1.华南农业大学，广东广州 510642
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吴晓航,侯贤锋,孙瑾等.氨化废纸纤维增强酵母蛋白胶黏剂的研究[J].木材科学与技术,2023,37(03):19-26.
WU Xiaohang,HOU Xianfeng,SUN Jin,et al.Yeast Protein Adhesive Reinforced with Ammoniated Waste Paper Fiber[J].Chinese Journal of Wood Science and Technology,2023,37(03):19-26.
酵母蛋白具有生产效率高的优点，可用于制备蛋白质胶黏剂。本研究以酵母蛋白为基质、氨化废纸纤维为增强骨架，构建酵母蛋白质/交联剂/纤维的共交联纤维增强的蛋白胶体系，成功制备胶合板用胶黏剂。研究结果表明：环氧交联剂在蛋白质基质与纤维骨架的侧链间形成密集的化学连接，提高了蛋白质与纤维间的界面结合力；氨化废纸纤维增强酵母蛋白胶具有良好的结合强度与耐水性能，在氨化废纸纤维添加量为胶液质量的1.5%时，制备的胶合板Ⅰ、Ⅱ类湿强度分别达到0.79 MPa和1.76 MPa，满足GB/T 9846—2015《普通胶合板》中Ⅰ、Ⅱ类胶合板的强度要求。
Yeast protein has the advantages of high production efficiency, which is used to prepare protein adhesives. In this study, the plywood adhesive with excellent performance was successfully developed using yeast protein/crosslinker/fiber co-crosslinking fiber reinforcement protein adhesive system, which apllied yeast protein as the matrix and ammoniated waste paper fiber as the reinforced skeleton. With the cross-linking of epoxy cross-linker, dense chemical connections were formed between the multiple side groups of the fiber skeleton and protein matrix, which improved the interfacial bonding between protein and fiber. The fiber reinforcement substantially improved the adhesive bonding performance. Adding 1.5% of ammoniated waste paper fiber to the adhesive, the wet shear strengths of plywood reached 0.79 MPa for type I and 1.76 MPa for type II respectively, which met the strength requirements of plywood class Ⅰ and II in GB/T 9846—2015 ",Plywood for general use,".
酵母蛋白氨化废纸纤维胶黏剂胶合板
yeast proteinammoniated waste paper fiberadhesiveplywood
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