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公开(公告)号：US09994654B2
公开(公告)日：2018-06-12
申请号：US15512677
申请日：2015-09-03
IPC分类号： C08F110/02
CPC分类号： C08F110/02 , C08F4/6565 , C08F4/6567 , C08F4/6494 , C08F2500/01 , C08F2500/11 , C08F2500/18 , C08F2500/24
摘要： The invention relates to a continuous process for the production of ultra-high molecular weight polyethylene with an Elongational Stress of at least 0.43 N/mm2. The polymerization of ethylene takes place in the presence of a catalyst and hydrogen. It is an advantage of the process according to the invention that the use of small amounts of hydrogen during the production of UHMWPE reduces reactor fouling. Furthermore, the process according to the invention results in longer run times in polymerization reactors, less cleaning cycles to remove reactor fouling and in less need for other anti-fouling agents or anti-static agents.
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公开(公告)号：US20170283528A1
公开(公告)日：2017-10-05
申请号：US15512677
申请日：2015-09-03
IPC分类号： C08F110/02
CPC分类号： C08F110/02 , C08F4/6565 , C08F4/6567 , C08F4/6494 , C08F2500/01 , C08F2500/11 , C08F2500/18 , C08F2500/24
摘要： The invention relates to a continuous process for the production of ultra-high molecular weight polyethylene with an Elongational Stress of at least 0.43 N/mm2. The polymerisation of ethylene takes place in the presence of a catalyst and hydrogen. It is an advantage of the process according to the invention that the use of small amounts of hydrogen during the production of UHM-WPE reduces reactor fouling. Furthermore, the process according to the invention results in longer run times in polymerization reactors, less cleaning cycles to remove reactor fouling and in less need for other anti-fouling agents or anti-static agents.
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