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一种用于包装的防腐涂料及其制备方法
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
戈应仓; 黄飞; 许石丽
Filing Date
Jul 15, 2026
Publication Date
Oct 20, 2026
IPC Classification
C09D 175/04 (2006.01)C09D 5/08 (2006.01)C09D 7/63 (2018.01)C09D 7/62 (2018.01)C08G 18/44 (2006.01)C08G 18/34 (2006.01)C08G 18/32 (2006.01)C08G 18/66 (2006.01)B65D 65/42 (2006.01)
本发明涉及包装涂料技术领域,具体涉及一种用于包装的防腐涂料及其制备方法,该方法包括:将腰果酚经环氧化和磷酸开环酯化制备磷酸化腰果酚多元醇;以该多元醇为改性剂制备磷酸化腰果酚改性水性聚氨酯分散体;将植酸溶液与硝酸铈溶液反应制备植酸铈纳米颜料;将氧化石墨烯与壳聚糖经缩合反应制备壳聚糖功能化氧化石墨烯纳米片;将上述组分与硅烷偶联剂和助剂混合制备防腐涂料。本发明通过磷酸化腰果酚多元醇的磷酸基团与植酸铈的铈离子在界面形成P‑O‑Ce配位交联增强附着力,壳聚糖功能化氧化石墨烯延长腐蚀介质扩散路径,为植酸铈提供响应时间,三组分协同实现防腐性能非线性增益,涂料不含双酚A,耐盐雾性达360至480h,附着力0级。
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