One-step synthesis of core shell cellulose-silica/n-octadecane microcapsules and their application in waterborne self-healing multiple protective fabric coatings

被引：64

作者：

Chen, Kunlin ^{[1
]}

Zhou, Jianlin ^{[1
]}

Che, Xiaogang ^{[1
]}

Zhao, Ruoyi ^{[1
]}

Gao, Qiang ^{[2
]}

机构：

[1] Jiangnan Univ, Sch Text & Clothing, Key Lab Ecotext, Minist Educ, Wuxi 214122, Jiangsu, Peoples R China

[2] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2020年 / 566卷

基金：

中国国家自然科学基金;

关键词：

Microcapsules; Waterborne coatings; Superhydrophobicity; UV protection; Thermal insulation; Self-healing; GRAPHENE OXIDE; ROBUST; MEMBRANES; SURFACE; DESIGN;

D O I：

10.1016/j.jcis.2020.01.106

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Exploiting water-based fabric coatings outfitted with multiple protections (e.g., waterproofness, ultraviolet (UV) resistance and thermal insulation) are urgently demanded. Nevertheless, achieving the multifunction and durability poses the major challenge. In the present study, novel multifunctional cellulose/silica hybrid microcapsules were developed by one-step emulsion-solvent diffusion; these microcapsules were well dispersed into waterborne silicone resins to form waterborne multiple protective fabric coatings. Since the encapsulated phase change materials were in the core of capsules, and the hydrophobic coupling reagent and UV absorber were grafted onto the silicas in the shell of capsules, these fabric coatings exhibited high superhydrophobicity, UV protection and thermal insulation. Moreover, because hydrophobic coupling reagent and UV absorber in the shell-cellulose of capsules exhibited easy mobility, the fabric coatings displayed self-repairability of superhydrophobicity and UV protection even after being damaged chemically or mechanically. The fabric coating presented in this study could have a range of applications, covering special protective fabric, high-altitude garments as well as self-cleaning materials. (C) 2020 Elsevier Inc. All rights reserved.

引用

页码：401 / 410

页数：10

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