本发明属于精细化工技术领域,具体为一种两性离子基环境友好型海洋防污涂料。本发明涂料组成按重量份计为：可湿固化丙烯酸树脂40-80份,两性离子前驱体硅氧烷5-30份,防污抗菌硅氧烷2-20份,无机纳米杀菌剂2-50份,氨基硅烷0-8份,溶剂5-20份,助剂0-5份。该涂料中的有机防污剂在固化过程中化学键合在涂层聚合物链中,成为成膜物质的一部分,延长了防污剂的使用寿命；两性离子前驱体硅氧烷通过原位生成两性离子,与有机防污剂和/或无机纳米抗菌剂协同作用提高涂层防污性能。该涂料可大规模室温喷涂固化,水下力学强度高,可适合于船舶、海水管道等多种场合的防污涂层，尤其适合用作水下智能机器人清洗的硬质防污涂层。

The present invention belongs to the field of fine chemical technology, specifically is an zwitteriion-based environment-friendly marine antifouling coating. The coating composition of the present invention is calculated by weight as follows: 40-80 parts of moisture-curing acrylic resin, 5-30 parts of zwitterionic precursor siloxane, 2-20 parts of antifouling and antibacterial siloxane, 2-50 parts of inorganic nano fungicide, 0-8 parts of amino silane, 5-20 parts of solvent, 0-5 parts of additives. The organic antifouling agent in the coating is chemically bonded in the coating polymer chain during the curing process and becomes part of the film-forming substance, extending the life of the antifouling agent; The zwitterionic precursor siloxane works synergistically with organic antifouling agents and/or inorganic nano-antimicrobial agents to improve the antifouling performance of coatings by generating zwitterionic ions in situ. The coating can be sprayed and cured at room temperature on a large scale, with high underwater mechanical strength, and can be suitable for antifouling coatings in various occasions such as ships and seawater pipelines, especially suitable for hard antifouling coatings for underwater intelligent robot cleaning.