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1. 发明授权

US09334396B2 Process for preparing polyolefin blends in a device for continuously physically melting and blending the blends 有权
标题翻译：在用于连续物理熔融和混合共混物的装置中制备聚烯烃共混物的方法
公开(公告)号：US09334396B2
公开(公告)日：2016-05-10
申请号：US14003128
申请日：2012-03-02
申请人： Daan Dewachter , Eric Damme
发明人： Daan Dewachter , Eric Damme
IPC分类号： C08L23/04 , B29C47/10 , C08L23/06 , B29C47/36 , C08L23/08 , B29C47/00
CPC分类号： C08L23/06 , B29C47/0004 , B29C47/0009 , B29C47/004 , B29C47/1081 , B29C47/366 , C08L23/0815 , C08L2205/02 , C08L2205/025 , C08L2666/06
摘要： A process for preparing a polyolefin product can include providing a first high molecular weight (HMW) polyolefin resin having an HLMI of between 0.01 and 5 g/10 min, and separately providing a second low molecular weight (LMW) polyolefin resin having an MI2 of between 1 and 150 g/10 min. A device can be used to continuously physically melt and blend the first HMW polyolefin resin and the second LMW polyolefin resin to produce the polyolefin product. The device can include at least two feeding zones spatially separated and operably connected to each other. At least a art of the first HMW polyolefin resin is introduced in a first feeding zone, and at least a part of the second LMW polyolefin is introduced in a second feeding zone different from the first zone.
摘要翻译：制备聚烯烃产品的方法可以包括提供HLMI为0.01至5g / 10min的第一高分子量（HMW）聚烯烃树脂，并分别提供具有MI2的第二低分子量（LMW）聚烯烃树脂在1至150g / 10min之间。可以使用一种装置将第一HMW聚烯烃树脂和第二LMW聚烯烃树脂连续地物理熔融和共混以制造聚烯烃产品。该装置可以包括空间上分离的并且可操作地连接的至少两个进料区。将至少一种第一HMW聚烯烃树脂的技术引入第一进料区，并且将第二LMW聚烯烃的至少一部分引入到与第一区不同的第二进料区中。

2. 发明授权

US08742036B2 Catalyst metering device 有权
标题翻译：催化剂计量装置
公开(公告)号：US08742036B2
公开(公告)日：2014-06-03
申请号：US13811686
申请日：2011-07-29
申请人： Daan Dewachter , Daniel Bekaert
发明人： Daan Dewachter , Daniel Bekaert
IPC分类号： C08F2/00 , C08F4/00 , C08F4/24 , C08F4/44 , C08F210/00 , E03B1/00
CPC分类号： B01J8/001 , B01J8/0015 , B01J2204/002 , B01J2208/00752 , F17D3/00 , Y10T137/0318
摘要： The invention relates to a catalyst metering device with a valve formed of an iron-based alloy steel hardened to a Rockwell hardness C of at least 60. The device can be used for metering of a catalyst for an ethylene polymerization reaction. The invention further relates to ethylene polymerization wherein the catalyst is metered in a catalyst metering device with a iron-based alloy steel hardened valve, as well as to a ethylene polymerization reactor comprising such a catalyst metering device.
摘要翻译：本发明涉及一种具有由硬化至洛氏硬度C至少为60的铁基合金钢形成的阀的催化剂计量装置。该装置可用于计量用于乙烯聚合反应的催化剂。本发明还涉及乙烯聚合，其中催化剂在具有铁基合金钢硬化阀的催化剂计量装置中以及包含这种催化剂计量装置的乙烯聚合反应器中计量。

3. 发明申请

US20140058039A1 PROCESS FOR PREPARING POLYETHYLENE BLEND COMPRISING METALLOCENE PRODUCED RESINS AND ZIEGLER-NATTA PRODUCED RESINS 有权
标题翻译：用于制备包含金属生产树脂和齐格勒 - 生产树脂的聚乙烯混合物的方法
公开(公告)号：US20140058039A1
公开(公告)日：2014-02-27
申请号：US14003192
申请日：2012-03-02
申请人： Daan Dewachter , Eric Damme
发明人： Daan Dewachter , Eric Damme
IPC分类号： C08L23/06
CPC分类号： C08L23/06 , C08F110/02 , C08L23/04 , C08L23/0815 , C08L2205/02 , C08L2205/025 , C08L2314/02 , C08L2314/06 , C08L2666/06 , C08F2500/12 , C08F2500/24
摘要： A process for preparing a homogeneous polyethylene product can include producing a first polyethylene resin in the presence of a metallocene catalyst in a reactor. The first polyethylene resin can have a density of from 0.940 to 0.970 g/cm3. The first polyethylene resin can have a Low Molecular Weight (LMW) with an MI2 of between 2 and 250 g/10 min. The process can include separately producing a second polyethylene resin in the presence of a Ziegler-Natta catalyst in a reactor. The second polyethylene resin can have a High Molecular Weight (HMW) with an MI2 of between 0.01 and 15 g/10 min. The process can include physically blending together the first polyethylene resin and the second polyethylene resin to produce the homogeneous polyethylene product.
摘要翻译：制备均匀的聚乙烯产品的方法可以包括在茂金属催化剂存在下在反应器中制备第一聚乙烯树脂。第一聚乙烯树脂的密度可以为0.940-0.970g / cm3。第一聚乙烯树脂可具有低分子量（LMW），MI2为2至250g / 10min。该方法可以包括在齐格勒 - 纳塔催化剂存在下在反应器中单独生产第二聚乙烯树脂。第二聚乙烯树脂可以具有MI2为0.01至15g / 10min的高分子量（HMW）。该方法可以包括将第一聚乙烯树脂和第二聚乙烯树脂物理混合在一起以产生均匀的聚乙烯产品。

