Disclosed are a flame-retardant antimicrobial agent, a preparation method therefor and the use thereof, and a flame-retardant antimicrobial thermoplastic resin composition. The flame-retardant antimicrobial agent is a polymer microsphere with the surface grafted thereof with a guanidine salt, wherein the polymer microsphere comprises a cross-linked structure composed of a structural unit A derived from maleic anhydride, a structural unit B derived from a monomer M, and a structural unit C derived from a cross-linking agent. The monomer M is selected from a C4-C9 aliphatic olefin or a mixture thereof, and the guanidine salt comprises at least one guanidine salt having the property of flame resistance. The flame-retardant antimicrobial agent has both a good antimicrobial effect and a good flame-retardant effect, is an effective single-component multifunctional auxiliary, has a very good flame-retardant and antimicrobial efficiency, and also has a good dispersion, a good fluidity, and a low moisture absorption. A flame-retardant antimicrobial thermoplastic resin composition comprising the flame-retardant antimicrobial agent also has a good flame-retardant and antimicrobial performance and a good overall performance.
本发明公开了一种阻燃抗菌剂、其制备方法及其用途,以及一种阻燃抗菌热塑性
树脂组合物。阻燃抗菌剂是一种聚合物微球,其表面接枝有
胍盐,其中聚合物微球包括由
马来酸酐衍生的结构单元 A、单体 M 衍生的结构单元 B 和
交联剂衍生的结构单元 C 组成的交联结构。单体 M 选自 C4-C9 脂肪族烯烃或其混合物,
胍盐包括至少一种具有阻燃性能的
胍盐。阻燃抗菌剂既具有良好的抗菌效果,又具有良好的阻燃效果,是一种有效的单组分多功能助剂,具有很好的阻燃性和抗菌性,同时还具有良好的分散性、流动性和低吸湿性。包含该阻燃抗菌剂的阻燃抗菌热塑性
树脂组合物还具有良好的阻燃和抗菌性能以及良好的综合性能。