Isosorbide containing polyesters and methods for making same

Details Isosorbide containing polyesters and methods for making same Isosorbide containing polyesters and methods for making same

C - Chemistry, Metallurgy

08

G

C08G 63/672 (2006.01) B29D 7/01 (2006.01) C08G 63/80 (2006.01) D01F 6/36 (2006.01)

Patent

CA 2328608

A polyester polymer and method for making the polyester, wherein the polyester is prepared by (1) combining in a reactor a monomer containing a diacid moiety; a monomer comprising a diol moiety; and a monomer containing an isosorbide moiety; with a condensation catalyst suitable for condensing aromatic diacids and diols; and (2) heating the monomers and catalyst to polymerize the monomers to yield a polyester having an inherent viscosity of at least about 0.15 dL/g.

L'invention concerne un polymère de polyester et un procédé de fabrication de ce polyester. Pour préparer le polyester, (1) on combine, dans un réacteur, un monomère contenant une fraction diacide, un monomère contenant une fraction diol et un monomère contenant une fraction isosorbide avec un catalyseur de condensation approprié aux diols et aux diacides aromatiques en voie de condensation; (2) on chauffe ensuite ces monomères et ce catalyseur, de façon à polymériser les monomères pour obtenir un polyester présentant une viscosité inhérente d'au moins 0,15 dl/g environ.

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