CN103865261B - 一种用于饮品的包装材料 - Google Patents
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Abstract
本发明属于包装材料领域，公开了一种用于饮品的包装材料，由聚己二酸己二胺50-60，聚乙烯醇45-50，聚偏二氯乙烯30-35，聚乙二醇20-25，聚羟基乙酸18-22，玉米淀粉12-16，竹纤维10-13，鸡蛋壳粉8-10，脂肪酸钠6-9，氧化锌5-7，环氧大豆油3-4，滑石粉1-2以及硅藻土1-2制备而成。本发明还公开了上述包装材料的制备方法。本发明制备的包装材料机械性能、塑料性能、抗菌性能以及生物降解性能较好，可广泛应用于饮料食品领域。
Description
技术领域
本发明属于食品包装技术领域，具体涉及一种用于饮品的包装材料，尤其涉及一种用于饮品的生物可降解包装材料。
背景技术
饮品需要包装进行销售，包装材料分为玻璃制品、金属制品以及塑料制品等。根据不同的饮料类型，可以选择相应的包装材料。目前，用途较为广泛的是塑料包装材料。塑料材料中的聚乙烯塑料包装制品，属一次性包装用品，价格低廉，在日常生活中被广泛应用。由于基本上没有回收利用价值，回收率极低，因其质轻和难以降解的特性造成随风漂移，污染土地和水面，占我国已形成的白色垃圾中的主要组成部分。目前，我国已明令禁止超薄膜塑料袋的生产、销售和使用。
在寻求可降解塑料解决塑料垃圾污染的研究过程中，以淀粉为基础原料得到的生物降解塑料得到了迅速的发展。在可生物降解塑料中，淀粉这种天然高分子物质具有来源广泛、价格低廉、再生周期短、能在多种环境下完全生物降解、不会对环境产生任何污染等优点，是发展前景很好的天然生物降解材料。但纯淀粉基塑料的机械性能和耐热性能较低，使其推广应用受到了很大限制。现有技术CN102417615A公开了一种生物可降解塑料，该塑料具备一定的生物可降解性，但是也存在降解性能较差以及基本的塑料性能降低等缺陷；中国发明专利CN201210228005公开了一种可降解塑料，该塑料具备一定的降解能力，但是其塑料性能和机械性能较差，不宜用于饮品的储存。中国发明专利CN201310383930公开了一种用于饮料食品的复合包装袋，该包装袋塑料性能和机械性能较好，但是可降解性能较差，容易造成环境污染。
如何开发一种塑料性能和机械性能较好，兼具备降解性能的饮品包装材料是现有技术迫切需要解决的技术问题。
发明内容
为了克服上述现有技术中存在的问题，本发明的目的是提供塑料性能和机械性能较好，兼具备降解性能的饮品包装材料。
本发明的另一目的是提供上述饮品包装材料的制备方法。
为了实现上述目的，本发明所采用的技术方案是：
一种用于饮品的包装材料，其由如下重量份的原料制备而成：
聚己二酸己二胺50-60，聚乙烯醇45-50，聚偏二氯乙烯30-35，聚乙二醇20-25，聚羟基乙酸18-22，玉米淀粉12-16，竹纤维10-13，鸡蛋壳粉8-10，脂肪酸钠6-9，氧化锌5-7，环氧大豆油3-4，滑石粉1-2，硅藻土1-2；所述玉米淀粉、鸡蛋壳粉、滑石粉以及硅藻土的粒径均控制在300目以上。
本发明还公开了上述包装材料的制备方法，该方法包括如下步骤：
1)按照重量份称取各原料；
2)将原料依次加入反应器中，反应器的温度控制在70-80℃，边添加原料边搅拌，搅拌均匀后，静置反应10分钟得到混合物A；
3)将步骤2)得到的混合物A导入长径比为34∶1的单螺杆挤出机挤压成熔融状态得到熔融体；
4将步骤3)得到的熔融体涂布到镜面不锈钢带上，然后置于40-50℃的温度，湿度为80％的湿热环境下熟化12小时，随后进入干燥室中干燥至水分含量为1-2％，最后从不锈钢带上剥离，分切即得。
本发明取得的有益效果主要包括如下几点：
本发明与现有技术相比，塑料性能和机械性能好，并且制备方法简单可行，适用于大规模到工业化生产；发明饮品包装材料可以有效地生物降解，降解率可达80％以上，对环境无污染，可应用于饮料食品领域；本发明选择原料低廉，并且选用了废弃原料鸡蛋壳粉，提高了机械性能，变废为宝，一举两得；本发明选择原料以及配比合理，并且添加了竹纤维和滑石粉，提高了抗菌性能；本发明提高了聚偏二氯乙烯的比例，增强了材料的阻氧和阻湿热的性能。
具体实施方式
为了更好地理解本发明，下面通过以下实施例对本发明作进一步具体的阐述，但不可理解为对本发明的限定，对于本领域的技术人员根据上述发明内容所作的一些非本质的改进与调整，也视为落在本发明的保护范围内。
实施例1
一种用于饮品的包装材料，其由如下重量份的原料制备而成：
聚己二酸己二胺(又称：聚己二酰己二胺，缩写NY66)50，聚乙烯醇45，聚偏二氯乙烯30，聚乙二醇20，聚羟基乙酸18，玉米淀粉12，竹纤维10，鸡蛋壳粉8，脂肪酸钠6，氧化锌5，环氧大豆油3，滑石粉1，硅藻土1；所述玉米淀粉、鸡蛋壳粉、滑石粉以及硅藻土的粒径均控制在300目以上。
上述包装材料的制备方法，包括如下步骤：
1)按照重量份称取各原料；
2)将原料依次加入反应器中，反应器的温度控制在70℃，边添加原料边搅拌，搅拌均匀后，静置反应10分钟得到混合物A；
