氯化铁对多巴胺改性蚕丝织物的功能整理
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摘要
为赋予蚕丝织物多功能性,采用生物质改性剂多巴胺对蚕丝织物进行改性,在织物的表面引入氨基、酚羟基等官能团,然后对改性织物进行氯化铁浸渍处理。借助分光测色仪、扫描电子显微镜、氧指数测定仪、微燃烧量热仪等测试手段来表征整理后织物的各项性能,并对整理后蚕织物的耐水洗性进行探讨。结果表明,聚多巴胺改性蚕丝织物能够提高其成炭性,并且能成功螯合铁离子,采用氯化铁整理改性织物后,织物的氧指数值提高到29.1%,且其热释放能力和总热释放量分别降低至40 J/(g·K)和2.3 kJ/g,整理后织物具备一定的紫外线屏蔽性能,水洗后织物的氧指数值仍达到28.2%。
In order to endow silk fabric with multifunction, the bio-based dopamine was used to modify silk fabric, and functional groups such as amino group and phenolic hydroxyl group were introduced on the surface of the fabric, and then, the modified fabric was immersion treated with ferric chloride. The properties of the finished fabric were characterized by spectrophotometer, scanning electron microscope, oxygen index meter and micro-combustion calorimeter. The laundering durability to washing of the finished silk fabric was discussed. The results show that the polydopamine-modified silk fabric could improve its char formation and successfully chelate the iron ions. After being treated with ferric chloride, the oxygen index of dopamine modified silk fabric increass to 29.1%, and its heat release capacity and the total heat release are reduced to 40 J/(g·K) and 2.3 kJ/g, respectively. The finished fabric has certain UV shielding properties, and the oxygen index of the fabric after washing is still 28.2%.
In order to endow silk fabric with multifunction, the bio-based dopamine was used to modify silk fabric, and functional groups such as amino group and phenolic hydroxyl group were introduced on the surface of the fabric, and then, the modified fabric was immersion treated with ferric chloride. The properties of the finished fabric were characterized by spectrophotometer, scanning electron microscope, oxygen index meter and micro-combustion calorimeter. The laundering durability to washing of the finished silk fabric was discussed. The results show that the polydopamine-modified silk fabric could improve its char formation and successfully chelate the iron ions. After being treated with ferric chloride, the oxygen index of dopamine modified silk fabric increass to 29.1%, and its heat release capacity and the total heat release are reduced to 40 J/(g·K) and 2.3 kJ/g, respectively. The finished fabric has certain UV shielding properties, and the oxygen index of the fabric after washing is still 28.2%.
引文
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[3] 马艳, 李智, 代方银, 等. 蚕丝及蚕丝织物的改性研究综述[J]. 蚕业科学, 2016, 42(6): 1106-1112.MA Yan, LI Zhi, DAI Fangyin, et al. A review on modification of silk and silk fabrics[J]. Science of Sericulture, 2016, 42(6): 1106-1112.
[4] 关晋平, 陈国强. 真丝绸有机膦系阻燃剂整理研究[J]. 印染, 2005(11): 7-9.GUAN Jinping, CHEN Guoqiang. Flame resistant finish of silk fabric with N-hydroxymethyl (3-dimethoxyl phosphono) propionamide[J].China Dyeing & Finishing, 2005(11): 7-9.
[5] LEE H, DELLATORE S M, MILLER W M, et al. Mussel-inspired surface chemistry for multifunctional coatings[J]. Science, 2007, 318: 426-430.
[6] LIU M Y, ZENG G J, WANG K, et al. Recent developments in polydopamine: an emerging soft matter for surface modification and biomedical applications[J]. Nanoscale, 2016, 38(8): 16819-16840.
[7] TRIPATHI B P, DUBEY N C, SUBAIR R, et al. Enhanced hydrophilic and antifouling polyacrylonitrile membrane with polydopamine modified silica nano-particles[J]. RSC Advances, 2016, 6: 4448-4457.
[8] 陶彩虹, 马阜生, 刘宝勇, 等. 基于聚多巴胺的表面改性方法研究现状[J]. 化学通报, 2015, 78(11): 983-990.TAO Caihong, MA Fusheng, LIU Baoyong, et al. Research status of the surface modification method based on polydopamine[J]. Chemistry, 2015, 78(11): 983-990.
[9] 李珍妮, 邓字巍. 仿贻贝黏附性多巴胺的研究与应用进展[J]. 高分子材料科学与工程, 2015, 31(1): 185-190.LI Zhenni, DENG Ziwei. Progress in research and application of mussel-inspired adhesive dopamine[J]. Polymer Materials Science & Engineering, 2015, 31(1): 185-190.
[10] 赵晨旭, 谢银红, 廖芝建, 等. 聚多巴胺对材料表面功能化的研究及应用进展[J]. 高分子通报, 2015(12): 28-37.ZHAO Chenxu, XIE Yinhong, LIAO Zhijian, et al. The research and application progress of polydopamine on the material surface functionalization[J]. Polymer Bulletin, 2015(12): 28-37.
[11] 石雪. 纳米银在织物表面的原位还原及其抗菌效果的研究[D]. 上海:东华大学, 2011:1-20.SHI Xue. Study on the in situ reduction and antibacterial activity of silver nanoparticle[D]. Shanghai: Donghua University, 2011:1-20.
[12] GARGOUBI S, TOLOUEI R, CHEVALLIER P, et al. Enhancing the functionality of cotton fabric by physical and chemical pre-treatments: a comparative study[J]. Carbohydrate Polymers, 2016, 147: 28-36.