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    • 2. 发明公开
    • Process for polybutadiene production using catalyst with high activity
    • 卡斯塔利翁。
    • EP0652240A1
    • 1995-05-10
    • EP94117015.1
    • 1994-10-27
    • BAYER RUBBER INC.
    • Knauf, Thomas F.Osman, Akhtar
    • C08F136/06C08F4/52
    • C08F136/06C08F4/545
    • A process for producing high cis-1,4-polybutadienes using a catalyst system based on a rare earth compound that exhibits improved catalytic activity is provided which process comprises polymerizing 1,3-butadiene in a polymerization medium comprising a hydrocarbon solvent at a temperature of from about 0°C to about 120°C in the presence of a catalyst system which is a mixture of (1) a rare earth carboxylate selected from the group of neodymium carboxylates wherein the carboxylate has from 4 to 12 carbon atoms, (2) an alkyl aluminum chloride selected from the group of compounds represented by the formulae R²AlCl₂, R²₃Al₂Cl₃ and R²₂AlCl wherein R² is a hydrocarbon residue having from 8 to 12 carbon atoms and (3) an organo aluminum compound of the formula R³₂AlH wherein R³ is an alkyl group having from 2 to 6 carbon atoms, the ratio of the mols of the rare earth carboxylate to the mols of (2) plus (3) is in the range from about 1:1.5 to about 1:100, to the desired conversion.
    • 提供了使用基于稀土化合物的催化剂体系生产高顺式-1,4-聚丁二烯的方法,其表现出改进的催化活性,该方法包括在包含烃溶剂的聚合介质中将1,3-丁二烯聚合在包含烃溶剂的温度 (1)稀土羧酸盐的混合物的催化剂体系存在下,约0℃至约120℃,所述稀土羧酸盐选自羧酸盐中的4至12个碳原子的羧酸钕基团,(2) 选自由式R 2 AlCl 2,R 2 3AlCl 3和R 2 2AlCl表示的化合物组的烷基氯化铝,其中R 2是具有8至12个碳原子的烃残基和(3 )式R 3 2AlH的有机铝化合物,其中R 3是具有2至6个碳原子的烷基,所述稀土羧酸盐的摩尔数与(2)加(3)的摩尔的摩尔比 )在约1:1.5至约1:100的范围内,达到所需的对流 rsion。
    • 4. 发明公开
    • Reduced fouling in process for production of EP
    • 减少结垢的工艺EP的制备。
    • EP0652234A3
    • 1995-10-25
    • EP94117016.9
    • 1994-10-27
    • BAYER RUBBER INC.
    • Knauf, Thomas F.Osman, AkhtarPadliya, Dilipkumar
    • C08F4/68C08F210/16C08F210/18
    • C08F10/00C08F4/68
    • A process for producing EP and EPDM polymers with a reduction in fouling is provided, which process comprises polyemrizing ethylene, an alpha-olefin and a nonconjugated diolefin (if utilized) in a polymerization medium comprising a hydrocarbon diluent at a temperature of from about -50°C to about 150°C in the presence of a catalyst system comprising (a) a vanadium compound, (b) diethyl aluminum chloride, ethyl aluminum sesquichloride or ethyl aluminum dichloride and (c) an organo aluminum compound of the formula R₃Al wherein R is an alkyl group having from 8 to 12 carbon atoms and, optionally, triethyl aluminum, the molar ratio of chloride in diethyl aluminum chloride to the total aluminum content in (b) and (c) being from about 0.7:1 to about 0.95:1, the molar ratio of the chloride in ethyl aluminum sesquichloride to the total aluminum content in (b) and (c) being from about 0.7:1 to about 1.4:1 and the molar ratio of the chloride in ethyl aluminum dichloride to the total aluminum content in (b) and (c) being from about 0.7:1 to about 1.8:1 and the ratio of the mols of vanadium compound to the total mols of diethyl aluminum chloride and ethyl aluminum sesquichloride being from about 1:10 to about 1:50 to the desired conversion.
    • 6. 发明公开
    • Reduced fouling in process for production of EP
    • Verminderte Verschmutzung in einem Verfahren zur Herstellung von EP。
    • EP0652234A2
    • 1995-05-10
    • EP94117016.9
    • 1994-10-27
    • BAYER RUBBER INC.
