CN108912354A - 一种耐热抗菌包装膜的制备方法 - Google Patents

一种耐热抗菌包装膜的制备方法 Download PDF

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CN108912354A
CN108912354A CN201810546623.7A CN201810546623A CN108912354A CN 108912354 A CN108912354 A CN 108912354A CN 201810546623 A CN201810546623 A CN 201810546623A CN 108912354 A CN108912354 A CN 108912354A
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凌云
凌天阳
金可心
夏戊君
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SUZHOU YOUJUN ENVIRONMENTAL SCIENCE AND TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种耐热抗菌包装膜的制备方法，该方法包括以下步骤：按质量份配比称取各组分：LDPE80‑90份、聚氯乙烯10‑15份、抗菌剂3‑5份、硅微粉3‑7份、茶多酚2‑8份、2‑吡啶酚‑1‑氧化钠5‑10份、碳纳米管10‑14份、卵磷脂2‑3份、羟基丙烯酸树脂10‑15份、碳酸氢铵16‑20份、聚乙烯蜡5‑15份、聚异丁烯双丁二酰亚胺4‑8份、马来酸酐1‑3份、硫化烷基酚钙1‑4份、甘油30‑40份；然后进行混合均匀，于双螺杆挤出机中挤出造粒，得到母料；再将母料通过塑料吹膜机挤出吹膜，然后冷却，自然干燥。本发明制备包装膜具有良好的抗菌和耐热性能，综合性能好，且制备方法简单，具有良好的应用价值。

Description

一种耐热抗菌包装膜的制备方法
技术领域
本发明涉及一种耐热抗菌包装膜的制备方法。
背景技术
包装膜主要由几种不同牌号的树脂混合挤出而成，由于包装膜的品种繁多，性能跨度很大，从性能相似、相近到完全不同的产品均有工业化生产。包装膜不仅原料耗用量小，而且具有加工方便、能量耗费低、成型效率高等综合优势，因而具有价格低廉的优点。由于包装膜具有众多的优点，其中特别突出的是可以通过各种材料的合理组合设计制造出所期望的、比较理想的特定的包装膜，因而具有极佳的性价比，表现出强大的市场竞争力得到了人们的广泛关注与用户的青睐，发展很快，其应用涵盖了食品、医药、轻工、纺织、日用小商品等几乎工农业生产的所有领域。
包装膜不仅可以采用不同树脂，采用不同配方，通过不同工艺制造性能不同的各种单层薄膜，而且还可以通过多种材料间的不同组合得到成百上千的各不相同的品种，满足各种不同的需要。而近年来，食物的微波加热方式以其便捷、卫生的优点得到日益广泛的普及。食物被包在包装膜中或放进包装袋中，放入微波炉加热，食物会产生大量的热蒸汽积聚在袋内，因此要求这种包装膜或包装袋在微波加热过程中不会融化或爆裂。
发明内容
本发明的目的在于提供一种耐热抗菌包装膜的制备方法。
为了实现上述目的，本发明提供了一种耐热抗菌包装膜的制备方法，该方法包括以下步骤：按质量份配比称取各组分：LDPE80-90份、聚氯乙烯10-15份、抗菌剂3-5份、硅微粉3-7份、茶多酚2-8份、2-吡啶酚-1-氧化钠5-10份、碳纳米管10-14份、卵磷脂2-3份、羟基丙烯酸树脂10-15份、碳酸氢铵16-20份、聚乙烯蜡5-15份、聚异丁烯双丁二酰亚胺4-8份、马来酸酐1-3份、硫化烷基酚钙1-4份、甘油30-40份；然后进行混合均匀，于双螺杆挤出机中挤出造粒，得到母料；再将母料通过塑料吹膜机挤出吹膜，然后冷却，自然干燥。
所述吹膜机料筒后段温度分三段控制，分别控制在190-200℃，料筒前段温度分三段控制，分别控制在180-190℃，吹胀比为1.5-2，螺杆转速20-30转/分钟，牵引速度20-25米/分钟。
所述纳米银的粒径为10-30nm。
所述混合均匀的搅拌温度为30-40℃，搅拌转速120-150转/分钟，搅拌时间20-30分钟。
所述抗菌剂为纳米银和蒙脱土在乙醇中以600-2000rmp的转速混合0.5-1小时；混合后以8000-12000rmp的转速离心20-40分钟而成。
有益效果：本发明制备包装膜具有良好的抗菌和耐热性能，综合性能好，且制备方法简单，具有良好的应用价值。
具体实施方式
实施例1
一种耐热抗菌包装膜的制备方法，该方法包括以下步骤：按质量份配比称取各组分：LDPE80份、聚氯乙烯10份、抗菌剂3份、硅微粉3份、茶多酚2份、2-吡啶酚-1-氧化钠5份、碳纳米管10份、卵磷脂2份、羟基丙烯酸树脂10份、碳酸氢铵16份、聚乙烯蜡5份、聚异丁烯双丁二酰亚胺4份、马来酸酐1份、硫化烷基酚钙1份、甘油30份；然后进行混合均匀，于双螺杆挤出机中挤出造粒，得到母料；再将母料通过塑料吹膜机挤出吹膜，然后冷却，自然干燥。
所述吹膜机料筒后段温度分三段控制，分别控制在190-200℃，料筒前段温度分三段控制，分别控制在180-190℃，吹胀比为1.5-2，螺杆转速20-30转/分钟，牵引速度20-25米/分钟。
所述纳米银的粒径为10-30nm。
所述混合均匀的搅拌温度为30-40℃，搅拌转速120-150转/分钟，搅拌时间20-30分钟。
所述抗菌剂为纳米银和蒙脱土在乙醇中以600-2000rmp的转速混合0.5-1小时；混合后以8000-12000rmp的转速离心20-40分钟而成。
实施例2
一种耐热抗菌包装膜的制备方法，该方法包括以下步骤：按质量份配比称取各组分：LDPE90份、聚氯乙烯15份、抗菌剂5份、硅微粉7份、茶多酚8份、2-吡啶酚-1-氧化钠10份、碳纳米管14份、卵磷脂3份、羟基丙烯酸树脂15份、碳酸氢铵20份、聚乙烯蜡15份、聚异丁烯双丁二酰亚胺8份、马来酸酐3份、硫化烷基酚钙4份、甘油40份；然后进行混合均匀，于双螺杆挤出机中挤出造粒，得到母料；再将母料通过塑料吹膜机挤出吹膜，然后冷却，自然干燥。
所述吹膜机料筒后段温度分三段控制，分别控制在190-200℃，料筒前段温度分三段控制，分别控制在180-190℃，吹胀比为1.5-2，螺杆转速20-30转/分钟，牵引速度20-25米/分钟。
所述纳米银的粒径为10-30nm。
所述混合均匀的搅拌温度为30-40℃，搅拌转速120-150转/分钟，搅拌时间20-30分钟。
所述抗菌剂为纳米银和蒙脱土在乙醇中以600-2000rmp的转速混合0.5-1小时；混合后以8000-12000rmp的转速离心20-40分钟而成。
实施例3
一种耐热抗菌包装膜的制备方法，该方法包括以下步骤：按质量份配比称取各组分：LDPE85份、聚氯乙烯13份、抗菌剂4份、硅微粉5份、茶多酚5份、2-吡啶酚-1-氧化钠7份、碳纳米管12份、卵磷脂2份、羟基丙烯酸树脂13份、碳酸氢铵17份、聚乙烯蜡9份、聚异丁烯双丁二酰亚胺6份、马来酸酐2份、硫化烷基酚钙3份、甘油35份；然后进行混合均匀，于双螺杆挤出机中挤出造粒，得到母料；再将母料通过塑料吹膜机挤出吹膜，然后冷却，自然干燥。
所述吹膜机料筒后段温度分三段控制，分别控制在190-200℃，料筒前段温度分三段控制，分别控制在180-190℃，吹胀比为1.5-2，螺杆转速20-30转/分钟，牵引速度20-25米/分钟。
所述纳米银的粒径为10-30nm。
所述混合均匀的搅拌温度为30-40℃，搅拌转速120-150转/分钟，搅拌时间20-30分钟。
所述抗菌剂为纳米银和蒙脱土在乙醇中以600-2000rmp的转速混合0.5-1小时；混合后以8000-12000rmp的转速离心20-40分钟而成。

