Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用腈、羧基腈、、吡四种胶乳改性酚醛树脂。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概述了酚醛树脂基活性炭的制备方法、性能及其应用进展和主究方向。

The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed.

本文究了用酚化木材制备酚醛树脂的技术,并对其性能进行分析。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

醚型酚醛树脂是铸造用聚氨酯粘合剂的主之一,它的结构及合工艺条件决定了该类粘合剂性能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

酚与甲醛在碱性条件下经加、缩合制得可发性酚醛树脂，该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。

It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.

结果表明热固性酚醛树脂的固化过程,首先是羟甲基发生缩合反应,缩合反应形醚键是主的。