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Development of high Tg epoxy resin and mechanical properties of its fiber-reinforced composites
Journal of applied polymer science, 2013-03, Vol.127 (6), p.4328-4333
Yi, Jin-Woo
Um, Moon-Kwang
Byun, Joon-Hyung
Lee, Sang-Bok
Lee, Sang-Kwan
2013
Details
Autor(en) / Beteiligte
Yi, Jin-Woo
Um, Moon-Kwang
Byun, Joon-Hyung
Lee, Sang-Bok
Lee, Sang-Kwan
Titel
Development of high Tg epoxy resin and mechanical properties of its fiber-reinforced composites
Ist Teil von
Journal of applied polymer science, 2013-03, Vol.127 (6), p.4328-4333
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2013
Link zum Volltext
Quelle
Wiley Online Library Journals Frontfile Complete
Beschreibungen/Notizen
A new epoxy resin with high glass transition temperature (Tg) (∼ 180°C) and a viscosity low enough for infiltration into dry reinforcements at 40°C was developed for the vacuum‐assisted resin transfer molding process. To study the curing behavior and viscosity, several blends were formulated using multifunctional resin, aromatic hardener, and reactive diluents. Effects of these components on the viscosity and Tg were investigated by thermomechanical analysis, dynamic scanning calorimetry, and rheometer. Experimental results showed that a liquid aromatic hardener and multifunctional epoxy resin should be used to decrease the viscosity to <1 Pa·s at 40°C. Moreover, the addition of a proper reactive diluent decreased the viscosity and simultaneously minimized the deterioration of Tg. Mechanical properties of the composite produced with the optimized blend were evaluated at both room‐temperature and high‐temperature conditions. According to the results, the composite showed comparable mechanical properties with that of the current commercial resin. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
Sprache
Englisch
Identifikatoren
ISSN: 0021-8995
eISSN: 1097-4628
DOI: 10.1002/app.38040
Titel-ID: cdi_proquest_journals_1242844935
Format
–
Schlagworte
Applied sciences
,
Exact sciences and technology
,
Forms of application and semi-finished materials
,
glass transition
,
Laminates
,
mechanical properties
,
Polymer industry, paints, wood
,
Technology of polymers
,
thermal properties
,
thermosets
,
viscosity
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