CN111002669B - 一种高阻隔耐高温杀菌蒸煮膜及其制备方法 - Google Patents

一种高阻隔耐高温杀菌蒸煮膜及其制备方法 Download PDF

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CN111002669B
CN111002669B CN201911245567.4A CN201911245567A CN111002669B CN 111002669 B CN111002669 B CN 111002669B CN 201911245567 A CN201911245567 A CN 201911245567A CN 111002669 B CN111002669 B CN 111002669B
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梅亮
梅山玮
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Xuzhou Hongen Packaging New Material Co ltd
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Abstract

本发明属于塑料薄膜领域，尤其是一种高阻隔耐高温杀菌蒸煮膜及其制备方法，针对现有蒸煮膜的阻隔性较差，不具有环保特点，且耐高温性较差的问题，现提出如下方案，其一种高阻隔耐高温杀菌蒸煮膜，由第一连接层、中间层和第二连接层共挤而成，其中，所述第一连接层和第二连接层的原料由下述按质量百分比计的组成：聚偏二氯乙烯10‑25％，乙烯‑乙烯醇共聚物19‑28％，乙烯‑醋酸乙烯共聚物21‑40％，高压聚乙烯15‑36％，聚乙烯醇13‑20％。本发明方法制备的蒸煮膜阻隔性较好，材料可降解，具有环保特点，且耐高温性较好，遇高温不变形，抗菌效果好，具有高的机械强度、弹性和表面硬度。

Description

一种高阻隔耐高温杀菌蒸煮膜及其制备方法
技术领域
本发明涉及塑料薄膜技术领域，尤其涉及一种高阻隔耐高温杀菌蒸煮膜及其制备方法。
背景技术
蒸煮袋是能进行加热处理的复合塑料薄膜袋，现有的蒸煮袋所用的复合塑料薄膜多用三层材料复合而成，具有代表性的蒸煮袋的薄膜结构是：外层为聚酯膜，作加强用；中层为铝箔，作防光、防湿和防漏气用；内层为聚烯烃膜(如聚丙烯膜)，作热合和接触食品用；
然而现有的蒸煮膜的阻隔性较差，不具有环保特点，且耐高温性较差。
发明内容
本发明的目的是为了解决现有技术中存在蒸煮膜的阻隔性较差，不具有环保特点，且耐高温性较差的缺点，而提出的一种高阻隔耐高温杀菌蒸煮膜及其制备方法。
为了实现上述目的，本发明采用了如下技术方案：
一种高阻隔耐高温杀菌蒸煮膜，由第一连接层、中间层和第二连接层共挤而成，其中，所述第一连接层和第二连接层的原料由下述按质量百分比计的组成：
聚偏二氯乙烯 10-25%
乙烯-乙烯醇共聚物 19-28%
乙烯-醋酸乙烯共聚物 21-40%
高压聚乙烯 15-36%
聚乙烯醇 13-20%
其各组分含量之和为100%；
所述中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 12-20%
聚苯硫醚 11-16%
爽滑剂 16-30%
聚芳砜 9-25%
防粘剂 6-23%
其各组分含量之和为100%。
优选的，所述第一连接层和第二连接层的原料由下述按质量百分比计的组成：
聚偏二氯乙烯 13.6%
乙烯-乙烯醇共聚物 22.1%
乙烯-醋酸乙烯共聚物 31.8%
高压聚乙烯 15.2%
聚乙烯醇 17.3%；
所述中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 13.3%
聚苯硫醚 15.7%
爽滑剂 28.5%
聚芳砜 23.6%
防粘剂 18.9%。
优选的，所述爽滑剂为油酸酰胺、芥酸酰胺、硬脂酸酰胺中的一种。
优选的，所述防粘剂为硬脂酸镁、二氧化硅中的一种。
本发明还包括一种高阻隔耐高温杀菌蒸煮膜的制备方法，包括如下步骤：
S1：按第一连接层、中间层和第二连接层所占质量百分数分别为：30%、40%和30%，选取第一连接层、中间层和第二连接层的材料；
S2：将上述各层原料混合搅拌，搅拌时间为25min，搅拌均匀后，通过三层共挤吹膜机挤出，得到高阻隔耐高温杀菌蒸煮膜。
与现有技术相比，本发明的有益效果在于：
本发明方法制备的蒸煮膜阻隔性较好，材料可降解，具有环保特点，且耐高温性较好，遇高温不变形，抗菌效果好。
具体实施方式
实施例一
一种高阻隔耐高温杀菌蒸煮膜，由第一连接层、中间层和第二连接层共挤而成，其中，第一连接层和第二连接层的原料由下述按质量百分比计的组成：
聚偏二氯乙烯 10-25%
乙烯-乙烯醇共聚物 19-28%
乙烯-醋酸乙烯共聚物 21-40%
高压聚乙烯 15-36%
聚乙烯醇 13-20%
其各组分含量之和为100%；
中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 12-20%
聚苯硫醚 11-16%
爽滑剂 16-30%
聚芳砜 9-25%
防粘剂 6-23%
其各组分含量之和为100%。
本实施例中，第一连接层和第二连接层的原料由下述按质量百分比计的组成：
聚偏二氯乙烯 13.6%
乙烯-乙烯醇共聚物 22.1%
乙烯-醋酸乙烯共聚物 31.8%
高压聚乙烯 15.2%
聚乙烯醇 17.3%；
中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 13.3%
聚苯硫醚 15.7%
爽滑剂 28.5%
聚芳砜 23.6%
防粘剂 18.9%。
本实施例中，爽滑剂为油酸酰胺、芥酸酰胺、硬脂酸酰胺中的一种。
本实施例中，防粘剂为硬脂酸镁、二氧化硅中的一种。
本实施例还提供一种高阻隔耐高温杀菌蒸煮膜的制备方法，包括如下步骤：
S1：按第一连接层、中间层和第二连接层所占质量百分数分别为：30%、40%和30%，选取第一连接层、中间层和第二连接层的材料；
S2：将上述各层原料混合搅拌，搅拌时间为25min，搅拌均匀后，通过三层共挤吹膜机挤出，得到高阻隔耐高温杀菌蒸煮膜。
本发明方法制备的蒸煮膜阻隔性较好，材料可降解；
耐燃、耐腐蚀、气密性好，具有环保特点；
耐高温性较好，遇高温不变形，抗菌效果好；
具有高的机械强度、弹性、表面硬度；
耐磨性和耐气候性，有强的抗静电性。
实施例二
第一连接层和第二连接层的原料也可由下述按质量百分比计的组成：
聚偏二氯乙烯 13.4%
乙烯-乙烯醇共聚物 22.3%
乙烯-醋酸乙烯共聚物 31.5%
高压聚乙烯 15.1%
聚乙烯醇 17.7%；
中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 13.5%
聚苯硫醚 15.5%
爽滑剂 28.8%
聚芳砜 23.7%
防粘剂 18.5%。

