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CN108313511A - 一种复合保温包装箱的加工方法 - Google Patents

一种复合保温包装箱的加工方法 Download PDF

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CN108313511A
CN108313511A CN201810023064.1A CN201810023064A CN108313511A CN 108313511 A CN108313511 A CN 108313511A CN 201810023064 A CN201810023064 A CN 201810023064A CN 108313511 A CN108313511 A CN 108313511A
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parts
packing case
processing method
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hot pressing
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孙广辉
孙煌磊
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HEFEI SHENGDING PACKAGE MATERIALS CO Ltd
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HEFEI SHENGDING PACKAGE MATERIALS CO Ltd
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Abstract

本发明的复合保温包装箱的加工方法，选择多层复合的结构，工艺简单可控，稳定性好，采用本发明生产工艺制得包装纸箱强度高，使用寿命长，保温效果好，满足了使用要求，工艺设计合理，耗材量低，生产成本低，可广泛应用于包装箱生产领域。

Description

一种复合保温包装箱的加工方法
技术领域：
本发明涉及包装材料的生产技术领域，具体涉及一种复合保温包装箱的加工方法。
背景技术：
在物品流通过程中，为保护产品、方便储运、促进销售，需要对物品进行包装。为了防止物品在流通过程中受潮、变质，需要对物品进行薄膜包装。塑料包装及塑料包装产品在市场上所占的份额越来越大，特别是复合塑料软包装，已经广泛地应用于食品、医药、化工等领域，其中又以食品包装所占比例最大，比如饮料包装、速冻食品包装、蒸煮食品包装、快餐食品包装等，这些产品都给人们生活带来了极大的便利。
发明内容：
本发明所要解决的技术问题在于提供一种复合保温包装箱的加工方法，结构简单，工艺稳定，且能改善PVA薄膜的断裂拉伸率、抗压强度、耐候性等性能。
本发明所要解决的技术问题采用以下的技术方案来实现：
一种复合保温包装箱的加工方法，其特征在于，包括以下步骤：
(1)底层的制备：称取如下重量份数的原料：玉米秸秆30-40份，稻草10-20份，棉花秸秆10-20份，稻壳5-10份，石膏10-15份，水40-50份；将玉米秸秆、稻草、棉花秸秆、稻壳用破碎机粉碎，再加入石膏与水，放入纸浆桶中进行泡浆，泡浆时间为3-5h，然后投入碎浆机中在60℃下粉碎，使原料离解为纤维，过滤筛选去除粗纤维及杂质，将制作好的浆液倒入模具中，晾干后制得；
(2)中间层的制备：称取如下重量份数的原料：聚碳酸酯颗粒50-60份、三氯氰胺20-30份，淀粉10-20份，石棉绒10-15份、橡胶4-8份，有机添加料5-10份，聚对苯二甲酸乙二醇酯1-5份，碳酸钙1-3份，发泡剂0.5-2份、分子筛原粉0.1-0.5份；将所有原料粉碎，混合，加热至120-150度，加入高速混合机中用800-1000r/min的速度进行搅拌混合，搅拌20-30min，放入模具中挤出成型。
(3)复合制膜：取3-5层制备好的纸板层，用粘合剂进行粘合，制得复合板；
(4)热压：将复合纸板至于温度90-110℃、热压压力30-40MPa条件下进行热压；
(5)冷却：将热压好的复合纸板放于零下五度的环境下进行冷却20-30分钟；
(6)将冷却后的复合纸板装订成纸箱。
优选地，所述步骤(2)中的粘合剂由如下重量份数的原料制成：γ-环糊精/软脂酸酯化物15-25份、甲基丙烯酸镁5-10份、羟乙基纤维素1-5份、4A分子筛活化粉1-5份、海泡石纤维粉1-5份、异构十三醇聚氧乙烯醚0.5-3份、葡萄糖酸钠0.5-3份、过氧化二异丙苯0.05-0.5份。
所述步骤(2)的石棉绒使用前经过物理改性处理，其具体改性方法为：将石棉绒加热至125-130℃保温研磨5min，然后加入多聚谷氨酸和氯化聚氯乙烯，继续在125-130℃下保温研磨30min，研磨结束后立即转入-5℃环境中密封静置3h，并再次加热至125-130℃保温研磨30min，最后在研磨下自然冷却至室温，即得改性石棉绒。
所述石棉绒、多聚谷氨酸和氯化聚氯乙烯的质量比为5-10:0.5-3:0.5-3。
所述多聚谷氨酸选自水处理级多聚谷氨酸。
本发明的有益效果是：本发明的复合保温包装箱的加工方法，选择多层复合的结构，工艺简单可控，稳定性好，采用本发明生产工艺制得包装纸箱强度高，使用寿命长，保温效果好，满足了使用要求，工艺设计合理，耗材量低，生产成本低，可广泛应用于包装箱生产领域。
具体实施方式：
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施例，进一步阐述本发明。
实施例1
一种复合保温包装箱的加工方法，其特征在于，包括以下步骤：
