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公开(公告)号：US20140288258A1
公开(公告)日：2014-09-25
申请号：US14299702
申请日：2014-06-09
IPC分类号： C08F110/02
CPC分类号： B01J19/2435 , B01J8/00 , C08F2/01 , C08F10/00 , C08F10/02 , C08F110/02 , Y10T428/1352 , Y10T428/139 , Y10T428/1393 , Y10T428/1397 , Y10T428/31855 , C08F2/001 , C08F4/6548 , C08F2/14 , C08F4/6546 , C08F4/6557
摘要： The invention relates to A process for the polymerisation of ethylene to produce a polyethylene resin in at least two slurry loop reactors connected to each other in series, the resin having a bimodal molecular weight distribution, a molecular weight distribution MWD of at least 7.0, an HLMI of from 1 to 100 g/10 min, and a density of from 0.935 to 0.960 g/cm3, wherein in one reactor 30 to 47 wt % based on the total weight of the polyethylene resin of a high molecular weight (HMW) polyethylene fraction is produced having an HL275 of from 0.05 to 1.8 g/10 min (the equivalent of HLMI of from 0.01 to 1.56 g/10 min), a density of from 0.925 to 0.942 g/cm3 and an MWD of at least 5.0, and in the other reactor a low molecular weight (LMW) polyethylene fraction is produced having an HLMI of from 10 to 1500 g/10 min and a density of from 0.960 to 0.975 g/cm3, in the presence of a Ziegler-Natta catalyst system.
摘要翻译： 本发明涉及一种在至少两个串联连接的浆料环管反应器中聚合乙烯以生产聚乙烯树脂的方法，该树脂具有双峰分子量分布，至少7.0的分子量分布MWD， HLMI为1至100g / 10分钟，密度为0.935至0.960g / cm3，其中在一个反应器中基于聚乙烯树脂的总重量为30至47wt％的高分子量（HMW）聚乙烯 产生HL275为0.05〜1.8g / 10min（相当于HLMI为0.01〜1.56g / 10min），密度为0.925〜0.942g / cm3，MWD为5.0以上的级分，以及 在另一反应器中，在齐格勒 - 纳塔催化剂体系的存在下，制备HLMI为10-1500g / 10min，密度为0.960-0.975g / cm3的低分子量（LMW）聚乙烯级分。
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公开(公告)号：US20140050873A1
公开(公告)日：2014-02-20
申请号：US14060779
申请日：2013-10-23
IPC分类号： C08F10/02
CPC分类号： B01J19/2435 , B01J8/00 , C08F2/01 , C08F10/00 , C08F10/02 , C08F110/02 , Y10T428/1352 , Y10T428/139 , Y10T428/1393 , Y10T428/1397 , Y10T428/31855 , C08F2/001 , C08F4/6548 , C08F2/14 , C08F4/6546 , C08F4/6557
摘要： The invention relates to A process for the polymerisation of ethylene to produce a polyethylene resin in at least two slurry loop reactors connected to each other in series, the resin having a bimodal molecular weight distribution, a molecular weight distribution MWD of at least 7.0, an HLMI of from 1 to 100 g/10 min, and a density of from 0.935 to 0.960 g/cm3,wherein in one reactor 30 to 47 wt % based on the total weight of the polyethylene resin of a high molecular weight (HMW) polyethylene fraction is produced having an HL275 of from 0.05 to 1.8 g/10 min (the equivalent of HLMI of from 0.01 to 1.56 g/10 min), a density of from 0.925 to 0.942 g/cm3 and an MWD of at least 5.0, and in the other reactor a low molecular weight (LMW) polyethylene fraction is produced having an HLMI of from 10 to 1500 g/10 min and a density of from 0.960 to 0.975 g/cm3, in the presence of a Ziegler-Natta catalyst system.