4. 发明申请

US20130345361A1 PROCESS FOR PREPARING POLYOLEFIN BLENDS IN A DEVICE FOR CONTINUOUSLY PHYSICALLY MELTING AND BLENDING THE BLENDS 有权
标题翻译：在设备中制备聚烯烃混合物的方法用于连续物理熔融和混合共混
公开(公告)号：US20130345361A1
公开(公告)日：2013-12-26
申请号：US14003128
申请日：2012-03-02
申请人： Daan Dewachter , Eric Damme
发明人： Daan Dewachter , Eric Damme
IPC分类号： C08L23/06
CPC分类号： C08L23/06 , B29C47/0004 , B29C47/0009 , B29C47/004 , B29C47/1081 , B29C47/366 , C08L23/0815 , C08L2205/02 , C08L2205/025 , C08L2666/06
摘要： A process for preparing a polyolefin product can include providing a first high molecular weight (HMW) polyolefin resin having an HLMI of between 0.01 and 5 g/10 min, and separately providing a second low molecular weight (LMW) polyolefin resin having an MI2 of between 1 and 150 g/10 min. A device can be used to continuously physically melt and blend the first HMW polyolefin resin and the second LMW polyolefin resin to produce the polyolefin product. The device can include at least two feeding zones spatially separated and operably connected to each other. At least a art of the first HMW polyolefin resin is introduced in a first feeding zone, and at least a part of the second LMW polyolefin is introduced in a second feeding zone different from the first zone.
摘要翻译：制备聚烯烃产品的方法可以包括提供HLMI为0.01至5g / 10min的第一高分子量（HMW）聚烯烃树脂，并分别提供具有MI2的第二低分子量（LMW）聚烯烃树脂在1至150g / 10min之间。可以使用一种装置将第一HMW聚烯烃树脂和第二LMW聚烯烃树脂连续地物理熔融和共混以制造聚烯烃产品。该装置可以包括空间上分离的并且可操作地连接的至少两个进料区。将至少一种第一HMW聚烯烃树脂的技术引入第一进料区，并且将第二LMW聚烯烃的至少一部分引入到与第一区不同的第二进料区中。

5. 发明申请

US20130345360A1 PROCESS FOR PREPARING POLYETHYLENE BLEND COMPRISING METALLOCENE PRODUCED RESINS AND CHROMIUM PRODUCED RESINS 有权
标题翻译：用于制备包含金属生产树脂和铬生产树脂的聚乙烯混合物的方法
公开(公告)号：US20130345360A1
公开(公告)日：2013-12-26
申请号：US14003164
申请日：2012-03-02
申请人： Daan Dewachter , Eric Damme
发明人： Daan Dewachter , Eric Damme
IPC分类号： C08L23/06
CPC分类号： C08L23/06 , C08F110/02 , C08L23/04 , C08L23/0815 , C08L2205/025 , C08L2314/04 , C08L2314/06 , C08F2500/12
摘要： A process for preparing a homogeneous polyethylene product can include producing a first polyethylene resin in the presence of a metallocene catalyst in a reactor. The first polyethylene resin can have a density of from 0.942 to 0.970 g/cm3 and an HLMI of from 0.5 to 150 g/10 min. The process can include separately producing a second polyethylene resin in the presence of a chromium catalyst in a reactor. The process can include physically blending together the first polyethylene resin and the second polyethylene resin to produce the homogeneous polyethylene product. The homogeneous polyethylene product can include at least 25% by weight of the first polyethylene resin.
摘要翻译：制备均匀的聚乙烯产品的方法可以包括在茂金属催化剂存在下在反应器中制备第一聚乙烯树脂。第一聚乙烯树脂的密度可以为0.942-0.970g / cm3，HLMI为0.5-150g / 10min。该方法可以包括在反应器中在铬催化剂存在下单独制备第二聚乙烯树脂。该方法可以包括将第一聚乙烯树脂和第二聚乙烯树脂物理混合在一起以产生均匀的聚乙烯产品。均匀的聚乙烯产品可以包含至少25重量％的第一聚乙烯树脂。

