PET材料及工艺对其制品性能影响的研究  

Research on the influence of PET materials and processes on the properties of its products

作　　者：刘欢 温浩宇 Liu Huan;Wen Haoyu(Sichuan Yibin Plus Packaging Material Co.LTD.,Yibin 644007,Sichuan,China)

机构地区：[1]四川省宜宾普拉斯包装材料有限公司,四川宜宾644007

出　　处：《橡塑技术与装备》2024年第4期40-44,共5页China Rubber/Plastics Technology and Equipment

摘　　要：本文采用自产专用PET原料,使用HUSKY注塑机,通过调整、优化注塑工艺,生产直接接触食品的包装件(以下简称“包装件”)。通过采用多种加工工艺参数进行正交试验,分析研究了加工工艺对PET包装件中乙醛(AA)值含量的影响。通过测试PET包装件的可溶性元素含量,对PET原料及制品的食品卫生性能进行了研究。通过不同材质的包装件载压性能和冲击性能对比,分析了PET材料用于包装件的韧性性能。通过PET材料SO2气体破坏实验和耐紫外老化性能试验,研究了PET包装件的环境适应性及耐老化性能,证明了其符合各类包装的仓储要求。This article uses self-produced specialized PET raw materials and HUSKY injection molding machine to produce packaging parts that directly come into contact with food(hereinafter referred to as"packaging parts")by adjusting and optimizing the injection molding process.The influence of processing parameters on the acetaldehyde(AA)content in PET packaging was analyzed and studied through orthogonal experiments using multiple processing parameters.The food hygiene performance of PET raw materials and products was studied by testing the soluble element content of PET packaging.By comparing the compressive and impact performance of packaging materials with different materials,the toughness performance of PET materials used in packaging was analyzed.The environmental adaptability and aging resistance of PET packaging were studied through SO2 gas damage experiments and UV aging resistance tests,proving that it meets the storage requirements of various types of packaging.

关 键 词：PET 包装件 食品卫生 气体破坏 紫外老化 

分 类 号：TQ323.41[化学工程—合成树脂塑料工业]