萘酚改性酚醛树脂复合材料的研究  

Study on Naphthol Modified Phenolic Resins

作　　者：吴江涛[1] 齐暑华[1] 李春华[1] 李美玲[1] 

机构地区：[1]西北工业大学理学院应用化学系,陕西西安710129

出　　处：《中国塑料》2011年第4期50-54,共5页China Plastics

摘　　要：采用萘酚对酚醛树脂进行改性,成功合成了环保型萘酚改性酚醛树脂。采用傅里叶红外光谱、热失重等方法对萘酚改性酚醛树脂的结构和耐热性进行了研究,并通过Kissinger法和Flynn-Wall-Ozawa法对其热分解动力学参数进行了计算。结果表明,萘酚改性酚醛树脂的热分解过程分为2个阶段,萘酚改性后酚醛树脂的耐热性提高;当萘酚的质量分数为10%时,萘酚改性酚醛树脂的综合性能最好,拉伸强度、弯曲强度和冲击强度分别提高了2.46倍、1.62倍和1.34倍,体积电阻率和表面电阻率均达到1014数量级。Phenolic resin was modified with naphthol forming an environmentally friendly material. The structure and heat resistance of naphthol midified phenolic resin were studied using Fourier transform infrared spectroscopy and thermogravimetry, and the kinetic parameters of thermal degradation were calculated with Kissinger and Flynn Wall-Ozawa methods. The thermal degradation of naphthol modified phenolic resin could be divided into two stages. The modification with naphthol improved the heat resistance of phenolic resin. When the mass fraction of naphthol was 10%, the tensile, flexural and impact strengths increased by 2. 46, 1.62 and 1.34 times based on neat phenolic resin, respectively. Meanwhile, the volume and surface resistances reached orders of 10^14.

关 键 词：萘酚 酚醛树脂 改性 热分解动力学 耐热性 

分 类 号：TQ323.1[化学工程—合成树脂塑料工业]