化工新型材料

化工新型材料 ›› 2018, Vol. 46 ›› Issue (1) : 82-85.

新材料与新技术

紫外光固化氮磷/SiO₂有机-无机杂化膨胀阻燃涂层的制备及性能研究

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Preparation and property of UV curable nitrogen-phosphorus-containing monomer/SiO₂ organic-inorganic hybrid intumescent flame retardant coating

Ning Xiangli, Liang Hongbo, Dong Jun, Huang Shengmei, Xiong Lei, Xu Haitao

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Received
2016-09-23
Issue Date	Revised Date
2018-03-01	2016-09-23

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摘要

采用溶胶-凝胶法制备SiO₂溶胶,并将其按不同比例添加到实验室自制的膨胀型光固化磷氮阻燃剂(PETA/MATPT/DAPMP)中制得紫外光固化有机-无机杂化膨胀阻燃涂层,并对其进行表征。研究结果表明:SiO₂溶胶添加量达到15%(wt,质量分数)时,紫外光固化有机-无机杂化膨胀阻燃涂层的膨胀行为基本保持不变,其单向膨胀度仍然能达到126倍,基材背火面的温度最低为338℃,对基材的保护作用显著改善,具有较好的阻燃性能。

Abstract

UV curable SiO₂ sol was synthesized by sol-gel method,which was further blended with an inflatable and UV curable nitrogen-phosphorus-containing flame retardant(PETA/MATPT/DAPMP) prepared in our previous work in different proportions to obtain UV curable organic-inorganic flame retardant coating,which was characterized by infrared spectroscopy.The results showed that when the addition of SiO₂ sol was 15(wt)%,the expansion property of coating remained essentially unchanged,and the unidirectional expansion degree of coating was 126 times,and the minimum temperature of substrate back was 338℃.The protective effect on the substrate was improved significantly and exhibited preferable flame retardant properties.

关键词

紫外光固化 / 有机-无机杂化 / 膨胀阻燃

Key words

UV curing / organic-inorganic hybrid / intumescent flame retardant

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紫外光固化氮磷/SiO₂有机-无机杂化膨胀阻燃涂层的制备及性能研究[J]. 化工新型材料, 2018, 46(1): 82-85 DOI:

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