阻燃真丝的结构与性能

Structures and Properties of Flame Retarded Silk Fibers

多数国家已立法要求对纺织品进行阻燃整理,作为睡衣、蚕丝被原料的真丝更需要进行阻燃整理。采用含磷单体甲基丙烯酰氧乙基二甲基磷酸酯(DMMEP)对真丝进行接枝共聚阻燃改性,研究了阻燃整理后真丝的燃烧性能、物理机械性能及结构的变化。研究结果显示,阻燃整理后真丝可达优异的阻燃性能,极限氧指数达到30%以上;阻燃整理后真丝强力稍有下降,但不会对服用造成影响。通过热分析研究了阻燃后真丝的裂解性能,探讨了阻燃处理的可能机制。

Silk fabrics is indispensable to be treated with flame retardants for legal requirements in many countries. This paper mainly deals with the modification of silk fibers with phosphorous based monomer dimethyl-2- （methacryloyloxyethyl） phosphate（DMMEP）. The flammability, physical and mechanical properties and structures of the silk fabrics modified with DMMEP were investigated. The flame retarded silk fabrics have a little strength loss and whiteness, but both are negligible. Thermogravimetric analysis （TGA） and differential thermal analysis （DTA） were applied to explore the pyrolysis of silk fabrics and the flame resistance mechanism.