|Table of Contents|

Preparation of BioAdhesive Based on Soya Bean Meal for Plywood(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年02期
Page:
301-305
Research Field:
Publishing date:

Info

Title:
Preparation of BioAdhesive Based on Soya Bean Meal for Plywood
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
Keywords:
Soya bean meal (SBM);  Biomass glue adhesion agent;  Waterresistant bonding strength;  Viscosity
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.02.0301
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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Last Update: 2016-04-04