复合相变微胶囊制备及其在棉织物上的应用

doi:10.13475/j.fzxb.20181000907

纺织学报 ›› 2019, Vol. 40 ›› Issue (10): 127-133.doi: 10.13475/j.fzxb.20181000907

复合相变微胶囊制备及其在棉织物上的应用

杨建¹, 张国庆¹, 刘国金², 柯孝明², 周岚¹^,³()

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
2.浙江理工大学浙江省纤维材料和加工技术研究重点实验室, 浙江杭州 310018
3.兴化市大地蓝绢纺有限公司, 江苏泰州 225700

收稿日期:2018-10-19 修回日期:2019-07-18 出版日期:2019-10-15 发布日期:2019-10-23
通讯作者: 周岚
作者简介:杨建(1994—),男,硕士生。主要研究方向为功能纺织品的开发及应用。
基金资助:
浙江省教育厅科研项目资助(Y201840211)

Preparation of composite phase change microcapsules and its application on cotton fabrics

YANG Jian¹, ZHANG Guoqing¹, LIU Guojin², KE Xiaoming², ZHOU Lan¹^,³()

1. Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
2. Provincial Key Laboratory of Fiber Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
3. Large Land Blue Co., Ltd., Taizhou, Jiangsu 225700, China

Received:2018-10-19 Revised:2019-07-18 Online:2019-10-15 Published:2019-10-23
Contact: ZHOU Lan

摘要/Abstract

摘要：

为获得低成本、高相变焓且相变温度适宜的蓄热调温纺织品,优选不同比例共混的硬脂酸和月桂酸作为相变芯材,以有机单体苯乙烯(St)和丙烯酸丁酯(BA)作为壁材,采用乳液聚合法制备硬脂酸-月桂酸/聚(苯乙烯-丙烯酸丁酯)相变微胶囊,并将微胶囊浸轧整理到棉织物上。研究结果表明:以质量比1∶9复配的硬脂酸-月桂酸作为相变芯材,熔融峰值相变温度为42.12 ℃,相变潜热为187.80 J/g;按芯壁比1∶1制备的微胶囊球形度良好,包覆率高达82.29%,熔融峰值相变温度为37.45 ℃,相变潜热为77.27 J/g,初始分解温度(150 ℃)比纯硬脂酸-月桂酸相变芯材提高了50 ℃左右,具有良好的热稳定性;浸轧整理后棉织物峰值相变温度为39.47 ℃,相变潜热为25.41 J/g,具有良好的蓄热调温功能。

关键词: 复合相变芯材, 微胶囊, 硬脂酸, 月桂酸, 蓄热调温, 棉织物

Abstract:

In order to obtain a heat storage temperature-regulating textile with low cost, high phase transformation and suitable phase transition temperature, stearic acid and lauric acid blended in different proportions were preferred as the phase change core material, and poly(styrene-butyl acrylate) was used as the wall material to prepare stearic acid-lauric acid/poly(styrene-butyl acrylate) phase change microcapsule by emulsion polymerization, and the stearic acid-lauric acid phase change microcapsules were treated on the cotton fabrics by padding process. The results show that the stearic acid-lauric acid with the mass ratio of 1∶9 is used as the phase change core material. The melting peak phase transition temperature is 42.12 ℃ and the latent heat of phase change is 187.80 J/g. The stearic acid-lauric acid/poly(styrene-butyl acrylate) phase change microcapsules prepared with the core/wall ratio of 1∶1 have good sphericity and the coverage rate is as high as 82.29%. The related melting peak phase transition temperature is 37.45 ℃, the latent heat of phase change is 77.27 J/g, and the initial decomposition temperature (150 ℃) is about 50 ℃ higher than the pure stearic acid-lauric acid phase change core material, having good thermal stability. After padding finishing, the peak phase transition temperature and the latent heat of phase change of the cotton fabric are 39.47 ℃ and 25.41 J/g, which has good heat storage and temperature regulation function.

Key words: composite phase change core material, microcapsule, stearic acid, lauric acid, heat storage and temperature regulation, cotton fabric

中图分类号:

TS195.9

杨建, 张国庆, 刘国金, 柯孝明, 周岚. 复合相变微胶囊制备及其在棉织物上的应用[J]. 纺织学报, 2019, 40(10): 127-133.

YANG Jian, ZHANG Guoqing, LIU Guojin, KE Xiaoming, ZHOU Lan. Preparation of composite phase change microcapsules and its application on cotton fabrics[J]. Journal of Textile Research, 2019, 40(10): 127-133.

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硬脂酸与月桂酸质量比	相变潜热/(J·g^-1)	峰值温度/℃
0∶10	187.21	47.95
1∶9	188.03	42.40
3∶7	175.47	42.63
5∶5	113.16	43.06
7∶3	80.97	41.24
9∶1	19.10/162.82	36.83/69.12
10∶0	218.15	72.32

样品编号	质量增加率/%	相变潜热/(J·g^-1)	峰值温度/℃
a	0	0	—
b	17.48	0	—
c	32.17	25.41	39.47
d	26.23	19.58	38.96

复合相变微胶囊制备及其在棉织物上的应用

Preparation of composite phase change microcapsules and its application on cotton fabrics

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