Process for the protection of stony or coating surfaces

Details Process for the protection of stony or coating surfaces Process for the protection of stony or coating surfaces

1996-04-26

1999-09-07

Gulakowski, Randy

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273855, 528401, 528402, B05D 302

Patent

active

059484780

ABSTRACT:
A method of protecting objects from graffiti using fluorinated polymers based on fluoropolyethers in a dry formulation wherein the fluorinated polymer includes a fluorinated part R.sub.F and optionally an hydrogenated part R.sub.H not containing groups capable of linking to basic acceptors by means of hydrogen bonds, the bonds linking the fluorinated part, derived from (per)fluoropolyethers, to the hydrogenated part being of simple C--O ether type, the T' terminal groups being such as to render the structure bi- or polyfunctional thus making possible the curing reaction, and subsequent curing of the fluorinated polymer.

REFERENCES:
patent: 2242218 (1941-05-01), Auer
patent: 3665041 (1972-05-01), Sianesi et al.
patent: 3715378 (1973-02-01), Sianesi et al.
patent: 3810874 (1974-05-01), Mitsch et al.
patent: 4478975 (1984-10-01), Dessaint et al.
Trends in Polymer Science, "Developments in Fluoropolymer Coatings", Scheirs et al., vol. 3, No. 3, Mar. 1995, UK, pp. 74-82.
Chemical Abstracts, 123:343487v, "Fluorinated Resins For Low Solvent Paints", Locapsi et al., vol. 123, No. 26, Dec. 25, 1995.
Angewandte Makromolekulare Chemie, "Synthesis and Characterization of Low-Viscosity Fluoropolyether-Based Segmented Oligomers", Scicchitano et al., vol. 231, No. 4000, Sep. 1995, pp. 47-60.

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