Greenblum & Bernstein, P.L.C.
Polycarbonate resin and optical lens
The present invention addresses the problem of providing a resin having a high Abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low Abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). In general formula (1), R represents H, CH3, or C2H5.
MITSUBISHI GAS CHEMICAL COMPANY, INC.
C G C G C C C G
C08J G02B C08G G02B C08L C08G C08L G02B
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Mitsuharu Noriyuki Takashi Manabu
Kitamura Kato Motoi Hirakawa