In-situ synthesis of calcium carbonate from oleic acid and application there of in wet coating of polyamide

被引：0
|
作者：
Lei P. [1 ]
Huang Y. [1 ]
Yuan S. [1 ]
Li H. [2 ]
Wang C. [1 ]
Zheng J. [1 ,3 ]
机构：
[1] Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, Zhejiang
[2] Huzhou Siny Label Material Co., Ltd., Huzhou, 313000, Zhejiang
[3] Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, Zhejiang
来源：
Fangzhi Xuebao/Journal of Textile Research | 2019年 / 40卷 / 05期
关键词：
Calcium carbonate; In-situ synthesis; Ink absorption; Oleic acid; Polyamide wet coating;
D O I：
10.13475/j.fzxb.20180601108
中图分类号：
学科分类号：
摘要：
In order to solve poor ink absorption and high pH value of polyamide coated fabric with calcium carbonate, novel calcium carbonate was prepared from oleic acid by in-situ synthesis. The effect of in situ synthesized calcium carbonate was evaluated by activation degree and sedimentation volume. The mechanism was investigated by Fourier transform infrared spectroscopy, X ray diffraction, scanning electron microscopy, transmission electron microscopy and thermogravimetric analysis. The in-situ synthesized calcium carbonate is used in the polyamide wet coating, the structure of the coating film and the ink absorption, mechanical properties and pH value of the coated fabric were investigated. The results show that when the content of oleic acid is 15% of the mass fraction of calcium carbonate, the in-situ synthesized calcium carbonate is the best in various properties, the activation degree is 99% and the sedimentation volume is 3.95 mL. The in-situ synthesized calcium carbonate is used in wet polyamide coating, the contact angle of coating film decreases by 8.29°, the ink length of coated fabric decreases by 10.42 mm and the pH value decreases to 7.27, the ink absorption increases, and the pH well meets the safety standards of textiles. Copyright No content may be reproduced or abridged without authorization.
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页码：70 / 77
页数：7
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