    • Knauf, Thomas F.Osman, AkhtarPadliya, Dilipkumar
    • C08F4/68C08F210/16C08F210/18
    • C08F10/00C08F4/68
    • A process for producing EP and EPDM polymers with a reduction in fouling is provided, which process comprises polyemrizing ethylene, an alpha-olefin and a nonconjugated diolefin (if utilized) in a polymerization medium comprising a hydrocarbon diluent at a temperature of from about -50°C to about 150°C in the presence of a catalyst system comprising (a) a vanadium compound, (b) diethyl aluminum chloride, ethyl aluminum sesquichloride or ethyl aluminum dichloride and (c) an organo aluminum compound of the formula R₃Al wherein R is an alkyl group having from 8 to 12 carbon atoms and, optionally, triethyl aluminum, the molar ratio of chloride in diethyl aluminum chloride to the total aluminum content in (b) and (c) being from about 0.7:1 to about 0.95:1, the molar ratio of the chloride in ethyl aluminum sesquichloride to the total aluminum content in (b) and (c) being from about 0.7:1 to about 1.4:1 and the molar ratio of the chloride in ethyl aluminum dichloride to the total aluminum content in (b) and (c) being from about 0.7:1 to about 1.8:1 and the ratio of the mols of vanadium compound to the total mols of diethyl aluminum chloride and ethyl aluminum sesquichloride being from about 1:10 to about 1:50 to the desired conversion.
    • 提供了一种生产具有减少结垢的EP和EPDM聚合物的方法,该方法包括在包含烃稀释剂的聚合介质中在约-50℃的温度下聚乙烯,α-烯烃和非共轭二烯烃(如果使用) 在(a)钒化合物,(b)二乙基氯化铝,乙基倍半氯化铝或二氯化乙基铝的催化剂体系的存在下,在约0.03至约150℃的温度下,和(c)式R3Al的有机铝化合物,其中R 是具有8至12个碳原子的烷基和任选的三乙基铝,(b)和(c)中氯化铝中氯化物与总铝含量的摩尔比为约0.7:1至约0.95:1, 如图1所示,(b)和(c)中的乙基倍半氯化铝中的氯化物与总铝含量的摩尔比为约0.7:1至约1.4:1,二氯乙基铝中的氯化物与总氯化物的摩尔比 明矾 (b)和(c)中的含量为约0.7:1至约1.8:1,钒化合物的摩尔数与二乙基氯化铝和三乙基铝的总摩尔数的比例为约1:10至约 1:50到所需的转换。
    • 7. 发明公开
    • Process for producing a halogenated butyl rubber
    • Verfahren zur Herstellung von haloiertem Butylkautschuk。
    • EP0609737A3
    • 1994-12-28
    • EP94100941.7
    • 1994-01-24
    • BAYER RUBBER INC.
    • Osman, Akhtar
    • C08F210/12C08F2/38C08F2/34
    • C08F210/12C08F2/38
    • A halogenated butyl rubber is prepared by a process wherein a monomer charge comprising isobutylene, and a conjugated diolefin having the formula

      wherein R i , R 2 and R 3 which may be the same or different are a methyl group or a hydrogen atom and X is bromine or chlorine together with a initiator having the formula

      wherein each R 4 is an alkyl, aryl or aralkyl group, Y is preferably an alkoxy, hydroxy, peroxy ester or halide, and n is a positive whole number are introduced into a suitable reaction vessel in a specified ratio at a temperature of from about -90 to -10°C, a solution of a Lewis acid is added and the monomers are copolymerized at said temperature to form said halogenated butyl rubber, and the halogenated rubber is recovered from solution.
    • 卤化丁基橡胶是通过一种方法制备的,其中包含异丁烯的单体电荷和具有式CHEM的共轭二烯烃,其中可以相同或不同的R 1,R 2和R 3是甲基或氢原子,X是 溴或氯以及具有式CHEM的引发剂,其中每个R 4为烷基,芳基或芳烷基,Y优选为烷氧基,羟基,过氧酯或卤化物,n为正整数, 在约-90〜-10℃的温度下,以规定的比例加入反应容器,加入路易斯酸溶液,并在所述温度下将单体共聚形成所述卤化丁基​​橡胶,回收卤化橡胶 从解决方案。
    • 8. 发明公开
    • Process for producing a halogenated butyl rubber
    • 生产卤化丁基橡胶的方法
    • EP0609737A2
    • 1994-08-10
    • EP94100941.7
    • 1994-01-24
    • BAYER RUBBER INC.
