Active unsaturated esters, method for the production thereof, and use of the same

A compound of formula (I)

• in which X represents a group that activates the α-carbonyl function;
• Y represents a linear or branched, saturated C6-C20 aliphatic radical, and
• Z represents a linear or branched, saturated or unsaturated C2-C10 aliphatic radical.

A method, for increasing the hydrophobic nature of polymers comprising amine functions comprising a step of reacting said amine functions with compound of formula (I) to form an amide bond.

A method for increasing the hydrophobic nature of polymers comprising hydroxyl functions by reacting said hydroxyl functions with compound of formula (I) to form an ester bond.

A method for modifying the reactivity of oligosaccharides by grafting compound of formula (I) onto at least one hydroxyl function of said sucrose via formation of an ester bond.

A support based on natural textile fibers comprising hydroxyl and/or amine functions onto which is grated at least one compound of formula (I) via formation of an ester and/or amide bond with said hydroxyl and/or amine functions of said support, with the exception of supports based on cellulose fibers.