COATING COMPOSITIONS FOR BITUMINOUS MATERIALS

A latex emulsion may include an aqueous carrier liquid, a first (meth)acrylic copolymer or stage exhibiting a measured glass transition temperature between about −15° C. and about −50° C., and a second (meth)acrylic copolymer or stage exhibiting a measured glass transition temperature between about...

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Bibliographische Detailangaben
Hauptverfasser:	CRENSHAW, Brent, BULICK, Allen, FRAZEE, Glenn, SANDOVAL, Robert, HIBBEN, Mary Jane
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A latex emulsion may include an aqueous carrier liquid, a first (meth)acrylic copolymer or stage exhibiting a measured glass transition temperature between about −15° C. and about −50° C., and a second (meth)acrylic copolymer or stage exhibiting a measured glass transition temperature between about −10° C. and about 20° C. The first and second (meth)acrylic copolymers or stages may include less than about 20 weight percent styrene, if any, based on the total weight of emulsion polymerized ethylenically unsaturated monomers in the first and second (meth)acrylic copolymers or stages. The latex emulsion may be formulated into an aqueous coating composition and be used as a cool roof coating for bituminous materials, such as bituminous roof materials.