Polyarylene thiother composition
    4.
    发明授权
    Polyarylene thiother composition 失效
    聚亚芳基硫醇组成

    公开(公告)号:US4820759A

    公开(公告)日:1989-04-11

    申请号:US95620

    申请日:1987-09-04

    摘要: A polyarylene thioether composition comprising (1) 100 parts by weight of a polyarylene thioether (A) having an average particle size of spherulites of not more than 2 .mu.m, formed upon crystallization of the molten polymer at 250.degree. C., obtained by treating a polyarylene thioether having a repeating unit of ##STR1## as the main constituent and an inherent solution viscosity, which is measured at 206.degree. C. in 1-chloronaphthalene at a polymer concentration of 0.4 g/100 ml solution, of 0.30 to 0.90 dl/g with an aqueous solution of non-oxidative strong acid or non-oxidative strong-acid-weak-base type salt; and (2) 11 to 800 parts by weight of a polyarylene thioether (B) having a necessary time for 50% crystallization of not more than 50 seconds upon crystallization of the molten polymer at 250.degree. C. obtained by treating a polyarylene thioether having a repeating unit of ##STR2## as the main constituent and an inherent solution viscosity, which is measured at 206.degree. C. in 1-chloronaphthalene at a polymer concentration of 0.4 g/100 ml solution, of 0.05 to 0.25 dl/g with an aqueous solution of non-oxidative strong acid or non-oxidative strong-acid-weak-base type salt, is disclosed.

    摘要翻译: 一种聚亚芳基硫醚组合物,其包含(1)在250℃下熔融聚合物结晶时形成的平均粒径为2μm以下的聚亚芳基硫醚(A)100重量份, 具有作为主要成分的重复单元的聚亚芳基硫醚和在聚合物浓度为0.4g / 100ml的溶液中在206℃下在206℃下测量的固有溶液粘度为0.30至0.90dl / g与非氧化强酸或非氧化强酸弱碱型盐的水溶液; 和(2)在250℃下熔融聚合物结晶后,需要时间达50%以上的聚亚芳基硫醚(B)11〜800重量份,通过处理具有 以“IMAGE”作为主要成分的重复单元,在聚合物浓度为0.4g / 100ml的溶液中,在206℃下在1-氯萘中测定的固有溶液粘度为0.05〜0.25dl / g,水溶液 公开了非氧化强酸或非氧化强酸弱碱型盐的溶液。

    Transparent and little colored polyarylenethioether primary melt
molding, preparation and utilization thereof
    8.
    发明授权
    Transparent and little colored polyarylenethioether primary melt molding, preparation and utilization thereof 失效
    透明和少许的聚芳醚乙醚一次熔融成型,其制备和利用

    公开(公告)号:US4801416A

    公开(公告)日:1989-01-31

    申请号:US924346

    申请日:1986-10-24

    摘要: A polyarylenethioether primary melt formed article having a Hunter whiteness higher than 30% and a parallel light transmittance Tp higher than 60%, as measured for a sheet with a thickness of 0.3 mm, at the process for obtaining the article which comprises producing a polyarylenethioether according to the polymerization reaction comprising a dehalogenation/sulfidization reaction between an alkali metal sulfide and a dihaloaromatic compound in a polar organic solvent by carrying out the reaction with the addition of an effective amount of a halo-substituted organic compound to obtain a stabilized polyarylenethioether, and then subjecting the polyarylenethioether to melt extrusion. The melt formed article thus produced can be subjected to further melt processing to produce a secondary melt formed article or structure of polyarylenethioether.

    摘要翻译: 在获得该制品的方法中,对厚度为0.3mm的片材测量的具有Hunter白度高于30%的Hunter白度高于60%的平均光透射率Tp的聚亚芳基硫醚一次熔融成型制品包括制备聚亚芳基醚, 涉及在极性有机溶剂中包含碱金属硫化物和二卤代芳族化合物在极性有机溶剂中的脱卤/硫化反应的聚合反应,通过加入有效量的卤代有机化合物进行反应,得到稳定的聚亚芳基醚醚,和 然后使聚芳醚乙醚熔融挤出。 如此制造的熔融成形体可以进行进一步的熔融加工以产生二亚乙烯硫醚的二次熔融成形制品或结构。