A compound having formula (I)
wherein R1 is methyl or ethyl; R2 is hydrogen, methyl, CH2C(NH2)(R1)(CH2OH) or R2 groups combine to form a difunctional C2-C6 alkyl group; and X is a difunctional group selected from the group consisting of C2-C20 alkyl, C5-C20 cycloalkyl, C6-C10 aryl, C8-C20 aryl alkyl, C4-C20 heteroalkyl or C10-C20 aryl heteroalkyl.
具有式 (I) 的化合物
其中 R1 是
甲基或乙基;R2 是
氢、
甲基、CH2C(NH2)(R1)(CH2OH) 或 R2 基团结合形成的双官能团 C2-C6 烷基;X 是选自 C2-C20 烷基、C5-C20
环烷基、C6-C10 芳基、C8-C20 芳烷基、C4-C20 杂烷基或 C10-C20 芳杂烷基的双官能团。