水下界面膠-水下封口膠廠家
2020-06-02
環(huan)(huan)氧(yang)(yang)樹脂通過不(bu)同的水(shui)(shui)(shui)(shui)性(xing)化途徑可形成三種水(shui)(shui)(shui)(shui)分(fen)散形態:①水(shui)(shui)(shui)(shui)溶性(xing);②膠束分(fen)散型(xing);③乳(ru)液(ye)。 環(huan)(huan)氧(yang)(yang)樹脂自(zi)身為(wei)熱塑性(xing)的線型(xing)結(jie)構,受熱后固(gu)(gu)態變為(wei)液(ye)態,高粘度(du)變為(wei)低粘度(du),只有與固(gu)(gu)化劑配合(he)使用才具有實用價(jia)值 (純(chun)正的單組分(fen)水(shui)(shui)(shui)(shui)性(xing)環(huan)(huan)氧(yang)(yang)體(ti)系也需加入潛伏型(xing)固(gu)(gu)化劑)。因此水(shui)(shui)(shui)(shui)性(xing)環(huan)(huan)氧(yang)(yang)體(ti)系應(ying)包(bao)含(han)水(shui)(shui)(shui)(shui)性(xing)環(huan)(huan)氧(yang)(yang)樹脂和水(shui)(shui)(shui)(shui)性(xing)環(huan)(huan)氧(yang)(yang)固(gu)(gu)化劑,同樣,它...