镁铝水滑石复配三聚氰胺磷酸盐制备阻燃中密度纤维板的工艺

张丽芳; 梁善庆; 张龙飞; 姜鹏; 陈志林

doi:10.19455/j.mcgy.20180102

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镁铝水滑石复配三聚氰胺磷酸盐制备阻燃中密度纤维板的工艺
Manufacturing Parameters for Fire-Retardant Medium Density Fiberboard with Magnesium-Aluminum Layered Double Hydroxide and Melamine Phosphate
1. 中国林科院木材工业研究所
2018年32卷第1期页码：6-9
DOI： 10.19455/j.mcgy.20180102

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[1]张丽芳,梁善庆,张龙飞,姜鹏,陈志林.镁铝水滑石复配三聚氰胺磷酸盐制备阻燃中密度纤维板的工艺[J].木材工业,2018,32(01):6-9.

ZHANG Li-fang, LIANG Shan-qing, ZHANG Long-fei, et al. Manufacturing Parameters for Fire-Retardant Medium Density Fiberboard with Magnesium-Aluminum Layered Double Hydroxide and Melamine Phosphate[J]. China Wood Industry, 2018,32(1):6-9.
[1]张丽芳,梁善庆,张龙飞,姜鹏,陈志林.镁铝水滑石复配三聚氰胺磷酸盐制备阻燃中密度纤维板的工艺[J].木材工业,2018,32(01):6-9. DOI： 10.19455/j.mcgy.20180102.

ZHANG Li-fang, LIANG Shan-qing, ZHANG Long-fei, et al. Manufacturing Parameters for Fire-Retardant Medium Density Fiberboard with Magnesium-Aluminum Layered Double Hydroxide and Melamine Phosphate[J]. China Wood Industry, 2018,32(1):6-9. DOI： 10.19455/j.mcgy.20180102.

摘要

采用无机镁铝水滑石和三聚氰胺磷酸盐以1:1质量比复配的阻燃剂,以及异氰酸酯MDI胶制备中纤板（MDF）,探讨施胶量、热压温度和热压时间对MDF力学性能的影响。结果表明:各因子对MOE、MOR和IB影响顺序为:MDI施胶量>热压温度>热压时间;确定较优工艺参数为:热压温度160℃,热压时间6 min,MDI施胶量10%。在此条件下,阻燃MDF的MOE、MOR与IB均达到GB/T11718-2009潮湿状态下使用的家具型产品的要求,氧指数为30.3%。

Abstract

In order to improve both fire retardant and mechanical properties of medium density fiberboard（MDF）, the authors prepared a flame retardant composed of magnesium-aluminum layered double hydroxide（MgAl-LDH） and melamine pyrophosphate（MP） having a mass ratio of 1 : 1, and selected MDI resin as the adhesive.The results showed that MOE, MOR and IB were influenced as MDI resin consumption, hot-pressing temperature and hot-pressing time changed. The optimal manufacturing parameters were 160 ℃hot-pressing temperature, 6 minute hot-pressing time and 10% MDI resin consumption. Under these conditions, all the MOE, MOR and IB of the flame-retardant MDF samples met the specifications for furniture grade MDF used in humid conditions according to the National Standard GB/T 11718-2009. The limiting oxygen index（LOI） was 30.3%.