    • Osman, Akhtar
    • C08F210/12C08F2/38C08F2/34
    • C08F210/12C08F2/38
    • A halogenated butyl rubber is prepared by a process wherein a monomer charge comprising isobutylene, and a conjugated diolefin having the formula

      wherein R i , R 2 and R 3 which may be the same or different are a methyl group or a hydrogen atom and X is bromine or chlorine together with a initiator having the formula

      wherein each R 4 is an alkyl, aryl or aralkyl group, Y is preferably an alkoxy, hydroxy, peroxy ester or halide, and n is a positive whole number are introduced into a suitable reaction vessel in a specified ratio at a temperature of from about -90 to -10°C, a solution of a Lewis acid is added and the monomers are copolymerized at said temperature to form said halogenated butyl rubber, and the halogenated rubber is recovered from solution.
    • 卤化丁基橡胶通过如下方法制备:其中包含异丁烯的单体电荷和具有下式的共轭二烯烃:其中R 1,R 2和R 3可以相同或不同,是甲基或氢原子,X是溴或氯 与具有下式的引发剂一起引入合适的反应容器中,其中每个R 4为烷基,芳基或芳烷基,Y优选为烷氧基,羟基,过氧酯或卤化物,并且n为正整数 在约-90至-10℃的温度下,加入路易斯酸溶液,并在所述温度下共聚单体以形成所述卤化丁基​​橡胶,并从溶液中回收卤化橡胶。
    • 9. 发明公开
    • Process for cis-1,4-poly-butadiene production with reduced gel formation
    • 一种制备顺式1,4-聚丁二烯具有减少的凝胶形成过程。
    • EP0652239A1
    • 1995-05-10
    • EP94117012.8
    • 1994-10-27
    • BAYER RUBBER INC.
    • Knauf, Thomas F.Osman, Akhtar
    • C08F136/06C08F4/70
    • C08F136/06C08F4/7096
    • A process for producing high cis-1,4-polybutadienes wherein there is reduced gel formation is provided which process comprises: polymerizing 1,3-butadiene in a polymerization medium comprising an inert hydrocarbon solvent and water at a temperature of from about -30°C to about 60°C in the presence of a catalyst system which is a mixture of (1) a substantially anhydrous divalent cobalt salt, (2) diethyl aluminum chloride or ethyl aluminum sesquichloride and (3) an organo aluminum compound of the formula R₃Al wherein R is an alkyl group having from 8 to 12 carbon atoms and, optionally triethylaluminum, the molar ratio of chloride in the diethyl aluminum chloride plus (3) being from about 0.7:1 to about 1 and the molar ratio of chloride in the ethyl aluminum sesquichloride plus (3) being from about 0.7:1 to about 1.4:1 and the ratio of the mols of the divalent cobalt salt to the total mols of diethyl aluminum chloride or ethyl aluminum sesquichloride plus (3) being from about 1:15 to about 1:30, the water being employed at a level of from about 0.1 to about 0.8 millimol for every millimol of diethyl aluminum chloride or ethyl aluminum sesquichloride used, to the desired conversion.
    • 10. 发明公开
    • Polyisobutylene based block copolymers
    • Blockcopolymeren auf der Basis von Polyisobutylen。
    • EP0509357A1
    • 1992-10-21
    • EP92105892.1
    • 1992-04-06
    • BAYER RUBBER INC.
    • Osman, Akhtar
    • C08G81/02
    • C08F297/00C08F297/02C08G81/021
    • A process for preparing linear block and three arm star block copolymers having blocks of polyisobutylene and blocks of anionically polymerizable monomers comprises mixing a first solution of a polyisobutylene having a number average molecular weight of from about 4,000 to about 60,000 and having from 1 to 3 terminal allylic halogens with a second solution of a living alkali metal terminated polymer having a number average molecular weight of from about 4,000 to about 60,000 in relative proportions at a temperature of from about 10°C to about 80°C for a period of time of from about 30 minutes to about 24 hours whereby a significant amount of linear block or three arm star block copolymer is formed. A polyisobutylene having from 1 to 3 terminal allylic halogens is provided and a process for preparing said polyisobutylene.
    • 制备具有聚异丁烯嵌段和阴离子可聚合单体嵌段的线性嵌段和三臂星形嵌段共聚物的方法包括将数均分子量为约4,000至约60000的聚异丁烯的第一溶液混合并具有1至3个末端 在大约10℃至大约80℃的温度下,具有数均分子量为约4,000至约60,000的活性碱金属封端聚合物的第二溶液的相对比例的烯丙基卤素持续一段时间 约30分钟至约24小时,由此形成显着量的线性嵌段或三臂星形嵌段共聚物。 提供了具有1至3个末端烯丙基卤素的聚异丁烯和制备所述聚异丁烯的方法。