Process and catalyst for the preparation of syndiotactic
1,2,-polybutadiene
    23.
    发明授权
    Process and catalyst for the preparation of syndiotactic 1,2,-polybutadiene 失效
    制备间同立构1,2-,聚丁二烯的方法和催化剂

    公开(公告)号:US4751275A

    公开(公告)日:1988-06-14

    申请号:US919707

    申请日:1986-10-16

    CPC分类号: C08F136/06 Y10S526/903

    摘要: Syndiotactic 1,2-polybutadiene of high quality may be obtained in excellent yield by solution polymerization of butadiene-(1,3) in hydrocarbons, using organometallic mixed catalysts composed of trialkylaluminium, hydrocarbon-soluble chromium-III compounds and a dialkylphosphite corresponding to the formula ##STR1## wherein R denotes straight chained or branched C.sub.1 -C.sub.8 -alkyl andR.sub.1, R.sub.2 and R.sub.3 denote methyl or ethyl orR and R.sub.1 together form a methylene group.

    摘要翻译: 使用由三烷基铝,可溶于烃的铬-III化合物和对应于其的二烷基亚磷酸酯组成的有机金属混合催化剂,可以通过在烃中的丁二烯 - (1,3)的溶液聚合获得高质量的间同立构1,2-聚丁二烯 其中R表示直链或支链C 1 -C 8 - 烷基,R 1,R 2和R 3表示甲基或乙基,或R 1和R 2一起形成亚甲基。

    Solution polymerization of conjugated dienes
    24.
    发明授权
    Solution polymerization of conjugated dienes 失效
    共轭二烯的溶液聚合

    公开(公告)号:US4260707A

    公开(公告)日:1981-04-07

    申请号:US117523

    申请日:1980-02-01

    CPC分类号: C08F36/04

    摘要: A catalyst comprising(a) a reaction mixture formed by reacting M(RCO.sub.2).sub.3 with AlR.sub.3.sup.1,(b) AlR.sub.3.sup.2 and/or HAlR.sub.2.sup.2 and(c) a Lewis acidwherein M denotes a trivalent rare earth element with an atomic number of 57 to 71, R denotes a saturated or unsaturated, straight chain or branched chain alkyl group having 1 to 20 C-atoms which may be substituted one or more times with cycloalkyl having 5 to 7-atoms and/or phenyl, the carboxyl group being attached to a primary, secondary or tertiary C-atom; a cycloalkyl group having 5 to 7 ring carbon atoms, which may be substituted one or more times with alkyl groups having from 1 to 5 C-atoms; or an aromatic group having from 6 to 10 ring carbon atoms, which may be substituted one or more times with alkyl groups having 1 to 5 C-atoms, and R.sup.1 and R.sup.2 are identical or different, straight chain or branched chain alkyl groups having from 1 to 10 C-atoms. Said catalyst may be used for polymerizing diene monomers in solution. Its production takes place by mixing the components in any order.

    摘要翻译: 一种催化剂,其包含(a)通过使M(RCO 2)3与AlR 31反应形成的反应混合物,(b)AlR32和/或HAR1R22和(c)路易斯酸,其中M表示原子序数为57〜 71,R表示具有1〜20个碳原子的饱和或不饱和的直链或支链烷基,其可以被具有5至7个原子的环烷基和/或苯基取代一次或多次,羧基连接到 一级,二级或三级C原子; 具有5至7个环碳原子的环烷基,其可以被具有1至5个C原子的烷基取代一次或多次; 或具有6至10个环碳原子的芳族基团,其可以被具有1至5个C原子的烷基取代一次或多次,并且R 1和R 2相同或不同,具有直链或支链烷基 1〜10个C原子。 所述催化剂可用于在溶液中聚合二烯单体。 其生产通过以任何顺序混合组分进行。

    Catalyst, its preparation and use in the polymerization of butadiene
    25.
    发明授权
    Catalyst, its preparation and use in the polymerization of butadiene 失效
    催化剂,其制备和用于丁二烯聚合

    公开(公告)号:US4216121A

    公开(公告)日:1980-08-05

    申请号:US5445

    申请日:1979-01-22

    CPC分类号: C08F136/06

    摘要: A catalyst composition comprising (a) TiI.sub.4 and/or TiOR.sup.1 I.sub.3, (b) AlR.sub.3 and/or HAlR.sub.2 and (c) TiXCl.sub.3 can be used for polymerizing butadiene. Said catalyst can be obtained by mixing the components a, b and c in any order at temperatures from -10.degree. to +80.degree. C. R' represents C.sub.1-8 alkyl and X represents a C.sub.1-12 alkoxy radical optionally substituted one or more times by halogen, C.sub.6 or C.sub.7 cycloalkyl and/or phenyl, a C.sub.5-7 cycloalkoxy radical optionally substituted one or more times by C.sub.1-5 alkyl groups, a phenoxy group corresponding to the formula ##STR1## wherein R.sub.2 and R.sub.6 can be the same or different and are hydrogen or C.sub.1-5 alkyl, a carboxyl group having the formula R.sup.7 --COO wherein R.sup.7 is C.sub.1-12 alkyl optionally substituted one or more times by halogen, C.sub.5-7 cycloalkyl and/or phenyl, a C.sub.5-7 cycloalkyl radical optionally substituted one or more times by C.sub.1-5 alkyl groups, or phenyl.

    摘要翻译: 包含(a)TiI4和/或TiOR1I3,(b)AlR3和/或HA1R2和(c)TiXCl3的催化剂组合物可用于聚合丁二烯。 所述催化剂可以通过在-10℃至+ 80℃的温度下以任何顺序混合组分a,b和c来获得.R'表示C1-8烷基,X表示任选被一个或多个取代基取代的C 1-12烷氧基 卤素,C6或C7环烷基和/或苯基,C5-7环烷​​氧基任选被C1-5烷基取代一次或多次,苯酚基团相应于通式其中R2和R6可以相同 或不同的是氢或C 1-5烷基,具有式R7-COO的羧基,其中R7是任选被卤素,C 5-7环烷​​基和/或苯基取代一次或多次的C 1-12烷基,C 5-7环烷​​基 任选地被C 1-5烷基取代的一个或多个自由基,或苯基。

    Process for the production of butadiene-propylene copolymers
    26.
    发明授权
    Process for the production of butadiene-propylene copolymers 失效
    生产丁二烯 - 丙烯共聚物的方法

    公开(公告)号:US4189558A

    公开(公告)日:1980-02-19

    申请号:US907185

    申请日:1978-05-18

    摘要: A process for the production of strictly alternating copolymers of trans-1,4-butadiene and propylene units by the solution copolymerization of butadiene and propylene with vanadium-containing organometallic mixed catalysts, wherein vanadyl dialkoxy halides of which the alkoxy groups are branched in the 2-position to the oxygen atom are used as the vanadium compounds.

    摘要翻译: 通过丁二烯和丙烯与含钒有机金属混合催化剂的溶液共聚制备反式1,4-丁二烯和丙烯单元的严格交替共聚物的方法,其中烷氧基在2位上分支的氧化二烷氧基卤化物 使用与氧原子的位置作为钒化合物。