1. A paper sizing agent based on leather collagen hydrolysates modified by glycol diglycidyl ether and its compound performance.
- Author
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Wang X, Chen K, Li W, Hao D, and Guo P
- Subjects
- Acrylates chemistry, Animals, Collagen isolation & purification, Humans, Manufacturing Industry methods, Materials Testing, Protein Hydrolysates isolation & purification, Skin chemistry, Starch chemistry, Styrene chemistry, Waste Products, Collagen chemistry, Cross-Linking Reagents chemistry, Epoxy Resins chemistry, Paper, Protein Hydrolysates chemistry
- Abstract
In this research, collagen hydrolysates with different average molecular weights (Mn¯) from leather collagen were chosen as raw materials. Five environmental-friendly sizing agents (SA) were prepared by cross-linking collagen hydrolysates with glycol diglycidyl ether (GDE) and further grafting them with butyl acrylate (BA) and styrene (St). Then the compound sizing agents (SGDESA-x, x = 1, 2, 3 and 4) were obtained by simple physical mixing of GDESA and starch. The surface sizing performance of GDESA and compound sizing agents were studied. The research result shows that both physical, mechanical properties and water resistance of the corrugated paper coated by GDESA were significantly improved when Mn¯ of collagen hydrolysate was about 10,000, and its emulsion exhibited robust stability in long standing time. Furthermore, when the SGDESA-2 was used as a sizing agent, the coated corrugated paper exhibited strong water resistance, good physical and mechanical properties even after refolded for 20 times., (Copyright © 2018 Elsevier B.V. All rights reserved.)
- Published
- 2019
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