Process for the production of high molecular weight polychloroprene and
its use as a starting material for adhesives
    11.
    发明授权
    Process for the production of high molecular weight polychloroprene and its use as a starting material for adhesives 失效
    用于生产高分子量聚氯丁二烯的方法及其用作粘合剂的起始材料

    公开(公告)号:US4405742A

    公开(公告)日:1983-09-20

    申请号:US280018

    申请日:1981-06-30

    CPC分类号: C08F36/18

    摘要: By adding substances corresponding to the following general formula I ##STR1## in which X=O, S or N--R.sub.5 ; R.sub.1 =hydrogen, C.sub.1 -C.sub.19 -alkyl, C.sub.2 -C.sub.19 -alkenyl, phenyl, C.sub.1 -C.sub.4 -alkylene phenyl, C.sub.5 -C.sub.12 -cycloalkyl or C.sub.5 -C.sub.12 -cycloalkenyl; R.sub.2 =hydrogen, C.sub.1 -C.sub.19 -alkyl, C.sub.2 -C.sub.12 -alkenyl, phenyl or C.sub.1 -C.sub.4 -alkylene phenyl; R.sub.3 =hydrogen, C.sub.1 -C.sub.19 -alkyl, C.sub.2 -C.sub.19 -alkenyl, phenyl, C.sub.1 -C.sub.4 -alkylene phenyl, acryl formyl or acetyl; R.sub.4 and R.sub.5 =same or different, C.sub.1 -C.sub.19 -alkyl, C.sub.2 -C.sub.19 -alkenyl, phenyl, C.sub.1 -C.sub.4 -alkylene phenyl, acryl, C.sub.5 -C.sub.12 -cycloalkyl or C.sub.5 -C.sub.12 -cycloalkenyl; R.sub.4 and R.sub.5 may also form a C.sub.4 -C.sub.7 -ring which may optionally contain an oxygen atom in ether form and the radicals R.sub.1 and R.sub.2 may form a C.sub.5 -C.sub.12 -alkylene bridge or a C.sub.5 -C.sub.12 -alkenylene bridge, the radicals R.sub.1 and R.sub.4 may form a C.sub.2 -C.sub.9 -alkylene bridge and the radicals R.sub.1 and R.sub.3 may form a C.sub.3 -C.sub.10 -alkylene bridge; where R.sub.1 and R.sub.2 are attached, the ring formed may be bridged by a C.sub.1 -C.sub.4 -alkylene bridge and the ring systems formed may be substituted by the radical R.sub.6 which represents hydrogen, C.sub.1 -C.sub.5 -alkyl or C.sub.2 -C.sub.5 -alkenyl, in quantities of from 0.05 to 3% by weight, based on 100 parts by weight of monomer, to the aqueous emulsion polymerization of chloroprene at the beginning of the reaction, during or after polymerization, but at the latest before the residual monomers are removed, high-viscosity polychloroprenes characterized by excellent processing behaviour and product properties are obtained.

    摘要翻译: 通过添加对应于下列通式I(I)的物质,其中X = O,S或N-R 5; R1 =氢,C1-C19 - 烷基,C2-C19 - 烯基,苯基,C1-C4-亚烷基苯基,C5-C12-环烷基或C5-C12-环烯基; R2 =氢,C1-C19 - 烷基,C2-C12-烯基,苯基或C1-C4-亚烷基苯基; R3 =氢,C1-C19 - 烷基,C2-C19 - 烯基,苯基,C1-C4-亚烷基苯基,丙烯酰甲酰基或乙酰基; R 4和R 5相同或不同,C 1 -C 19 - 烷基,C 2 -C 19 - 烯基,苯基,C 1 -C 4亚烷基苯基,丙烯酰基,C 5 -C 12 - 环烷基或C 5 -C 12 - 环烯基; R4和R5还可以形成可以任选地含有醚形式的氧原子的C 4 -C 7环,并且基团R 1和R 2可以形成C 5 -C 12亚烷基桥或C 5 -C 12 - 亚烯基桥,基团R 1和 R4可以形成C 2 -C 9 - 亚烷基桥,基团R 1和R 3可以形成C 3 -C 10亚烷基桥; 其中R 1和R 2连接,所形成的环可以被C 1 -C 4 - 亚烷基桥桥连,所形成的环体系可以被代表氢,C 1 -C 5 - 烷基或C 2 -C 5 - 烯基的基团R 6代替, 在反应开始时,在聚合过程中或之后的氯丁二烯的水乳液聚合中,基于100重量份的单体,以0.05重量%的量计,残留单体除去之前的量高 获得以优异的加工性能和产品性能为特征的粘性聚氯乙烯。

    Polymerization of chloroprene with xanthates and dithiocarbamates
    13.
    发明授权
    Polymerization of chloroprene with xanthates and dithiocarbamates 失效
    氯丁二烯与二硫代氨基甲酸酯的聚合

    公开(公告)号:US4814401A

    公开(公告)日:1989-03-21

    申请号:US161990

    申请日:1988-02-29

    CPC分类号: C08F36/18

    摘要: An improved process for the preparation of polychloroprene by the emulsion (co)polymerization of chloroprene and optionally other monomers capable of copolymerization with chloroprene, using a peroxo activator, and subsequent working up of the product by stopping the reaction, stabilizing, degassing and isolating the product, characterized in that polymerization is carried out in the presence of dithiocarbamates and/or xanthates and 0 to 0.5% by weight of sodium .beta.-anthraquinone sulphonate.

