COMPOSITION COMPRISING A SILYLATED POLYMER

1 - 14 . (canceled)

15 . A composition comprising:

a silyl-modified polymer,

carbon black having an oil absorption number (OAN) of at least 80 ml/100 g, and

a rheological agent.

16 . The composition as claimed in claim 15 , wherein the silyl-modified polymer comprises at least one alkoxysilane group of formula (I):

wherein:

R 4 represents a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, and when p is equal to 2, the R 4 radicals are identical or different,

R 5 represents a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, and when p is equal to 0 or 1, the R 5 radicals are identical or different, it being possible for two OR 5 groups to be inserted in the same ring, and

p is an integer equal to 0, 1 or 2.

17 . The composition as claimed in claim 15 , wherein the silyl-modified polymer is of formula (II), (III) or (IV):

wherein:

R 4 , R 5 , and p have the same meaning as in formula (I) described above,

P represents a saturated or unsaturated polymer radical, with a linear or branched open chain, or comprising one or more optionally aromatic rings, optionally comprising one or more heteroatoms, and optionally comprising one or more ionic groups,

R 1 represents a saturated or unsaturated divalent hydrocarbon radical comprising from 5 to 15 carbon atoms, with a linear or branched open chain, or comprising one or more optionally aromatic rings,

R 3 represents a linear or branched divalent alkylene radical comprising from 1 to 6 carbon atoms,

X represents a divalent radical chosen from —NH—, —NR 7 — or —S—,

R 7 represents a linear or branched alkyl radical comprising from 1 to 20 carbon atoms and which may also comprise one or more heteroatoms,

f is an integer ranging from 1 to 6.

18 . The composition as claimed in claim 17 , wherein the silyl-modified polymer is of formula (II′), (II″), (III′) or (IV′):

wherein:

R 1 , R 3 , R 4 , R 5 , X, R 7 and p have the same meaning as in formulae (II), (III) and (IV),

R 2 represents a linear or branched, saturated or unsaturated divalent hydrocarbon radical optionally comprising one or more heteroatoms, and optionally comprising one or more ionic groups,

n is an integer such that the number-average molar mass of the silyl-modified polymer is between 500 g/mol and 70000 g/mol.

19 . The composition as claimed in claim 18 , wherein the silyl-modified polymer is a polymer of formula (III′) and wherein:

R 2 represents an iso-propylene radical,

R 4 and R 5 each represent a methyl radical, and

p is equal to 1.

20 . The composition as claimed in claim 15 , wherein the carbon black content is at least 2% by weight relative to the total weight of the composition.

21 . The composition as claimed in claim 15 , wherein the rheological agent is one or more thixotropic agents.

22 . The composition as claimed in claim 15 , wherein the rheological agent is an amide wax and/or a wax derived from castor oil.

23 . The composition as claimed in claim 15 , further comprising at least one adhesion promoter chosen from amino-, mercapto- and epoxy-alkoxysilanes.

24 . The composition as claimed in claim 23 , wherein the at least one adhesion promoter is a mixture of at least two adhesion promoters.

25 . The composition as claimed in claim 24 , wherein the at least one adhesion promoter is a mixture of two adhesion promoters chosen from 4-amino-3,3-dimethylbutyltrimethoxysilane, (3-aminopropyl)trimethoxysilane, and n-butyl-3-aminopropyltrimethoxysilane.

26 . A process for assembling two substrates by adhesive bonding, comprising:

the coating, onto at least one of the two substrates to be assembled, of the composition as claimed in claim 15 ; then

actually bringing the two substrates into contact.

27 . An article capable of being obtained according to the assembly process of claim

26 .

28 . A sealant comprising the composition as claimed in claim 15 .