亚麻油改性酚醛树脂制备及其耐热性能  

Preparation and heat-resistant characterization of phenolic resin modified by linseed oil

作　　者：袁新华[1] 邵美秀[1] 陈敏[2] 张燕[2] 汪建敏[1] 

机构地区：[1]江苏大学材料科学与工程学院,江苏镇江212013 [2]江苏大学化学与化工学院,江苏镇江212013

出　　处：《江苏大学学报（自然科学版）》2006年第3期234-236,共3页Journal of Jiangsu University：Natural Science Edition

基　　金：浙江省重大科技攻关项目(2003C11018);江苏省"青蓝工程"优秀青年骨干教师项目

摘　　要：利用亚麻油改性酚醛树脂（PF），得到高性能的摩阻材料用树脂基体．综合热分析结果显示改性PF在320～600℃间失重53．11％，普通PF失重73．51％；普通PF热分解峰为400～425℃和540～600℃，而亚麻油改性PF热分解峰为440～470℃和600～660℃，表明亚麻油改性PF的耐热性和热稳定性能均得到很大提高．推导了亚麻油的改性机理和改性PF的结构特征；发现亚麻油参与反应并成为聚合物结构的一部分，亚麻油改性PF固化后的结构特征是互穿聚合物网络（IPN）．To obtain resin matrix of friction material with high-quality, linseed oil was used to modify phenolic resin. TG-DSC analysis shows that modified PF loses 53.11% weight between 320～600℃, while common PF loses 73.51% weight. The thermal-decomposed peaks of common PF are 400～425℃ and 540～600℃, while those for modified PF are 440～470℃ and 600～660℃, which means that the heat-resistance and heat-stability of linseed oil-modified PF is superior to pure phenolic resin. The modification mechanism and the structure characteristic were reckoned. The results show that linseed oil reacts with phenol and becomes a portion of PF structure, and the structure characteristic of modified resin after curing is INP.

关 键 词：聚合物 酚醛树脂 亚麻油 改性 摩阻材料 耐热性能 

分 类 号：TH117.2[机械工程—机械设计及理论] TQ323.1[化学工程—合成树脂塑料工业]