PROPERTIES OF PHENOLIC-TANNIN ADHESIVES FROM PINUS-PINASTER BARK EXTRACTS AS RELATED TO BOND QUALITY IN EUCALYPTUS PLYWOODS

被引：16
|
作者：
VAZQUEZ, G
ANTORRENA, G
FRANCISCO, JL
GONZALEZ, J
机构：
[1] Chemical Engineering Department, University of Santiago, E-Santiago de Compostela, 15706, Avenida de las Ciencias s/n
来源：
HOLZ ALS ROH-UND WERKSTOFF | 1992年 / 50卷 / 06期
关键词：
D O I：
10.1007/BF02650319
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Resins were prepared from resoles and Pinus pinaster bark tannins by copolymerization at room temperature. Reducing the moisture content of the tannins to below 60% increased their stability, so allowing preparation of the resin before its application. Various formulations were tested, all of them substituting 50% of phenols by tannins. The resins obtained were used to manufacture 5-plyeucalyptus boards which met BS 1455:1963 WBP quality standards.
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页码：253 / 256
页数：4
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