| 摘要 |
<p>An ampho-ionic compound of the formula: wherein R is a group of the formula: wherein R1 is hydrogen or methyl and A1 is-COOCH2- or -CH2OCH2-, R2 is hydrogen or methyl; and B? is (a) a group of either one of the formulas: wherein R3, R4 and R4 are each alkyl, alkenyl, hydroxyalkyl, mercaptoalkyl, alkoxy, alkylthio, cyclic alkyl, phenyl or substituted phenyl, these groups having each not more than 7 carbon atoms, R6, R7 and R8 are each alkylene, alkenylene, alkyleneoxy or alkylenethio, these groups having each not more than 7 carbon atoms and Rg is optionally substituted alkylidene of 4 to 10 carbon atoms,(b) a group of the formula: wherein R10, R11 and R12 are each a substituent comprising as the major constituent a hydrocarbon chain having 10 to 30 carbon atoms or (c) a group of the formula: wherein R13 is hydrogen or methyl, R14 is a substituent comprising as the major constituent a hydrocarbon chain having 1 to 20 carbon atoms, A2 is -(CH2)mOCO-, -(CH2)mNHCO- or -(CH2)m- or when taken together with a part or the whole of R14, forms a heterocyclic structure having not more than 14 carbon atoms, which may optionally include an unsaturated double bond and/or an oxygen or sulfur atom, m is an integer of 1 to 4 and n is an integer of 1 to 3.</p> |
