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H. Witak, T. Matynia


Synthesis and properties of fire-retardant brominated epoxyfumaric resins

Polimery 1995, No 3, 177


DOI: dx.doi.org/10.14314/polimery.1995.177

Summary

A simple method of synthesis of unsaturated brominated epoxyfumaric resins of reduced flammability consisting in addition of maleic acid monoester (formed in statu nascendi from maleic anhydride and a mixture of butanol and tribromoneopentyl alcohol) to epoxide resin and then by isomerization of maleic derivatives to fumaric derivatives was elaborated. The brominated alcohol was used as a reactive flame retardant. Two types of resins differing in brominated alcohol content were investigated. The properties of the uncured resins (viscosity, time of gelation, colour) and of the hardened resins (mechanical, termomechanical and termogravimetric properties, chemical resistance, combustibility parameters) were determined and compared with those of Polimal 160 resin, a Polish self-extinguishing polyester resin.


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