GMA改性磷酸腺苷的制备及其对棉织物的阻燃整理
Preparation of GMA modified adenosine phosphates and their application to flame retardant finishing of cotton fabric
杨琪 1王晓 1刘雨铜 1陈茹 1李佥2
作者信息
- 1. 大连工业大学 纺织与材料工程学院,辽宁 大连 116034
- 2. 大连工业大学 生物工程学院,辽宁 大连 116034
- 折叠
摘要
采用甲基丙烯酸缩水甘油酯(GMA)分别对一磷酸腺苷(AMP)、二磷酸腺苷(ADP)、三磷酸腺苷(ATP)进行改性,制得了3种带有不饱和双键的阻燃单体AMP-m-GMA、ADP-m-GMA、ATP-m-GMA;然后通过紫外光接枝法将3 种阻燃单体分别接枝到棉织物上,制备了光接枝AMP-m-GMA、ADP-m-GMA和ATP-m-GMA阻燃棉织物;对 3 种阻燃单体进行了结构表征和热稳定性分析,并探究了 3 种阻燃单体光接枝阻燃棉织物的热稳定性、阻燃性能、燃烧行为和残炭结构.结果表明,3种磷酸腺苷通过GMA环氧基开环引入不饱和双键,且具有良好的热稳定性.相比于原棉织物,3 种阻燃棉织物的最大热降解速率分别降低了 60.0%、52.0%、60.0%,极限氧指数由16.1%分别提升到25.4%、27.4%、26.4%,织物热释放速率(HRR)分别下降了15.09%、60.47%、37.82%,说明 3 种磷酸腺苷阻燃单体均有助于棉织物形成致密炭层,阻止热量扩散,获得良好的阻燃效果.其中,光接枝ADP-m-GMA阻燃棉织物的增重率可达22.4%,燃烧后损毁长度缩短至14.2 cm,表现出更优异的阻燃性能.
Abstract
Three flame retardant monomers AMP-m-GMA,ADP-m-GMA and ATP-m-GMA with unsaturated double bond were synthesized from modification of adenosine monophosphate(AMP),adenosine diphosphate(ADP)and adenosine triphosphate(ATP)with glycyl methacrylate(GMA),which were subsequently grafted onto cotton fabric via UV photografting to obtain photografted flame retardant cotton fabrics with AMP-m-GMA,ADP-m-GMA and ATP-m-GMA,respectively.The three flame retardant monomers were characterized for analysis on structure and thermal stability,followed by investigation on the thermal stability,flame retardant performance,combustion behavior and structure of residual carbon of three photografted flame retardant cotton fabrics.The results showed that unsaturated double bonds were introduced onto three adenosine phosphate monomers,which displayed good thermal stability,through ring-opening reaction of epoxy group of GMA.Compared with those of pristine cotton fabric,the maximum thermal degradation rate of the three flame-retardant cotton fabrics were decreased by 60.0%,52.0%and 60.0%,the limit oxygen index increased from 16.1%to 25.4%,27.4%and 26.4%,and the heat release rate of the fabrics decreased by 15.09%,60.47%,37.82%,respectively.These results indicated that three flame retardant adenosine phosphate monomers could help cotton fabric form dense carbon layer,prevent heat diffusion,and obtain good flame retardant effect.Among the three photografted flame retardant cotton fabrics,ADP-m-GMA flame retardant cotton fabric showed weight gain rate of 22.4%and damage length after burning reduced to 14.2 cm,demonstrating better flame retardancy.
关键词
磷酸腺苷/甲基丙烯酸缩水甘油酯/结构表征/阻燃性能/纺织染整助剂Key words
adenosine phosphates/glycidyl methacrylate/structural characterization/flame retardant performance/dyeing and finishing auxiliaries引用本文复制引用
基金项目
国家自然科学基金青年基金(51803017)
辽宁省教育厅科学研究经费面上项目(2021)(LJKZ0530)
出版年
2024
NETL
NSTL
维普
万方数据