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    Polycarbonate molding compositions with improved flame-repellency
    1.
    发明授权
    Polycarbonate molding compositions with improved flame-repellency 失效
    具有改善阻燃性能的聚碳酸酯模塑组合物

    公开(公告)号：US4208489A

    公开(公告)日：1980-06-17

    申请号：US868145

    申请日：1978-01-09

    申请人： Manfred Schmidt ,  Wolfgang Cohnen ,  Frank Kleiner ,  Dieter Freitag ,  Karsten Idel

    发明人： Manfred Schmidt ,  Wolfgang Cohnen ,  Frank Kleiner ,  Dieter Freitag ,  Karsten Idel

    IPC分类号： C08L69/00 ,  C08K3/00 ,  C08K5/16 ,  C08K5/34 ,  C08K5/3417 ,  C08K13/02 ,  C08K5/42 ,  C08K5/53

    CPC分类号： C08K5/3417 ,  C08K3/00 ,  C08K5/34

    摘要： Thermoplastic aromatic polycarbonate molding compositions with improved flame retardancy which contain an alkali metal salt of an organic or inorganic acid and optionally a perfluoroethylene, characterized in that they contain a tetrahalogenophthalimide of the general formulae (I) or (II) or mixtures thereof ##STR1## wherein R denotes a hydrogen atom or a C.sub.1 to C.sub.4 l alkyl, C.sub.6 H.sub.5, C.sub.10 H.sub.7, C.sub.6 H.sub.4 X, C.sub.6 H.sub.3 X.sub.2 or C.sub.6 H.sub.2 X.sub.3 group, in which X denotes a fluorine, chlorine or bromine atom, R' denotes a single bond or a C.sub.2 to C.sub.4 alkylene, C.sub.6 H.sub.4 or p-diphenylene radical, and Z denotes a chlorine or bromine atom,are provided.

    摘要翻译： 具有改进的阻燃性的热塑性芳族聚碳酸酯模塑组合物，其包含有机或无机酸的碱金属盐和任选的全氟乙烯，其特征在于它们含有通式（I）或（II）的四卤代邻苯二甲酰亚胺或其混合物。 其中R表示氢原子或C1至C4烷基，C6H5，C10H7，C6H4X，C6H3X2或C6H2X3基团，其中X表示氟，氯或溴原子，R'表示单键或C2至C4亚烷基， C6H4或对二亚苯基，Z表示氯或溴原子。

    Process for the preparation of polyarylene sulphides
    9.
    发明授权
    Process for the preparation of polyarylene sulphides 失效
    聚亚芳基硫醚的制备方法

    公开(公告)号：US4362864A

    公开(公告)日：1982-12-07

    申请号：US263421

    申请日：1981-05-14

    申请人： Karsten Idel ,  Dieter Freitag ,  Ludwig Bottenbruch ,  Josef Merten

    发明人： Karsten Idel ,  Dieter Freitag ,  Ludwig Bottenbruch ,  Josef Merten

    IPC分类号： C08G75/02 ,  C08G75/06 ,  C08L81/02 ,  C08G75/14

    CPC分类号： C08G75/0254 ,  C08G75/0231

    摘要： A process for preparing a polyarylene sulphide which comprises reacting(a) dihalogenobenzene consisting of 50 to 100 mol % of a compound of the formula ##STR1## or a compound of the formula ##STR2## or a mixture thereof and of 0 to 50 mol % of a compound of the formula ##STR3## wherein X is halogen and each R is selected from the group consisting of hydrogen, alkyl having 1 to 20 carbon atoms, cycloalkyl having 5 to 20 carbon atoms, aryl having 6 to 24 carbon atoms, alkaryl having 7 to 24 carbon atoms and aralkyl having 7 to 24 carbon atoms with the proviso that at least one R is other than hydrogen and(b) 0 to 3.0 mol % based on the dihalogenobenzene content of a polyhalogeno aromatic of the formulaArX.sub.n (IV) wherein Ar is an aromatic or heterocyclic radical with 6 to 24 carbon atoms having at least 3 free valencies, X is halogen and n is .gtoreq. 3 with(c) an alkyl metal sulphide in(d) a polar solvent in the presence of(e) 0.05-2.0 mol of alkali metal fluoride per mol of alkali metal sulphide,for a polycondensation time of up to 30 hours and at a polycondensation temperature of between 160.degree. and 295.degree. C., the molar ratio of (a) to (c) being in the range from 0.85:1 to 1.15:1 and the molar ratio of (c) to (d) being in the range of from 1:2 to 1:15.

    摘要翻译： 一种制备聚亚芳基硫醚的方法，其包括使（a）由50至100mol％的式（I）化合物或式IIa化合物或其混合物组成的二卤代苯和 0至50摩尔％的式（III）化合物，其中X为卤素且每个R选自氢，具有1至20个碳原子的烷基，具有5至20个碳原子的环烷基， 具有6至24个碳原子的芳基，具有7至24个碳原子的烷芳基和具有7至24个碳原子的芳烷基，条件是至少一个R不是氢，和（b）基于二卤代苯含量为0-3.0mol％ 式ArXn（IV）的多卤代芳族化合物，其中Ar是具有至少3个自由价的6至24个碳原子的芳族或杂环基，X是卤素，n是≥3，（c）烷基金属硫化物 （d）在（e）0.05-2.0mol碱金属氟化物存在下，每摩尔的极性溶剂 碱金属硫化物，缩聚时间长达30小时，缩聚温度在160〜295℃之间，（a）与（c）的摩尔比在0.85:1-1.15:1的范围内， 1和（c）至（d）的摩尔比在1:2至1:15的范围内。