摘要
以聚碳酸酯(PC)、热塑性聚氨酯弹性体(TPU)和抗菌剂为主要原料,利用熔融共混法制备了耐化学抗菌改性PC/TPU共混合金。系统地研究了TPU含量、硬度、类型和抗菌剂种类对材料性能的影响。结果表明,PC/TPU共混合金的加工流动性、缺口冲击强度及耐化学性能随TPU含量增大而提高。与聚醚型TPU相比,硬度更高的聚酯型TPU更有利于提高材料的缺口冲击韧性和化学稳定性。当加入0.6%活性氧化锌时,PC/TPU共混合金对大肠杆菌和金黄色葡萄球菌的抗菌率大于99.9%。
The chemical-resistant and antibacterial polycarbonate(PC)/polyurethane elastomer(TPU) blends were prepared through melt blending using PC,TPU,and antibacterial agents as raw materials.The effects of the amount,hardness,type of TPU and type of antibacterial agent on the properties of the blends were systematically studied.The results indicated that the processing fluidity,notched impact strength and chemical resistance of the blends increased with an increase in the TPU content.Compared to the polyether-type TPU,the polyester-type TPU with a high hardness is more advantageous to improving the notched impact toughness and chemical stability of the blends.When 0.6 wt% active ZnO was added,the PC/TPU blends obtained an antibacterial rate of over 99.9 % against Escherichia coli and Staphylococcus aureus.
作者
邹永昆
范温柔
余彪
郭森
高天明
何经纬
刘芳
ZOU Yongkun;FAN Wenrou;YU Biao;GUO Sen;GAO Tianming;HE Jingwei;LIU Fang(School of Chemistry and Chemical Engineering,Lingnan Normal University,Zhanjiang 524048,China;Key Laboratory of Clean Energy Material Chemistry in Guangdong General University,Zhanjiang 524048,China;School of Materials Science and Engineering,South China University of Technology,Guangzhou 510641,China;Foshan Shunde Midea Washing Appliance Manufacturing Co,Ltd,Foshan 528311,China)
出处
《中国塑料》
CAS
CSCD
北大核心
2023年第7期41-46,共6页
China Plastics
基金
国家自然科学基金项目(21805125和81970974)
清洁能源材料化学广东省普通高校重点实验室开放课题(CEMC2022018)。
关键词
聚碳酸酯
热塑性聚氨酯弹性体
耐化学
抗菌
缺口冲击强度
polycarbonate
thermoplastic polyurethane elastomer
chemical resistance
antibacterial
notched impact strength
作者简介
第一作者:邹永昆(1991-),男,博士,主要从事功能高分子材料的研发,xfx1991zyk@163.com;通信作者:余彪(1984-),博士,讲师,主要从事功能高分子材料的研究,y.biao@lingnan.edu.cn。
