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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > April  >
Laboratory Experiments
Curing of Unsaturated Polyester: Network Formation
R. F. Toorkey, K. C. Rajanna, and P. K. Sai Prakash
Osmania University, Hyderabad-500 007, India
Cover
April 1996
Vol. 73 No. 4
p. 372
Abstract
Unsaturated polyester resins in styrene as comonomer solvent gels to a thermoset stageby network formation due to free radicals produced by the redox reaction between cobalt octoate (promoter) and methyl ethyl ketone peroxide (MEKP) as initiator. Gel times can be reduced or enhanced by the use of N,N-Dimethyl aniline (DMA) or pyridine respectively. The technique of hand lay-up for producing glass reinforced fiber (GRF) is described.
More Information
*  Citation
 Toorkey, R. F.; Rajanna, K. C.; Prakash, P. K. Sai. J. Chem. Educ. 1996 73 372.
*  Keywords
*  History
 Created:
Last Updated:		 9/23/1999
5/22/2006
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