Flexural Strength of Phenol Formaldehyde Composites Post-Cured in Microwaves: Preliminary Results

Mohan Trada; Harry Ku; Jayant Vedhar

doi:10.4028/www.scientific.net/AMR.79-82.1399

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 79-82Flexural Strength of Phenol Formaldehyde...

Flexural Strength of Phenol Formaldehyde Composites Post-Cured in Microwaves: Preliminary Results

Abstract:

A commercial phenol formaldehyde based resole thermosetting resin supplied by Borden Chemical Australia Pty. was filled with ceramic-based fillers (Envirospheres or SLG) to increase its flexural strength. By performing flexural tests at a range of filler addition levels, the optimal addition level of SLG was able to be determined in terms of workability, cost and performance. The composites obtained were post-cured in conventional oven and in microwaves respectively. It was found that the maximum flexural strength of the microwave cured composites were only 5% lower than those cured in conventional oven when the percentage by weight of SLG was 24%. However, the time required for post-curing was also reduced from 10 hours (in conventional oven) to 40 minutes (in microwaves).

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Periodical:

Advanced Materials Research (Volumes 79-82)

Pages:

1399-1402

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.79-82.1399

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Online since:

August 2009

Authors:

Mohan Trada, Harry Ku, Jayant Vedhar

Keywords:

Envirospheres, Micro-Wave, Phenol Formaldehyde, Phenolic Resin, SLG, Viscosity

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