6. 发明申请

US20130287634A1 System and Reactor For Improved Polymer Homogeneity 有权
标题翻译：系统和反应器改善聚合物均匀性
公开(公告)号：US20130287634A1
公开(公告)日：2013-10-31
申请号：US13923440
申请日：2013-06-21
申请人： Daan Dewachter
发明人： Daan Dewachter
IPC分类号： B01J8/00
CPC分类号： B01J8/001 , B01J19/24 , B01J19/2415 , B01J19/2435 , B01J2219/00069 , B01J2219/00164 , C08F210/16 , Y10T137/86485 , C08F2/14 , C08F2/38 , C08F210/14 , C08F2500/12
摘要： The present invention relates to a process for the polymerization of an olefin monomer. In particular, the present invention relates to a process for the polymerization of an olefin monomer and one or more optional comonomers in presence of a polymerization catalyst and hydrogen, said process being characterized by an improved control of the hydrogen concentration in the polymerization reactor. In addition, the present invention provides for an improved hydrogen feeding system to a polymerization reactor. Furthermore, the present invention provides for a polymerization reactor comprising such an improved hydrogen feeding system.
摘要翻译：本发明涉及烯烃单体的聚合方法。特别地，本发明涉及在聚合催化剂和氢存在下聚合烯烃单体和一种或多种任选的共聚单体的方法，所述方法的特征在于改进了对聚合反应器中氢浓度的控制。此外，本发明提供了一种改进的聚合反应器的氢气供给系统。此外，本发明提供一种包含这种改进的氢气供给系统的聚合反应器。

7. 发明申请

US20130231446A1 Dynamic Pressure Control in Double Loop Reactor 审中-公开
标题翻译：双环反应堆动态压力控制
公开(公告)号：US20130231446A1
公开(公告)日：2013-09-05
申请号：US13869272
申请日：2013-04-24
申请人： Daan Dewachter , Louis Fouarge , Alain Brusselle
发明人： Daan Dewachter , Louis Fouarge , Alain Brusselle
IPC分类号： C08F2/00
CPC分类号： C08F2/001 , B01J8/007 , B01J19/1837 , B01J19/1881 , B01J2219/00033 , B01J2219/0004 , B01J2219/00094 , B01J2219/00166 , C08F10/00 , C08F110/02 , C08F110/06 , C08F2/01
摘要： The present invention discloses a slurry loop reactor comprising at least two loop reactors connected in series and wherein the line connecting the two loops is subject to a dynamic pressure difference.
摘要翻译：本发明公开了一种包含至少两个串联连接的回路反应器的浆液回路反应器，其中连接两个回路的管线经受动压差。

8. 发明申请

US20130123441A1 Process for preparing polyolefins 有权
公开(公告)号：US20130123441A1
公开(公告)日：2013-05-16
申请号：US13812693
申请日：2011-07-29
申请人： Daniel Siraux , Aurélien Vantomme , Eric Damme , Daan Dewachter
发明人： Daniel Siraux , Aurélien Vantomme , Eric Damme , Daan Dewachter
IPC分类号： C08F2/01
CPC分类号： C08F2/01 , B01J4/001 , B01J8/007 , B01J19/1818 , B01J19/1837 , C08F210/16 , C08F2/005 , C08F2/14 , C08F210/14
摘要： The present invention relates to a process of preparing a polyolefin in a loop reactor by introducing anti-fouling agent through a sleeve provided around at least part of the shaft of the pump. Also, the invention relates to the use of anti-fouling agent to prevent or reduce fouling by feeding the anti-fouling agent against the impeller of the pump upon introduction to the loop reactor.

