The transparency of polyurethane-poly(me
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D. Jehl; J.M. Widmaier; G.C. Meyer
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Article
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1983
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Elsevier Science
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English
β 285 KB
Various combinations of polyurethane (PUR) and poly(methyl methacrylate) (PMMA} were prepared as interpenetrating polymer networks (IPN) or semi-IPNs. In the latter, either the PUR or the PMMA component was crosslinked. The optical transmissions of these materials were measured as a function of the