摘要
采用手糊成型室温固化的方法制备纳米SiO2/玻璃纤维(GF)布混杂增强不饱和聚酯树脂(UPR)复合材料,并对UPR复合材料的摩擦学性能和力学性能进行了研究。结果表明,加入纳米SiO2和GF布能大幅提高复合材料的摩擦学性能和力学性能。当复合材料中纳米SiO2含量分别为0.5%(质量分数,下同)和1%时,复合材料的耐磨性分别是纯UPR的5.3倍和3.1倍,拉伸强度是纯UPR的5.8倍和5.1倍,弯曲强度是纯UPR的3.9倍和3.2倍左右。在实验条件下,以含量为0.5%纳米SiO2和GF布混杂填充UPR复合材料的改性效果最好。扫描电镜分析表明,纯UPR的磨损机理是黏着磨损,复合材料磨损机理主要表现为黏着磨损和磨粒磨损。
Composites of UPR/nano-SiO2/glass fibers（GF） cloth were prepared via nana lap-up anu room temperature curing, whose tribological behavior and mechanical property were studied. It showed that nano-SiOz and GF cloth considerably improved the tribological and mechanical properties of UPR. When the content of nano-SiOz was 0. 5 % to 1% based on UPR, the wear property, tensile strength, and bending strength increased by 5. 3～3. 1, 5. 8～5. 1, and 3. 9～ 3.2 times, respectively. SEM indicated that the worn surfaces of UPR were adhesive wear, while the main wear mechanism of the composites was adhesive was and abrasive wear.
出处
《中国塑料》
CAS
CSCD
北大核心
2013年第1期57-61,共5页
China Plastics
基金
江苏农业局农机基金项目(GXZ11001)
关键词
不饱和聚酯树脂
纳米二氧化硅
复合材料
摩擦学性能
力学性能
unsaturated polyester resin
nano-silicon oxide
composite
tribological property
me-chanical property
