CN106832689A - 一种药用包装材料的制备方法 - Google Patents

一种药用包装材料的制备方法 Download PDF

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CN106832689A
CN106832689A CN201611078795.3A CN201611078795A CN106832689A CN 106832689 A CN106832689 A CN 106832689A CN 201611078795 A CN201611078795 A CN 201611078795A CN 106832689 A CN106832689 A CN 106832689A
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张顺伟
唐进六
陈伟
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XUHUA PHARMACEUTICAL CO Ltd SICHUAN
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Abstract

本发明公开了一种药用包装材料的制备方法，包括以下步骤：(1)将医药或食品级聚偏二氯乙烯(PVDC)、乙烯‑丙烯共聚物混合后加热熔融，其后加入羧甲基纤维素，至三者混合均匀后加入石膏，进行高速剪切搅拌，再降低搅拌速率，加入聚乙烯吡咯烷酮和二丁基羟基甲苯，再次搅拌均匀并自然冷却，得到预混物；(2)将步骤(1)得到的预混物与茂金属聚乙烯进行共挤出，成型为膜状；(3)将步骤(2)得到的膜层通过粘结层与铝箔层复合，即得到所述药用包装材料。本发明制得的包装材料性质均一、稳定，阻湿、阻气、防氧化性能优异，药品可长期在湿热环境下存放，同时包装的加工性能好，成型难度低。

Description

一种药用包装材料的制备方法
技术领域
本发明涉及药用包装材料的技术领域，特别涉及铝塑包装材料的技术领域。
背景技术
铝塑泡罩包装大量应用于药品片剂、胶囊的包装中，现有技术中这类包装材料通常存在阻隔性能欠佳，特别是阻湿、阻气性能不太理想，导致药品在存放时出现变质的现象。
发明内容
本发明的目的在于提出一种具有高效的阻湿、阻气、防氧化性能的药用包装材料的制备方法。
本发明的技术方案如下：
一种药用包装材料的制备方法，包括以下步骤：
(1)将医药或食品级聚偏二氯乙烯(PVDC)、乙烯-丙烯共聚物混合后加热熔融，并在搅拌状态下加入羧甲基纤维素，至三者混合均匀，其后向熔融物中加入石膏，进行高速剪切搅拌，再降低搅拌速率，向混合物中加入聚乙烯吡咯烷酮和二丁基羟基甲苯，再次搅拌均匀并自然冷却，得到预混物；
(2)将步骤(1)得到的预混物与茂金属聚乙烯进行共挤出，成型为膜状；
(3)将步骤(2)得到的膜层通过粘结层与铝箔层复合，即得到所述药用包装材料。
优选的是：所述预混物按质量份计，包括聚偏二氯乙烯15～20份，乙烯-丙烯共聚物3～5份，羧甲基纤维素1～1.5份，聚乙烯吡咯烷酮0.8～1.2份，二丁基羟基甲苯0.1～0.3份，石膏0.5～1份。
另外优选的是：所述预混物按质量份计，所述预混物按质量份计，包括聚偏二氯乙烯15份，乙烯-丙烯共聚物3份，羧甲基纤维素1.2份，聚乙烯吡咯烷酮1.0份，二丁基羟基甲苯0.2份，石膏0.8份。
本发明制得的包装材料性质均一、稳定，可用于片剂、药丸、胶囊等剂型的包装，阻湿、阻气、防氧化性能优异，药品可长期在湿热环境下存放，同时包装的加工性能好，成型难度低。
具体实施方式
实施例1
(1)将医药或食品级聚偏二氯乙烯(PVDC)15份、乙烯-丙烯共聚物3份混合后加热熔融，并在搅拌状态下加入羧甲基纤维素1份，至三者混合均匀，其后向熔融物中加入石膏0.5份，进行高速剪切搅拌，再降低搅拌速率，向混合物中加入聚乙烯吡咯烷酮0.8份和二丁基羟基甲苯0.1份，再次搅拌均匀并自然冷却，得到预混物；
(2)将步骤(1)得到的预混物与茂金属聚乙烯进行共挤出，成型为膜状；
(3)将步骤(2)得到的膜层通过粘结层与铝箔层复合，即得到所述药用包装材料。
实施例2
(1)将医药或食品级聚偏二氯乙烯(PVDC)20份、乙烯-丙烯共聚物5份混合后加热熔融，并在搅拌状态下加入羧甲基纤维素1.5份，至三者混合均匀，其后向熔融物中加入石膏1份，进行高速剪切搅拌，再降低搅拌速率，向混合物中加入聚乙烯吡咯烷酮1.2份和二丁基羟基甲苯0.3份，再次搅拌均匀并自然冷却，得到预混物；
(2)将步骤(1)得到的预混物与茂金属聚乙烯进行共挤出，成型为膜状；
(3)将步骤(2)得到的膜层通过粘结层与铝箔层复合，即得到所述药用包装材料。
实施例3
(1)将医药或食品级聚偏二氯乙烯(PVDC)15份、乙烯-丙烯共聚物3份混合后加热熔融，并在搅拌状态下加入羧甲基纤维素1.2份，至三者混合均匀，其后向熔融物中加入石膏0.8份，进行高速剪切搅拌，再降低搅拌速率，向混合物中加入聚乙烯吡咯烷酮1.0份和二丁基羟基甲苯0.2份，再次搅拌均匀并自然冷却，得到预混物；
(2)将步骤(1)得到的预混物与茂金属聚乙烯进行共挤出，成型为膜状；
(3)将步骤(2)得到的膜层通过粘结层与铝箔层复合，即得到所述药用包装材料。

Claims (3)

1.一种药用包装材料的制备方法，其特征在于：包括以下步骤：
(1)将医药或食品级聚偏二氯乙烯(PVDC)、乙烯-丙烯共聚物混合后加热熔融，并在搅拌状态下加入羧甲基纤维素，至三者混合均匀，其后向熔融物中加入石膏，进行高速剪切搅拌，再降低搅拌速率，向混合物中加入聚乙烯吡咯烷酮和二丁基羟基甲苯，再次搅拌均匀并自然冷却，得到预混物；
(2)将步骤(1)得到的预混物与茂金属聚乙烯进行共挤出，成型为膜状；
(3)将步骤(2)得到的膜层通过粘结层与铝箔层复合，即得到所述药用包装材料。
2.根据权利要求1所述的药用包装材料的制备方法，其特征在于：所述预混物按质量份计，包括聚偏二氯乙烯15～20份，乙烯-丙烯共聚物3～5份，羧甲基纤维素1～1.5份，聚乙烯吡咯烷酮0.8～1.2份，二丁基羟基甲苯0.1～0.3份，石膏0.5～1份。
3.根据权利要求1所述的药用包装材料的制备方法，其特征在于：所述预混物按质量份计，包括聚偏二氯乙烯15份，乙烯-丙烯共聚物3份，羧甲基纤维素1.2份，聚乙烯吡咯烷酮1.0份，二丁基羟基甲苯0.2份，石膏0.8份。
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