Copolyesters having improved retained adhesion

Details Copolyesters having improved retained adhesion Copolyesters having improved retained adhesion

C - Chemistry, Metallurgy

08

G

C08G 63/00 (2006.01) C08G 63/181 (2006.01) C08G 63/64 (2006.01) C08G 63/695 (2006.01) C08G 63/78 (2006.01) C09D 167/00 (2006.01) C09D 167/02 (2006.01) C09J 167/00 (2006.01) C09J 167/02 (2006.01)

Patent

CA 2377950

The present invention provides copolyester compositions and novel methods employing such compositions. The copolymer compositions comprise a copolyester containing a low polarity block in the copolyester backbone, thereby resulting in adhesive and coating materials that exhibit improved flow and wettability and superior initial adhesion and retained adhesion to various substrates.

L'invention concerne des compositions copolyesters et des nouveaux procédés utilisant ces compositions. Les compositions copolymères comprennent un copolyester contenant une séquence à faible polarité dans le squelette copolyester, ce qui permet d'obtenir des matériaux adhésifs et enrobants présentant un écoulement et une mouillabilité améliorés ainsi qu'une meilleure adhérence de départ et une meilleure adhérence prolongée sur divers substrats.

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