酒瓶瓶口密封衬垫的研制张红晶张治平一、前言我国酒类的销售包装主要是瓶装，其中绝大多数是螺纹口酒瓶，密封材料主要为聚乙烯（ＰＥ）内塞垫、外盖和胶套等，少部分为王冠盖酒瓶，其密封材料为橡胶垫和滴塑垫，上述两种密封方式，其缺点是漏酒率高，酒气渗透性大，有的... Development of bottle cap seal liner Zhang Hongjing Zhang Zhiping First, the introduction of China’s alcohol sales packaging is bottled, most of which are threaded mouth bottle, the main sealing material is polyethylene (PE) plug pad, cover And rubber sleeve, a small part of the crown cover bottle, the sealing material for the rubber pad and Disu pad, the above two sealing methods, the disadvantage is the leakage rate is high, alcohol permeability, and some ...