Plastic polarized lens and method of producing the same
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United States of America Patent
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May 26, 2020
Grant Date -
Jun 6, 2019
app pub date -
Jan 24, 2019
filing date -
Mar 6, 2012
priority date (Note) -
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Abstract
A plastic polarized lens including a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from polybutadiene having a hydroxyl group on the terminal and a structural unit derived from diphenylmethane diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a defined thiourethane-based resin, which is formed over at least the coat layer. A method of producing a plastic polarized lens, a urethane-based resin-coated polarized film and a method of producing a urethane-based resin-coated polarized film are also provided.
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