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48 条记录 (耗时 0.028 秒)

    Process for the preparation of polyarylene sulphides
    35.
    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：US4303781A

    公开(公告)日：1981-12-01

    申请号：US171304

    申请日：1980-07-23

    申请人： Karsten Idel ,  Josef Merten

    发明人： Karsten Idel ,  Josef Merten

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

    CPC分类号： C08G75/0231 ,  C08G75/0254

    摘要： Preparation of a polyarylene sulphide by polycondensing a substituted p-dihalogenobenzene and optionally a polyhalogeno aromatic compound having at least three halo substituents with an alkali metal sulphide in a polar solvent in the presence of a catalytic amount of a tri-alkali metal phosphate.

    摘要翻译： 通过在极性溶剂中在催化量的三碱金属磷酸盐存在下，将取代的对二卤代苯和任选具有至少三个卤素取代基的多卤代芳族化合物与碱金属硫化物缩聚，制备聚芳硫醚。

    Thermoplastic blends containing polycarbonates based on substituted cyclohexylidenebisphenols
    37.
    发明授权
    Thermoplastic blends containing polycarbonates based on substituted cyclohexylidenebisphenols 失效
    含有基于取代的亚环己基双酚的聚碳酸酯的热塑性共混物

    公开(公告)号：US5034457A

    公开(公告)日：1991-07-23

    申请号：US489399

    申请日：1990-03-06

    申请人： Volker Serini ,  Dieter Freitag ,  Karsten Idel ,  Ulrich Grigo

    发明人： Volker Serini ,  Dieter Freitag ,  Karsten Idel ,  Ulrich Grigo

    IPC分类号： C08L21/00 ,  C08G64/00 ,  C08G64/06 ,  C08G64/10 ,  C08L51/00 ,  C08L69/00 ,  C08L101/00

    CPC分类号： C08L69/00 ,  C08G64/06 ,  C08L101/00

    摘要： Thermoplastic blends ofA) 1 to 99% by weight of at least one thermoplastic aromatic polycarbonate which contains difunctional carbonate structural units of the formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are hydrogen, a C.sub.1 -C.sub.12 -hydrocarbon radical or halogen and R.sup.5, R.sup.6 and R.sup.7 independently of one another are H or a hydrocarbon radical, with the proviso that at least one of the radicals R.sup.5, R.sup.6 and R.sup.7 is a hydrocarbon radical, that when only one of the radicals R.sup.5, R.sup.6 or R.sup.7 is present as a hydrocarbon radical this is a C.sub.3 -C.sub.12 -hydrocarbon radical with the exception of C.sub.3 -C.sub.12 -n-alkyl, and that when two or three radicals R.sup.5, R.sup.6 and R.sup.7 are present as hydrocarbon radicals these are any C.sub.1 -C.sub.12 -hydrocarbon radicals,in amounts of 100 to 1 mol %, relative to the total amount of difunctional carbonate structural units in the polycarbonate, 1 to 99% of another polymer.

    摘要翻译： A）1至99重量％的至少一种热塑性芳族聚碳酸酯的热塑性共混物，其包含式（I）的双官能碳酸酯结构单元，其中R 1，R 2，R 3和R 4彼此独立地为 氢，C 1 -C 12烃基或卤素，R 5，R 6和R 7彼此独立地是H或烃基，条件是基团R 5，R 6和R 7中的至少一个是烃基， 基团R 5，R 6或R 7中仅有一个作为烃基存在，这是C 3 -C 12 - 烃基，但C 3 -C 12 - 正烷基除外，当两个或三个基团R 5，R 6和R 7为 作为烃基存在，这些是相对于聚碳酸酯中的双官能碳酸酯结构单元的总量为100至1mol％的任何C 1 -C 12烃基，1至99％的另一种聚合物。

    Process for the preparation of high molecular weight, optionally branched polyarylene sulphide with monomercaptan compound
    40.
    发明授权
    Process for the preparation of high molecular weight, optionally branched polyarylene sulphide with monomercaptan compound 失效
    用单体硫醇化合物制备高分子量，任意支化的聚亚芳基硫醚的方法

    公开(公告)号：US4760128A

    公开(公告)日：1988-07-26

    申请号：US893779

    申请日：1986-08-06

    申请人： Wolfgang Ebert ,  Karsten Idel ,  Rudiger Schubart

    发明人： Wolfgang Ebert ,  Karsten Idel ,  Rudiger Schubart

    IPC分类号： C08G75/0231 ,  C08G75/0254 ,  C08G75/0277 ,  C08G75/06 ,  C08G75/16

    CPC分类号： C08G75/0231 ,  C08G75/0254 ,  C08G75/0277

    摘要： The invention relates to a process for the preparation of high molecular weight, optionally branched polyarylene sulphides with melt viscosities which can be adjusted within a defined range, a high stability of the melt and low corrosion.These polyarylene sulphides are obtained by reacting alkali metal sulphides, if appropriate mixed with alkali metal bisulphides and reaction accelerators, with dihalogenoaromatics and, if appropriate, polyhalogenoaromatics, with the addition of particular monomercapto compounds.

    摘要翻译： 本发明涉及制备具有熔体粘度的高分子量，任选支化的聚亚芳基硫醚的方法，其可在一定范围内调节，熔体的高稳定性和低腐蚀性。 这些聚亚芳基硫化物是通过使碱金属硫化物（如果合适的话）与碱金属二硫化物和反应促进剂混合，与二卤代芳族化合物反应，如果合适的话，通过加入特定的单体巯基化合物反应而得到。