2323/08 , C08L23/0815 , C08L2205/02 , C08L2205/025 , Y10T428/1352
摘要： The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film, according to the present invention, comprises the melt blending product of: (a) from 5 percent or less by weight of a first low density polyethylene (first LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) from 5 to 50 percent by weight of a second low density polyethylene (second LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; with the proviso that the second LDPE has a melt index (I2) that is different from the melt index (I2) of first LDPE; (c) from 44 percent or greater by weight of a heterogeneous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (d) optionally a hydrotalcite based neutralizing agent (e) optionally one or more nucleating agents; and (f) optionally one or more antioxidants. When said polyethylene blend-composition is formed into a film via a blown film process, the output rate is improved at least 6 percent, for example 7 percent, relative to a polyethylene blend composition consisting essentially of (a) a similar heterogeneous linear low density polyethylene component; and (b) a similar second low density polyethylene component.
摘要翻译：本发明提供了适用于吹塑薄膜的聚乙烯共混组合物，其制备方法和由其制成的薄膜。根据本发明的适用于吹塑薄膜的聚乙烯共混组合物包括熔融共混产物：（a）5重量％或更少的第一低密度聚乙烯（第一LDPE），其密度范围为 0.915-0.935g / cm3，熔体指数（I2）在大于0.8至小于或等于5g / 10分钟的范围内，分子量分布（Mw / Mn）在6 到10 （b）5至50重量％的密度在0.915-0.935g / cm3范围内的第二低密度聚乙烯（第二LDPE），熔体指数（I 2）在0.1以下的范围内或者等于5g / 10分钟，分子量分布（Mw / Mn）在6至10的范围内; 条件是第二LDPE具有与第一LDPE的熔体指数（I 2）不同的熔体指数（I 2）; （c）44重量％以上的密度为0.917〜0.950g / cm 3的异相线性低密度聚乙烯（hLLDPE），熔体指数（I 2）为0.1以下大于或等于5g / 10分钟; （d）任选的水滑石类中和剂（e）任选的一种或多种成核剂; 和（f）任选的一种或多种抗氧化剂。当所述聚乙烯共混物组合物通过吹塑薄膜法形成薄膜时，相对于基本上由（a）类似的异质线性低密度聚乙烯混合物组合物组成的聚乙烯混合物组合物，输出速率提高至少6％，例如7％聚乙烯组分; 和（b）类似的第二低密度聚乙烯组分。

5. 发明申请

US20140100336A1 Fractional Melt Index Polyethylene Composition and Films Made Therefrom 有权
标题翻译：分数熔体指数聚乙烯组成和薄膜
公开(公告)号：US20140100336A1
公开(公告)日：2014-04-10
申请号：US13808724
申请日：2012-06-08
申请人： Lawrence J. Effler, JR. , Cornelis F.J. Den Doelder , nl Demirors , Jian Wang
发明人： Lawrence J. Effler, JR. , Cornelis F.J. Den Doelder , nl Demirors , Jian Wang
IPC分类号： C08L23/06
CPC分类号： C08L23/06 , C08L2205/02 , C08L2314/02
摘要： A reactor blend polyethylene composition comprising: from 35 to 70 percent by weight of a first polyethylene component; and a second polyethylene component; wherein the polyethylene resin has a melt index I2 of less than 1 dg/min and greater than or equal to 0.25 dg/min and exhibits a V0.1/V100 of greater than or equal to 9; and wherein the first and second polyethylene components are produced in continuous dual solution polymerization reactors, wherein the second polyethylene component is produced in the presence of the first polyethylene component and wherein a Ziegler-Natta catalyst is present in each of the first and second polymerization reactors is provided. Also provided are methods for producing the polyethylene resin and films made therefrom.
摘要翻译：一种反应器共混聚乙烯组合物，其包含：35至70重量％的第一聚乙烯组分; 和第二聚乙烯组分; 其中所述聚乙烯树脂具有小于1dg / min且大于或等于0.25dg / min的熔体指数I2，并且表现出大于或等于9的V0.1 / V100; 并且其中所述第一和第二聚乙烯组分在连续双溶液聚合反应器中制备，其中所述第二聚乙烯组分在第一聚乙烯组分存在下制备，并且其中齐格勒 - 纳塔催化剂存在于第一和第二聚合反应器被提供。还提供了制备聚乙烯树脂的方法和由其制成的膜。

