期刊
APPLIED CLAY SCIENCE
卷 121, 期 -, 页码 36-45出版社
ELSEVIER
DOI: 10.1016/j.clay.2015.12.021
关键词
Montmorillonite; Modified rapeseed oil; Nanocomposite fatliquoring agent; Flame retardant material
资金
- National Natural Science Foundation of China [21406135]
- Natural Science Basic Research Program of Shaanxi Province [2015JM2061]
- Key Scientific Research Group of Shaanxi Province [2013KCT-08]
- Doctoral Fund of Shaanxi University of Science and Technology [BJ13-16]
Montmorillonite was modified by cis-13-docosenoic acid also known as erucic acid via intercalation reaction. The as-prepared erucic acid modified montmorillonite (EA-Mt), rapeseed oil, ethylene diamine, acrylic, and sodium bisulfite were employed to prepare the EA-Mt/modified rapeseed oil (EA-Mt/MRO) nanocomposite. X-ray diffraction (XRD) indicated that erucic acid successfully intercalated into the interlayer space of montmorillonite (Mt) with the basal spacing of Mt increasing from 1.24 nm to 1.48 nm. The thermal stability of EA-Mt/MRO nano composite was effectively improved after adding the EA-Mt by thermogravimetric analysis (TGA). Then, EA-Mt/ MRO nanocomposite as fatliquoring agent was applied in the leather fatliquoring process of goatskin garment. Erucic acid intercalated Mt was dispersed on the collagen fibers of the leather as confirmed by SEM and EDX. The flame retardancy of the leather treated with EA-Mt/MRO nanocomposite was found to be improved in a significant way. Compared with that of leather treated with modified rapeseed oil (MRO), the highest LOI value of leather treated with EA-Mt/MRO reached 27.9% from 23.7% with 8% EA-Mt. The leather had superior softness, physical and mechanical properties. (C) 2015 Elsevier B.V. All rights reserved.
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