| 摘要 |
A compound having formula (III) is disclosed (see formula III) wherein R2 and R3 independently are hydrogen, methyl, ethyl, hydroxymethyl, or R2 and R3 combine with a carbon to which they are attached to form a five-membered or six-membered saturated carbocyclic ring; R4 is hydrogen or C1-C4 alkyl; R5 is hydrogen, methyl, ethyl or hydroxymethyl; R6 is hydrogen, hydroxyethyl, C1-C10 alkyl or -CH2C(R5)(N(R7)2)CH2OH; and R7 is hydrogen or methyl. Such compounds may be used in coating compositions and other applications for pH adjustment. |
