COMPATIBLE MIXTURE OF VINYL ACETATE-ETHYLENE COPOLYMER WITH COPOLYMER OF ACRYLIC ACID OR MALEIC ANHYDRIDE

Polymeric compositions are disclosed containing miscible blends of copolymers, one of which is a vinyl acetate/ethylene copolymer containing about 5 to 30 weight percent ethylene and the other is a copolymer of either acrylic acid or a maleic anhydride with a comonomer selected from styrene, ethyl a...

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Hauptverfasser:	ROIDO MAARON ROUBUSON, RICHIYAADO HENRII BOTSUTO, KAJIETAN FURANSHISU KOODEIRO, JIEFURII ARAN KUFUARU, SHIYUEE CHII RII
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Polymeric compositions are disclosed containing miscible blends of copolymers, one of which is a vinyl acetate/ethylene copolymer containing about 5 to 30 weight percent ethylene and the other is a copolymer of either acrylic acid or a maleic anhydride with a comonomer selected from styrene, ethyl acrylate, n-butyl acrylate and 2-ethylhexyl acrylate. Windows of miscibility for each of the copolymer blends have been defined and the blends can be advantageously formed by polymerizing the acrylic acid copolymer in the presence of an emulsion of the vinyl acetate/ethylene copolymer in such a way that the polymerization takes place in the suspended vinyl acetate/ethylene copolymer rather than in the aqueous phase.