A copolymer segment which is a block copolymer macro-monomer of Formula 1 for a thermoplastic polyurethane or polyurethaneurea elastomer material: wherein A 1 is an endcapping group, preferably the endcapping group is selected from the group consisting of hydroxyl and amine groups; A 2 is hydrogen or an endcapping group, preferably the endcapping group is selected from the group consisting of hydroxyl and amine groups; each Y 1 and Y 2 are independently selected from: a polysiloxane macrodiol, preferably a polydimethylsiloxane (PDMS) diol; polysiloxane macrodiamine; polyether macrodiol, preferably selected from the group consisting of: poly(hexamethylene oxide) (PHMO), poly(heptamethylene oxide), poly(octamethylene oxide) (POMO) and poly(decamethylene oxide) (PDMO); polycarbonate macrodiol; polyester macrodiol; and a polyhydrocarbon macrodiol, preferably selected from the group consisting of: poly(isobutylene)diol, poly(butadiene)diol and hydrogenated poly(butadiene diol); each L 1 and L 2 is a divalent linking group independently selected from urethane, urea and phosphonate; n is an integer of 1 to 5; t is an integer of 0 to 5, preferably t = 0; and Q is selected from a moiety of Formula A or Formula B: wherein R 1, R 2, R 3, and R 4, are each independently selected from hydrogen and an optionally substituted straight chain, branched or cyclic, saturated and unsaturated hydrocarbon radical; preferably R 1, R 2, R 3, and R 4, are each methyl; R 5 and R 6 are each independently selected from a straight chain, branched or cyclic, saturated and unsaturated hydrocarbon radical optionally interrupted with one or more heteroatoms independently selected from O, N and S; m is an integer of 2 to 50; or wherein X is a group selected from OC O, C O and O; q is an integer of 1 to 50; and r is an integer of 2 to 50, wherein optionally substituted means optionally substituted with one or more substituents independently selected from: oxygen, nitrogen, sulphur, alkyl, alkenyl, alkynyl, aryl, halo, haloalkyl, haloalkenyl, haloalkynyl, haloaryl, hydroxy, alkoxy, alkenyloxy, alkynyloxy, aryloxy, carboxy, benzyloxy, haloalkoxy, haloalkenyloxy, haloalkynyloxy, haloaryloxy, nitro, nitroalkyl, nitroalkenyl, nitroalkynyl, nitroaryl, nitroheterocyclyl, azido, amino, alkylamino, alkenylamino, alkynylamino, arylamino, benzylamino, acyl, alkenylacyl, alkynylacyl, arylacyl, acylamino, acyloxy, aldehydo, alkylsulphonyl, arylsulphonyl, alkylsulphonylamino, arylsulphonylamino, alkylsulphonyloxy, arylsulphonyloxy, heterocyclyl, heterocycloxy, heterocyclylamino, haloheterocyclyl, alkylsulphenyl, arylsulphenyl, carboalkoxy, carboaryloxy, mercapto, alkylthio, arylthio, and acylthio groups. A 1 is an endcapping group, preferably the endcapping group is selected from the group consisting of hydroxyl and amine groups; A 2 is hydrogen or an endcapping group, preferably the endcapping group is selected from the group consisting of hydroxyl and amine groups; each Y 1 and Y 2 are independently selected from: a polysiloxane macrodiol, preferably a polydimethylsiloxane (PDMS) diol; polysiloxane macrodiamine; polyether macrodiol, preferably selected from the group consisting of: poly(hexamethylene oxide) (PHMO), poly(heptamethylene oxide), poly(octamethylene oxide) (POMO) and poly(decamethylene oxide) (PDMO); polycarbonate macrodiol; polyester macrodiol; and a polyhydrocarbon macrodiol, preferably selected from the group consisting of: poly(isobutylene)diol, poly(butadiene)diol and hydrogenated poly(butadiene diol); each L 1 and L 2 is a divalent linking group independently selected from urethane, urea and phosphonate; n is an integer of 1 to 5; t is an integer of 0 to 5, preferably t = 0; and Q is selected from a moiety of Formula A or Formula B: wherein R 1, R 2, R 3, and R 4, are each independently selected from hydrogen and an optionally substituted straight chain, branched or cyclic, saturated and unsaturated hydrocarbon radical; preferably R 1, R 2, R 3, and R 4, are each methyl; R 5 and R 6 are each independently selected from a straight chain, branched or cyclic, saturated and unsaturated hydrocarbon radical optionally interrupted with one or more heteroatoms independently selected from O, N and S; m is an integer of 2 to 50; or wherein X is a group selected from OC O, C O and O; q is an integer of 1 to 50; and r is an integer of 2 to 50, R 1, R 2, R 3, and R 4, are each independently selected from hydrogen and an optionally substituted straight chain, branched or cyclic, saturated and unsaturated hydrocarbon radical; preferably R 1, R 2, R 3, and R 4, are each methyl; R 5 and R 6 are each independently selected from a straight chain, branched or cyclic, saturated and unsaturated hydrocarbon radical optionally interrupted with one or more heteroatoms independently selected from O, N and S; m is an integer of 2 to 50; or wherein X is a group selected from OC O, C O and O; q is an integer of 1 to 50; and r is an integer of 2 to 50, X is a group selected from OC O, C O and O; q is an integer of 1 to 50; and r is an integer of 2 to 50,