Phosphorylated cellulose applied for the exfoliation of LDH: An advanced reinforcement for polyvinyl alcohol

被引：30
|
作者：
Wang, Wei [1 ]
Kan, Yongchun [1 ]
Pan, Haifeng [4 ]
Pan, Ying [1 ]
Li, Baoguang [3 ]
Liew, K. M. [2 ]
Hu, Yuan [1 ]
机构：
[1] Univ Sci & Technol China, State Key Lab Fire Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
[2] City Univ Hong Kong, Dept Architecture & Civil Engn, Tat Chee Ave, Kowloon, Hong Kong, Peoples R China
[3] Yunnan Univ, Dept Mat Sci & Engn, 2 Chestwood Rd, Kunming 650091, Peoples R China
[4] China Univ Geosci, Fac Engn, Wuhan 430074, Peoples R China
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2017年 / 94卷
基金：
中国国家自然科学基金;
关键词：
A. Polymer-matrix composites (PMCs); B. Flame/fire retardancy; B. Thermal properties; D. Thermal analysis; LAYERED DOUBLE HYDROXIDES; FLAME-RETARDANT PROPERTIES; MECHANICAL-PROPERTIES; ORGANIC-COMPOUNDS; THIN-FILMS; NANOCOMPOSITES; MEMBRANES; POLYMERIZATION; NANOSHEETS; CHITOSAN;
D O I：
10.1016/j.compositesa.2016.11.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Phosphorylated cellulose was used as a bio-based anion surfactant to exfoliate layered double hydroxides (PC-LDHs). The X-ray diffraction results showed that the interlayer spacing distances are significantly enlarged after intercalated by phosphorylated cellulose. TEM images showed that LDHs are successfully synthesized and distributed along the cellulose chains. The modified LDH was used as a reinforcement for polyvinyl alcohol. The thermal stability of PVA composites is improved after the addition of PC-LDH. In addition, the flame retardancy of PVA composites were significantly improved with the combination of PC-LDH, peak heat release rate (PHRR) was reduced. Meanwhile, the total heat release (THR) was also decreased. Moreover, the tensile strength of the polyvinyl alcohol was simultaneously improved by the increase of the loading. This work extended the application of cellulose and provide solution for enhancement of materials.(C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：170 / 177
页数：8
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