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Influence chart of different factors on emulsion transmittance during emulsification process
Emulsification and application of graphene modified organosilicon leather feel agent
Yao Qingda, Wang Xiaozhuo, Wen Huitao, Liang Yongxian, Yang Yiqing, Dan Weihua
Author: Fujian Provincial Key Laboratory of leather green design and manufacturing; Xingye Leather Technology Co., Ltd.; National Engineering Laboratory of leather cleaning technology, Sichuan University
Using graphene modified organosilicon as raw material, sorbitan monolaurate (span 20) and polyoxyethylene sorbitan Monopalmitate (Tween 40) as compound emulsifier, and glycerol as auxiliary emulsion, graphene based organosilicon leather feel agent was prepared by emulsification. The results show that when Span 20: Tween 40 is 73:27, the HLB value is 10.5, the emulsifier dosage is 15%, the auxiliary emulsifier is 2.5%, the pH value is 7, the shear rate is 1000r/min, the shear time is 90min, the emulsion transmittance is 69.8%, and has strong acid stability and alkali resistance stability. Using the prepared graphene modified organosilicon as a feel agent in leather top coating can improve the wear resistance, dry / wet friction resistance of leather.
Keywords leather handle; graphene modified organosilicon; emulsification; emulsion properties; finishing.
Fund project Quanzhou science and technology plan project (2018g001) peer review
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