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1·Polyphenylene oxide was successfully added to phenolic resin during the syn- thesis process by using a modifying agent XPY, and a new modified environmental phenolic plastic was made.

使用一种改性剂XPY，在酚醛树脂的合成过程中成功引入了聚苯醚，制得了一种新的改性环保型酚醛塑料。

2·The phenolic foam plastic is prepared by foaming of synthetic high active phenolic resin.

合成高活性酚醛树脂，用它发泡制备酚醛泡沫塑料。

3·It can be used with phenolic antioxidants and its use include plastic, rubber and elastomer, nylon, polystyrene, etc.

它可与酚类抗氧剂并用，其使用范围包括塑料、橡胶制品及弹性体、尼龙、聚苯乙烯等。

4·The granular thermo-plastic phenolic resin produced by suspension polymerization could replace the imports.

悬浮法生产的粒状热塑性酚醛树脂可以取代进口树脂。