6. 发明申请

US20120316284A1 RESIN COMPOSITIONS FOR EXTRUSION COATING 有权
标题翻译：用于挤出涂料的树脂组合物
公开(公告)号：US20120316284A1
公开(公告)日：2012-12-13
申请号：US13157428
申请日：2011-06-10
申请人： Jian Wang , Mehmet Demirors
发明人： Jian Wang , Mehmet Demirors
IPC分类号： C09D123/06 , C09D7/12
CPC分类号： C08L23/0815 , C08L23/06 , C08L2205/02 , C08L2314/06 , C09D123/0815
摘要： This invention pertains to polyethylene extrusion compositions. In particular, the invention pertains to ethylene polymer extrusion compositions having high drawdown and substantially reduced neck-in. The compositions comprise from 40 to 90% by weight of the composition of a first polyethylene composition, said first polyethylene composition comprising a linear low density polyethylene having a density in the range of from 0.90 to 0.96 g/cm3, and a melt index (I2) of from 5 to 15 g/10 min; and from 1 to 10% by weight of the composition of a second polyethylene composition, said second polyethylene composition comprising a high pressure low density polyethylene having a density in the range of from 0.915 to 0.930 g/cm3, and a melt index of from 0.1 to 3 g/10 min; and from 10 to 50% by weight of the composition of a third polyethylene composition, said third polyethylene composition comprising a high pressure low density polyethylene having a density in the range of from 0.915 to 0.930 g/cm3, and a melt index of from 5 to 15 g/10 min.
摘要翻译：本发明涉及聚乙烯挤出组合物。特别地，本发明涉及具有高降低和显着降低颈缩的乙烯聚合物挤出组合物。所述组合物包含组合物的40至90重量％的第一聚乙烯组合物，所述第一聚乙烯组合物包含密度在0.90至0.96g / cm 3范围内的线性低密度聚乙烯和熔体指数（I 2 ）为5〜15g / 10min; 和组合物的1至10重量％的第二聚乙烯组合物，所述第二聚乙烯组合物包含密度在0.915-0.930g / cm3范围内的高压低密度聚乙烯，熔体指数为0.1 至3g / 10min; 和组合物的10至50重量％的第三聚乙烯组合物，所述第三聚乙烯组合物包含密度在0.915-0.930g / cm3范围内的高压低密度聚乙烯，熔体指数为5 至15g / 10min。

7. 发明授权

US09493641B2 Resin compositions for extrusion coating 有权
标题翻译：用于挤出涂层的树脂组合物
公开(公告)号：US09493641B2
公开(公告)日：2016-11-15
申请号：US13157428
申请日：2011-06-10
申请人： Jian Wang , Mehmet Demirors
发明人： Jian Wang , Mehmet Demirors
IPC分类号： C08L23/00 , C08L23/08 , C08L23/06 , C09D123/08
CPC分类号： C08L23/0815 , C08L23/06 , C08L2205/02 , C08L2314/06 , C09D123/0815
摘要： This invention pertains to polyethylene extrusion compositions. In particular, the invention pertains to ethylene polymer extrusion compositions having high drawdown and substantially reduced neck-in. The compositions comprise from 40 to 90% by weight of the composition of a first polyethylene composition, said first polyethylene composition comprising a linear low density polyethylene having a density in the range of from 0.90 to 0.96 g/cm3, and a melt index (I2) of from 5 to 15 g/10 min; and from 1 to 10% by weight of the composition of a second polyethylene composition, said second polyethylene composition comprising a high pressure low density polyethylene having a density in the range of from 0.915 to 0.930 g/cm3, and a melt index of from 0.1 to 3 g/10 min; and from 10 to 50% by weight of the composition of a third polyethylene composition, said third polyethylene composition comprising a high pressure low density polyethylene having a density in the range of from 0.915 to 0.930 g/cm3, and a melt index of from 5 to 15 g/10 min.
摘要翻译：本发明涉及聚乙烯挤出组合物。特别地，本发明涉及具有高降低和显着降低颈缩的乙烯聚合物挤出组合物。所述组合物包含组合物的40至90重量％的第一聚乙烯组合物，所述第一聚乙烯组合物包含密度在0.90至0.96g / cm 3范围内的线性低密度聚乙烯和熔体指数（I 2 ）为5〜15g / 10min; 和组合物的1至10重量％的第二聚乙烯组合物，所述第二聚乙烯组合物包含密度在0.915-0.930g / cm3范围内的高压低密度聚乙烯，熔体指数为0.1 至3g / 10min; 和组合物的10至50重量％的第三聚乙烯组合物，所述第三聚乙烯组合物包含密度在0.915-0.930g / cm3范围内的高压低密度聚乙烯，熔体指数为5 至15g / 10min。

8. 发明申请

US20100087606A1 HIGH PRESSURE LOW DENSITY POLYETHYLENE RESINS WITH IMPROVED OPTICAL PROPERTIES PRODUCED THROUGH USE OF HIGHLY ACTIVE CHAIN TRANSFER AGENTS 审中-公开
标题翻译：具有通过使用高活性链转移剂生产的改进的光学性能的高压低密度聚乙烯树脂
公开(公告)号：US20100087606A1
公开(公告)日：2010-04-08
申请号：US12572314
申请日：2009-10-02
申请人： Teresa P. Karjala , Christopher R. Eddy , Mehmet Demirors , Wallace W. Yau , Sarat Munjal , Stefan Hinrichs , Jian Wang , Otto J. Berbee , Werner Zschoch , Cornelis J. Hosman , Lonnie G. Hazlitt , John O. Osby
发明人： Teresa P. Karjala , Christopher R. Eddy , Mehmet Demirors , Wallace W. Yau , Sarat Munjal , Stefan Hinrichs , Jian Wang , Otto J. Berbee , Werner Zschoch , Cornelis J. Hosman , Lonnie G. Hazlitt , John O. Osby
IPC分类号： C08F110/02 , C08F2/01
CPC分类号： C08F10/02 , C08F110/02 , Y10S526/917 , C08F2/01 , C08F2/001 , C08F2/38 , C08F2/00 , C08F2500/08 , C08F2500/12 , C08F2500/20 , C08F2500/04
摘要： Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
摘要翻译：公开了密度为约0.90至约0.94（克/立方厘米）的乙烯基聚合物，分子量分布（Mw / Mn）为约2至约30，熔体指数（I 2）为约0.1至约 50克/ 10分钟，还含有约5至约4000ppm的硫。硫的量也基于乙烯类聚合物的总重量来确定。还公开了制备基于乙烯的聚合物的方法，其包括将工艺流体分离成管式反应器的步骤; 将上游工艺进料流输送到第一反应区和至少一个下游工艺进料流进入至少一个其它反应区，其中所述工艺流体具有至少10米/秒的平均速度; 并引发自由基聚合反应。

