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汉语拼音：suō jù fǎn yìng

具有两个或两个以上官能团的单体分子相互间发生缩合生成聚合物同时析出小分子副产物的反应。如甲醛与苯酚发生缩聚反应生成苯酚甲醛树脂，同时析出水分子。

• and adding a polycondensation catalyst into the reaction system, and carrying out a polycondensation reaction in vacuum to obtain a product.

  再向上述反应体系中加入缩聚催化剂，真空进行缩聚反应，得到产物。

• Their gelation points were predicted and ESCA was used to detect the reaction variable of the polycondensations.

  对其凝胶点进行预测并用能谱分析监测缩聚反应进行的程度。

• The methyl phenyl silicone resin for heat resistant coatings was prepared by converse hydrolysis-polycondensation of chlorosilane.

  采用逆水解法进行氯硅烷水解—缩聚反应，制备了适用于耐高温涂料的甲基苯基硅树脂。

• The shaft seal leakage, judgement and emergency measures of the final polycondensation reactor was introduced.

  介绍了终缩聚反应器轴封泄漏的现象、判断和应急措施。

• This was main cause of polycondensation reaction between phosphoric acid and lignin.

  磷酸与木质素发生缩聚反应是变色的主要原因。

• A thermosetting resin made by a condensation reaction of a melamine derivative, trimethylolmelamine, C3N3(NHCH2OH)3, with formaldehyde.

  蜜胺衍生物三羟甲基蜜胺C3N3（NHCH2OH）3与甲醛的缩聚反应制得的热固性树脂。

• On the acid catalysts indan mainly condenses to form polyaromatics or proceeds five member ring opening reactions.

  茚满在沸石分子筛上的主要反应是开环反应和缩聚反应。

• The reaction character of melamine not only reacts with formaldehyde but also copolymerizes with urea and formaldehyde.

  三聚氰胺的改性作用在于，它不仅能与甲醛反应，而且能与尿素甲醛发生共缩聚反应；

• Curing Theory of Af - Ag Type Polycondensation Involving Initiation Mechanism -The Invariant Property of the Number Fraction Distribution

  含引发机制的Af-Ag型缩聚反应固化理论-数量分布函数的不变性