Use of perfluoropolyether emulsions for protecting stony materia

Details Use of perfluoropolyether emulsions for protecting stony materia Use of perfluoropolyether emulsions for protecting stony materia

1989-04-07

1990-11-06

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

428422, 428540, B05D 302

Patent

active

049685376

ABSTRACT:
Protecting marble, stone, tiles, cement and analogous materials, utilized in the building industry, from the action of atmospheric agents and pollutants, by applying to the surface of the material an emulsion of perfluoropolyethers, optionally having at one end or at both ends or in the chain functional groups capable of acting as anchoring agents to the substrate.

REFERENCES:
patent: 4499146 (1985-02-01), Piacenti et al.
patent: 4745009 (1988-05-01), Piacenti et al.
patent: 4746550 (1988-05-01), Stepparola et al.

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