9. 发明申请

US20110178253A1 HIGH PRESSURE LOW DENSITY POLYETHYLENE RESINS WITH IMPROVED OPTICAL PROPERTIES PRODUCED THROUGH USE OF HIGHLY ACTIVE CHAIN TRANSFER AGENTS 有权
标题翻译：具有通过使用高活性链转移剂生产的改进的光学性能的高压低密度聚乙烯树脂
公开(公告)号：US20110178253A1
公开(公告)日：2011-07-21
申请号：US13063960
申请日：2009-10-01
申请人： Teresa P. Karjala , Christopher R. Eddy , Mehmet Demirors , Wallace W. Yau , Sarat Munjal , Stefan Hinrichs , Jian Wang , Otto J. Berbee , Werner Zschoch , Cornelis J. Hosman , Lonnie G. Hazlitt
发明人： Teresa P. Karjala , Christopher R. Eddy , Mehmet Demirors , Wallace W. Yau , Sarat Munjal , Stefan Hinrichs , Jian Wang , Otto J. Berbee , Werner Zschoch , Cornelis J. Hosman , Lonnie G. Hazlitt
IPC分类号： C08F110/02 , C08F2/01 , C08F2/38
CPC分类号： C08F10/02 , C08F110/02 , Y10S526/917 , C08F2/01 , C08F2/001 , C08F2/38 , C08F2/00 , C08F2500/08 , C08F2500/12 , C08F2500/20 , C08F2500/04
摘要： Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
摘要翻译：公开了密度为约0.90至约0.94（克/立方厘米）的乙烯基聚合物，分子量分布（Mw / Mn）为约2至约30，熔体指数（I 2）为约0.1至约 50克/ 10分钟，还含有约5至约4000ppm的硫。硫的量也基于乙烯类聚合物的总重量来确定。还公开了制备基于乙烯的聚合物的方法，其包括将工艺流体分离成管式反应器的步骤; 将上游工艺进料流输送到第一反应区和至少一个下游工艺进料流进入至少一个其它反应区，其中所述工艺流体具有至少10米/秒的平均速度; 并引发自由基聚合反应。

10. 发明授权

US08415442B2 High pressure low density polyethylene resins with improved optical properties produced through use of highly active chain transfer agents 有权
标题翻译：通过使用高活性链转移剂生产出具有改善的光学性能的高压低密度聚乙烯树脂
公开(公告)号：US08415442B2
公开(公告)日：2013-04-09
申请号：US13063960
申请日：2009-10-01
申请人： Teresa P. Karjala , Christopher R. Eddy , Mehmet Demirors , Wallace W. Yau , Sarat Munjal , Stefan Hinrichs , Jian Wang , Otto J. Berbee , Werner Zschoch , Cornelis J. Hosman , Lonnie G. Hazlitt
发明人： Teresa P. Karjala , Christopher R. Eddy , Mehmet Demirors , Wallace W. Yau , Sarat Munjal , Stefan Hinrichs , Jian Wang , Otto J. Berbee , Werner Zschoch , Cornelis J. Hosman , Lonnie G. Hazlitt
IPC分类号： C08F10/02 , C08F2/38 , B01J19/24
CPC分类号： C08F10/02 , C08F110/02 , Y10S526/917 , C08F2/01 , C08F2/001 , C08F2/38 , C08F2/00 , C08F2500/08 , C08F2500/12 , C08F2500/20 , C08F2500/04
摘要： Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.
摘要翻译：公开了密度为约0.90至约0.94（克/立方厘米）的乙烯基聚合物，分子量分布（Mw / Mn）为约2至约30，熔体指数（I 2）为约0.1至约 50克/ 10分钟，还含有约5至约4000ppm的硫。硫的量也基于乙烯类聚合物的总重量来确定。还公开了制备基于乙烯的聚合物的方法，其包括将工艺流体分离成管式反应器的步骤; 将上游工艺进料流输送到第一反应区和至少一个下游工艺进料流进入至少一个其它反应区，其中所述工艺流体具有至少10米/秒的平均速度; 并引发自由基聚合反应。

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