摘要
现有众多的阻燃纤维和阻燃整理方法尚难满足阻燃防护服装对面料的多方面需求,特别在GB 8965.1—2020《防护服装阻燃服》标准取消C级阻燃等级后,原来多采用阻燃整理的工装面料已较难适应新的技术要求,需要寻求新的技术途径来解决此问题。纤维素是地球上最丰富的可再生资源,且纤维素纤维兼具良好的吸湿性、舒适性和染色性能。随着溶剂纺Lyocell纤维的大规模工业化生产,长期困扰再生纤维素纤维发展的环境污染和强度偏低问题已得到改善。国内学术界和产业界已在Lyocell纤维技术框架基础上进行比较广泛而深入的高强阻燃纤维研发工作,分别以共混法和后整理法研制并工业化生产了Lyocell纤维基阻燃再生纤维素纤维,实现了较高的强度和阻燃性能,有望藉此开发出中高性能、中低价格的系列阻燃面料。在共混法制造阻燃Lyocell的工艺中,需要建立不影响NMMO回收利用的加工技术;在后整理法制造阻燃Lyocell的工艺中,需要防止出现纤维并丝疵点。
Many existing flame-retardant fibers and flame-retardant finishing methods still struggle to meet the various needs of flame-retardant protective clothing fabrics.Especially after the cancellation of the C-class flame retardant grade in GB 8965.1—2020 standard,the original use of flame-retardant finishing fabric has been more difficult to adapt to the change of technical requirements;it is necessary to seek new technical ways to solve this problem.Cellulose is the most abundant renewable resource on earth,and cellulose fiber has good hygroscopic,comfortable and dyeing properties.With the large-scale industrial production of Lyocell fiber,the problems of environmental pollution and low strength that plagued the development of cellulose fiber for a long time have been solved.China’s academia and industry have carried out extensive and in-depth research and development of high-strength flame retardant fibers on the basis of the Lyocell fiber technology framework and developed and industrialized production of Lyocell fiber flame-retardant regenerative cellulose fibers by blending method and post-finishing method respectively,and obtained high strength and flame retardant properties.It is expected to develop a series of flame-retardant fabrics with high performance and low prices.In the technology of making flame-retardant Lyocell fiber by blending method,it is necessary to establish a processing technology that does not affect the recycling of NMMO.In the postfinishing technology to manufacture flame-retardant Lyocell fiber,it is necessary to prevent the occurrence of closed filament defects.
出处
《纺织导报》
2025年第2期50-53,共4页
China Textile Leader
关键词
阻燃
纤维素纤维
共混法
后整理法
研发现状
flame retardancy
cellulose fibers
blending method
post-finishing method
R&D status