9. 发明申请

US20120309910A1 METHOD FOR REPLACING INCOMPATIBLE ETHYLENE POLYMERIZATION CATALYSTS 有权
标题翻译：替代不饱和乙烯聚合催化剂的方法
公开(公告)号：US20120309910A1
公开(公告)日：2012-12-06
申请号：US13514349
申请日：2010-12-17
申请人： Daan Dewachter , Martine Slawinski
发明人： Daan Dewachter , Martine Slawinski
IPC分类号： C08F10/02 , C08F2/01
CPC分类号： C08F10/02 , C08F110/02 , C08F2410/05 , C08F2/42 , C08F2/01 , C08F2/00
摘要： The present invention relates to a method for optimizing the sequential use of at least two ethylene polymerization catalysts to an ethylene polymerization loop reactor, comprising: transferring to a mixing vessel a first ethylene polymerization catalyst and a first diluent, thereby providing a first catalyst slurry, transferring said first catalyst slurry from said mixing vessel to an ethylene polymerization loop reactor at a concentration suitable for polymerizing ethylene, increasing the ratio of said diluent to said first ethylene polymerization catalyst in said first catalyst slurry, stopping the supply of said first catalyst slurry to said mixing vessel, stopping the supply of said first catalyst slurry to said ethylene polymerization loop reactor, stopping the supply of ethylene to said ethylene polymerization loop reactor, removing said first catalyst slurry from said ethylene polymerization loop reactor, emptying said mixing vessel, optionally rinsing said mixing vessel with fresh diluent, transferring to said mixing vessel a second ethylene polymerization catalyst and a second diluent, thereby providing a second catalyst slurry, decreasing the ratio of said second diluent to said second ethylene polymerization catalyst in said mixing vessel to obtain a concentration of said second ethylene polymerization catalyst in said second diluent suitable for polymerizing ethylene, transferring said second ethylene polymerization catalyst slurry from said mixing vessel to said ethylene polymerization reactor, restoring the supply of ethylene to said ethylene polymerization loop reactor, restarting ethylene polymerization in said ethylene polymerization loop reactor.
摘要翻译：本发明涉及一种用于优化至少两种乙烯聚合催化剂对乙烯聚合反应器的顺序使用的方法，包括：向混合容器中转移第一乙烯聚合催化剂和第一稀释剂，由此提供第一催化剂浆料，将所述第一催化剂浆料从所述混合容器转移到乙烯聚合反应器中，其浓度适于聚合乙烯，增加所述稀释剂与所述第一催化剂浆液中所述第一乙烯聚合催化剂的比例，停止将所述第一催化剂浆料供应至所述混合容器停止向所述乙烯聚合反应器供应所述第一催化剂浆料，停止向所述乙烯聚合反应器供应乙烯，从所述乙烯聚合反应器中除去所述第一催化剂浆液，排空所述混合容器，任选地冲洗所说混合容器与f 将所述第二乙烯聚合催化剂和第二稀释剂转移到所述混合容器中，从而提供第二催化剂浆料，从而减少所述混合容器中所述第二稀释剂与所述第二乙烯聚合催化剂的比例，以获得所述第二乙烯所述第二稀释剂中的聚合催化剂适于聚合乙烯，将所述第二乙烯聚合催化剂浆料从所述混合容器转移到所述乙烯聚合反应器中，恢复向所述乙烯聚合反应器供应乙烯，在所述乙烯聚合反应器中重新开始乙烯聚合。

10. 发明授权

US09228078B2 Process for preparing polyethylene blend comprising metallocene produced resins and Ziegler-Natta produced resins 有权
标题翻译：制备包含茂金属生产的树脂和齐格勒 - 纳塔生产的树脂的聚乙烯共混物的方法
公开(公告)号：US09228078B2
公开(公告)日：2016-01-05
申请号：US14003192
申请日：2012-03-02
申请人： Daan Dewachter , Eric Damme
发明人： Daan Dewachter , Eric Damme
IPC分类号： C08L23/06 , C08L23/08 , C08F110/02
CPC分类号： C08L23/06 , C08F110/02 , C08L23/04 , C08L23/0815 , C08L2205/02 , C08L2205/025 , C08L2314/02 , C08L2314/06 , C08L2666/06 , C08F2500/12 , C08F2500/24
摘要： A process for preparing a homogeneous polyethylene product can include producing a first polyethylene resin in the presence of a metallocene catalyst in a reactor. The first polyethylene resin can have a density of from 0.940 to 0.970 g/cm3. The first polyethylene resin can have a Low Molecular Weight (LMW) with an MI2 of between 2 and 250 g/10 min. The process can include separately producing a second polyethylene resin in the presence of a Ziegler-Natta catalyst in a reactor. The second polyethylene resin can have a High Molecular Weight (HMW) with an MI2 of between 0.01 and 15 g/10 min. The process can include physically blending together the first polyethylene resin and the second polyethylene resin to produce the homogeneous polyethylene product.
摘要翻译：制备均匀的聚乙烯产品的方法可以包括在茂金属催化剂存在下在反应器中制备第一聚乙烯树脂。第一聚乙烯树脂的密度可以为0.940-0.970g / cm3。第一聚乙烯树脂可具有低分子量（LMW），MI2为2至250g / 10min。该方法可以包括在齐格勒 - 纳塔催化剂存在下在反应器中单独生产第二聚乙烯树脂。第二聚乙烯树脂可以具有MI2为0.01至15g / 10min的高分子量（HMW）。该方法可以包括将第一聚乙烯树脂和第二聚乙烯树脂物理混合在一起以产生均匀的聚乙烯产品。

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