Optical elements comprising fluorochemical surface treatment

Details Optical elements comprising fluorochemical surface treatment Optical elements comprising fluorochemical surface treatment

2005-06-14

2005-06-14

Jackson, Monique R. (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

C428S144000, C428S422000, C428S403000, C428S406000, C428S323000, C428S325000, C428S327000, C359S453000, C523S200000

Reexamination Certificate

active

06905754

ABSTRACT:
The present invention relates to optical elements comprising fluorochemical surface treatments having the general structure Rf-[G]m(CH2)n—X wherein Rf is a fluorinated alkyl group, G is a divalent linking group selected from oxygen (—O—) and sulfonamido (—SO2R—), m is an integer ranging from 0 to 1, n is an integer ranging from 1 to 24, and X is polar group or polar group containing radical. The invention further relates to materials such as retroreflective sheetings, pavement markings and beaded projection screens comprising a binder and the surface treated optical elements.

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