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Microwave curing of non-traditional polymer materials used in manufacture of injection moulds

Yarlagadda, Prasad K., Poh, Andre S. M., & Shu-Hau, Hsu (2011) Microwave curing of non-traditional polymer materials used in manufacture of injection moulds. Advanced Material Research, 338(2011), pp. 214-222.

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Abstract

Microwave heating technology is a cost-effective alternative way for heating and curing of used in polymer processing of various alternate materials. The work presented in this paper addresses the attempts made by the authors to study the glass transition temperature and curing of materials such as casting resins R2512, R2515 and laminating resin GPR 2516 in combination with two hardeners ADH 2403 and ADH 2409. The magnetron microwave generator used in this research is operating at a frequency of 2.45 GHz with a hollow rectangular waveguide. During this investigation it has been noted that microwave heated mould materials resulted with higher glass transition temperatures and better microstructure. It also noted that Microwave curing resulted in a shorter curing time to reach the maximum percentage cure. From this study it can be concluded that microwave technology can be efficiently and effectively used to cure new generation alternate polymer materials for manufacture of injection moulds in a rapid and efficient manner. Microwave curing resulted in a shorter curing time to reach the maximum percentage cure.

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ID Code: 45970
Item Type: Journal Article
Keywords: Microwave heating, Mould materials, Glass transition temperature, Epoxy resins
DOI: 10.4028/www.scientific.net/AMR.338.214
ISSN: 1022-6680
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000) > Manufacturing Processes and Technologies (excl. Textiles) (091006)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Deposited On: 15 Sep 2011 11:14
Last Modified: 15 Sep 2011 12:15

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