Abstract

Synthesis and characterization of resoles and their blends with epoxy resin : a review

Author(s): Kavita Srivastava, Chandra Kumar, Deepak Srivastava, Santosh Kumar Tripathi

In view of outstanding properties of epoxy resins and their uses in many hi-tech applications, such as aerospace, marine coating, satellite communication, etc., the modification of various resoles with such resin will definitely provide better performance, including high temperature performance, improved toughness and flexibility and better electrical insulation resistance, and hence would lead to the development of number of new application areas. Therefore, in the present paper, the synthesis and characterization of resole-type phenolic resins based on phenol and different alkyl phenols, viz., o-, p-, and m-cresoles, separately, with formaldehyde and blended these resoles, separately, with diglycidyl ether bisphenol A (DGEBA) epoxy resin have been reviewed along with the effect of orientation of various phenols on various physico-chemical, -thermal and -mechanical characteristics of the blend systems.


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