发明授权
US4322324A Ampho-ionic group-containing alkyd resins 失效
含两性离子基团的醇酸树脂

Ampho-ionic group-containing alkyd resins
摘要:
An alkyd resin containing ampho-ionic groups of the formula: ##STR1## wherein A is a C.sub.1 -C.sub.6 alkylene or a phenylene group, is disclosed. Said resin is prepared by reacting a polyol, a polybasic acid and an ampho-ionic compound of the formula: ##STR2## wherein A is as defined above, R.sub.1 is a hydroxyalkyl, R.sub.2 and R.sub.3 are H or alkyl optionally containing sulfo and/or hydroxyl group.
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