Hybrid organic-inorganic hydrophobic and intumescent flame-retardant coating for cotton fabrics

被引：38
|
作者：
Li, Shanshan [1 ]
Lin, Xinghuan [1 ]
Li, Zhiguang [1 ]
Ren, Xuehong [1 ]
机构：
[1] Jiangnan Univ, Coll Text & Clothing, Minist Educ, Key Lab Ecotext, Wuxi 214122, Jiangsu, Peoples R China
来源：
COMPOSITES COMMUNICATIONS | 2019年 / 14卷
关键词：
Flame-retardant; Hydrophobic; Cotton fabric; LbL assembly; DYNAMICAL-SYSTEMS MODEL; EXPANDABLE GRAPHITE; PHOSPHORUS; NITROGEN; ANTIBACTERIAL; SILICON;
D O I：
10.1016/j.coco.2019.05.005
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Cotton fabrics have low limiting oxygen index which restricts their applications. In this study, a hybrid organic-inorganic intumescent flame-retardant, composed of polyethyleneimine (PEI) wrapped nanosilica (SiO2) and polyphosphoric acid (PPA), was coated onto cotton fabrics by layer-by-layer (LbL) assembly to improve flame retardancy of cotton fabrics. Water repellent agent REPELLAN FF was further coated on the LbL deposited cotton fabrics by the dip-pad-cure process to prepare flame-retardant and hydrophobic cotton fabrics. The SiO2-PEI/PPA/REPELLAN FF coated cotton fabrics were characterized by FT-IR, SEM, and EDX. Thermal properties, mechanical properties, flame retardancies, and hydrophobic properties of the coated cotton fabrics were investigated. The SiO2-PEI/PPA/REPELLAN FF coated cotton fabrics showed good flame-retardant and hydrophobic properties with a LOI of 28.2% and a contact angle of 142 degrees +/- 1 degrees, respectively.
引用
收藏
页码：15 / 20
页数：6
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