Durable coating compositions containing novel aspartic amine compounds

A coating composition comprising

• Component A comprising a polyisocyanate crosslinking agent;
• and
• Component B comprising an isocyanate-reactive component having at least one compound having the following formula:
• wherein
• X can be independently O or N;
• when X equals O, n equals 1 and when X equals N, n equals 2;
• wherein
• R1 is independently selected from H, a C1 to C20 linear or branched alkyl group, a C5 to C16 cycloaliphatic group, a phenyl group, a C6 to C20 aryl group substituted with a C1 to C12 alkyl group,
• wherein
• m on average equals 1, 2 or 3,
• wherein R2 comprises a compound having the following formula (V)
• wherein
• k equals 0, 1 or 2 and, when k equals 1 or 2, the additional bridging CH2 group(s) may be on the same or opposite side with respect to the first bridging CH2 group;
• B equals (—(CH2)t—(CH)—(CH2)s—)r, r=0 or 1, s+t=1 to 16, with the —(CH)— group connecting to the —(CH2)g— group, in which B forms a ring in place of one of R20, R21 or R22 substituents;
• R20, R21, and R22 can be the same or different and are each independently H, a C1 to C20 linear or branched alkyl group;
• q is equal to 1, 2, 3, or 4;
• R23, R24, R25 and R26 can be the same or different and are each independently H, a C1 to C20 linear or branched alkyl group;
• with the proviso that at least one substituent independently selected from R23, R24, R25 and R26 is a —OH group, or a C1 to C20 linear or branched alkyl group bearing a hydroxyl group;
• and
• wherein
• p on average equals 1, 2 or 3.