纺织科学与工程学报2024，Vol.41Issue(3)：26-32,7.DOI:10.3969/j.issn.2096-5184.2024.03.005
长链烷基改性有机硅防水乳液的制备及应用
Preparation and Application of Long-chain Alkyl Modified Silicone Waterproof Emulsion
摘要
Abstract
In order to solve the problems of biological toxicity and poor waterproof durability of fluorine-con-taining waterproof agent,a fluorine-free and eco-friendly silicone waterproof agent was prepared.Silicone seed emulsions with double bonds were obtained by introducing vinyl into silicone macromolecules.The obtained emul-sion was copolymerized with long-chain alkyl stearyl methacrylate(SMA)and other monomers,and the emul-sions with different silicon contents were prepared for cotton fabric finishing.In this study,the emulsion prepara-tion conditions were optimized and the surface energy of latex film was examined as well as the waterproof property and wearability of cotton fabric before and after finishing.The results indicated that when the mass fraction of sili-con was 6%,the emulsion achieved by copolymerizing with acrylate monomer was stable and the surface energy of emulsion film reached 18.90 mN·m-1 at the minimum.The finishing of emulsion on the surface of cotton fabric could form an super-hydrophobic structure,the static contact angle could reach 151.8±0.3° with good self-cleaning property,and the waterproof level could reach 4～5 level.It could still maintain better waterproof proper-ty after 20 times of washing and super-hydrophobic property after 50 times of repeated friction.关键词
无氟防水剂/有机硅/超疏水/耐水洗/耐摩擦Key words
fluorine-free waterproof agent/silicon/super-hydrophobic/washing durability/friction re-sistance分类
轻工纺织引用本文复制引用
任文君,陈华虎,蔡英,张佳文,易玲敏..长链烷基改性有机硅防水乳液的制备及应用[J].纺织科学与工程学报,2024,41(3):26-32,7.基金项目
国家自然科学基金项目(22078305、22308334),浙江省自然科学基金项目(LQ22B060014). （22078305、22308334）
