Journal
JOURNAL OF CLEANER PRODUCTION
Volume 266, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.121977
Keywords
Caramel; Glucose; Silk; Functional modification; Flame retardant; Sustainable
Categories
Funding
- Suzhou Sci-Tech Development Program [SS2019026]
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions [2018-87]
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This study aimed at the preparation of caramel product by heating glucose at alkaline condition and its application to develop flame retardant silk fabric. Caramel product was employed to silk through a facile exhaustion approach, and the adsorption property, color depth, flame retardancy and washing durability of caramel on silk fabric were investigated. The adsorption of caramel product on silk at acidic condition imparted brown color and good flame retardancy to silk fabric with self-extinguish ability. The modified silk fabric could still pass the vertical flammability measurement after 15 washing cycles, showing good durability to washing. The bubbling property of caramel during heating is responsible for the enhanced flame retardancy of silk as the formed intumescent char layer could protect silk substrates, revealing a condensed charring mechanism for the modified silk fabric. The caramel product modification exerted little adverse impacts on the handle and tensile strength of silk. The flame retardant modification of silk using eco-friendly and sustainable caramel product is a cleaner production approach compared to the synthetically engineered chemicals. (C) 2020 Elsevier Ltd. All rights reserved.
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