[1]刘俊红,黄勇,周世林,等.木材粘接用交联大豆蛋白胶的研究[J].大豆科学,2018,37(02):310-314.[doi:10.11861/j.issn.1000-9841.2018.02.0310]
　LIU Jun-hong,HUANG Yong,ZHOU Shi-lin,et al.Studies of Crosslinked Soybean Protein Adhesive for Wood[J].Soybean Science,2018,37(02):310-314.[doi:10.11861/j.issn.1000-9841.2018.02.0310]
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木材粘接用交联大豆蛋白胶的研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第37卷 期数: 2018年02期 页码: 310-314 栏目: 出版日期: 2018-03-20
Title:
Studies of Crosslinked Soybean Protein Adhesive for Wood
作者:
刘俊红1; 黄勇2; 周世林1; 蔡洋1; 任泽1
（1.四川化工职业技术学院，四川 泸州 646005； 2.四川理工学院，四川 自贡 643000）
Author(s):
LIU Jun-hong1;  HUANG Yong2;  ZHOU Shi-lin1;  CAI Yang1;  REN Ze1
(1.Sichuan Chemical and Technology School, Luzhou 646005, China; 2.Sichuan University of Science and Engineering, Zigong 643000,China)
关键词:
大豆蛋白; 木材胶黏剂; 六次甲基四胺; 粘接性能
Keywords:
Defatted soybean protein; Plywood adhesive; Hexamethylenetetramine; Adhesive properties
分类号:
S565.1；TU58+1.1
DOI:
10.11861/j.issn.1000-9841.2018.02.0310
文献标志码:
A
摘要:
以氢氧化钠改性脱脂大豆蛋白粉为基础胶，选用六次甲基四胺（HMTA）作为交联剂，制备了聚乙烯醇（PVA）改性的大豆蛋白胶黏剂。通过正交试验方法研究了HMTA用量、PVA溶液用量（PVA质量百分比浓度为12%）、热压温度、热压时间对粘接性能的影响；并用红外和热失重分析仪探讨了大豆蛋白胶的粘接机理。结果表明：当HMTA质量百分比用量为6.5%，热压温度为140℃，热压时间为10 min，大豆蛋白胶黏剂粘接性能较优；120℃加热1 h后，酰胺Ⅰ带和酰胺Ⅱ带红外特征峰朝高波数方向移动，表明高温下蛋白质胶内部的氢键数目减少；而属于HMTA的C-N的红外响应峰（1 236和1 007 cm-1）减小。研究结果表明HMTA参与了化学交联反应，HMTA的加入能提高大豆蛋白胶黏剂的耐热性能。
Abstract:
A base glue was prepared by sodium hydroxide modified defatted soy protein powder, based on the base glue, the modified soybean protein adhesive for plywood was prepared with PVA solution, and hexamethylenetetramine as chemical crosslinker. The effects of HMTA usage, PVA solution amount(PVA mass percentage concentration 12%), hot pressing temperature and hot pressing time on adhesive properties were studied by orthogonal test. Structure and heat resistance of soybean protein adhesive were characterized by both FT-IR and TGA. The results showed that the soybean protein adhesive had relatively good adhesion properties with the usage of HMTA, the hot pressing temperature and the hot pressed time was 6.5%, 140℃ and 10 min respectively. After the sample was heated at 120℃ for 1 h, the infrared bands of amide I band and amide II band move towards high wave number. The results showed that the number of hydrogen bonds in the protein decreased at high temperature, the peaks of 1 236 and 1 007 cm-1 attributed to C-N of HMTA got smaller. The results meant HMTA was involved in the chemical crosslinking reaction and the usage of HMTA can improve the heat resistance of soy protein adhesive.

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备注/Memo

收稿日期：2017-09-28

基金项目：四川省科技支撑计划项目（2016FZ0033）；泸州市科技计划项目［2016-S-63（2/3）］。
第一作者简介：刘俊红（1976-），女，学士，副教授，主要从事精细化工产品的研究。E-mail：1260978359@qq.com。
通讯作者：黄勇（1975-），男，博士，副教授，主要从事高分子材料合成及加工。E-mail：hyong0508@163.com。

更新日期/Last Update: 2018-04-03