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US 10,767,007 B2Granted
Polycarbonate resin, method for producing same, and optical lens
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsNoriyuki Kato, Mitsuteru Kondo, Kentaro Ishihara, Munenori Shiratake, Koji Hirose, Shinya Ikeda, Kensuke Oshima, Shuya Nagayama, Shoko Suzuki
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Abstract
The present invention provides a polycarbonate resin having a high refractive index, low Abbe number, and high moist heat resistance. The above problem, according to one embodiment, can be solved by a polycarbonate resin including structural units represented by general formula (1).
Claims8
A polycarbonate resin comprising a structural unit represented by general formula (1):
- wherein X represents a C1-4 alkylene group;
- and a and b each independently represent an integer of 1 to 10.
Dependencies are inferred from the claim text.