Process for producing plastic lens comprising a primer layer, a hard coat layer and an antireflection coating
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United States of America Patent
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-
Dec 2, 1997
Grant Date -
N/A
app pub date -
Aug 16, 1995
filing date -
Jun 20, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for producing a plastic lens is disclosed, which comprises the steps of: providing a primer layer comprising a polyurethane on the surface of a plastic lens substrate; subsequently providing a hard coat layer comprising a silicone resin on the surface of the primer layer; and then providing a single-layer or multi-layer anti-reflection coating on the surface of the hard coat layer by depositing an inorganic material, wherein the polyurethane used for providing the primer layer is a thermosetting polyurethane.
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