Aqueous polymer compositions containing glycerol esters as...

C - Chemistry – Metallurgy – 08 – K

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C08K 5/103 (2006.01) C08J 3/18 (2006.01) C08L 101/00 (2006.01)

Patent

CA 2753907

Aqueous polymer dispersions are provided that include plasticizers that include mono-, di- and triesters of glycerol. The aqueous polymer dispersions have enhanced film-forming properties and are useful as aqueous coatings, sealants, adhesives, polishes, films and inks. The plasticizers may be used with any of the organic polymers conventionally used in aqueous film-forming compositions, including polyvinyl acetate, copolymers of vinyl acetate with ethylene or other olefins, acrylic polymers, acrylic/styrene copolymers, polyesters, polyurethanes, elastomeric styrene/butadiene copolymers and neoprene and are compatible with other plasticizers and coalescents.

La présente invention concerne des dispersions polymères aqueuses qui comprennent des plastifiants comprenant des mono-, di- et triesters de glycérol. Les dispersions polymères aqueuses ont des propriétés filmogènes améliorées et sont utiles en tant que revêtements aqueux, produits d'étanchéité, adhésifs, produits à polir, films et encres. Les plastifiants peuvent être utilisés avec l'un quelconque des polymères organiques conventionnellement utilisés dans les compositions filmogènes aqueuses, y compris l'acétate de polyvinyle, les copolymères d'acétate de vinyle avec de l'éthylène ou autres oléfines, les polymères acryliques, les copolymères acrylique/styrène, les polyesters, les polyuréthanes, les copolymères styrène/butadiène élastomériques et le néoprène et sont compatibles avec d'autres plastifiants et agents de coalescence.

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