Claims (5)

1.一种耐热抗菌包装膜的制备方法，其特征在于该方法包括以下步骤：按质量份配比称取各组分：LDPE80-90份、聚氯乙烯10-15份、抗菌剂3-5份、硅微粉3-7份、茶多酚2-8份、2-吡啶酚-1-氧化钠5-10份、碳纳米管10-14份、卵磷脂2-3份、羟基丙烯酸树脂10-15份、碳酸氢铵16-20份、聚乙烯蜡5-15份、聚异丁烯双丁二酰亚胺4-8份、马来酸酐1-3份、硫化烷基酚钙1-4份、甘油30-40份；然后进行混合均匀，于双螺杆挤出机中挤出造粒，得到母料；再将母料通过塑料吹膜机挤出吹膜，然后冷却，自然干燥。
2.根据权利要求1所述的一种耐热抗菌包装膜的制备方法，其特征在于：所述吹膜机料筒后段温度分三段控制，分别控制在190-200℃，料筒前段温度分三段控制，分别控制在180-190℃，吹胀比为1.5-2，螺杆转速20-30转/分钟，牵引速度20-25米/分钟。
3.根据权利要求1所述的一种耐热抗菌包装膜的制备方法，其特征在于：所述纳米银的粒径为10-30nm。
4.根据权利要求1所述的一种耐热抗菌包装膜的制备方法，其特征在于：所述混合均匀的搅拌温度为30-40℃，搅拌转速120-150转/分钟，搅拌时间20-30分钟。
5.根据权利要求1所述的一种耐热抗菌包装膜的制备方法，其特征在于：所述抗菌剂为纳米银和蒙脱土在乙醇中以600-2000rmp的转速混合0.5-1小时；混合后以8000-12000rmp的转速离心20-40分钟而成。
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CN109679191A (zh) * 2018-12-29 2019-04-26 海盐帝豪包装材料有限公司 一种耐高温彩印包装袋及其生产工艺
CN111171425A (zh) * 2019-12-31 2020-05-19 江苏百兴管业科技有限公司 一种耐高温环保塑料颗粒及其制备方法
CN111549394A (zh) * 2020-05-15 2020-08-18 许昌鸿洋生化实业发展有限公司 一种抗菌光变聚氯乙烯假发纤维及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679191A (zh) * 2018-12-29 2019-04-26 海盐帝豪包装材料有限公司 一种耐高温彩印包装袋及其生产工艺
CN111171425A (zh) * 2019-12-31 2020-05-19 江苏百兴管业科技有限公司 一种耐高温环保塑料颗粒及其制备方法
CN111549394A (zh) * 2020-05-15 2020-08-18 许昌鸿洋生化实业发展有限公司 一种抗菌光变聚氯乙烯假发纤维及其制备方法
CN111549394B (zh) * 2020-05-15 2021-08-31 许昌鸿洋生化实业发展有限公司 一种抗菌光变聚氯乙烯假发纤维及其制备方法

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Application publication date: 20181130