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豆胶胶合板的高频热压机理及胶合特性(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2014年03期
Page:
120-124
Column:
研究论文
publishdate:
2014-05-15

Article Info:/Info

Title:
Hot-pressing mechanism and bonding characteristics of soy protein adhesive plywood under radio-frequency heating
Article ID:
1000-2006(2014)03-0120-05
Author(s):
LI Wending1 WANG Chao1 ZHANG Yang1* GAO Peng2 LI Shanshan1 GAO Chenchao1
1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
2. Hubei Fuhan Industrial(Group)Development Co., Ltd, Wuhan 430040, China
Keywords:
plywood radio-frequency heating and pressing soy protein adhesive bonding characteristics
Classification number :
S784; TQ433
DOI:
10.3969/j.issn.1000-2006.2014.03.023
Document Code:
A
Abstract:
The distribution of temperature field and moisture migration in the mats with different moisture content through radio-frequency(RF)heating and pressing was investigated in this work, the influence of gluing content of soyprotein adhesive(SPA)on the bonding characteristics of plywood was also examined. The results showed that the mats had a uniformly distribution of temperature field during the RF heating at 6.78 MHz and pressing at 1.0 MPa. The RF drying efficiency increased towards the center of the mats, creating the typical drying pattern from inside to outside. When the glue spread amount(two faces)of veneer was 400 g/m2, the wet shear strength of plywood was 0.83 MPa and the working time was just 12 min.

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Last Update: 2014-05-15