森林与环境学报2016，Vol.36Issue(2)：246-251,6.DOI:10.13324/j.cnki.jfcf.2016.02.020
处理工艺对大豆蛋白基胶黏剂的影响
Effects of soy protein treatment process on soy protein-based adhesives
摘要
Abstract
Before cross-linker modifying soy-based adhesive, early treatment process of soy protein was conducted and studied. The results showed that when treating soy protein with NaHSO3 , the optimum condition would be: addition amount of NaHSO3 4% on solid content of soy protein, treating for 0. 5 h at the temperature 30 ℃. Then adding cross-linker, the dry and wet strength of plywood with soy-based adhesive could satisfy with the requirement of GB/T 9846.3-2004 for I type plywood. The dynamic mechanical thermal analysis ( DMA) indicated that soy protein treated by NaHSO3 had no obvious effects on the curing and thermal stability of soy-based adhesive, and the onset curing temperature of soy-based adhesive was lower than that of the un-treated by NaHSO3 . Differential scanning calorimetry ( DSC ) and Fourier transform infrared spectroscopy ( FTIR ) showed that disulfide bond of soy protein were broken and had obvious exothermic peak of DSC when treated by NaHSO3 . The main conclusions were as follows:before cross-linker modifying soy-based adhesive, soy protein treated by NaHSO3 could reduce the addition amount of cross-linker agent, to further reduce the production cost of soy protein-based adhesive.关键词
NaHSO3改性/交联剂/大豆蛋白/胶合板Key words
NaHSO3 treatment/cross-linker/soy protein/plywood分类
化学化工引用本文复制引用
雷洪,吴志刚,席雪冬,曹明,张本刚,杜官本..处理工艺对大豆蛋白基胶黏剂的影响[J].森林与环境学报,2016,36(2):246-251,6.基金项目
云南省应用基础研究重点项目(2013FA038) （2013FA038）
国家自然科学基金项目(31170530) （31170530）
云南省中青年学术带头人后备人才项目(2011HB024)。 （2011HB024）
