Curable,solid polymers based on cycloaliphatic polyepoxides and a method for the preparation thereof
    3.
    发明授权
    Curable,solid polymers based on cycloaliphatic polyepoxides and a method for the preparation thereof 失效
    可固化的固体聚合物基于环己基多羟基氧化物及其制备方法

    公开(公告)号:US3704268A

    公开(公告)日:1972-11-28

    申请号:US3704268D

    申请日:1970-04-13

    CPC classification number: C08G59/24 C08G59/58

    Abstract: THIS INVENTION RELATES TO CURABLE, SOLID POLYMERS, BASED ON CYCLOALIPHATIC POLYPEROXIDES, AND TO A METHOD FOR THE PREPARATION THEREOF BY REACTING A LIQUID CYCLOALIPHATIC POLYEPOXIDE WITH A POLYFUNCTIONAL, ACIDIC CO-REACTANT HAVING A PKA VALUE OF LESS THAN ABOUT 8, SUCH AS POLYCARBOXYLIC ACID OR A POLYHYDRIC PHENOL, IN A REACTION MEDIUM CONTAINING A TERTIARY AMINE. THE CURABLE, SOLID POLYMERS OF THIS INVENTION CAN BE USED IN MOLDING, COATING AND LAMINATING APPLICATIONS AND CURED TO INFUSIBLE PRODUCTS CHARACTERIZED BY EXCELLENT PROPERTIES SUCH AS ELECTRICAL PROPERTIES.

    10.
    发明专利
    未知

    公开(公告)号:DE2853789A1

    公开(公告)日:1979-06-21

    申请号:DE2853789

    申请日:1978-12-13

    Abstract: Particulate, solid, heat-reactive, filler-containing resole molding compositions are directly produced by reacting a phenol, formaldehyde, and an amine in an aqueous medium containing a water-insoluble filler material having reactive sites on the surface thereof which chemically bond with a phenolic resin and protective colloid to produce an aqueous suspension of a particulate filler-containing resole, and recovering the filler-containing resole from said suspension.

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