聚酯瓶包装新猷——内壁表面无定形碳涂层处理

<正> 在塑料包装工业中,PET的透过性一直限制了瓶装饮料的保质期,寻找改进包装阻隔性的方法是业者长期的研究课题,对它在啤酒领域的应用更是近年间的一项大挑战。总结过去的试验结果,已研究出从使用PEN作为原材料到以EVOH为阻隔基料的多层材料,到采用在瓶外壁喷涂阻隔性涂料等各种方法。然而,与玻璃瓶和金属罐相比,这些方法比较昂贵,产品的保质期也相当有限。

New “ACTIS” barrier coating process for PET bottles for beer

Finding ways to improve the barrier properties Of plastic containers has long been the subject of research in the industry. Beer in particular has always been a unique challenge. In a series of articles, we reveal the up-to-date technologies employed in the production of high performance PET bottles, starting from the primary step-preform production.