Fluoropolymer low reflecting layers for plastic lenses and...

Details Fluoropolymer low reflecting layers for plastic lenses and... Fluoropolymer low reflecting layers for plastic lenses and...

2007-11-20

2007-11-20

Zacharia, Ramsey (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C428S411100, C428S412000, C428S421000, C428S426000, C428S480000, C428S522000

Reexamination Certificate

active

10355202

ABSTRACT:
A one or two layer coating system has been developed for plastic substrates. The one coating system low reflective layer consists of a fluorinated copolymer having the formula: VF2/TFE/HFP, VF2/HFP or VF2/TFE/PMVE. In the two coating system, the upper coating layer consists of TFE/HFP, VF2/TFE/HFP, or TFE/Perfluorodioxole, and the lower coating layer consists of VF2/TFE/HFP, VF/TFE/HFP, VAc/TFE/HFIB, or TFE graft to PVOH.

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