ADHESIVE TWO-COMPONENT COMPOSITION BASED ON ITACONATE MONOMER

1 - 15 . (canceled)

16 . A two-component adhesive composition comprising:

a component A comprising:

at least one polyurethane P comprising at least two (meth)acrylate end functions;

at least one reducing agent; and

at least one itaconate monomer of following formula (I):

wherein each of R 1 and R 2 represents, independently of one another, organic radicals;

at least one core-shell impact modifier; and

a component B comprising:

at least one oxidizing agent; and

optionally at least one (meth)acrylate monomer M1.

17 . The adhesive composition as claimed in claim 16 , characterized in that the Brookfield viscosity at 23° C. ranges from 20 000 mPa·s to 150 000 mPa·s.

18 . The adhesive composition as claimed in claim 16 , characterized in that, in formula (I), each of R 1 and R 2 represents, independently of one another, an alkyl, an alkenyl, a cycloalkyl, a heterocycloalkyl, an aryl, a heteroaryl, an arylalkyl, a heteroarylalkyl, an alkylheteroaryl, or an alkylheterocycloalkyl, said groups possibly being substituted.

19 . The adhesive composition as claimed in claim 16 , characterized in that each of R 1 and R 2 represents, independently of one another, a C 1 -C 15 alkyl, C 2 -C 15 alkenyl, halo(C 1 -Cis)alkyl, C 3 -C 12 cycloalkyl or halo(C 3 -C 12 )cycloalkyl group, a heterocycle, an aryl, a heteroaryl, or an alkoxy(C 1 -Cis)alkyl, each of which may optionally be substituted by at least one of the following radicals: C 1 -C 15 alkyl, halo(C 1 -C 15 alkyl), C 3-12 cycloalkyl, halo(C 3 -C 12 cycloalkyl), heterocycle, aryl, heteroaryl, C 1 -C 15 alkoxy, C 1 -C 15 alkylthio, halo, hydroxyl, nitro, azido, cyano, acyloxy, carboxy or ester.

20 . The adhesive composition as claimed in claim 16 , characterized in that the itaconate of formula (I) is selected from the group consisting of dimethyl itaconate, diethyl itaconate, di-n-butyl itaconate, di-isobutyl itaconate, dicyclohexyl itaconate, bis(hexafluoroisopropyl) itaconate, diphenyl itaconate, dibenzyl itaconate, ethylisobornyl itaconate, ethylcyclohexyl itaconate, and mixtures thereof.

21 . The adhesive composition as claimed in claim 16 , characterized in that the total content of itaconate monomer(s) of formula (I) in the component A is greater than 40% by weight, relative to the total weight of the component A.

22 . The adhesive composition as claimed in claim 16 , characterized in that the polyurethane P has a number-average molecular weight (Mn) greater than or equal to 700 g/mol.

23 . The adhesive composition as claimed in claim 16 , characterized in that the polyurethane P comprises at least three (meth)acrylate functions.

24 . The composition as claimed in claim 16 , characterized in that the total content of polyurethane(s) P in the component A is less than or equal to 50% by weight relative to the total weight of the component A.

25 . The composition as claimed in claim 16 , characterized in that the component A comprises a polyurethane P1 comprising two (meth)acrylate end functions and a polyurethane P2 (different than P1) comprising more than two (meth)acrylate end functions.

26 . The composition as claimed in claim 16 , characterized in that the core of the core-shell impact modifier comprises a polymer L1 selected from the group consisting of isoprene homopolymers, butadiene homopolymers, copolymers of isoprene-butadiene, copolymers of isoprene with a vinyl monomer, and copolymers of butadiene with a vinyl monomer.

27 . The composition as claimed in claim 16 , characterized in that the shell of the core-shell impact modifier comprises a polymer L2 obtained from (meth)acrylic monomers.

28 . The composition as claimed in claim 16 , characterized in that the component A/component B volume ratio in the composition of the invention ranges from 20/1 to 1/1.

29 . A ready-for-use kit comprising both the component A as defined in claim 16 and the component B as defined in claim 16 , packaged in two separate compartments.