共混阻隔技术的研究进展

综述了国内外共混阻隔中空容器制造技术的研究进展和应用情况。介绍了PA、EVOH等几种常用阻隔树脂的特点和应用场合,对阻隔容器的阻隔机理进行了初步探讨。共混阻隔中空容器的阻隔性能主要与阻隔树脂的种类与用量、基体树脂与阻隔树脂在加工条件下的熔体粘度比、增容剂的种类与用量、中空容器的成型工艺条件等有关。中空容器共混阻隔技术由于具有生产工艺简单、设备投资低等特点,因而在乳油农药、汽油、各种有机溶剂、试剂等液体化学品的包装方面得到了广泛应用。

Advances of Blending Barrier Container Technology

The paper mainly surveys the development and application of the technology of blending barrier container at home and abroad.The properties and application of some common barrier resins,PA,EVOH,etc are also introduced.The barrier principle of the barrier container was studied preliminarily.The properties of blending barrier container are mainly related to the type and amount of the barrier resins,the melt viscosity ratio of the matrix resins and barrier resins,the type and amount of the compatibilizer,the technology condition of the molding of the container,etc.Due to its simple production technology,the low-investment equipment,the processing technology of blending barrier container is widely used in the fields of the emulsion pesticide,the petrol industry,the package industry of all kinds of organic solvent and reagent.