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

采丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性。

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

概述了基活性炭的制备方法、性能及其应进展和主要研究方向。

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.

苯醚型造聚氨酯粘合剂的主要成份之一,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 .

苯与甲在碱性条件下经加成、缩合制得可发性，该和表面活性剂、发泡剂、固化剂一起发泡即得泡沫塑料。