Copolymer coating compositions

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 296TA, 260 296E, 260 296MH, C08L 2708

Patent

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039741184

ABSTRACT:
A method for the manufacture of a copolymer coating composition comprises copolymerizing two or more copolymerizable monomers in dispersion in an aqueous medium in the presence of a surfactant to provide a dispersion of the copolymer containing between 30% and 70% by weight of solids then adding the copolymer dispersion with agitation to a sufficient amount of a volatile organic solvent for the copolymer to provide a water-in-solvent emulsion containing between 10% and 25% by weight of copolymer.
Substrates coated with the copolymer coating compositions are also disclosed.

REFERENCES:
patent: 2467352 (1949-04-01), Williams
patent: 2606164 (1952-08-01), Henson
patent: 2990391 (1961-06-01), Grantham
patent: 3219607 (1965-11-01), Perronin
patent: 3668163 (1972-06-01), Rapp
patent: 3716511 (1973-02-01), Haskell
patent: 3734867 (1973-05-01), Will
patent: 3826771 (1974-07-01), Anderson
patent: 3832321 (1974-08-01), Corey
patent: 3843579 (1974-10-01), Eanzel

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