期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 566, 期 -, 页码 401-410出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2020.01.106
关键词
Microcapsules; Waterborne coatings; Superhydrophobicity; UV protection; Thermal insulation; Self-healing
资金
- National Natural Science Foundation of China [51703082]
- Natural Science Foundation of Jiangsu Province [BK20160186]
- Open Project Program of Key Laboratory of Ecotextiles, Ministry of Education, Jiangnan University [KLET1815]
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.
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