• A saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.

    催化剂支化存在多元多元直接熔融酯化、常压缩聚合成饱和羟基聚酯

    youdao

  • A saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.

    催化剂支化存在多元多元直接熔融酯化、常压缩聚合成饱和羟基聚酯

    youdao

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