单词	polycarbonate
释义	polycarbonate /ˌpɒlɪˈkɑːbəneɪt / noun [mass noun] A synthetic resin in which the polymer units are linked through carbonate groups, including many moulding materials and films.Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.... Janos Hajito made his discovery by mixing fluorescent dyes with polycarbonate, a transparent polymer. The polycarbonate trademarked as Lexan is used in ‘bulletproof’ glass and in astronaut's helmets.
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