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    Process and catalyst for the preparation of syndiotactic 1,2,-polybutadiene
    2.
    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

    Applicant: Josef Witte ,  Gerd Sylvester ,  Bernd Stollfuss

    Inventor： Josef Witte ,  Gerd Sylvester ,  Bernd Stollfuss

    IPC: C08F4/60 ,  C08F4/62 ,  C08F4/69 ,  C08F136/06

    CPC classification number: C08F136/06 ,  Y10S526/903

    Abstract: 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.

    Abstract translation: 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。

    Antiagers and polymers containing them
    3.
    发明授权
    Antiagers and polymers containing them 失效
    含有它们的抗老化剂和聚合物

    公开(公告)号：US4654387A

    公开(公告)日：1987-03-31

    申请号：US763393

    申请日：1985-08-07

    Applicant: Hans-Josef Buysch ,  Zsolt Szentivanyi ,  Josef Witte

    Inventor： Hans-Josef Buysch ,  Zsolt Szentivanyi ,  Josef Witte

    IPC: C07C67/00 ,  C07C209/00 ,  C07C211/56 ,  C07C233/44 ,  C07C233/55 ,  C07C239/00 ,  C07C271/28 ,  C07C301/00 ,  C07C311/00 ,  C08K5/18 ,  C08K5/20 ,  C08K5/42 ,  C08L7/00 ,  C08L21/00 ,  C08L23/00 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02 ,  C08L101/00 ,  C08F220/60 ,  C08F279/02

    CPC classification number: C08K5/42 ,  C08K5/18 ,  C08K5/20 ,  Y10S524/925

    Abstract: Compounds corresponding to the following general formula: ##STR1## wherein R.sup.0 represents H or, together with R.sup.1, represents --CO-- when X represents --CO-- or, together with R.sup.2, represents --CO-- when X represents --CH.sub.2 --CO,a residue of R, R.sup.1 and R.sup.2, H, C.sub.1 -C.sub.4 alkyl, aryl, COOR.sup.5 or, when R.sup.0 represents H and X represents --CO--, ##STR2## and the other residues R, R.sup.1 and R.sup.2 represent H; R.sup.3 represents H or CH.sub.3 ;R.sup.4 represents C.sub.7 -C.sub.20 aralkyl;R.sup.5 represents H, C.sub.1 -C.sub.4 alkyl or C.sub.6 -C.sub.12 aryl;X represents a residue --(CH.sub.2).sub.n CO--, --(CH.sub.2).sub.n SO.sub.2, --CH.sub.2 --, --CH.sub.2 O--CO-- ##STR3## m represents 1 or 2; and n represents 0 or 1;are suitable for use as incorporable antiagers for polymers, particularly nitrile rubber.

    Abstract translation: 对应于以下通式的化合物：其中R 0表示H或与X一起代表-CO-，当X表示-CO-或与R 2一起表示-CO-，当X表示-CH 2 -CO时，R 1表示-CO-， R，R 1和R 2，H，C 1 -C 4烷基，芳基，COOR 5的残基，或当R 0表示H且X表示-CO-时，其中R，R 1和R 2表示H; R3表示H或CH3; R4代表C7-C20芳烷基; R5表示H，C1-C4烷基或C6-C12芳基; X表示残基 - （CH 2）n CO-， - （CH 2）n SO 2，-CH 2 - ， - CH 2 O-CO-，其中m表示1或2; n表示0或1; 适用于聚合物，特别是丁腈橡胶的合成防腐剂。

    Catalyst, preparation thereof and use thereof in the preparation of telomeric polybutadiene homo- or co-polymers
    4.
    发明授权
    Catalyst, preparation thereof and use thereof in the preparation of telomeric polybutadiene homo- or co-polymers 失效

    公开(公告)号：US4316820A

    公开(公告)日：1982-02-23

    申请号：US120626

    申请日：1980-02-11

    Applicant: Wolfgang Wieder ,  Josef Witte

    Inventor： Wolfgang Wieder ,  Josef Witte

    IPC: C08F4/00 ,  C08F2/38 ,  C08F4/42 ,  C08F4/46 ,  C08F36/06 ,  B01J31/12

    CPC classification number: C08F36/06

    Abstract: A catalyst comprising:(a) an organometallic compound corresponding to the following general formula: RMe wherein R represents a saturated aliphatic or aromatic hydrocarbon radical having from 2 to 8 carbon atoms; and Me represents an alkali metal;(b) a compound corresponding to the following general formula: R'OMe' wherein R' represents a saturated aliphatic or aromatic hydrocarbon radical having from 2 to 8 carbon atoms; and Me' represents an alkali metal; and(c) a tertiary aliphatic triamine.A process for the preparation of said catalyst wherein components (a), (b) and (c) are dissolved, in any order, in an aliphatic or aromatic hydrocarbon and reacted at temperatures of from 0.degree. to 100.degree. C., and its use in the preparation of telomeric polybutadiene homo- or co-polymers.

    Solution polymerization of conjugated dienes
    5.
    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

    Applicant: Gerd Sylvester ,  Josef Witte ,  Gunter Marwede

    Inventor： Gerd Sylvester ,  Josef Witte ,  Gunter Marwede

    IPC: C08F4/00 ,  C08F4/60 ,  C08F4/62 ,  C08F4/72 ,  C08F36/00 ,  C08F36/04 ,  C08F4/52

    CPC classification number: C08F36/04

    Abstract: 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.

    Abstract translation: 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
    6.
    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

    Applicant: Gerd Sylvester ,  Manfred Beck ,  Josef Witte ,  Gottfried Pampus

    Inventor： Gerd Sylvester ,  Manfred Beck ,  Josef Witte ,  Gottfried Pampus

    IPC: C08F4/00 ,  C08F4/60 ,  C08F4/619 ,  C08F4/64 ,  C08F36/00 ,  C08F136/06

    CPC classification number: C08F136/06

    Abstract: 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.

    Abstract translation: 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
    7.
    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

    Applicant: Josef Witte ,  Gerd Sylvester ,  Gunter Marwede

    Inventor： Josef Witte ,  Gerd Sylvester ,  Gunter Marwede

    IPC: C07F9/00 ,  C08F210/06 ,  C08F236/06 ,  C08F4/68

    CPC classification number: C08F210/06 ,  C07F9/005 ,  C08F236/06

    Abstract: 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.

    Abstract translation: 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。

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