IMPROVEMENT FOR PROCESSES FOR PREPARING DIARYL SULFONES
    211.
    发明申请
    IMPROVEMENT FOR PROCESSES FOR PREPARING DIARYL SULFONES 审中-公开
    改进制备DIARYL SULFONES的方法

    公开(公告)号:WO1988001617A1

    公开(公告)日:1988-03-10

    申请号:PCT/US1987002221

    申请日:1987-09-02

    CPC classification number: C07C317/00

    Abstract: An improvement in processes for preparing diaryl sulfones comprising adding a limited amount of water to the reaction product mixture of such processes to form a heavier aqueous phase containing unreacted monosubstituted benzene sulfonic acid with less than an equal amount of water, separating the aqueous phase, and dehydrating the aqueous phase to recover the unreacted sulfonic acid for forming additional diaryl sulfone.

    Abstract translation: 制备二芳基砜的方法的改进包括向这种方法的反应产物混合物中加入有限量的水以形成较重的水相,其含有未反应的单取代的苯磺酸与小于等量的水,分离水相,和 使水相脱水以回收未反应的磺酸以形成另外的二芳基砜。

    LAMINATES CONTAINING COEXTRUDED SCRAP
    212.
    发明申请
    LAMINATES CONTAINING COEXTRUDED SCRAP 审中-公开
    包含切片的层压板

    公开(公告)号:WO1987005853A1

    公开(公告)日:1987-10-08

    申请号:PCT/US1987000653

    申请日:1987-03-23

    Abstract: A continuous plastic laminate having improved stiffness at use temperature, comprising at least three melt coextruded sheets, each comprising a thermoplastic polymer or polymer blend, the outside sheets having a higher stiffness at use temperature than at least one inside sheet, wherein said continuous laminate contains laminate scrap derived from the production of said laminate, said scrap being incorporated therein by melt coextruding said scrap as at least one additional discrete inside layer or by melt coextruding said scrap as part of at least one of said melt coextruded sheets, whereby the stiffness at use temperature of said scrap-containing laminate is increased relative to a plastic laminate identical thereto except for the incorporation of said scrap, and wherein said thermoplastic polymer or polymer blend comprises a polyarylether sulfone, a poly(aryl ether), a polyarylate, a polyetherimide, a polyester, an aromatic polycarbonate, a styrene resin, a poly(alkyl acrylate), a polyhydroxyether, a polyamide, a poly(arylene sulfide), a crystalline polyolefin, a polyphenylene oxide, or blends thereof.

    Abstract translation: 一种连续的塑料层压板,其在使用温度下具有改善的刚度,包括至少三个熔融共挤出片材,每个包含热塑性聚合物或聚合物共混物,所述外部片材在使用温度下具有比至少一个内部片材更高的刚度,其中所述连续层压材料包含 来自所述层压体的生产的层压废料,所述废料通过熔融共挤出所述废料作为至少一个另外的离散内层,或者通过熔融共挤出所述废料作为至少一个所述熔融共挤出片材的一部分而被引入其中, 所述含废料的层压体的使用温度相对于除了所述废料的并入之外的与其相同的塑料层压板的增加,并且其中所述热塑性聚合物或聚合物共混物包含聚芳醚砜,聚(芳基醚),多芳基化合物,聚醚酰亚胺 ,聚酯,芳族聚碳酸酯,苯乙烯树脂,聚(丙烯酸烷基酯),ap 聚羟基醚,聚酰胺,聚(亚芳基硫醚),结晶聚烯烃,聚苯醚或其共混物。

    COFORMED CATALYST AND PROCESS OF USE
    214.
    发明申请
    COFORMED CATALYST AND PROCESS OF USE 审中-公开
    合成催化剂和使用方法

    公开(公告)号:WO1986000299A1

    公开(公告)日:1986-01-16

    申请号:PCT/US1985001137

    申请日:1985-06-25

    CPC classification number: B01J23/02 C07C51/353 C07C57/04

    Abstract: Method of producing a coformed catalyst suitable for use in the aldol-type condensation of saturated aliphatic monocarboxylic acid compound and formaldehyde compound comprising at least one cation of a Group I or Group II metal and silica support, comprising gelling an aqueous composition comprising silica colloid and at least one cation of a Group I or Group II metal, drying the composition and calcining.

    Abstract translation: 制备适用于饱和脂肪族单羧酸化合物和包含至少一种I族或II族金属和二氧化硅载体的阳离子的醛醇缩合的共成型催化剂的方法,其包括将包含二氧化硅胶体和 至少一种I族或II族金属的阳离子,干燥组合物并煅烧。

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