聚氨酯/相变蜡蓄热调温功能整理剂的制备及其在棉织物上的应用

针对传统相变微胶囊后整理法制备蓄热调温纺织品时存在制备工序繁杂、效率低等难点,开发了一种简便快捷的后整理法。选用相变蜡、聚氧乙烯辛基苯酚醚-10(OP-10)乳化剂和水性聚氨酯为主要组分,经高剪切乳化制备蓄热调温功能整理剂,利用浸轧—焙烘方式对棉织物进行整理。优化乳化剂用量、相变蜡与聚氨酯配比及焙烘温度,并测定整理后棉织物及背心的蓄热调温性能。结果表明:当OP-10质量分数为5%,相变蜡与聚氨酯的质量比为1.5∶1,焙烘温度150 ℃时,整理剂在纤维表面原位成膜形成包裹纤维的蓄热调温薄膜,从而赋予棉织物蓄热调温功能;整理后棉织物具备蓄热调温功能,由其所制作的背心具有显著的蓄热调温功能。

Preparation of polyurethane/phase change wax functional finishing agents for heat storage and temperature regulation and their applications on cotton fabrics

Aiming at solving problems such as complication and low preparation efficiency in the preparation of heat storage and temperature regulating textiles by the traditional phase-change microcapsule finishing method, this study developed a simple and fast finishing method. In particular, phase change wax, polyoxyethylene octyl phenol ether-10 (OP-10) emulsifier and waterborne polyurethane were selected as the main materials to prepare heat storage and temperature regulating finishing agents by high shear emulsification. The prepared finishing agents were then treated onto cotton fabrics by the padding-baking method. The amount of the emulsifier and the ratio of the phase change wax to the polyurethane in the finishing agents were optimized, the baking temperature was investigated and the heat storage and temperature regulation performance of the finished cotton fabrics and the vests were measured. The results show that when the amount of emulsifier OP-10 is 5%, the ratio of phase change wax to polyurethane is 1.5∶1 and the baking temperature is 150 ℃, the cotton fibers can be wrapped by a thermo-regulated film produced from the finishing agents in order to obtain cotton fabrics with heat storage and temperature regulation performance. The finished cotton fabrics has the function of heat storage and temperature regulation. The vest made of the finished cotton fabrics has been proven that it has a significant heat storage temperature regulating function.