    摘要翻译: 通过氯丁二烯和任选的其它能够与氯丁二烯共聚合的单体(使用过氧化氢活化剂)的乳液(共)聚合,以及随后通过停止反应,稳定化,脱气和分离来处理产物来改进制备聚氯丁二烯的改进方法 产物,其特征在于聚合在二硫代氨基甲酸盐和/或黄原酸盐和0至0.5重量%的β-蒽醌磺酸钠存在下进行。

    Process employing xanthogen disulphides with functional groups to
produce chloroprene polymer blends
    15.
    发明授权
    Process employing xanthogen disulphides with functional groups to produce chloroprene polymer blends 失效
    使用具有官能团的黄原酸二硫化物来制备氯丁二烯聚合物共混物的方法

    公开(公告)号:US3954916A

    公开(公告)日:1976-05-04

    申请号:US570099

    申请日:1975-04-21

    摘要: This invention relates to xanthogen disulphides of the formula ##EQU1## in which R is the same or different and denotes the following groups: ##EQU2## wherein X = H, alkyl, aryl, aralkyl or halogenn = 1 to 20,A process for preparing them, a process for polymerising dienes and monoethylenically unsaturated copolymerizable monomers in the presence of these particular xanthogen disulphides and to vulcanisable rubber mixtures consisting of an uncross-linked benzene soluble chloroprene homopolymer or copolymer which is prepared in the presence of said xanthogen disulphides.

    摘要翻译: 本发明涉及式ROCSSCOR PARALLEL PARALLEL SS的Xanthogen二硫化物,其中R相同或不同,表示以下基团:O O-CX2 ANGLE X2C ANGLE |或X2CCX2 OC-(CX2)n- || | OC-( CX2)n-X ANGLE | CX | X2其中X = H,烷基,芳基,芳烷基或卤素N = 1〜20,其制备方法,聚合二烯和单乙烯基不饱和可共聚单体在这些特定存在下的方法 XANTHOGEN DISULPHIDES和VULCANISABLE RUBBER MIXTURES涵盖一种未经连接的苯乙烯可溶性氯乙烯共聚物或共聚物,它是在存在的XANTHOGEN DISULPHIDES中制备的。

    Process for the production of toluene-soluble, sulphur-modified
chloroprene polymers
    17.
    发明授权
    Process for the production of toluene-soluble, sulphur-modified chloroprene polymers 失效
    用于生产甲苯可溶性,硫改性氯丁二烯聚合物的方法

    公开(公告)号:US4920189A

    公开(公告)日:1990-04-24

    申请号:US89934

    申请日:1987-08-25

    CPC分类号: C08F36/18

    摘要: Toluene-soluble, sulphur-modified polychloroprene is obtained by emulsion copolymerization of chloroprene, sulphur and optionally further monomers which are copolymerizable with chloroprene and sulphur using a peroxy activator and subsequent working-up by stabilizing, stopping, degassing and isolating without separate peptization, in that polymerization is carried out in the presence of dithiocarbamates and/or xanthogenates and the activator is metered in continuously or batch-wise during the course of polymerization.

    摘要翻译: 甲苯可溶的硫改性聚氯丁二烯是通过氯丁二烯,硫和任选的其它可与氯丁二烯和硫共聚的其它单体通过使用过氧化物活化剂进行乳液共聚获得的,随后通过稳定,停止,脱气和分离而不分开胶溶, 在二硫代氨基甲酸盐和/或黄原酸盐的存在下进行聚合,并且在聚合过程中连续或间歇地计量活化剂。

    Xanthogen disulphides with functional groups
    20.
    发明授权
    Xanthogen disulphides with functional groups 失效
    Xanthogen二硫键与官能团

    公开(公告)号:US4016177A

    公开(公告)日:1977-04-05

    申请号:US570098

    申请日:1975-04-21

    摘要: This invention relates to xanthogen disulphides of the formula ##STR1## in which R is the same or different and denotes the following groups: ##STR2## wherein X = H, alkyl, aryl, aralkyl or halogenn = 1 to 20,A process for preparing them, a process for polymerizing dienes and .alpha.-olefines in the presence of these particular xanthogen disulphides and to vulcanizable rubber mixtures consisting of an uncross-linked benzene soluble chloroprene homopolymer or copolymer which is prepared in the presence of said xanthogen disulphides.

    摘要翻译: 本发明涉及式“IMAGE”的Xanthogen二硫化物,其中R相同或不同,表示以下基团:其中X = H,烷基,芳基,芳烷基或卤素N = 1至20,A的方法 制备它们,在这些特殊的XANTHOGEN DISPHPHES存在下聚合二烯和α-烯烃的方法以及包含在已存在的XANTHOGEN DISRPHES中制备的未经连接的苯并噻唑类共聚物或共聚物的VULC可化橡胶混合物的方法。