3)将步骤2)得到的混合物A导入长径比为34∶1的单螺杆挤出机挤压成熔融状态得到熔融体；
4将步骤3)得到的熔融体涂布到镜面不锈钢带上，然后置于40℃的温度，湿度为80％的湿热环境下熟化12小时，随后进入干燥室中干燥至水分含量为1％，最后从不锈钢带上剥离，分切即得；可以根据需要制备成包装袋或者包装盒等。
实施例2
一种用于饮品的包装材料，其由如下重量份的原料制备而成：
聚己二酸己二胺60，聚乙烯醇50，聚偏二氯乙烯35，聚乙二醇25，聚羟基乙酸22，玉米淀粉16，竹纤维13，鸡蛋壳粉10，脂肪酸钠9，氧化锌7，环氧大豆油4，滑石粉2，硅藻土2；所述玉米淀粉、鸡蛋壳粉、滑石粉以及硅藻土的粒径均控制在300目以上。
上述包装材料的制备方法，该方法包括如下步骤：
1)按照重量份称取各原料；
2)将原料依次加入反应器中，反应器的温度控制在80℃，边添加原料边搅拌，搅拌均匀后，静置反应10分钟得到混合物A；
3)将步骤2)得到的混合物A导入长径比为34∶1的单螺杆挤出机挤压成熔融状态得到熔融体；
4将步骤3)得到的熔融体涂布到镜面不锈钢带上，然后置于50℃的温度，湿度为80％的湿热环境下熟化12小时，随后进入干燥室中干燥至水分含量为2％，最后从不锈钢带上剥离，分切即得；可以根据需要制备成包装袋或者包装盒等。
实施例3
本发明制备的包装材料性能试验参数见下表1，以实施例1制备的厚度为60微米的包装膜和实施例2制备的厚度为100微米的包装膜为例：
表1
结论：通过性能试验参数可以发现，本发明制备的包装材料的机械性能、塑料性能以及抗菌性能较好，完全可以取代现有市场塑料产品，并且生物降解率可达80％以上，大大降低了包装材料对环境的污染，可广泛应用于饮料食品领域。
最后，还需要注意的是，以上列举的仅是本发明的若干个具体实施例。显然，本发明不限于以上实施例，还可以有许多变形。本领域的普通技术人员能从本发明公开的内容直接导出或联想到的所有变形，均应认为是本发明的保护范围。
Claims (3)
1.一种用于饮品的包装材料，其特征在于，所述包装材料由如下重量份的原料制备而成：聚己二酸己二胺50-60，聚乙烯醇45-50，聚偏二氯乙烯30-35，聚乙二醇20-25，聚羟基乙酸18-22，玉米淀粉12-16，竹纤维10-13，鸡蛋壳粉8-10，脂肪酸钠6-9，氧化锌5-7，环氧大豆油3-4，滑石粉1-2，硅藻土1-2；所述玉米淀粉、鸡蛋壳粉、滑石粉以及硅藻土的粒径均控制在300目以上。
2.如权利要求1所述的包装材料，其特征在于，所述包装材料的制备方法包括如下步骤：
1)按照重量份称取各原料；
2)将各原料依次加入反应器中，反应器的温度控制在70-80℃，边添加原料边搅拌，搅拌均匀后，静置反应10分钟得到混合物A；
3)将步骤2)得到的混合物A导入长径比为34∶1的单螺杆挤出机挤压成熔融状态得到熔融体；
4)将步骤3)得到的熔融体涂布到镜面不锈钢带上，然后置于40-50℃的温度，湿度为80％的湿热环境下熟化12小时，随后进入干燥室中干燥至水分含量为1-2％，最后从不锈钢带上剥离，分切即得。
3.权利要求1-2任其一所述的包装材料在饮品包装中的应用。
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| CN105110434A (zh) * | 2015-09-10 | 2015-12-02 | 苏州凯欧曼新材料科技有限公司 | 一种水处理用抗菌剂及其制备方法 |
| CN106147085A (zh) * | 2016-08-24 | 2016-11-23 | 安徽顺彤包装材料有限公司 | 一种保温隔热包装材料及其制备方法 |
| CN106280409A (zh) * | 2016-08-30 | 2017-01-04 | 刘平 | 一种易降解的抗菌尼龙复合材料及其制备方法 |
| CN106543602A (zh) * | 2016-11-24 | 2017-03-29 | 安徽省天乐塑业有限公司 | 一种药品用包装材料及其制备方法 |
| CN107474447A (zh) * | 2017-08-15 | 2017-12-15 | 安徽华猫软包装有限公司 | 一种用于饮品的包装材料及其制备方法 |
| CN108892900B (zh) * | 2018-06-19 | 2019-06-11 | 山东农业大学 | 一种用于熟食制品包装的pvdc组合物及其制备方法 |
| CN109181284A (zh) * | 2018-07-10 | 2019-01-11 | 武汉工程大学 | 一种完全生物降解高阻隔聚酰胺基复合薄膜材料及其制备方法 |
| CN108929535A (zh) * | 2018-07-26 | 2018-12-04 | 界首市鑫龙机械设备购销有限公司 | 一种汽车零部件用抗冲击耐油复合塑料 |
| TWI748511B (zh) * | 2020-06-11 | 2021-12-01 | 力陞綠色科技有限公司 | 一次性卵殼環保材料及製造方法 |
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