Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)<sub>2</sub> in large-scale experimental set-up

LI Zhiqiang; WU Qingliu; XIANG Lan; WEI Fei

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Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)₂ in large-scale experimental set-up

更新时间：2025-12-10

- Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)₂ in large-scale experimental set-up
- CIESC Journal Issue 7, Pages: 1349-1354(2005)
- 作者机构：
  
  清华大学化学工程系,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 July 2005，
  
  Published：25 July 2005
- 稿件说明：
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LI Zhiqiang, WU Qingliu, XIANG Lan, et al. Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)₂ in large-scale experimental set-up[J]. CIESC Journal, 2005, (7): 1349-1354.
DOI：

LI Zhiqiang, WU Qingliu, XIANG Lan, et al. Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)₂ in large-scale experimental set-up[J]. CIESC Journal, 2005, (7): 1349-1354. DOI：

摘要

在自行研制的中试设备上用氢氧化钠合成法-水热改性法制备出了高分散氢氧化镁阻燃剂，分析了水热改性条件对制备氢氧化镁的影响.研究发现水热改性温度、水热改性时间、改性剂添加量和水热浆液固含均对水热产物的形貌和一次粒径有一定的影响.在合理的水热改性条件下，能够制备出大晶型、低比表面积、高分散的规则六方片状氢氧化镁阻燃剂.

Abstract

The purpose of this work was to investigate the effect of hydrothermal modification conditions on the preparation of flame retardant Mg(OH)2 synthesized via MgCl2-NaOH route in a large-scale experimental set-up designed by the authors.Hydrothermal modification temperature

hydrothermal modification time

concentration of aqueous CaCl2 solution and solids holdup of Mg(OH)2 particles showed important effect on the morphology

crystalline structure and dispersion properties of the hydrothermal products. Based on optimal hydrothermal modification conditions

the regular hexagonal plates of Mg(OH)2 with uniform size and smaller BET surface area were formed after the hydrothermal treatment.

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Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)2 in large-scale experimental set-up

DOI：

摘要

Abstract

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Keywords

references

Effect of hydrothermal modification conditions on preparation of flame retardant Mg (OH)₂ in large-scale experimental set-up