Polymers obtained from: * monomer(s) derived from 1,4:3,6-dianhydrohexitol of formula I wherein: - R 1 is a radical: -Z 2 R 3, or -Z 1 H; with p = 0 or 1 and q = 0 or 1; - R 2 is a -Z 2 R 3 radical, the -Z 2 R 3 radicals being identical or different when R 1 and R 2 each correspond to -Z 2 R 3; - Z 1, Z 2 represent independently a divalent radical corresponding to: - R 3 is a divalent radical of formula: -X 2 -C≡Y; - -X 1 -, -X 2 - are independently covalent bonds or divalent balls formed by a (cyclo)aliphatic and/or aromatic group, either halogenated or not and containing or not containing heteroatoms, preferably a -(CH 2) n - group with n being between 1 and 100; - Y represents CH or N; said polymers being - either polymers of the AB type, characterised in that they respond to the following formula VI: wherein - y is the average degree of polymerisation, - x 1 and x 2 vary from 0 to 100% as a function of the presence (or not) of a catalyst and the type of catalyst, - n is between 1 and 100, - Y is CH or N, - Z is O, S or NH. - or polymers of the AA/BB type, characterised in that they respond to the following formula VII: wherein - w is the average degree of polymerisation, - v 1 and v 2 vary from 0 to 100% as a function of the presence (or not) of a catalyst and the type of catalyst, - n is between 1 and 100, - Y is CH or N, - Z is O, S or NH. * monomer(s) derived from 1,4:3,6-dianhydrohexitol of formula I wherein: - R 1 is a radical: -Z 2 R 3, or -Z 1 H; with p = 0 or 1 and q = 0 or 1; - R 2 is a -Z 2 R 3 radical, the -Z 2 R 3 radicals being identical or different when R 1 and R 2 each correspond to -Z 2 R 3; - Z 1, Z 2 represent independently a divalent radical corresponding to: - R 3 is a divalent radical of formula: -X 2 -C≡Y; - -X 1 -, -X 2 - are independently covalent bonds or divalent balls formed by a (cyclo)aliphatic and/or aromatic group, either halogenated or not and containing or not containing heteroatoms, preferably a -(CH 2) n - group with n being between 1 and 100; - Y represents CH or N; said polymers being - either polymers of the AB type, characterised in that they respond to the following formula VI: wherein - y is the average degree of polymerisation, - x 1 and x 2 vary from 0 to 100% as a function of the presence (or not) of a catalyst and the type of catalyst, - n is between 1 and 100, - Y is CH or N, - Z is O, S or NH. - R 1 is a radical: -Z 2 R 3, or -Z 1 H; - R 2 is a -Z 2 R 3 radical, the -Z 2 R 3 radicals being identical or different when R 1 and R 2 each correspond to -Z 2 R 3; - Z 1, Z 2 represent independently a divalent radical corresponding to: - R 3 is a divalent radical of formula: -X 2 -C≡Y; - -X 1 -, -X 2 - are independently covalent bonds or divalent balls formed by a (cyclo)aliphatic and/or aromatic group, either halogenated or not and containing or not containing heteroatoms, preferably a -(CH 2) n - group with n being between 1 and 100; - Y represents CH or N; said polymers being - either polymers of the AB type, characterised in that they respond to the following formula VI: - y is the average degree of polymerisation, - x 1 and x 2 vary from 0 to 100% as a function of the presence (or not) of a catalyst and the type of catalyst, - n is between 1 and 100, - Y is CH or N, - Z is O, S or NH. - or polymers of the AA/BB type, characterised in that they respond to the following formula VII: wherein - w is the average degree of polymerisation, - v 1 and v 2 vary from 0 to 100% as a function of the presence (or not) of a catalyst and the type of catalyst, - n is between 1 and 100, - Y is CH or N, - Z is O, S or NH. - w is the average degree of polymerisation, - v 1 and v 2 vary from 0 to 100% as a function of the presence (or not) of a catalyst and the type of catalyst, - n is between 1 and 100, - Y is CH or N, - Z is O, S or NH.