Studies on the Properties of Glass-Reinforced Polyurethane Composites and Thick Films

Abstract

Thick films and glass-reinforced composites of the totuene 2,4-diisocyanate-based urethane derivative of the acrylated diglycidylether of bisphenol-A were prepared using various amines such as hexamethylene diamine (HMDA), 4,4'-methylene bis(2-chloroaniline) (MOCA), benzidine (Bz) and diaminodiphenylmethane (DDM) as curing agents. The characterization of these laminates and thick films included mechanical properties, dielectric properties and chemical resistance properties. It was observed that neat resin casts and laminates behaved as very good insulating materials and showed good resistance towards chemicals.

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