One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites

Hongyan Shen; Youzhi Liu

doi:10.1016/j.cjche.2018.08.008

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One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites

Materials and Product Engineering | Updated：2026-01-06

- One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites
- One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites
- 中国化学工程学报（英文版） 2018年26卷第10期页码：2199-2205
- Affiliations：
  
  Shanxi Province Key Laboratory of Higee-Oriented Chemical Engineering, College of Chemical Engineering and Environment, North University of China,Taiyuan,China,030051
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.08.008
  中图分类号：
- 纸质出版：2018
- Accepted：
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Hongyan Shen, Youzhi Liu. One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites[J]. 中国化学工程学报（英文版）, 2018,26(10):2199-2205.

Hongyan Shen, Youzhi Liu. One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites[J]. Chin.J.Chem.Eng., 2018, 26(10): 2199-2205.
Hongyan Shen, Youzhi Liu. One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites[J]. 中国化学工程学报（英文版）, 2018,26(10):2199-2205. DOI： 10.1016/j.cjche.2018.08.008.

Hongyan Shen, Youzhi Liu. One-step synthesis of hydrophobic magnesium hydroxide nanoparticles and their application in flame-retardant polypropylene composites[J]. Chin.J.Chem.Eng., 2018, 26(10): 2199-2205. DOI： 10.1016/j.cjche.2018.08.008.

摘要

Abstract

Hydrophobic magnesium hydroxide (MH) nanoparticles were prepared by a one-step synthesis method in a high-gravity environment generated by a novel impinging stream-rotating packed bed (IS-RPB) reactor. The reactant solutions were simultaneously and continuously pumped into the IS-RPB reactor

and then Tween 80 was added as a surface modifier. The morphology

structure

and properties of blank and hydrophobic MH were characterized. The effects of MH nanoparticles on the flame retardancy

thermal stability

and mechanical properties of PP/MH composites were also studied. We found that the obtained MH nanoparticles exhibited hexagonal lamella with a mean size of 30 nm

excellent hydrophobic properties (e.g.

high water contact angle of 112°)

and improved thermal stability of MH. The limiting oxygen index (LOI) further showed that increased MH loading can significantly improve flame-retardant performance

which reached 29.3% for PP/MH composites with 30 wt% hydrophobic samples. The thermal stability and mechanical properties of the PP/MH composites with hydrophobic samples were also much higher than those of PP/MH composites with blank MH. Results showed that the one-step synthesis had high potential application in the large-scale production of hydrophobic MH nanoparticles.

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