PMMA, polymethyl-methacrylate, is a thermoplastic acrylic linear polymer, the mer of which is illustrated in the diagram. PMMA is transparent, with a refractive index of 1.49, and easily formed into ...
A transparent thermoplastic, Polymethylmethacrylate (PMMA) is a possible lightweight, shatter-resistent substitute for glass. Often referred to as acrylic glass, PMMA is a synthetic polymer of the ...
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