Studying the effects of chain extenders chemical structures on the adhesion and mechanical properties of a polyurethane adhesive

被引：55
|
作者：
Sheikhy, H. [1 ]
Shahidzadeh, M. [1 ]
Ramezanzadeh, B. [2 ]
Noroozi, F. [1 ]
机构：
[1] Maleke Ashtar Univ Technol, Dept Chem & Chem Engn, Tehran, Iran
[2] Inst Color Sci & Technol, Dept Surface Coatings & Corros, Tehran, Iran
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2013年 / 19卷 / 06期
关键词：
Polyurethane; Aluminum; Dynamic mechanical analysis; Peel; Mechanical properties of adhesives; SYSTEM;
D O I：
10.1016/j.jiec.2013.03.008
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Chain extenders including diethanol amine (DEA) and 2-cyano-N,N-bis-hydroxyethyl acetamide (CNBA) were utilized to enhance the adhesion and mechanical properties of a polyurethane (PU) adhesive. The adhesion and mechanical properties of the adhesives were studied by peel test, tensile test and dynamic thermal analysis (DMTA) respectively. Results revealed that both chain extenders (DEA and CNBA) increased peel test modulus. The cross-linking density and toughness of the adhesive were significantly increased using chain extenders. Results showed that chain extender without side chain (DEA) could improve the adhesion and mechanical properties of the adhesive greater than chain extender with aliphatic side group (CNBA). (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1949 / 1955
页数：7
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