制革废弃物提取蛋白制备低甲醛高性能脲醛树脂

doi:10.19677/j.issn.1004-7964.2020.03.008

Leather Science and Engineering ›› 2020, Vol. 30 ›› Issue (3): 47-50.doi: 10.19677/j.issn.1004-7964.2020.03.008

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Preparation of Low Formaldehyde and High Performance Urea-formaldehyde Resin from the Protein of Leather Waste

CUI Yuming^1,2, DAI Rui^1,2, XU Wencong^1,2, CHEN Hui^1,2,*

1.College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China;
2.National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China.

Received:2019-12-09 Published:2020-06-28 Online:2020-05-26

Abstract

Abstract: The influence of four formaldehyde capture agents on the free formaldehyde content and viscosity of urea-formaldehyde resin have been explored. The results indicated that when the mass ratio between the protein of leather waste and sodium sulfite was 1∶2, and the free formaldehyde content of urea-formaldehyde resin was 0.160% and the viscosity was 17.2 s, respectively. The physical properties of particleboard prepared by this adhesive can meet with the national standard. The combination of the protein of leather waste and sodium sulfite can effectively inhibit the free formaldehyde in urea-formaldehyde resin and enhance its viscosity, which can expand the application area of the protein of leather waste.

Key words: protein from leather waste, formaldehyde capture agent, urea formaldehyde resin

CLC Number:

TS59

CUI Yuming, DAI Rui, XU Wencong, CHEN Hui. Preparation of Low Formaldehyde and High Performance Urea-formaldehyde Resin from the Protein of Leather Waste[J]. Leather Science and Engineering, 2020, 30(3): 47-50.

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Preparation of Low Formaldehyde and High Performance Urea-formaldehyde Resin from the Protein of Leather Waste

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