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Thermal crazing phenomena in epoxy resins

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National Technical University of Athens   

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Thermal crazing phenomena in epoxy resins (EN)
Tsangaris, JM (EN)
Theocaris, PS (EN)
Paipetis, SA (EN)
journalArticle (EN)
2014-03-01T01:05:31Z
1974 (EN)
Hot-setting epoxy systems, consisting of a bisphenol A diglycidyl ether resin cured with phthalic anhydride and dibutyl phthalate as plasticizing agent (mainly for photoelastic applications), exhibit crazing phenomena when processed at moderately high temperatures. Chemical analysis and i.r. spectroscopy reveal that crazing is due to rejection of dibutyl phthalate from the surface layers of the specimens. The same phenomenon appears with triethylenetetramine (TETA)-cured cold-setting systems, where dibutyl phthalate undergoes transamidification with TETA before rejection. © 1974. (EN)
Epoxy Resin (EN)
Polymer (EN)
National Technical University of Athens
Digital Library of National Technical University of Athens | Dspace@NTUA
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