Process for protecting and consolidating stone materials

Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers

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4273855, 4273936, 428422, 428540, B32B 2700, B05D 302

Patent

active

047644311

ABSTRACT:
The surface of stone materials, of tiles, of cement mixes and articles and structures manufactured therefrom are protected against atmospheric and polluting agents by superficially applying a protecting material consisting of a vinylidene fluoride polymer or copolymer comprising 55-100% by moles of vinylidene fluoride, 0-5% by moles of propene hexafluoride and 0-30% by moles of tetrafluoroethylene. Such polymers or copolymers are applied to the surface to be protected in the form of a solution in volatile solvents.

REFERENCES:
patent: 2635093 (1953-04-01), Miller et al.
patent: 3988187 (1976-10-01), Witt et al.
patent: 4022742 (1977-05-01), Yoshimura et al.
patent: 4347268 (1982-08-01), Close
patent: 4495248 (1985-01-01), Vasta

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