Unsaturated polyesters and compositions based thereon
    4.
    发明授权
    Unsaturated polyesters and compositions based thereon 失效
    不饱和聚酯及其组合物

    公开(公告)号:US3923928A

    公开(公告)日:1975-12-02

    申请号:US32818973

    申请日:1973-01-31

    CPC classification number: C08G63/52 C08K3/20 C08K3/22 C08L67/06

    Abstract: The disclosure of this application is directed to unsaturated polyesters which are the condensation reaction products of a mixture of an unsaturated dicarboxylic acid or anhydride thereof, ethylene glycol and diethylene glycol; and to compositions based thereon which have particular utility in sheet molding and bulk molding applications to form thermoset articles of desired configuration.

    Abstract translation: 本申请的公开涉及不饱和聚酯,其是不饱和二羧酸或其酸酐,乙二醇和二甘醇的混合物的缩合反应产物; 以及基于其的组合物,其在片材成型和批量成型应用中具有特别的用途,以形成具有所需构型的热固性制品。

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