纺织学报 ›› 2017, Vol. 38 ›› Issue (11): 97-101.doi: 10.13475/j.fzxb.20170100705

• 染整与化学品 • 上一篇    下一篇

新型氮-磷阻燃剂制备及其对棉织物的阻燃性能

  

  • 收稿日期:2017-01-04 修回日期:2017-04-18 出版日期:2017-11-15 发布日期:2017-11-15

Preparation of a novel N-P flame retardant and its flame retardant properties in cotton fabric

  • Received:2017-01-04 Revised:2017-04-18 Online:2017-11-15 Published:2017-11-15

摘要:

为同步实现纺织品高分子材料高效、低毒的阻燃性能,充分利用氮-磷之间的协同效应,以六氯环三磷腈(HCPP)为骨架,通过亲核取代反应将笼状季戊四醇磷酸酯(PEPA)引入其中,制备了一类新型氮-磷无卤阻燃剂(HCPPA),其化学结构通过IR和1H-NMR进行表征,产品收率66.2%;其棉织物阻燃性能通过氧指数仪和垂直燃烧仪进行测试,结果表明,当阻燃剂添加量为 28 % 时,HCPPA 的极限氧指数高达35,阴燃时间为0.3 s,经HCPPA 处理的棉纱卡水洗15次后极限氧指数仍然高达32.5,显示了优异的阻燃性能和良好的耐水洗性。与近年来开发的六苯氧基环三磷腈(HPCTP)和季戊四醇磷酸酯(PEPA)相比,HCPPA具有更优异的阻燃性能,有望在纺织、塑料和涂料等产品的阻燃工业中具有更好的应用前景。

关键词: 阻燃剂, 氮磷协同效应, 棉织物, 阻燃性能, 耐水洗性

Abstract:

In order to synchronously realize high-efficiency and low toxicity flame retardant properties in textile polymer materials, and make full use of synergistic effect between nitrogen and phosphorus, with hexachlorotricyclophosphazene(HCPP) as skeletonl, through nucleophilic substitution reaction to introduce cage pentaerythritol phosphate (PEPA) into the HCPP, a novel N-P halogen-free flame retardants(HCPPA) was prepared with product?yield of 66.2%, and its chemical structure was characterized by IR and 1H-NMR, The flame retardant properties in cotton fabric is tested by oxygen index meter and vertical burning instrument. The results showed that when the content of flame retardant is 28%, the limiting oxygen index of HCPPA was up to 35 and the smoldering time was 0.3s, after washing 15 times, the limiting oxygen index of cotton?drill treated by HCPPA, was still as high as 32.5, which shows excellent flame retardant properties and better washing durability. Compared with the hexaphenoxy cyclotriphosphazene(HPCTP)and pentaerythritol phosphate (PEPA) developed recently, HCPP has more excellent flame retardant performance, and is expected to have a better application prospect in the flame retardant industry of textile, plastic and coating.

Key words: flame retardant agent, N-P synergistic effect, cotton fabric, flame retardant property, washing durability

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