Patent ID: 7759452

Claim:
An adhesive, sealant or coating composition comprising: i) the functional dialkyl aspartate according to the formula wherein R 1 and R 2 are independently C 1 -C 8 linear, branched or cyclic alkyl, each occurrence of R 3 is independently selected from H, C 1 -C 20 linear, branched, or cyclic alkyl, aryl, alkaryl or aralkyl, Y is a linking group selected from the group consisting of —O—, —S—, —NR 5 —, —O—P(O) 2 —O—, —P(O) 2 —O—, —S(O) 2 —O—, a group resulting from the removal of an acidic hydrogen from a carbon that is positioned adjacent to one or more electron withdrawing groups according to one of the formulas wherein R 5 is H or C 1 -C 3 linear or branched alkyl, W 1 is an electron withdrawing group selected from the group consisting of nitrile, R 11 —CO—, nitro, carboxylic acids and their corresponding salts, C 1 -C 24 linear, branched or cyclic alkyl, alkenyl, aryl, alkaryl, or aralkyl esters of carboxylic acids, and C 1 -C 24 linear, branched or cyclic alkyl sulfonyl, W 2 is a ketone, R 11 is selected from H, —OH, C 1 -C 24 , linear, branched or cyclic alkyl, aryl, alkaryl, or aralkyl, which may contain one or more hetero atoms selected from O, S, and/or N, R 12 is C 1 -C 24 linear, branched or cyclic alkylene arylene, alkarylene, or aralkylene, which may contain one or more hetero atoms selected from O, S, and/or N, and R 4 is a linking group selected from the group consisting of C 1 -C 24 linear, branched or cyclic alkylene, arylene, alkarylene, or aralkylene, —(—[CHR 7 —] n —(O—)p—R 8 —, wherein R 7 is C 1 -C 3 linear or branched alkyl or alkylol, n is 1 to 4, and p is 1 to 1,000, wherein q is 1 to 1,000, and each occurrence of R 8 is independently selected from C 1 -C 24 linear, branched or cyclic alkylene, alkenylene, arylene, alkarylene, or aralkylene, optionally including substituent hydroxyl, carboxylic acid, or C 1 -C 8 linear, branched or cyclic carboxylic acid ester groups, wherein r is 1 to 10,000, R 9 is C 1 -C 3 linear or branched alkyl, X is —OR 10 or —NR 5 2 , where R 5 is as defined above, R 10 is H or C 1 -C 24 linear, branched or cyclic alkyl, aryl, alkaryl, and aralkyl, and combinations thereof, and Z is selected from the group consisting of —H, —OR 10 , —R 4 —OR 10 , —NR 5 2 , —R 4 —NR 5 2 , —SH, —R 4 —SH, ii) an isocyanate functional material.