摘要翻译： 本发明涉及一种在至少两个串联连接的浆料环管反应器中聚合乙烯以生产聚乙烯树脂的方法，该树脂具有双峰分子量分布，至少7.0的分子量分布MWD， HLMI为1至100g / 10分钟，密度为0.935至0.960g / cm3，其中在一个反应器中基于聚乙烯树脂的总重量为30至47wt％的高分子量（HMW）聚乙烯 产生HL275为0.05〜1.8g / 10min（相当于HLMI为0.01〜1.56g / 10min），密度为0.925〜0.942g / cm3，MWD为5.0以上的级分，以及 在另一反应器中，在齐格勒 - 纳塔催化剂体系的存在下，制备HLMI为10-1500g / 10min，密度为0.960-0.975g / cm3的低分子量（LMW）聚乙烯级分。
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公开(公告)号：US11208504B2
公开(公告)日：2021-12-28
申请号：US16629888
申请日：2018-07-11
IPC分类号： C08F10/02 , C08F4/6592 , B29C45/00 , C08F2/00 , C08L23/08 , C08F110/02 , C08F210/02
摘要： The present invention relates to an injection-molded article, comprising at least one metallocene-catalyzed polyethylene resin comprising at least two metallocene-catalyzed polyethylene fractions A and B, wherein the at least one metallocene-catalyzed polyethylene resin comprises:
at least 40% to at most 50% by weight of polyethylene fraction A based on the total weight of the at least one metallocene-catalyzed polyethylene resin, wherein fraction A has a melt index MI2 of at least 100.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; and wherein the at least one metallocene-catalyzed polyethylene resin has a density of at least 0.940 g/cm3 to at most 0.950 g/cm3 as measured on pellets according to ISO 1183 at 23° C.; a melt index MI2 of at least 1.4 g/10 min to at most 2.5 g/10 min as measured on pellets according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg. The present invention also relates to a process for preparing said injection-molded article, comprising the steps of a) providing at least one metallocene-catalyzed polyethylene resin as described herein; and b) injection-molding said polyethylene resin into an article.-
公开(公告)号：US20210147586A1
公开(公告)日：2021-05-20
申请号：US16629888
申请日：2018-07-11
IPC分类号： C08F4/6592 , C08F2/00 , C08L23/08 , B29C45/00
摘要： The present invention relates to an injection-molded article, comprising at least one metallocene-catalyzed polyethylene resin comprising at least two metallocene-catalyzed polyethylene fractions A and B, wherein the at least one metallocene-catalyzed polyethylene resin comprises: at least 40% to at most 50% by weight of polyethylene fraction A based on the total weight of the at least one metallocene-catalyzed polyethylene resin, wherein fraction A has a melt index MI2 of at least 100.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; and wherein the at least one metallocene-catalyzed polyethylene resin has a density of at least 0.940 g/cm3 to at most 0.950 g/cm3 as measured on pellets according to ISO 1183 at 23° C.; a melt index MI2 of at least 1.4 g/10 min to at most 2.5 g/10 min as measured on pellets according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg. The present invention also relates to a process for preparing said injection-molded article, comprising the steps of a) providing at least one metallocene-catalyzed polyethylene resin as described herein; and b) injection-molding said polyethylene resin into an article.
