纸质酚醛树脂基复合材料阻燃的研究

On Combustion-Resistant Composites Made of Paper Film and Phenolic Resin

优质的阻燃材料在迅猛发展的建筑工业中需求量颇大，因而纸质树脂基蜂窝夹芯结构复合材料的阻燃问题就成了人们十分关注的问题．而这方面的文献报道很少．为了解决上述阻燃问题，作者对这种阻燃蜂窝夹芯结构复合材料进行了研［１］．通过大量实验研究的主要成果简述如下：（１）催化剂的选择．两种含有结晶水的氧化物为催化剂．这两种氧化物能催化酚醛缩聚反应分别生成Ａ１和Ａ２树脂．原来制备的酚难树脂的氧指数大约只有２８［２］，但Ａ１和Ａ２酚醛树脂氧指数可以高达４１［３］．（２）对纸进行适当的化学处理．由未处理的纸Ａ１或Ａ２酚醛树脂制成的复合材料具有同Ａ１或Ａ２酚醛树脂相同的氧指数．通过对纸进行适当的化学处理，由经处理的纸Ａ１或Ａ２酚醛树脂制成的复合材料的氧指数能从４１增至约８５．这种化学处理方法是使纸在一种含有磷和氮的聚合物溶液浸润．由经处理过的纸Ａ１或Ａ２酚醛树脂制成的阻燃复合材料在建筑工业中的应用证明是成功的，它具年Ｒ又高的装饰价值，并且价格低廉，安全可靠．

Good fireproofing material is in great demand as huge volume of building construction is now proceeding at full speed in China. Honeycomb composites made of paper film and phenolic resin need to becombustion resistant. Having failed to obtain published data,the authors themselves study how to makesuch composites combustion-resistant. The two main results of the authors' large amount of experimentalresearch are brieny summarized in this paper as follows:(1)Selection of catalyst.Two kinds of oxides containing...