To provide a liquid container, which exhibits excellent storage stability and impact resistance and which can be used for producing a soft bag pharmaceutical product of an injection liquid containing nitroglycerin, a protein, hyaluronic acid, a vitamin, a trace element, a radical scavenger, and the like.
The liquid container of the invention formed of a multilayer film and/or multilayer sheet, characterized in that the multilayer film and/or multilayer sheet has a barrier layer containing, as a predominant component, a polycycloolefin-based resin having a glass transition temperature higher by 5°C or more than the temperature at which the container is subjected to thermal treatment or high-pressure steam sterilization, and a seal layer containing, as a predominant component, a polyethylene-based resin or a polypropylene-based resin, and the barrier layer being provided adjacent to the seal layer.
提供一种液体容器,它具有优异的储存稳定性和抗冲击性,可用于生产含有
硝酸甘油、蛋白质、透明质酸、
维生素、微量元素、自由基清除剂等成分的注射液软袋药品。
本发明的液体容器由多层薄膜和/或多层片材构成,其特征在于多层薄膜和/或多层片材具有阻隔层,阻隔层的主要成分是聚环烯烃基
树脂,其
玻璃化转变温度比容器进行热处理或高压蒸汽灭菌时的温度高 5°C 或更高,还具有密封层,密封层的主要成分是聚
乙烯基树脂或聚
丙烯基
树脂,阻隔层与密封层相邻。