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

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性醛树脂。

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

概述了醛树脂基活性炭的方法、性能及其应用进要究方向。

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

本文究了用化木材醛树脂的技术,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.

苯醚型醛树脂是铸造用聚氨酯粘合剂的要成份之一,它的结构及合成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 .

苯与甲醛在碱性条件下经加成、缩合得可发性醛树脂，该树脂表面活性剂、发泡剂、固化剂一起发泡即得醛泡沫塑料。

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,缩合反应形成醚键是要的。