Resins of natural origin derived from vegetable oil and from...

Details Resins of natural origin derived from vegetable oil and from... Resins of natural origin derived from vegetable oil and from...

C - Chemistry, Metallurgy

08

G

C08G 63/06 (2006.01) C08G 63/78 (2006.01) C08L 67/04 (2006.01)

Patent

CA 2668797

The present invention relates to an organic resin derived from a naturally occurring oil or fat comprising monoglycerides and/or diglycerides, esterified with a poly(hydroxy acid) having the following formula: (see above formula) wherein R1 is a saturated or unsaturated, aliphatic hydrocarbon chain comprising from 6 to 32 carbon atoms; R2 is a hydrogen atom, a -COR4 group, where R4 is defined according to the same definition as R1 or a poly(hydroxy acid) esterified group; the poly(hydroxy acid) group corresponding to [hydroxy acid]n-CO-X-OH is a linear or a branched chain, obtained by condensating hydroxy acid monomers that are the same or different ; depending on the nature of the hydroxy acid, X = -CH2, -CHR, where R is an alkyl group having from 1 to carbon atoms and comprising from 0 to 5 hydroxyl function(s); and n is the number of hydroxy acid units that are the same or different and does range from 3 to 2000.

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