聚合铝盐制备与应用研究

doi:10.19677/j.issn.1004-7964.2020.03.006

Leather Science and Engineering ›› 2020, Vol. 30 ›› Issue (3): 35-39.doi: 10.19677/j.issn.1004-7964.2020.03.006

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Study on Preparation and Application of Polyaluminum Salt

WANG Shaoteng^1,2, HAN Kaixiang^1,2, SHAN Zhihua^1,2,*

1.Nationa Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China;
2.Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China

Received:2019-12-15 Published:2020-06-28 Online:2020-05-26

Abstract

Abstract: Using AlCl₃·6H₂O as a raw material, polyaluminum (PAC) and polyaluminum tanning agent (PAT) were prepared by a slight alkali addition method. The Al_n(OH)_m structure of PAC was characterized experimentally. The solubility of PAT and the correlation between standing time and the particle size distribution in the suspension were measured. The stability of PAT solutions mixed with salt,vegetable extract and fat-resistant emulsion was investigated. The results show that the stability of the three solutions is related to the storage time. The application of PAT to the main tanning and retanning processes of leather indicated that the grain surface was fine, the thickness was increased significantly,the physical and mechanical properties were improved.

Key words: polymeric aluminum, tanning agent, structure, retanning, application

CLC Number:

TS529.2

WANG Shaoteng, HAN Kaixiang, SHAN Zhihua. Study on Preparation and Application of Polyaluminum Salt[J]. Leather Science and Engineering, 2020, 30(3): 35-39.

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Study on Preparation and Application of Polyaluminum Salt

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