| 季戊四醇醚化氨基树脂为基材的膨胀型防火清漆 |
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| 引用本文： | 马志领,李晓英,丁春月. 季戊四醇醚化氨基树脂为基材的膨胀型防火清漆[J]. 河北大学学报(自然科学版), 2013, 33(1): 29-34 |
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| 作者姓名： | 马志领 李晓英 丁春月 |
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| 作者单位： | 河北大学化学与环境科学学院,河北保定,071002 |
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| 基金项目： | 河北省自然科学基金资助项目(E2012201008) |
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| 摘 要： | 采用季戊四醇代替部分正丁醇做醚化剂制得氨基树脂,与酸式磷酸酯树脂固化剂(PRA)复配,制得一种双组分水性膨胀型防火清漆.采用大板燃烧法和热分析法考察了漆膜的阻燃性能和阻燃机理.分析结果表明:适量的引入季戊四醇可使漆膜的膨胀度和剩炭率提高,炭层的致密度和高温抗氧化性得到改善,且热降解产物燃烧放热量减少,从而提高了漆膜阻挡火焰侵蚀底材的能力.季戊四醇的引入也提高了氨基树脂储存稳定性,但不利于漆膜的耐水性.
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| 关 键 词： | 膨胀型防火清漆 季戊四醇醚化氨基树脂 酸式磷酸酯树脂 阻燃机理 耐水性 稳定性 |
Study of intumescent fire retardant varnish based on amino resin etherified by pentaerythritol |
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| MA Zhiling , LI Xiaoying , DING Chunyue. Study of intumescent fire retardant varnish based on amino resin etherified by pentaerythritol[J]. Journal of Hebei University (Natural Science Edition), 2013, 33(1): 29-34 |
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| Authors: | MA Zhiling LI Xiaoying DING Chunyue |
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| Affiliation: | (College of Chemistry and Environmental Science,Hebei University,Baoding 071002,China) |
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| Abstract: | A two-pack intumescent fire retardant varnish was composed of the phosphate resin acid(PRA) and melamine urea formaldehyde resin(MUF) in which n-butyl alcohol that was used as etherifying agent was replaced by pentaerythritol partly.The flame retardancy and flame retardant mechanism of painted film were investigated from big panel method and thermal analysis.The results showed that the char yield and dilatation of painted film were enhanced;compactness and high temperature anti-oxidation of char layer were improved;and the combustion heats of the thermodegradation products were decreased.It showed that the introduction of an appropriate amount of pentaerythritol were advantage for flame retardancy of painted film.Meanwhile,the introduction of pentaerythritol improved the storability of MUF,but it was disadvantageous for the water |
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| Keywords: | intumescent fire retardant varnish pentaerythritol etherified amino resin phosphate resin acid flame retardant mechanism water resistance storability resistance of painted film |
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