纳米TiO_2自清洁溶胶的制备及其性能  

Preparation and properties of self-cleaning nano-TiO_2 sol

作　　者：苟喆 孟家光[1] 张琳玫[1] 章悦 

机构地区：[1]西安工程大学纺织与材料学院,陕西西安710048 [2]龙游县职业技术学校,浙江衢州324400

出　　处：《纺织学报》2016年第3期98-103,共6页Journal of Textile Research

基　　金：陕西省重点学科建设专项资金项目(陕[2008]169)

摘　　要：为使羊绒织物具有自清洁的性能,以钛酸四丁酯为原料,采用溶胶-凝胶法制取纳米Ti O2溶胶。以凝胶时间作为评价指标,通过对钛酸四丁酯、水、冰醋酸、无水乙醇及三乙醇胺的单因素分析,确定了反应物的配比范围,经过正交试验和优化分析确定了最佳配比,从而得到最佳制备工艺参数;Ti O2溶胶含固量、纳米溶胶粒度、红外光谱测定结果表明纳米Ti O2广泛存在。对经过Ti O2溶胶整理后羊绒针织物的自清洁效果进行测试,结果表明:自然光照射48 h,经Ti O2溶胶为80%的整理剂整理后,羊绒针织物可以将油渍完全分解,达到自清洁效果。Tetrabutyl titanate was used as raw material and sol-gel method was chosen to prepare titanium dioxide sol. Using the time of gelation as an evaluation system,the influence of tetrabutyltitanate,water,glacial acetic acid,absolute ethyl alcohol and trolamine are analyzed,respectively,and the mixture ratios of reactants are determined. After that,by orthogonal test and optimality analysis,the optimal mixture ratio is fixed and the optimal technological parameters are gained. By means of solid contents and granularity of the titanium dioxide sol and infra red spectrum,the widespread existence of nano titanium dioxide is proved. Then the self-cleaning performance of finished cashmere knitted fabric is tested. The results show that after 48 hours under natural light irration,the oil stain can be completely decomposed.It indicates that the cashmere knitted fabric containing 80% nano-Ti O2 finishing agent has great selfcleaning performance.

关 键 词：纳米TIO2 自清洁 溶胶 羊绒织物 

分 类 号：TS195[轻工技术与工程—纺织化学与染整工程]