为了提高对金属锌的接枝率,先用碱式醋酸锌或碱式苯甲酸锌与丙烯酸反应生成丙烯酸锌单体,再与其他丙烯酸类单体自由基聚合生成聚丙烯酸锌树脂,利用红外吸收光谱、核磁共振、差式扫描量热仪等对树脂进行结构表征和性能测定.结果表明:合成的聚丙烯酸锌树脂对锌具有较高的接枝率;锌含量和引发剂的用量对树脂的玻璃化转变温度影响较小,而树脂中软硬单体的配比对玻璃化转变温度的影响比较大;对涂料的铜离子释放率测定表明:高锌含量和低相对分子质量的树脂有助于提高涂料的铜离子释放率,且这种树脂具有长期稳定的自抛光性能,可应用于海洋防污涂料.
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