Claims (5)

1.一种高阻隔耐高温杀菌蒸煮膜，其特征在于：由第一连接层、中间层和第二连接层共挤而成，其中，所述第一连接层和第二连接层的原料由下述按质量百分比计的组成：
聚偏二氯乙烯 10-25%
乙烯-乙烯醇共聚物 19-28%
乙烯-醋酸乙烯共聚物 21-40%
高压聚乙烯 15-36%
聚乙烯醇 13-20%
其各组分含量之和为100%；
所述中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 12-20%
聚苯硫醚 11-16%
爽滑剂 16-30%
聚芳砜 9-25%
防粘剂 6-23%
其各组分含量之和为100%。
2.根据权利要求1所述的一种高阻隔耐高温杀菌蒸煮膜，其特征在于：由第一连接层、中间层和第二连接层共挤而成，其中，所述第一连接层和第二连接层的原料由下述按质量百分比计的组成：
聚偏二氯乙烯 13.6%
乙烯-乙烯醇共聚物 22.1%
乙烯-醋酸乙烯共聚物 31.8%
高压聚乙烯 15.2%
聚乙烯醇 17.3%；
所述中间层的原料由下述按质量百分比计的组成：
聚四氟乙烯 13.3%
聚苯硫醚 15.7%
爽滑剂 28.5%
聚芳砜 23.6%
防粘剂 18.9%。
3.根据权利要求1所述的一种高阻隔耐高温杀菌蒸煮膜，其特征在于，所述爽滑剂为油酸酰胺、芥酸酰胺、硬脂酸酰胺中的一种。
4.根据权利要求1所述的一种高阻隔耐高温杀菌蒸煮膜，其特征在于，所述防粘剂为硬脂酸镁、二氧化硅中的一种。
5.一种根据权利要求1-3任一项中所述的高阻隔耐高温杀菌蒸煮膜的制备方法，包括如下步骤：
S1：按第一连接层、中间层和第二连接层所占质量百分数分别为：30%、40%和30%，选取第一连接层、中间层和第二连接层的材料；
S2：将上述各层原料混合搅拌，搅拌时间为25min，搅拌均匀后，通过三层共挤吹膜机挤出，得到高阻隔耐高温杀菌蒸煮膜。
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US5895587A (en) * 1997-01-21 1999-04-20 Cryovac, Inc. Cook-in package and method of making same
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