Polysaccharide esters and their use as binders in coatings

Details Polysaccharide esters and their use as binders in coatings Polysaccharide esters and their use as binders in coatings

C - Chemistry, Metallurgy

08

B

C08B 37/18 (2006.01) C08B 37/00 (2006.01) C08G 63/00 (2006.01) C08G 63/78 (2006.01) C09D 5/00 (2006.01) C09D 105/00 (2006.01)

Patent

CA 2474599

The invention relates to a polyester obtainable by transesterification or interesterification of: (i) inulin of general formula G(F)n or an acyl ester thereof, wherein G represents a glucose moiety, F represents a fructose moiety, and n is at least 2, and (ii) a drying oil, a semi-drying oil or derived alkyl esters thereof. The invention further relates to a method for the preparation of a polyester comprising the step of transesterification or interesterification.

La présente invention concerne un polyester pouvant être obtenu par transestérification ou interestérification: (i) d'inuline représentée par la formule générale G(F)¿n?, ou un ester acylique de celle-ci, G représentant un fragment de glucose, F représentant un fragment de fructose, et n étant au moins égal à 2, et (ii) d'une huile siccative, d'une huile semi-siccative ou d'esters alkyliques de celle-ci. La présente invention concerne également un procédé permettant de préparer un polyester comprenant l'étape de transestérification ou d'interestérification.

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