胶合板用高温花生粕和低温花生粕蛋白基胶黏剂的制备与表征  

Preparation and Characterization of Hot-Pressed Peanut Meal and Cold-Pressed Peanut Meal Protein-Based Adhesives for Plywood

作　　者：屈阳 郭芹[1] 黄雪港 李甜 梁蔓竹 秦晶晶 张巧真 刘红芝[1] 王强[1] Qu Yang;Guo Qin;Huang Xuegang;Li Tian;Liang Manzhu;Qin Jingjing;Zhang Qiaozhen;Liu Hongzhi;Wang Qiang(Institute of Food Science and Technology,Chinese Academy of Agricultural Sciences Key Laboratory of Agro-Products Processing,Ministry of Agriculture and Rural Affairs,Beijing 100193)

机构地区：[1]中国农业科学院农产品加工研究所农业农村部农产品加工综合性重点实验室,北京100193

出　　处：《林业科学》2024年第7期158-164,共7页Scientia Silvae Sinicae

基　　金：新疆维吾尔自治区重点研发计划(2021B02003-3);中国农业科学院科技创新工程(CAAS-ASTIP-201X-IAPPST)。

摘　　要：[目的]以高温花生粕(HPM)和低温花生粕(CPM)为试验原料,通过变性交联提高胶黏剂的胶接性能和耐水性,为花生粕蛋白基胶黏剂的进一步实际应用提供参考。[方法]采用尿素(U)变性和聚酰胺多胺环氧氯丙烷(PAE)树脂交联两步法制备HPM和CPM蛋白基胶黏剂,并比较其在胶合强度、黏度、官能团、热性能和微观形貌方面的差异。[结果]与未变性交联的HPM和CPM胶黏剂相比,变性交联后HPM和CPM胶黏剂制备的杨木胶合板干态胶合强度分别提高134.1%和111.4%,湿态胶合强度分别满足国家标准Ⅰ类和Ⅱ类胶合板要求;变性交联后HPM与CPM胶黏剂黏度分别提高101.5%和70.5%,热分解温度分别提高至316.44和307.57℃,且HPM制备的胶黏剂表面最紧密。[结论]变性交联后HPM胶黏剂的胶合强度、耐水性优于CPM胶黏剂,HPM比CPM更适宜作胶黏剂原料。[Objective]Hot-pressed peanut meal(HPM)and cold-pressed peanut meal(CPM)were used as raw materials to improve the bonding performance and water resistance through denaturation and crosslinking.[Method]HPM and CPM protein-based adhesives were prepared by two-step method of urea(U)denaturation and polyamide polyamine epichlorohydrin(PAE)resin crosslinking,and their differences in bonding strength,viscosity,functional groups,thermal properties and micro morphology were compared.[Result]Compared with the pure HPM adhesive and CPM adhesive,the dry shear strength of poplar plywood prepared by the denatured and crosslinked HPM and CPM adhesive was increased by 134.1%and 111.4%respectively.The wet shear strength reached the national class I poplar plywood standard and class II poplar plywood.After denaturation crosslinking,the viscosity was increased by 101.5%and 70.5%,the thermal decomposition temperature was increased to 316.44℃and 307.57℃,respectively.And the adhesive prepared by HPM had the most compact surface.[Conclusion]The adhesive prepared by HPM has better bonding strength and water resistance than CPM adhesive,and HPM is more suitable as adhesive raw material than CPM.

关 键 词：植物蛋白胶黏剂 高温花生粕 低温花生粕 胶合板 胶合强度 耐水性 

分 类 号：TQ432[化学工程] TS229[轻工技术与工程—粮食、油脂及植物蛋白工程]