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US 2017/0363783 A1Published application
Retroreflective elements with a monolayer-forming compound
Assignee3M Innovative Properties Company
InventorJames E. GARBE
Life of this patent
Estimating the term…
Abstract
The present disclosure generally relates to retroreflective elements having a mono-layer forming compound, articles (including, for example, retroreflective roadway paints) including these retroreflective elements, and methods of making and using these retroreflective elements. Some embodiments relate to a retroreflective element, comprising: a core; a plurality of glass beads adjacent to the core; and a monolayer-forming organic compound.
Claims21
1-43. (canceled)
A retroreflective element, comprising:
- a core;
- a plurality of glass beads adjacent to the core;
- and
- a monolayer-forming organic compound.
1 more element
A retroreflective element, comprising:
- a core;
- a plurality of glass beads adjacent to the core;
- and
- a monolayer-forming organic compound;
- wherein the monolayer-forming organic compound has the formula:
- wherein:
- R1 is a straight chain alkylene group having from 7 to 21 carbon atoms, wherein a methylene moiety may be replaced by an oxygen atom at a single site, or at multiple sites along the methylene chain;
- R2 is a perfluoroalkyl group having from 4 to 10 carbon atoms;
- R3 is hydrogen, an alkali metal cation, or an alkyl group having from 1 to 6 carbon atoms;
- and
- M is hydrogen or an alkali metal cation.
8 more elements
Dependencies are inferred from the claim text.