Study on Flame-Retardant Poplar Veneer Modified by Polyvinyl Alcohol Phosphate Intercalated Hydrotalcite

ZHU Meng; ZHU Jia-zhi; SHI Jun-you; WEN Ming-yu; ZHAO Zi-xu

doi:10.12326/j.2096-9694.2020152

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Study on Flame-Retardant Poplar Veneer Modified by Polyvinyl Alcohol Phosphate Intercalated Hydrotalcite
1.School of Materials Science and Engineering， Beihua University， Jilin 132000， Jilin， China
2.College of Chemistry， Beijing University of Chemical Technology， Beijing 100029，China
Vol. 35, Issue 3, Pages: 52-58(2021)
DOI： 10.12326/j.2096-9694.2020152

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朱猛,朱嘉智,时君友等.聚乙烯醇磷酸酯插层改性水滑石及其阻燃改性杨木的研究[J].木材科学与技术,2021,35(03):52-58.

ZHU Meng,ZHU Jia-zhi,SHI Jun-you,et al.Study on Flame-Retardant Poplar Veneer Modified by Polyvinyl Alcohol Phosphate Intercalated Hydrotalcite[J].Chinese Journal of Wood Science and Technology,2021,35(03):52-58.
朱猛,朱嘉智,时君友等.聚乙烯醇磷酸酯插层改性水滑石及其阻燃改性杨木的研究[J].木材科学与技术,2021,35(03):52-58. DOI： 10.12326/j.2096-9694.2020152.

ZHU Meng,ZHU Jia-zhi,SHI Jun-you,et al.Study on Flame-Retardant Poplar Veneer Modified by Polyvinyl Alcohol Phosphate Intercalated Hydrotalcite[J].Chinese Journal of Wood Science and Technology,2021,35(03):52-58. DOI： 10.12326/j.2096-9694.2020152.

摘要

镁铝水滑石因其特殊结构，在阻燃处理方面应用较为广泛，但存在阻燃元素单一的问题。采用聚乙烯醇磷酸酯（PPVA）对水滑石进行插层改性，制备有机-无机复合协效阻燃剂，并浸渍处理杨木单板，考察浸渍处理工艺对杨木载药率和极限氧指数的影响。结果显示，PPVA插层进入镁铝水滑石层间中；PPVA插层水滑石真空加压处理后杨木单板的极限氧指数较杨木素板提高了14.6%。

Abstract

Magnesium-aluminum hydrotalcite (LDH) is widely used, especially in the flame-retardant treatment because of its special structure, but as a single flame-retardant element limits its flame-retardant performance. In this study, polyvinyl alcohol phosphate(PPVA) was used to intercalate and modify the hydrotalcite to prepare an organic-inorganic composite synergistic flame-retardant agent. The poplar veneer was impregnated with the flame-retardant agent. The effect of the impregnation process on the chemical-loading and limiting oxygen index of poplar veneer was investigated. The results showed that PPVA effectively intercalated into the magnesia-aluminum hydrotalcite layer; the limiting oxygen index of treated veneer was 14.6% higher than that of untreated poplar veneer.

关键词

水滑石聚乙烯醇磷酸酯插层改性阻燃

Keywords

hydrotalcitepolyvinyl alcohol phosphateintercalation modificationflame retardant

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