CN109206791A - 一种气泡袋包装材料的制备方法 - Google Patents

一种气泡袋包装材料的制备方法 Download PDF

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CN109206791A
CN109206791A CN201811104075.9A CN201811104075A CN109206791A CN 109206791 A CN109206791 A CN 109206791A CN 201811104075 A CN201811104075 A CN 201811104075A CN 109206791 A CN109206791 A CN 109206791A
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packing material
air bubble
bag packing
calcium carbonate
film
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胡次兵
周立
史志新
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Foshan Science And Technology Co Ltd
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Abstract

本发明涉及一种气泡袋包装材料的制备方法，属于包装材料技术领域。本发明所制备的气泡袋包装材料使用硅烷偶联剂将细碳酸钙与纤维膜结合，使得纤维膜在具有多孔网状结构的同时，得到强化膜，将这层强化膜包覆在气泡膜外层，形成保护层，通过强化膜多孔的网状弹性结构，提高了发泡膜的缓冲性能，避免了内部气泡与外界直接接触，增强了气泡袋的耐磨擦能力；同时在基膜的用料中也使用细碳酸钙，使得基膜与强化膜接触面具有大量的细碳酸钙颗粒，使得发泡袋受到冲击和挤压时，能够通过这些颗粒增加受力点，平摊外力，失去缓冲作用的问题；本发明所制备的气泡袋包装材料具有良好的耐磨性与缓冲性能，质地柔软轻巧，能够很好地保护物品不被刮擦。

