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公开(公告)号:US09534711B2
公开(公告)日:2017-01-03
申请号:US13881468
申请日:2011-10-26
IPC分类号: F16L9/12 , C08L23/08 , C08L23/06 , C08F10/02 , F16L9/127 , B29C47/00 , C08F10/00 , C08L23/04 , C08F4/659 , C08F110/02
CPC分类号: F16L9/12 , B29C47/0004 , B29C47/0023 , C08F4/65912 , C08F10/00 , C08F10/02 , C08F110/02 , C08L23/04 , C08L23/06 , C08L23/08 , F16L9/127 , Y10T428/139 , Y10T428/1393 , C08F2500/03 , C08F2500/07 , C08F2500/12 , C08F2500/17 , C08F2500/19 , C08L2666/02 , C08F4/65925
摘要: A single site catalysed ethylene polymer including ethylene and optionally at least one comonomer having a Mw/Mn of less than 5 and wherein the total amount of unsaturations of the ethylene polymer is at least 0.8.
摘要翻译: 包括乙烯和任选的至少一种Mw / Mn小于5的共聚单体的单个位点催化的乙烯聚合物,并且其中乙烯聚合物的不饱和总量至少为0.8。
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公开(公告)号:US06365682B1
公开(公告)日:2002-04-02
申请号:US09446503
申请日:2000-02-22
申请人: Kauno Alastalo , Bo Malm , Päivi Pitkänen , Mika Meller , Anne Britt Bjåland , Nina Ackermans , Kshama Motha
发明人: Kauno Alastalo , Bo Malm , Päivi Pitkänen , Mika Meller , Anne Britt Bjåland , Nina Ackermans , Kshama Motha
IPC分类号: C08F234
CPC分类号: C08F297/08 , B01J2219/00128 , B01J2219/00162 , B01J2219/00164 , B01J2219/00184 , C08F10/06 , C08F210/06 , C08F210/16 , Y10S526/905 , Y10S526/916 , C08F2/14 , C08F2/06 , C08F2/001 , C08F210/08 , C08F2500/12 , C08F2500/18 , C08F2500/26
摘要: A process for producing terpolymers of propylene, comprising a) feeding into a slurry reactor a reaction mixture containing 50-85 w-% of propylene, 1-10 w-% of ethylene, 15-40 w-% of another C4-C8 alpha-olefin, a catalyst system maintaining olefin polymerization at said temperature conditions, and optionally hydrogen, b) polymerizing said reaction mixture at a temperature of lower than 70° C. a sufficient time to obtain a propylene terpolymer amounting to 50-99 w-% of the end product, c) transferring said reaction mixture into a gas phase reactor operating at a pressure of higher than 5 bars, preferably higher than 10 bars, optionally adding 0-30 w-% of ethylene, 0-10 w-% of another C4-C8 alpha-olefin, 0-40 w-% of propylene and optionally hydrogen, and d) continuing polymerization in said gas phase reactor for obtaining a propylene terpolymer amounting to 1-50 wt-% of the end product. The terpolymer has a melting temperature a less than 135° C., preferably less than 132° C., and it can be used for manufacturing films having good sealing properties.
摘要翻译: 一种生产丙烯三元共聚物的方法,包括:a)向淤浆反应器中加入含有50-85%(重量)丙烯,1-10%乙烯,15-40%(重量)另一种C 4 -C 8α- 烯烃,在所述温度条件下保持烯烃聚合的催化剂体系,以及任选的氢气,b)在低于70℃的温度下将所述反应混合物聚合足够的时间以获得总共为50-99w-%的丙烯三元共聚物 的最终产物,c)将所述反应混合物转移到在高于5巴,优选高于10巴的压力下操作的气相反应器,任选地加入0-30重量%的乙烯,0-10重量%的乙烯, 另外的C 4 -C 8α-烯烃,0-40%(重量)的丙烯和任选的氢,和d)在所述气相反应器中连续聚合,得到总共1-50%(重量)最终产物的丙烯三元共聚物。 三元共聚物的熔融温度小于135℃,优选小于132℃,可用于制造具有良好密封性能的膜。
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公开(公告)号:US06552149B2
公开(公告)日:2003-04-22
申请号:US10036728
申请日:2001-12-21
申请人: Kauno Alastalo , Bo Malm , Päivi Pitkänen , Mika Meller , Anne Britt Bjåland , Nina Ackermans , Kshama Motha
发明人: Kauno Alastalo , Bo Malm , Päivi Pitkänen , Mika Meller , Anne Britt Bjåland , Nina Ackermans , Kshama Motha
IPC分类号: C08F21006
CPC分类号: C08F297/08 , B01J2219/00128 , B01J2219/00162 , B01J2219/00164 , B01J2219/00184 , C08F10/06 , C08F210/06 , C08F210/16 , Y10S526/905 , Y10S526/916 , C08F2/14 , C08F2/06 , C08F2/001 , C08F210/08 , C08F2500/12 , C08F2500/18 , C08F2500/26
摘要: A process for producing terpolymers of propylene, comprising a) feeding into a slurry reactor a reaction mixture containing 50-85 w-% of propylene, 1-10 w-% of ethylene, 15-40 w-% of another C4-C8 alpha-olefin, a catalyst system maintaining olefin polymerization at said temperature conditions, and optionally hydrogen, b) polymerizing said reaction mixture at a temperature of lower than 70° C. a sufficient time to obtain a propylene terpolymer amounting to 50-99 w-% of the end product, c) transferring said reaction mixture into a gas phase reactor operating at a pressure of higher than 5 bars, preferably higher than 10 bars, optionally adding 0-30 w-% of ethylene, 0-10 w-% of another C4-C8 alpha-olefin, 0-40 w-% of propylene and optionally hydrogen, and d) continuing polymerization in said gas phase reactor for obtaining a propylene terpolymer amounting to 1-50 wt-% of the end product. The terpolymer has a melting temperature a less than 135° C., preferably less than 132° C., and it can be used for manufacturing films having good sealing properties.
摘要翻译: 一种生产丙烯三元共聚物的方法,包括:a)向淤浆反应器中加入含有50-85%(重量)丙烯,1-10%乙烯,15-40%(重量)另一种C 4 -C 8α- 烯烃,在所述温度条件下保持烯烃聚合的催化剂体系,以及任选的氢气,b)在低于70℃的温度下将所述反应混合物聚合足够的时间以获得总共为50-99w-%的丙烯三元共聚物 的最终产物,c)将所述反应混合物转移到在高于5巴,优选高于10巴的压力下操作的气相反应器,任选地加入0-30重量%的乙烯,0-10重量%的乙烯, 另外的C 4 -C 8α-烯烃,0-40%(重量)的丙烯和任选的氢,和d)在所述气相反应器中连续聚合,得到总共1-50%(重量)最终产物的丙烯三元共聚物。 三元共聚物的熔融温度小于135℃,优选小于132℃,可用于制造具有良好密封性能的膜。
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