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公开(公告)号：US08911872B2
公开(公告)日：2014-12-16
申请号：US14299702
申请日：2014-06-09
IPC分类号： B32B27/00 , C08F110/02
CPC分类号： B01J19/2435 , B01J8/00 , C08F2/01 , C08F10/00 , C08F10/02 , C08F110/02 , Y10T428/1352 , Y10T428/139 , Y10T428/1393 , Y10T428/1397 , Y10T428/31855 , C08F2/001 , C08F4/6548 , C08F2/14 , C08F4/6546 , C08F4/6557
摘要： The invention relates to A process for the polymerization of ethylene to produce a polyethylene resin in at least two slurry loop reactors connected to each other in series, the resin having a bimodal molecular weight distribution, a molecular weight distribution MWD of at least 7.0, an HLMI of from 1 to 100 g/10 min, and a density of from 0.935 to 0.960 g/cm3, wherein in one reactor 30 to 47 wt % based on the total weight of the polyethylene resin of a high molecular weight (HMW) polyethylene fraction is produced having an HL275 of from 0.05 to 1.8 g/10 min (the equivalent of HLMI of from 0.01 to 1.56 g/10 min), a density of from 0.925 to 0.942 g/cm3 and an MWD of at least 5.0, and in the other reactor a low molecular weight (LMW) polyethylene fraction is produced having an HLMI of from 10 to 1500 g/10 min and a density of from 0.960 to 0.975 g/cm3, in the presence of a Ziegler-Natta catalyst system.
摘要翻译： 本发明涉及一种在至少两个串联连接的淤浆环流反应器中聚合乙烯以生产聚乙烯树脂的方法，该树脂具有双峰分子量分布，至少7.0的分子量分布MWD， HLMI为1至100g / 10分钟，密度为0.935至0.960g / cm3，其中在一个反应器中基于聚乙烯树脂的总重量为30至47wt％的高分子量（HMW）聚乙烯 产生HL275为0.05〜1.8g / 10min（相当于HLMI为0.01〜1.56g / 10min），密度为0.925〜0.942g / cm3，MWD为5.0以上的级分，以及 在另一反应器中，在齐格勒 - 纳塔催化剂体系的存在下，制备HLMI为10-1500g / 10min，密度为0.960-0.975g / cm3的低分子量（LMW）聚乙烯级分。
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公开(公告)号：US08802210B2
公开(公告)日：2014-08-12
申请号：US14060779
申请日：2013-10-23
CPC分类号： B01J19/2435 , B01J8/00 , C08F2/01 , C08F10/00 , C08F10/02 , C08F110/02 , Y10T428/1352 , Y10T428/139 , Y10T428/1393 , Y10T428/1397 , Y10T428/31855 , C08F2/001 , C08F4/6548 , C08F2/14 , C08F4/6546 , C08F4/6557
摘要： The invention relates to A process for the polymerisation of ethylene to produce a polyethylene resin in at least two slurry loop reactors connected to each other in series, the resin having a bimodal molecular weight distribution, a molecular weight distribution MWD of at least 7.0, an HLMI of from 1 to 100 g/10 min, and a density of from 0.935 to 0.960 g/cm3, wherein in one reactor 30 to 47 wt % based on the total weight of the polyethylene resin of a high molecular weight (HMW) polyethylene fraction is produced having an HL275 of from 0.05 to 1.8 g/10 min (the equivalent of HLMI of from 0.01 to 1.56 g/10 min), a density of from 0.925 to 0.942 g/cm3 and an MWD of at least 5.0, and in the other reactor a low molecular weight (LMW) polyethylene fraction is produced having an HLMI of from 10 to 1500 g/10 min and a density of from 0.960 to 0.975 g/cm3, in the presence of a Ziegler-Natta catalyst system.
摘要翻译： 本发明涉及一种在至少两个串联连接的浆料环管反应器中聚合乙烯以生产聚乙烯树脂的方法，该树脂具有双峰分子量分布，至少7.0的分子量分布MWD， HLMI为1至100g / 10分钟，密度为0.935至0.960g / cm3，其中在一个反应器中基于聚乙烯树脂的总重量为30至47wt％的高分子量（HMW）聚乙烯 产生HL275为0.05〜1.8g / 10min（相当于HLMI为0.01〜1.56g / 10min），密度为0.925〜0.942g / cm3，MWD为5.0以上的级分，以及 在另一反应器中，在齐格勒 - 纳塔催化剂体系的存在下，制备HLMI为10-1500g / 10min，密度为0.960-0.975g / cm3的低分子量（LMW）聚乙烯级分。
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