摘要
采用硅烷偶联剂(KH550)对纳米二氧化钛(TiO_2)进行表面改性,测试了改性前后纳米TiO_2在紫外线照射下对低密度聚乙烯(LDPE)薄膜的光催化降解效率。结果表明,硅烷偶联剂成功地改善了纳米TiO_2的表面,而没有改变其晶体结构;机械性能测试结果显示,改性后的纳米TiO_2提高了复合薄膜材料的断裂伸长率;电子扫描显微镜(SEM)观察结果表明,硅烷偶联剂改性提高了纳米TiO_2在LDPE中的分散性,提高了光催化降解效率。
The surface of nano-titanium dioxide （TiO2 ） was modified by silane coupling agent KH550,and the photocatalytic degradation efficiency of TiO2/low density polyethylene （LDPE） film under UV-lightirradiation was tested. The results show that silane coupling agent can improve the surface of nano TiO2 , themodified nano-TiO2 improves the tensile elongation at break of the composite film, and the dispersion andphotocatalytic de
出处
《塑料工业》
CAS
CSCD
北大核心
2016年第6期8-11,16,共5页
China Plastics Industry
关键词
二氧化钛
低密度聚乙烯
光催化降解
表面改性
gradation efficiency of nano-TiO2 in LDPE are improved by silane coupling agentTitanium Dioxide
LowSurface ModificationDensity Polyethylene
Photocatalytic Degradation
