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Influence of polyether chain and synergetic effect of mixed resins with different functionality on adhesion properties of epoxy adhesives

✍ Scribed by Xiaolong Hu; Pengcheng Huang


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
198 KB
Volume
25
Category
Article
ISSN
0143-7496

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✦ Synopsis


In this paper, the influence of flexible polyether chain in the network of the adhesive and synergetic effect of mixed resins with different functionality on the adhesion properties of epoxy adhesives at Γ€196 1C, room temperature(RT) and 140 1C were studied. The results indicated that the lap shear strength increases at RT and Γ€196 1C and decreases at 140 1C with increasing polyether chain in the network of the epoxy resin with unique functionality. If the adhesive is a mixture of epoxy resins with different functionality, a maximum or minimun lap shear strength at Γ€196 1C will appear at certain resin ratio depending on that whether the polyether chain was introduced into the network.


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