摘要
采用甲基三甲氧基硅烷(MTMS)为改性剂,通过酯交换方式制备出有机硅酚醛树脂(SPF),并用傅里叶变换红外光谱分析、热重分析、力学性能测试等表征方法对SPF进行测定。结果表明:MTMS被成功引入SPF树脂结构中,且SPF耐热性能优良,受热质量损失10%时温度为462℃,较普通酚醛树脂(PF)的温度提高了90℃。与以PF为结合剂的超硬磨具相比,以SPF为结合剂制造的超硬磨具的力学性能明显提高,磨削比提高了51.1%;同时,后者的弯曲强度和冲击强度较前者的分别提高了14.2%和5.7%。
A silicone phenolic resin(SPF)was synthesized by transesterification using methyltrimethoxysilane(MTMS)as a modifier.The SPF was determined by FTIR analysis,TGA analysis,mechanical property test and other characterization methods.The results show that MTMS is successfully introduced into the structure of the resin;the resin has excellent heat-resistance,whose temperature at weight loss 10%is 462℃,90℃higher than that of ordinary phenolic resin(PF);the mechanical performance is obviously improved and the grinding ratio of superhard abrasive tools with SPF as resin binder is 51.1%higher than that of superhard abrasive tools with PF as resin binder.Meanwhile,the bending strength and impact strength of superhard abrasive tools with SPF as resin binder are 14.2%and 5.7%higher than that of another one,respectively.
作者
袁天顺
简亚溜
邹文俊
彭进
宋旭东
刘鹏展
YUAN Tianshun;JIAN Yaliu;ZOU Wenjun;PENG Jin;SONG Xudong;LIU Pengzhan(School of Material Science and Engineering, Henan University of Technology, Zhengzhou 450000, China;Metastable Materials Science and Technology State Key Laboratory, Yanshan University, Qinhuangdao 066004, Hebei, China)
出处
《金刚石与磨料磨具工程》
CAS
北大核心
2020年第2期32-35,共4页
Diamond & Abrasives Engineering
关键词
硅酚醛树脂
超硬磨具
热稳定性
磨削比
silicon phenolic resin
superhard abrasive tools
thermal stability
grinding ratio
