The Preparation and Ballistic Evaluation of Transparent Polyurethane Block Copolymers Based on 2,4-Toluene Diisocyanate,
ARMY MATERIALS AND MECHANICS RESEARCH CENTER WATERTOWN MASS
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The report describes synthesis and ballistic performance of a polyurethane block copolymer for transparent armor. It was formulated from 2,4-toluene diisocyanate, polytetramethylene oxide, and 1,4-butanediol. Curing parameters and composition are discussed with regard to ballistic performance.