酚醛

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、丁吡四种胶乳改性酚。

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.

结果表明热固性酚的固化过程,首先是羟基发生缩反应,缩反应形成醚键是主要的。

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 .

苯酚在碱性条件下经加成、缩制得可发性酚，该表面活性剂、发泡剂、固化剂一起发泡即得酚泡沫塑料。

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.

苯醚型酚是铸造用聚氨酯粘剂的主要成份之一,它的结构及成工艺条件决定了该类粘剂性能。

The presence of inauthentic Bakelite out there led to an early 20th century version of the "Intel In-side" logo.

从那儿开始的假冒酚塑料的出现引出了20世纪早期的“IntelInside”商标形式。

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

本文研究了用酚化木材制备酚的技术,并对其性能进行分析。

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

概述了酚基活性炭的制备方法、性能及其应用进展主要研究方向。