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This article is focused on the synthesis and property of a resin for polyurethane paint from cashew nut shell liquid, caster-oil and amine. 通过共缩聚的方法，由天然产物腰果壳液、蓖麻油和胺类化合物等制成聚氨酯漆用树脂，并研究该树脂与聚氨酯预聚体的反应性，以及所形成漆膜的理化性能。