胶原提取物改性丙烯酸聚合复鞣剂的应用研究

doi:10.19677/j.issn.1004-7964.2023.04.009

Leather Science and Engineering ›› 2023, Vol. 33 ›› Issue (4): 47-51.doi: 10.19677/j.issn.1004-7964.2023.04.009

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Application of Acrylic Acid Retanning Agent from Modified Collagen Extracts

CHEN Jie^1,2, CHEN Zhijun², LONG Zhongzhen^1,2,*

1. Hoffen Research Institute of Resource Circulation, Xuzhou 221000, China;
2. Jiangsu Hoffen Protein Materials Engineering Center(Hoffen Chemicals Co., Ltd.), Xuzhou 221000, China

Received:2022-12-24 Published:2023-08-01 Online:2023-07-21

Abstract

Abstract: Collagen polypeptide was added in the polymerization process of acrylic acid to change the component of the resulting polymer as retanning agents in leather industry, and the application value was explored. The alkali-extracted collagen polypeptide was firstly crosslinked by glutaraldehyde, and then copolymerized with acrylic monomers obtain the copolymers. The copolymer was used to retan chrome tanned leather, and the retanned leather was characterized and compared. Results showed that the difference was observed in the grain surface appearance, thickening rate, strength and dyeing effect of the retanned leather. The conclusion is that the crosslinking with glutaraldehyde has a new retanning and filling function.

Key words: leather scraps, acrylic acid, copolymerization, glutaraldehyde, retanning

CLC Number:

TS529.2

CHEN Jie, CHEN Zhijun, LONG Zhongzhen. Application of Acrylic Acid Retanning Agent from Modified Collagen Extracts[J]. Leather Science and Engineering, 2023, 33(4): 47-51.

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Application of Acrylic Acid Retanning Agent from Modified Collagen Extracts

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