Process for the protection and aggregation of metal materials of

Details Process for the protection and aggregation of metal materials of Process for the protection and aggregation of metal materials of

1992-03-13

1993-11-30

McFarlane, Anthony

Coating processes

Restoring or repairing

Metal article

428421, 428463, 428341, B05C 1300, B32B 2700

Patent

active

052663515

ABSTRACT:
Surface portions of metal materials, in particular artifacts which are of interest from historical, artistic or archeological perspectives, are protected from atmospheric agents and pollutants, and are re-aggregated, by reversibly applying a protecting and aggregating material comprising a copolymer of vinylidene fluoride having 55-85 mol % of vinylidene fluoride, 10-45 mol % of hexafluoropropene and 0-30 mol % of tetrafluoroethylene. Such polymers are applied onto the surface to be protected as solutions in volatile solvents.

REFERENCES:
patent: 4487878 (1984-12-01), Vasta
World Patents Index Abstract No. AN85-126964 entitled "Restoration of Old Archeological and Museum Facrics Involves Using Copolymer of Vinylidenefluoride and Hexafluroropropylene as reinforcing Polymer" dated & page unavailable.
"Bononiachem 88", XVI Congresso Nazionale de Chimica, Bologna, Italy, Oct. 9-14, 1988, p. 272.
Scienza c Beni Culturali, Bressanone, Jun. 24-27, 1986, pp. 597-611.

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