(1)底层的制备：称取如下重量份数的原料：玉米秸秆30份，稻草10份，棉花秸秆10份，稻壳5份，石膏10份，水40份；将玉米秸秆、稻草、棉花秸秆、稻壳用破碎机粉碎，再加入石膏与水，放入纸浆桶中进行泡浆，泡浆时间为3h，然后投入碎浆机中在60℃下粉碎，使原料离解为纤维，过滤筛选去除粗纤维及杂质，将制作好的浆液倒入模具中，晾干后制得；
(2)中间层的制备：称取如下重量份数的原料：聚碳酸酯颗粒50份、三氯氰胺20份，淀粉10份，石棉绒10份、橡胶4份，有机添加料5份，聚对苯二甲酸乙二醇酯1份，碳酸钙1份，发泡剂0.5份、分子筛原粉0.1份；将所有原料粉碎，混合，加热至120度，加入高速混合机中用800r/min的速度进行搅拌混合，搅拌20min，放入模具中挤出成型。
(3)复合制膜：取3层制备好的纸板层，用粘合剂进行粘合，制得复合板；
(4)热压：将复合纸板至于温度90℃、热压压力30MPa条件下进行热压；
(5)冷却：将热压好的复合纸板放于零下五度的环境下进行冷却20分钟；
(6)将冷却后的复合纸板装订成纸箱。
优选地，所述步骤(2)中的粘合剂由如下重量份数的原料制成：γ-环糊精/软脂酸酯化物15份、甲基丙烯酸镁5份、羟乙基纤维素1份、4A分子筛活化粉1份、海泡石纤维粉1份、异构十三醇聚氧乙烯醚0.5份、葡萄糖酸钠0.5份、过氧化二异丙苯0.05份。
所述步骤(2)的石棉绒使用前经过物理改性处理，其具体改性方法为：将石棉绒加热至125℃保温研磨5min，然后加入多聚谷氨酸和氯化聚氯乙烯，继续在125℃下保温研磨30min，研磨结束后立即转入-5℃环境中密封静置3h，并再次加热至125℃保温研磨30min，最后在研磨下自然冷却至室温，即得改性石棉绒。
所述石棉绒、多聚谷氨酸和氯化聚氯乙烯的质量比为5:0.5:0.5。
所述多聚谷氨酸选自水处理级多聚谷氨酸。
实施例2
一种复合保温包装箱的加工方法，其特征在于，包括以下步骤：
(1)底层的制备：称取如下重量份数的原料：玉米秸秆40份，稻草20份，棉花秸秆20份，稻壳10份，石膏15份，水50份；将玉米秸秆、稻草、棉花秸秆、稻壳用破碎机粉碎，再加入石膏与水，放入纸浆桶中进行泡浆，泡浆时间为5h，然后投入碎浆机中在60℃下粉碎，使原料离解为纤维，过滤筛选去除粗纤维及杂质，将制作好的浆液倒入模具中，晾干后制得；
(2)中间层的制备：称取如下重量份数的原料：聚碳酸酯颗粒60份、三氯氰胺30份，淀粉20份，石棉绒15份、橡胶8份，有机添加料10份，聚对苯二甲酸乙二醇酯5份，碳酸钙3份，发泡剂2份、分子筛原粉0.5份；将所有原料粉碎，混合，加热至150度，加入高速混合机中用1000r/min的速度进行搅拌混合，搅拌30min，放入模具中挤出成型。
(3)复合制膜：取5层制备好的纸板层，用粘合剂进行粘合，制得复合板；
(4)热压：将复合纸板至于温度110℃、热压压力40MPa条件下进行热压；
(5)冷却：将热压好的复合纸板放于零下五度的环境下进行冷却30分钟；
(6)将冷却后的复合纸板装订成纸箱。
优选地，所述步骤(2)中的粘合剂由如下重量份数的原料制成：γ-环糊精/软脂酸酯化物25份、甲基丙烯酸镁10份、羟乙基纤维素5份、4A分子筛活化粉5份、海泡石纤维粉5份、异构十三醇聚氧乙烯醚3份、葡萄糖酸钠3份、过氧化二异丙苯0.5份。
所述步骤(2)的石棉绒使用前经过物理改性处理，其具体改性方法为：将石棉绒加热至130℃保温研磨5min，然后加入多聚谷氨酸和氯化聚氯乙烯，继续在130℃下保温研磨30min，研磨结束后立即转入-5℃环境中密封静置3h，并再次加热至130℃保温研磨30min，最后在研磨下自然冷却至室温，即得改性石棉绒。
所述石棉绒、多聚谷氨酸和氯化聚氯乙烯的质量比为10:3:3。
所述多聚谷氨酸选自水处理级多聚谷氨酸。
实施例3
一种复合保温包装箱的加工方法，其特征在于，包括以下步骤：
(1)底层的制备：称取如下重量份数的原料：玉米秸秆35份，稻草15份，棉花秸秆15份，稻壳8份，石膏13份，水45份；将玉米秸秆、稻草、棉花秸秆、稻壳用破碎机粉碎，再加入石膏与水，放入纸浆桶中进行泡浆，泡浆时间为4h，然后投入碎浆机中在60℃下粉碎，使原料离解为纤维，过滤筛选去除粗纤维及杂质，将制作好的浆液倒入模具中，晾干后制得；
(2)中间层的制备：称取如下重量份数的原料：聚碳酸酯颗粒55份、三氯氰胺25份，淀粉15份，石棉绒13份、橡胶6份，有机添加料8份，聚对苯二甲酸乙二醇酯3份，碳酸钙2份，发泡剂1份、分子筛原粉0.3份；将所有原料粉碎，混合，加热至140度，加入高速混合机中用900r/min的速度进行搅拌混合，搅拌25min，放入模具中挤出成型。
(3)复合制膜：取4层制备好的纸板层，用粘合剂进行粘合，制得复合板；
(4)热压：将复合纸板至于温度90-110℃、热压压力35MPa条件下进行热压；
(5)冷却：将热压好的复合纸板放于零下五度的环境下进行冷却25分钟；
(6)将冷却后的复合纸板装订成纸箱。
优选地，所述步骤(2)中的粘合剂由如下重量份数的原料制成：γ-环糊精/软脂酸酯化物20份、甲基丙烯酸镁8份、羟乙基纤维素3份、4A分子筛活化粉3份、海泡石纤维粉3份、异构十三醇聚氧乙烯醚2份、葡萄糖酸钠2份、过氧化二异丙苯0.3份。
所述步骤(2)的石棉绒使用前经过物理改性处理，其具体改性方法为：将石棉绒加热至130℃保温研磨5min，然后加入多聚谷氨酸和氯化聚氯乙烯，继续在130℃下保温研磨30min，研磨结束后立即转入-5℃环境中密封静置3h，并再次加热至130℃保温研磨30min，最后在研磨下自然冷却至室温，即得改性石棉绒。
所述石棉绒、多聚谷氨酸和氯化聚氯乙烯的质量比为8:2:2。
所述多聚谷氨酸选自水处理级多聚谷氨酸。
实验验证，按上述实施例1-3进行验证，得到相关数据如下：
验证结果表明，本产品工艺稳定可靠，成品率高，适合产业化生产。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (5)

