纺织学报 ›› 2020, Vol. 41 ›› Issue (07): 129-134.doi: 10.13475/j.fzxb.20190702606

• 染整与化学品 • 上一篇    下一篇

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

刘国金, 石峰, 陈新祥, 张国庆, 周岚()   

  1. 浙江理工大学 先进纺织材料与制备技术教育部重点实验室, 浙江 杭州 310018
  • 收稿日期:2019-07-04 修回日期:2019-12-18 出版日期:2020-07-15 发布日期:2020-07-24
  • 通讯作者: 周岚
  • 作者简介:刘国金(1990—),男,讲师,博士。主要研究方向为功能性纺织品开发与应用。
  • 基金资助:
    浙江理工大学科研启动基金(18012212-Y)

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

LIU Guojin, SHI Feng, CHEN Xinxiang, ZHANG Guoqing, ZHOU Lan()   

  1. Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
  • Received:2019-07-04 Revised:2019-12-18 Online:2020-07-15 Published:2020-07-24
  • Contact: ZHOU Lan

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摘要：

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。

关键词: 相变蜡, 聚氨酯, 整理剂, 蓄热调温纺织品, 棉织物, 相变材料

Abstract:

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.

Key words: phase change wax, polyurethane, finishing agents, heat storage and temperature regulating textiles, cotton fabric, phase change material

中图分类号: 

  • TS195.2

图1

不同质量分数乳化剂制备所得乳液在相同静置时间下的状态变化"

表1

不同乳液冷藏24 h后的状态变化和蓄热调温织物表面的析油状况"

乳化剂
质量分数/%		 乳液状态
变化		 蓄热调温织物的
析油状况
3 乳液上层发生凝固,
下层变黏稠		 吸油纸出现明显油印
4 乳液上层发生凝固,
下层变黏稠		 吸油纸出现明显油印
5 乳液未发生凝固,
保持原样		 吸油纸无油印
6 乳液未发生凝固,
保持原样		 吸油纸无油印
7 乳液未发生凝固,
保持原样		 吸油纸无油印

表2

不同蓄热调温织物的潜热值和表面析油状况"

相变蜡与
聚氨酯质量比		 蓄热织物的
潜热值/(J·g-1)		 蓄热调温织物的
析油状况
0.5∶1 8.62 吸油纸无油印
1.0∶1 15.62 吸油纸无油印
1.5∶1 18.24 吸油纸无油印
2.0∶1 19.39 吸油纸出现明显油印
2.5∶1 20.85 吸油纸出现明显油印

表3

不同焙烘温度下所得聚氨酯膜的剥离性"

焙烘温度/℃ 从玻璃片上剥离的难易程度
70 易
90 较易
110 较易
130 难
150 难
180 难

图3

不同试样的TG曲线"

图4

原棉织物和蓄热调温棉织物的FESEM照片"

图5

棉织物原样和蓄热调温棉织物的降温曲线"

图6

蓄热调温整理前后棉织物所制背心的热红外图像"

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