<i>In situ</i> synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor

Hongyan Shen; Youzhi Liu

doi:10.1016/j.cjche.2016.07.012

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In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor

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

- In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor
- In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor
- 中国化学工程学报（英文版） 2016年24卷第9期页码：1306-1312
- 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.2016.07.012
  中图分类号： 10.1016/j.cjche.2016.07.012
- 纸质出版：2016
- Accepted：
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Hongyan Shen, Youzhi Liu. In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor[J]. 中国化学工程学报（英文版）, 2016,24(9):1306-1312. DOI: 10.1016/j.cjche.2016.07.012.

synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor[J]. , 2016, 24(9): 1306-1312.
Hongyan Shen, Youzhi Liu. In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor[J]. 中国化学工程学报（英文版）, 2016,24(9):1306-1312. DOI: 10.1016/j.cjche.2016.07.012. DOI：

synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor[J]. , 2016, 24(9): 1306-1312. DOI： 10.1016/j.cjche.2016.07.012.

摘要

中图分类号:

Abstract

Hydrophobic Mg(OH)

nanoparticles were successfully synthesized via an in situ surface modification method in a novel impinging stream-rotating packed bed (IS-RPB) reactor using oleic acid (C

COOH

OA) as a surface modifier

magnesium chloride hexahydrate in the presence of ethanol as a precursor

and sodium hydroxide as a precipitant. The products were characterized by Fourier transform infrared spectroscopy (FTIR)

Field emission scanning electron microscopy (FESEM)

X-ray diffraction (XRD)

and thermogravimetry-differential scanning calorimetry (TG-DSC). Compatibility with organic solutions was determined by sedimentation tests. The prepared nanoparticles exhibited regular hexagonal lamella with an average diameter of 30 nm when OA is added to the reaction system; this result indicates that OA regulates the morphology of the Mg(OH)

nanoparticles. XRD revealed that the high-purityMg(OH)

product presents a brucite structure

and the I001/I101 of hydrophobic Mg(OH)

(0.86) w

as higher than that of the blank Mg(OH)

(0.63). FTIR analysis showed that OA bonded to the surface of the Mg(OH)

. Comparedwith the blankMg(OH)

product

the product obtained through the proposed method possesses excellent hydrophobic properties

including a high water contact angle of 101.4° and good compatibility with liquid paraffin. TG-DSC analysis indicated that the total percentage of mass loss of hydrophobic Mg(OH)

(40.88%) was higher than that of the blank Mg(OH)

product (33.18%). The in situ surface modification method proposed in this work presents potential use in the large-scale production of Mg(OH)

nanoparticles.

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In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor

In situ synthesis of hydrophobic magnesium hydroxide nanoparticles in a novel impinging stream-rotating packed bed reactor

DOI：10.1016/j.cjche.2016.07.012

摘要

Abstract

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