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Síntese e Caracterização de elastômeros microcelulares de poliuretano
(2014-05-13)
In this work, three different microcellular polyurethanes elastomers (EMPU) based on 4,4-diphenylmethane diisocyanate (MDI) with different rigid phase contents were prepared (Formulations 1, 2 and 3 with 32, 35 and 42% of ...