[1]孙丰文,闵德秀,孙恩惠,等.豆粕粉制备胶合板用生物质胶黏剂的研究[J].大豆科学,2016,35(02):301-305.[doi:10.11861/j.issn.1000-9841.2016.02.0301]
　SUN Feng-wen,MIN De-xiu,SUN En-hui,et al.Preparation of BioAdhesive Based on Soya Bean Meal for Plywood[J].Soybean Science,2016,35(02):301-305.[doi:10.11861/j.issn.1000-9841.2016.02.0301]
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豆粕粉制备胶合板用生物质胶黏剂的研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第35卷 期数: 2016年02期 页码: 301-305 栏目: 出版日期: 2016-03-20
Title:
Preparation of BioAdhesive Based on Soya Bean Meal for Plywood
作者:
孙丰文1; 2; 闵德秀3; 孙恩惠4; 董云丹1
1.南京林业大学 材料科学与工程学院，江苏 南京 210037；
2.泗阳杨木加工研究院，江苏 泗阳 210083；?
3.山东新港企业集团，山东 临沂 276037；
4.江苏省农业科学院 农业资源与环境研究所/江苏省农业废弃物资源化工程技术研究中心，江苏 南京 210014
Author(s):
SUN Feng-wen1; 2;  MIN De-xiu3;  SUN En-hui4;  DONG Yun-dan1
1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;?
2. Institute of Poplar Processing Technology Research, Nanjing Forestry University, Siyang 223700, China;?
3. Shandong Xingang Corporation Group, Linyi 276037, China;
?4.Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Science/Jiangsu Agricultural Waste Treatment and Recycle Engineering Research Center, Nanjing 210014, China
关键词:
豆粕粉（SBM）; 生物质胶黏剂; 耐水胶合强度; 黏度
Keywords:
Soya bean meal (SBM);  Biomass glue adhesion agent;  Waterresistant bonding strength;  Viscosity
DOI:
10.11861/j.issn.1000-9841.2016.02.0301
文献标志码:
A
摘要:
采用氢氧化钠和乙醇改性剂处理豆粕粉（SBM），用硫脲作交联剂，选用十二烷基硫酸钠（SDS）表面活性剂制备出具有较好耐水性能的木材用胶黏剂。研究pH、乙醇、硫脲及SDS用量对杨木胶合板耐水胶合强度的影响，并结合浴比（物料质量比）因素，探讨退粘剂（硫酸）对反应体系黏度和胶合强度的作用机理。借助扫描电子显微镜（SEM）分析手段阐明退粘剂对豆粕粉胶黏剂黏度及耐水性增强效应。结果表明：当pH13、乙醇用量15%、硫脲用量7%及SDS为5%，浴比为1∶3.5（豆粕粉质量为基准）时，耐水胶合强度可达0.98 MPa，当加入0.5%退粘剂后，黏度由84 520 mPa.s降低至1 239 mPa.s，胶接强度增加18.07%。SEM结果发现豆粕粉胶黏剂固化断面胶接致密，有效改善了胶液黏度和耐水胶合性能。
Abstract:
An investigation was conducted to improve the water resistance performance of bioadhesive based on soya bean meal (SBM) for plywood. Using sodium hydroxide and ethanol, thiourea and sodium dodecyl sulfate (SDS) as modified and crosslinking agent, and the effects of pH, ethanol, thiourea and SDS dosage on water resistance were studied in this paper, as well as the functional mechanism of sulfuric acid for the viscosity and bond strength of the reaction system by virtue of scanning electron microscope (SEM).The results indicated that optimal synthesis parameters were pH13.0, ethanol usage 15%, thiourea 7% and SDS 5% (based on the mass of SBM), the ration of solution 1∶3.5, respectively.While added about 0.5% of sulfuric acid into the SBM adhesive, the bonding strength was improved up to 0.98 MPa from 0.83 MPa.So was the viscosity, from 84 520 mPa?s drop to 1 239 mPa?s.It is presumed that the intermolecular hydrogen bonding interaction weaken and the curing fracture surface densification was observed from SEM graph.These may explain why such SBM adhesive existed better resistant to water.

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备注/Memo

基金项目：国家林业公益专项（201304507）；苏北富民强县项目（BN2012090）。

第一作者简介：孙丰文（1967-），教授，博导，主要从事胶黏剂及木质纤维复合材料研究。E-mail：sunfengw@aliyun.com。

更新日期/Last Update: 2016-04-04