The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.

扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。

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The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.

扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。

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