Description

一种气泡袋包装材料的制备方法
技术领域
本发明涉及一种气泡袋包装材料的制备方法，属于包装材料技术领域。
背景技术
气泡袋是当前普遍使用的一种透明软包装材料，广泛用于电子、仪表、陶瓷、工艺品、家用电器，自车行，厨房、家具、五金工具制品、玻璃制品及精密仪器等的抗震性缓冲、保护包装。其原理是以薄膜包含空气使之形成气泡来防止产品撞击，确保产品受到震动时起到保护作用，同时亦有保温隔热的作用，适合各行各业的不同产品包装或周转之用。由于气垫膜中间层充满空气，所以体轻，富有弹性，具有隔音，防震、防磨损的性能，它防水，防潮，抗压。
气泡袋又分单面和双面两种，单面气泡袋适宜防静电气泡卷保护自身重量较轻的产品，双面气泡袋防震力强适合体积较大较重之物品包装。单、双面气泡袋均适合各行业产品的包装如做袋、切片。单、双面气泡袋可设防静电气泡袋，以及不同颜色、印刷.还可复合其它材料增加保护性及美观。
传统的气泡袋的膜材料以低密度聚乙烯塑料粒子为主要组份，气泡袋耐磨性差，放置时间长易漏气，使其减震缓冲性能变差，影响气泡袋的包装质 量。对原材料的要求很高，制备成本高，且吹塑性、密封性、耐候性及环保性均有待提高。因此，亟需研制出一种性能优异的气泡袋的膜材料来解决现有技术中存在的不足。
发明内容
本发明所要解决的技术问题：针对现今传统的气泡袋的膜材料耐磨性差，放置时间长易漏气，使其减震缓冲性能变差，影响气泡袋的包装质量的问题，提出了一种气泡袋包装材料的制备方法。
为解决上述技术问题，本发明采用的技术方案是：
（1）取碳酸钙研磨，得到细碳酸钙；
（2）取细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N，N二甲基甲酰胺混合搅拌，静置脱泡，得到纺丝液；
（3）将纺丝液通过静电纺丝得到纤维膜；
（4）将纤维浸泡在甲醛溶液中，进行后处理，然后将纤维膜取出，用去离子水冲洗后干燥得到强化膜；
（5）取聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂混合搅拌，得到母料；
（6）将母料通过挤出机，采用平模成型法得到两块基膜；
（7）将基膜与强化膜进行铺叠得到四层膜；
（8）将四层膜通过气泡成膜机得到气泡膜，加工后得到气泡袋包装材料。
步骤（1）所述研磨后细碳酸钙粒度为800目。
步骤（2）所述细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N，N二甲基甲酰胺的质量比为5:3:3:70:30:1，搅拌速率为2000r/min，搅拌时间为30~60min，静置脱泡时间为24h。
步骤（3）所述纺丝电压为15kV，纺丝距离为15cm，纺丝液流速为0.01ml/min，接地装置为接地铝箔。
步骤（4）所述甲醛溶液浓度为14mol/L，浸泡时间为4h。
步骤（5）所述聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂的质量比为50:30:40:5:5:8:5:5:2，发泡剂为AC发泡剂。
步骤（6）所述挤出机加料段温度为130~150℃，塑化段温度为170~190℃，均化段温度为200~230℃，模具温度为160~180℃。
步骤（7）所述铺叠方式为先将两块基膜重叠铺好，得到一块双层膜，在双层膜下方铺叠一块强化膜，然后将另一块强化膜铺叠在双层膜上方，得到四层膜。
本发明与其他方法相比，有益技术效果是：
本发明所制备的气泡袋包装材料使用硅烷偶联剂将细碳酸钙与纤维膜结合，使得纤维膜在具有多孔网状结构的同时，能够减少摩擦损伤，得到强化膜，将这层强化膜包覆在气泡膜外层，形成保护层，通过强化膜多孔的网状弹性结构，提高了发泡膜的缓冲性能，避免了内部气泡与外界直接接触，增强了气泡袋的耐磨擦能力；同时在基膜的用料中也使用细碳酸钙，使得基膜与强化膜接触面具有大量的细碳酸钙颗粒，使得发泡袋受到冲击和挤压时，能够通过这些颗粒增加受力点，平摊外力，避免了由于局部受力过大而导致气泡受损破裂，失去缓冲作用的问题；本发明所制备的气泡袋包装材料具有良好的耐磨性与缓冲性能，质地柔软轻巧，能够很好地保护物品不被刮擦。
具体实施方式
取碳酸钙并将其置入球磨机进行研磨，过800目筛后得到细碳酸钙；取细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N,N-二甲基甲酰胺混合，得到混合液，将混合液置入高速搅拌机以2000r/min的速率搅拌30~60min，然后静置脱泡24h，得到纺丝液；将纺丝液置入静电纺丝设备，设定纺丝电压为15kV，纺丝距离为15cm，纺丝液流速为0.01ml/min，接地装置为接地铝箔，制得纤维膜；将纤维膜浸泡在14mol/L的甲醛溶液中，4h后将纤维膜取出，并用1000g去离子水冲洗，干燥后得到强化膜；取聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂混合，得到混合物，将混合物置入搅拌机以600r/min速率混合均匀，得到母料；将母料置入挤出机，设置加料段温度为130~150℃，塑化段温度为170~190℃，均化段温度为200~230℃，以衣架式模具作为模具腔，模具温度为160~180℃，采用平模成型法得到两块基膜；将两块基膜重叠铺好，得到一块双层膜，在双层膜下方铺叠一块强化膜，然后将另一块强化膜铺叠在双层膜上方，得到四层膜；将四层膜置入气泡膜成型机，得到气泡膜，将其泡沫置入气泡袋制作机进行加工，得到气泡袋包装材料。
取碳酸钙并将其置入球磨机进行研磨，过800目筛后得到细碳酸钙；取细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N,N-二甲基甲酰胺混合，得到混合液，将混合液置入高速搅拌机以2000r/min的速率搅拌30min，然后静置脱泡24h，得到纺丝液；将纺丝液置入静电纺丝设备，设定纺丝电压为15kV，纺丝距离为15cm，纺丝液流速为0.01ml/min，接地装置为接地铝箔，制得纤维膜；将纤维膜浸泡在14mol/L的甲醛溶液中，4h后将纤维膜取出，并用1000g去离子水冲洗，干燥后得到强化膜；取聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂混合，得到混合物，将混合物置入搅拌机以600r/min速率混合均匀，得到母料；将母料置入挤出机，设置加料段温度为130℃，塑化段温度为170℃，均化段温度为200℃，以衣架式模具作为模具腔，模具温度为160℃，采用平模成型法得到两块基膜；将两块基膜重叠铺好，得到一块双层膜，在双层膜下方铺叠一块强化膜，然后将另一块强化膜铺叠在双层膜上方，得到四层膜；将四层膜置入气泡膜成型机，得到气泡膜，将其泡沫置入气泡袋制作机进行加工，得到气泡袋包装材料。
取碳酸钙并将其置入球磨机进行研磨，过800目筛后得到细碳酸钙；取细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N,N-二甲基甲酰胺混合，得到混合液，将混合液置入高速搅拌机以2000r/min的速率搅拌45min，然后静置脱泡24h，得到纺丝液；将纺丝液置入静电纺丝设备，设定纺丝电压为15kV，纺丝距离为15cm，纺丝液流速为0.01ml/min，接地装置为接地铝箔，制得纤维膜；将纤维膜浸泡在14mol/L的甲醛溶液中，4h后将纤维膜取出，并用1000g去离子水冲洗，干燥后得到强化膜；取聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂混合，得到混合物，将混合物置入搅拌机以600r/min速率混合均匀，得到母料；将母料置入挤出机，设置加料段温度为140℃，塑化段温度为180℃，均化段温度为215℃，以衣架式模具作为模具腔，模具温度为170℃，采用平模成型法得到两块基膜；将两块基膜重叠铺好，得到一块双层膜，在双层膜下方铺叠一块强化膜，然后将另一块强化膜铺叠在双层膜上方，得到四层膜；将四层膜置入气泡膜成型机，得到气泡膜，将其泡沫置入气泡袋制作机进行加工，得到气泡袋包装材料。
取碳酸钙并将其置入球磨机进行研磨，过800目筛后得到细碳酸钙；取细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N,N-二甲基甲酰胺混合，得到混合液，将混合液置入高速搅拌机以2000r/min的速率搅拌60min，然后静置脱泡24h，得到纺丝液；将纺丝液置入静电纺丝设备，设定纺丝电压为15kV，纺丝距离为15cm，纺丝液流速为0.01ml/min，接地装置为接地铝箔，制得纤维膜；将纤维膜浸泡在14mol/L的甲醛溶液中，4h后将纤维膜取出，并用1000g去离子水冲洗，干燥后得到强化膜；取聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂混合，得到混合物，将混合物置入搅拌机以600r/min速率混合均匀，得到母料；将母料置入挤出机，设置加料段温度为150℃，塑化段温度为190℃，均化段温度为230℃，以衣架式模具作为模具腔，模具温度为160~180℃，采用平模成型法得到两块基膜；将两块基膜重叠铺好，得到一块双层膜，在双层膜下方铺叠一块强化膜，然后将另一块强化膜铺叠在双层膜上方，得到四层膜；将四层膜置入气泡膜成型机，得到气泡膜，将其泡沫置入气泡袋制作机进行加工，得到气泡袋包装材料。
取本发明制备的气泡袋包装材料及市售气泡袋包装材料进行检测，具体检测结果如下表表1：
检测方法：
根据QB/T1259-91标准规定，对实施例1-3及对比例1的气泡袋用料所制得的气泡 袋的物理性能测试结果如下表1所示。
表1气泡袋包装材料性能表征
由表1可知本发明制备的气泡袋包装材料，力学性能优异，耐磨损性能好，在摩擦碰撞过程中气泡袋包装材料无破损、无瘪泡，本发明具有极其广阔的市场应用价值。

