纳米TiO2自清洁溶胶的制备及其性能

纺织学报 ›› 2016, Vol. 37 ›› Issue (3): 98-103.

纳米TiO2自清洁溶胶的制备及其性能

收稿日期:2015-03-05 修回日期:2015-12-05 出版日期:2016-03-15 发布日期:2016-03-16

Preparation and properties of Self-cleaning nano-TiO2 sol

Received:2015-03-05 Revised:2015-12-05 Online:2016-03-15 Published:2016-03-16

摘要/Abstract

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TiO2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，确定了各个反应物的配比范围，然后经过正交实验和优化分析确定了最佳配比，从而得出了最优制备工艺参数；通过对TiO2溶胶的含固量、纳米溶胶粒度、红外光谱的表征，得出纳米TiO2广泛存在。经TiO2溶胶整理后的羊绒针织物的自清洁效果进行测试，结果表明：自然光照射48h，经TiO2溶胶为80%的整理剂整理后，的羊绒织物可以将油渍完全分解，达到自清洁效果。

关键词: 纳米TiO2, 自清洁, 溶胶, 羊绒织物

Abstract:

Tetrabutyl titanate was used as raw material and sol-gel method was chosen to prepare titanium dioxide sol .Using the time of gel as a evaluation system, through analyzing the single dispersant with tetrabutyl titanate, water, glacial acetic acid, absolute ethyl alcohol and trolamine, mixture ratio coverage of each reactant are determined, after that by orthogonal test and optimality analysis, the optimal mixture ratio is fixed and the optimal technological parameter 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 finishing cashmere knitted fabric is tested. The results show that after 48 hours of natural light, the oil stain can be completely decomposed. It indicates that the cashmere knitted fabric that contains 80% nano-TiO2 finishing agent has great self-cleaning performance.

Key words: nano-TiO2, self-cleaning, sol, cashmere fabric

苟喆孟家光张琳玫章悦. 纳米TiO2自清洁溶胶的制备及其性能[J]. 纺织学报, 2016, 37(3): 98-103.

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