JOURNAL OF TEXTILE RESEARCH ›› 2017, Vol. 38 ›› Issue (11): 97-101.doi: 10.13475/j.fzxb.20170100705
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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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URL: http://www.fzxb.org.cn/EN/10.13475/j.fzxb.20170100705
http://www.fzxb.org.cn/EN/Y2017/V38/I11/97
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