Patent ID: 7345131

Claim:
A neat polymer, neat polymer blend, or solution of the neat polymer, comprising a linear copolymer, crosslinkable in the presence of moisture, comprising moieties A, B, and C of the formula (I): (A) a (B) b (C) c (I) in which (A) has the formula (II): —[NH-Z-NH—CO—ND-Y—SiR 2 —(O—SiR 2 ) r —O—SiR 2 —Y—ND-CO]— (II) (B) has the formula (III): —[NH-Z-NH—CO-ND-Y—Si(OR 1 ) o R 2-o —(O—SiR 2 ) n —O—Si(OR 1 ) o R 2-o —Y—ND-CO]— (III) (C) has the formula (IV): —[NH-Z-NH—CO-E-X-E-CO]— (IV) where X is an alkylene radical having 1 to 700 carbon atoms which is optionally substituted by fluorine, chlorine, C 1 -C 6 -alkyl or C 1 -C 6 -alkyl ester and in which nonadjacent methylene units are optionally replaced by —O—, —COO—, —OCO—, or —OCOO—, or is a C 6-22 arylene radical, Y is a C 1-20 alkylene radical in which nonadjacent methylene units are optionally replaced by —O—, or is a C 6-22 arylene radical, Z is a divalent C 1-20 hydrocarbon radical optionally substituted by fluorine or chlorine, D is hydrogen, a substituted or unsubstituted hydrocarbon radical or a radical R 2 Si—X—NH 2 , E is an oxygen atom or an amino group —NR 2 —, R is a monovalent C 1-20 hydrocarbon radical optionally substituted by fluorine or chlorine, R 1 together with O is a hydroxyl group or a hydrolyzable group, wherein R 1 is selected from the group consisting of hydrogen, monovalent C 1-20 hydrocarbon radicals optionally substituted by fluorine or chlorine, —(C═O)—R, and —N═CRR 3 , R 2 is hydrogen, a C 1-10 alkyl radical, or a C 6-22 aryl radical, R 3 is a monovalent C 1-20 hydrocarbon radical which is optionally substituted by fluorine or chlorine, n is from 1 to 4000, r is from 1 to 4000, o is 1 or 2, a is at least 0, b is greater than 0, and c is at least 0, with the proviso that the individual blocks (A), (B), and (C) can be randomly distributed, and wherein the copolymer is terminated by end units selected from the group consisting of a residue of a reactant H—ND-Y—Si(OR 1 ) o R 2-o —(O—SiR 2n —O—Si(OR 1 ) o R 2-o —Y—ND-H (V); OCN-Z-NCO, polyisocyanates, and blocked analogues thereof (VI); reaction products of a dihydroxy compound with excess diisocyanate; H—ND-Y—SiR 2 —(O—SiR 2 ) r —O—SiR 2 —Y—ND-H (VII); H-E-X-E-H (VIII); diamines; and mixtures thereof, and an organic solvent when in the form of a solution.