Construction of flame retardant coating on polyamide 6.6 via UV grafting of phosphorylated chitosan and sol-gel process of organo-silane

被引：83

作者：

Kundu, Chanchal Kumar ^{[1
]}

Wang, Xin ^{[1
]}

Hou, Yanbei ^{[1
]}

Hu, Yuan ^{[1
]}

机构：

[1] Univ Sci & Technol China, State Key Lab Fire Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2018年 / 181卷

基金：

中国国家自然科学基金;

关键词：

Phosphorylated chitosan; Flame retardancy; Polyamide; 6.6; fabrics; UV grafting; Sol-gel treatment; THERMAL-PROPERTIES; COMBUSTION BEHAVIORS; EPOXY ACRYLATE; PHOSPHATE; SILICON; METHACRYLATE; POLYMERS; RESINS; COTTON;

D O I：

10.1016/j.carbpol.2017.11.069

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Phosphorylated chitosan (PCS) was synthesized and grafted onto the surface of polyamide 6.6 (PA 6.6) fabrics via UV-induced grafting polymerization in order to improve the flame retardant properties. Subsequently, PCS grafted PA 6.6 fabrics were modified by (3-aminopropyl) triethoxysilane (APTES) through sol-gel process in order to form a cross-linking coating. The results obtained from the vertical burning test indicated that only the PCS grafted and simultaneously sol-gel treated fabrics could stop the melt dripping. A maximum reduction (30%) in the peak heat release rate was achieved for the PA6.6-PCS-4W-SG fabric sample. The optimal flame retardant effect was achieved for the PA6.6 fabrics treated by PCS and APTES simultaneously, which was attributed to the joint effect of thermal shielding exerted by the silica and char-forming effect derived from PCS.

引用

页码：833 / 840

页数：8

共 39 条

[31] Flame Retardancy and Thermal Properties of Novel UV-Curable Epoxy Acrylate Coatings Modified by a Silicon-Bearing Hyperbranched Polyphosphonate Acrylate [J].