Claims (8)

1.一种气泡袋包装材料的制备方法，其特征在于，具体制作步骤为
（1）取碳酸钙研磨，得到细碳酸钙；
（2）取细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N，N二甲基甲酰胺混合搅拌，静置脱泡，得到纺丝液；
（3）将纺丝液通过静电纺丝得到纤维膜；
（4）将纤维浸泡在甲醛溶液中，进行后处理，然后将纤维膜取出，用去离子水冲洗后干燥得到强化膜；
（5）取聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂混合搅拌，得到母料；
（6）将母料通过挤出机，采用平模成型法得到两块基膜；
（7）将基膜与强化膜进行铺叠得到四层膜；
（8）将四层膜通过气泡成膜机得到气泡膜，加工后得到气泡袋包装材料。
2.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（1）所述研磨后细碳酸钙粒度为800目。
3.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（2）所述细碳酸钙、石蜡、聚乙烯蜡、聚甲基丙烯酸甲酯、聚丙烯腈和N，N二甲基甲酰胺的质量比为5:3:3:70:30:1，搅拌速率为2000r/min，搅拌时间为30~60min，静置脱泡时间为24h。
4.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（3）所述纺丝电压为15kV，纺丝距离为15cm，纺丝液流速为0.01ml/min，接地装置为接地铝箔。
5.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（4）所述甲醛溶液浓度为14mol/L，浸泡时间为4h。
6.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（5）所述聚氯乙烯、聚丙烯、高密度聚乙烯、邻苯二甲酸酯、碳酸氢铵、细碳酸钙、石蜡、发泡剂和硅烷偶联剂的质量比为50:30:40:5:5:8:5:5:2，发泡剂为AC发泡剂。
7.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（6）所述挤出机加料段温度为130~150℃，塑化段温度为170~190℃，均化段温度为200~230℃，模具温度为160~180℃。
8.如权利要求1所述的一种气泡袋包装材料的制备方法，其特征在于，步骤（7）所述铺叠方式为先将两块基膜重叠铺好，得到一块双层膜，在双层膜下方铺叠一块强化膜，然后将另一块强化膜铺叠在双层膜上方，得到四层膜。
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