Ageing of adhesive bonds with various surface treatments, part 2: Acrylic modified amine-cured epoxy resin

被引：6
作者：
Comrie, R [1 ]
Affrossman, S [1 ]
Pethrick, RA [1 ]
机构：
[1] Univ Strathclyde, Dept Pure & Appl Chem, Glasgow G1 1XL, Lanark, Scotland
来源：
JOURNAL OF ADHESION | 2005年 / 81卷 / 12期
关键词：
acrylic toughened resins; dielectric measurements; epoxy resins; silica/silicon pretreatment; titanium/zirconium pretreatment;
D O I：
10.1080/00218460500371723
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Ageing of adhesive-bonded aluminium-diglycidyl ether of bisphenol A based aliphatic amine-cured acrylic modified epoxy resin reinforced with fused silica exposed to 100% humidity and cycled between 42-48-42 degrees C every hour is reported. Moisture uptake was followed using broadband dielectric measurements. It was found that the adhesive absorbs moisture very rapidly, the adhesive undergoes significant swelling, and there is a consequent reduction in strength consistent with plasticization of the matrix. The dielectric measurements parallel closely the changes occurring in the adhesive bond line and provide a nondestructive method for monitoring the changes in bond strength. The changes that occur are dominated by the effects of moisture on the adhesive, various pretreatments have little effect on the ageing process, and interfacial failure in this case does not make a significant contribution to the failure of these joints.
引用
收藏
页码：1183 / 1197
页数：15
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