1.一种复合保温包装箱的加工方法，其特征在于，包括以下步骤：
(1)底层的制备：称取如下重量份数的原料：玉米秸秆30-40份，稻草10-20份，棉花秸秆10-20份，稻壳5-10份，石膏10-15份，水40-50份；将玉米秸秆、稻草、棉花秸秆、稻壳用破碎机粉碎，再加入石膏与水，放入纸浆桶中进行泡浆，泡浆时间为3-5h，然后投入碎浆机中在60℃下粉碎，使原料离解为纤维，过滤筛选去除粗纤维及杂质，将制作好的浆液倒入模具中，晾干后制得；
(2)中间层的制备：称取如下重量份数的原料：聚碳酸酯颗粒50-60份、三氯氰胺20-30份，淀粉10-20份，石棉绒10-15份、橡胶4-8份，有机添加料5-10份，聚对苯二甲酸乙二醇酯1-5份，碳酸钙1-3份，发泡剂0.5-2份、分子筛原粉0.1-0.5份；将所有原料粉碎，混合，加热至120-150度，加入高速混合机中用800-1000r/min的速度进行搅拌混合，搅拌20-30min，放入模具中挤出成型。
(3)复合制膜：取3-5层制备好的纸板层，用粘合剂进行粘合，制得复合板；
(4)热压：将复合纸板至于温度90-110℃、热压压力30-40MPa条件下进行热压；
(5)冷却：将热压好的复合纸板放于零下五度的环境下进行冷却20-30分钟；
(6)将冷却后的复合纸板装订成纸箱。
2.根据权利要求1所述的复合保温包装箱的加工方法，其特征在于：所述步骤(2)中的粘合剂由如下重量份数的原料制成：γ-环糊精/软脂酸酯化物15-25份、甲基丙烯酸镁5-10份、羟乙基纤维素1-5份、4A分子筛活化粉1-5份、海泡石纤维粉1-5份、异构十三醇聚氧乙烯醚0.5-3份、葡萄糖酸钠0.5-3份、过氧化二异丙苯0.05-0.5份。
3.根据权利要求1所述的复合保温包装箱的加工方法，其特征在于：所述步骤(2)的石棉绒使用前经过物理改性处理，其具体改性方法为：将石棉绒加热至125-130℃保温研磨5min，然后加入多聚谷氨酸和氯化聚氯乙烯，继续在125-130℃下保温研磨30min，研磨结束后立即转入-5℃环境中密封静置3h，并再次加热至125-130℃保温研磨30min，最后在研磨下自然冷却至室温，即得改性石棉绒。
4.根据权利要求3所述的复合保温包装箱的加工方法，其特征在于：所述石棉绒、多聚谷氨酸和氯化聚氯乙烯的质量比为5-10:0.5-3:0.5-3。
5.根据权利要求3所述的复合保温包装箱的加工方法，其特征在于：所述多聚谷氨酸选自水处理级多聚谷氨酸。
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