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公开(公告)号:US5114897A
公开(公告)日:1992-05-19
申请号:US708416
申请日:1991-05-31
CPC分类号: C08F10/00
摘要: Olefins are polymerized under solution polymerization conditions in the presence of the solid catalytic product resulting from removing the liquid components from the product resulting from admixing in an inert diluent and in an atmosphere which excludes moisture and oxygen (A) at least one hydrocarbon soluble organomagnesium compound; (B) at least one organic hydroxyl-containing compound; (C) at least one reducing halide source; (D) at least one transition metal (Tm) alkoxide.
摘要翻译: 烯烃在溶液聚合条件下在固体催化剂存在下进行聚合,这是由惰性稀释剂和不含水分和氧气的气氛中除去来自产物的液体组分得到的(A)至少一种可溶于烃的有机镁化合物 ; (B)至少一种含有机羟基化合物; (C)至少一种还原卤素源; (D)至少一种过渡金属(Tm)醇盐。
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公开(公告)号:US3961943A
公开(公告)日:1976-06-08
申请号:US569628
申请日:1975-04-18
CPC分类号: C22B7/007 , B01J23/96 , C22B11/04 , Y02P10/234
摘要: The inactive palladium-containing precipitate formed during the reaction of a carboxylic acid and an olefin to form an ester can be reactivated by the addition of a suitable reducing agent to a slurry of the precipitate in the ester.
摘要翻译: 在羧酸和烯烃反应形成酯时形成的不活泼的含钯沉淀可以通过向酯中的沉淀物的浆液中加入合适的还原剂来再活化。
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公开(公告)号:US5089572A
公开(公告)日:1992-02-18
申请号:US395176
申请日:1989-08-18
CPC分类号: C07B61/00 , C08F8/42 , Y10S526/912
摘要: A process for blanking a reaction mixture utilizing as a blanking agent a difunctional lithium composition.
摘要翻译: 使用二官能锂组合物作为消隐剂冲洗反应混合物的方法。
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公开(公告)号:US5045612A
公开(公告)日:1991-09-03
申请号:US510492
申请日:1990-04-18
CPC分类号: C08F10/00
摘要: Olefins are polymerized under solution polymerization conditions in the presence of the solid catalytic product resulting from removing the liquid components from the product resulting from admixing in an inert diluent and in an atmosphere which excludes moisture and oxygen (A) at least one hydrocarbon soluble organomagnesium compound; (B) at least one organic hydroxyl-containing compound; (C) at least one reducing halide source; (D) at least one transition metal (Tm) alkoxide.
摘要翻译: 烯烃在溶液聚合条件下在固体催化剂存在下进行聚合,这是由惰性稀释剂和不含水分和氧气的气氛中除去来自产物的液体组分得到的(A)至少一种可溶于烃的有机镁化合物 ; (B)至少一种含有机羟基化合物; (C)至少一种还原卤素源; (D)至少一种过渡金属(Tm)醇盐。
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公开(公告)号:US4419269A
公开(公告)日:1983-12-06
申请号:US447385
申请日:1982-12-06
CPC分类号: C08F10/00
摘要: A transition metal-containing catalyst is prepared by(A) reacting in the presence of an inert hydrocarbon diluent(1) the reaction product of(a) an organomagnesium compound;(b) water, carbon dioxide or an organic oxygen-containing compound; and(c) an electron donor or Lewis base;and(2) a transition metal halide;(B) recovering and washing the resultant solid reaction product with an inert hydrocarbon;(C) reacting the washed solid product from (B) with(1) titanium tetrachloride and(2) a reducing agent;(D) stirring the mixture until the brown .beta.-crystalline form of titanium trichloride is transformed into the violet .alpha.-crystalline form; and(E) recovering and washing the resultant solid catalyst with an inert hydrocarbon.
摘要翻译: 通过(A)在惰性烃稀释剂(1)与(a)有机镁化合物的反应产物的存在下反应制备含过渡金属的催化剂; (b)水,二氧化碳或有机含氧化合物; 和(c)电子给体或路易斯碱; 和(2)过渡金属卤化物; (B)用惰性烃回收和洗涤所得的固体反应产物; (C)使来自(B)的洗涤固体产物与(1)四氯化钛和(2)还原剂反应; (D)搅拌该混合物,直到三氯化钛的棕色β-晶型形式转变为紫色α-晶形; 和(E)用惰性烃回收和洗涤所得的固体催化剂。
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