CN107383917A - 一种可分解隔热包装用塑料薄膜及其制备方法 - Google Patents
一种可分解隔热包装用塑料薄膜及其制备方法 Download PDFInfo
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Abstract
本发明公开的一种可分解隔热包装用塑料薄膜，按重量份计，包括以下重量份的原料组分：秸秆纤维20‑40份、谷壳粉10‑15份，铝基层状纳米材料10‑15份，聚碳酸酯1‑2份、明胶1‑2份，亚麻纤维2‑8份，氢氧化钾2‑6份，醋酸丁酸纤维素13‑15份，氮丙啶2‑5份，滑石粉0.5‑1份、蓖麻油蜡5‑6份、二氧化硅粉1‑3份，四氢呋喃2‑4份，聚乙烯8‑13份，纳米有机蒙脱土0.5‑1份，发泡剂2‑4份，陶土2‑4份。本发明可分解隔热包装用塑料薄膜，其采取的材料对环境无害，可以降解，绿色环保，同时具有隔热效果，适用于熟食的包装。
Description
技术领域
本发明涉及可降解食品包装材料，特别是涉及一种可分解隔热包装用塑料薄膜。
背景技术
塑料薄膜主要用于包装以及用作覆膜层。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。但现有塑料薄膜的抗拉伸能力及刚性都较差，从而导致承载一定重量的外物时容易破裂，并给日常使用带来麻烦。
发明内容
本发明的目的在于提供一种可降解食品包装材料，其采取的材料对环境无害，可以降解，绿色环保可隔热。
本发明的目的可以通过以下技术方案实现：
一种可分解隔热包装用塑料薄膜，按重量份计，包括以下重量份的原料组分：秸秆纤维20-40份、谷壳粉10-15份，铝基层状纳米材料10-15份，聚碳酸酯1-2份、明胶1-2份，亚麻纤维2-8份，氢氧化钾2-6份，醋酸丁酸纤维素13-15份，氮丙啶2-5份，滑石粉0.5-1份、蓖麻油蜡5-6份、二氧化硅粉1-3份，四氢呋喃2-4份，聚乙烯8-13份，纳米有机蒙脱土0.5-1份，发泡剂2-4份，陶土2-4份。
优选的，所述的一种可分解隔热包装用塑料薄膜，按重量份计，包括以下重量份的原料组分：秸秆纤维30份、谷壳粉12份，铝基层状纳米材料10份，聚碳酸酯1.5份、明胶1份，亚麻纤维4份，氢氧化钾4份，醋酸丁酸纤维素15份，氮丙啶3份，滑石粉1份、蓖麻油蜡5份、二氧化硅粉2份，四氢呋喃3份，聚乙烯10份，纳米有机蒙脱土0.5份，发泡剂2份，陶土2份。
优选的，所述发泡剂为铝粉和氢氧化钠反应产物，其中在制备过程中氢氧化钠采用浓度为4-6％的溶液。
制备方法包括以下步骤：
(1)按照重量份数比称取各原料组分；
(2)将步骤(1)中已准备好的各原料组分加入混炼机中充分搅拌均匀，搅拌时间为12-15分钟，温度控制为85-90℃，得到原料混合物；
(3)将步骤(2)中的原料混合物加入挤压机中，挤压成型，冷却，得到塑料薄膜成品。
本发明的有益效果：提供一种可降解食品包装材料，其采取的材料对环境无害，可以降解，绿色环保，该包装材料质量轻，外壁光滑，内部形成中空闭合气泡网状结构，有弹性、抗冲击、隔热性能好，本发明包装材料废弃到自然环境中自行生物降解，最终生成CO2、H2O及腐殖质，是EPS发泡塑料和纸浆模塑材料的理想替代品。
具体实施方式
为了便于本领域技术人员理解，下面结合具体实施例对本发明作进一步的说明。
实施例1
一种可分解隔热包装用塑料薄膜，按重量份计，包括以下重量份的原料组分：秸秆纤维30份、谷壳粉12份，铝基层状纳米材料10份，聚碳酸酯1.5份、明胶1份，亚麻纤维4份，氢氧化钾4份，醋酸丁酸纤维素15份，氮丙啶3份，滑石粉1份、蓖麻油蜡5份、二氧化硅粉2份，四氢呋喃3份，聚乙烯10份，纳米有机蒙脱土0.5份，发泡剂2份，陶土2份。
制备方法包括以下步骤：
(1)按照重量份数比称取各原料组分；
(2)将步骤(1)中已准备好的各原料组分加入混炼机中充分搅拌均匀，搅拌时间为12-15分钟，温度控制为85-90℃，得到原料混合物；
(3)将步骤(2)中的原料混合物加入挤压机中，挤压成型，冷却，得到塑料薄膜成品。
实施例2
一种可分解隔热包装用塑料薄膜，按重量份计，包括以下重量份的原料组分：秸秆纤维40份、谷壳粉15份，铝基层状纳米材料10份，聚碳酸酯1份、明胶1份，亚麻纤维5份，氢氧化钾6份，醋酸丁酸纤维素15份，氮丙啶2份，滑石粉0.5份、蓖麻油蜡5份、二氧化硅粉1份，四氢呋喃4份，聚乙烯10份，纳米有机蒙脱土1份，发泡剂3份，陶土3份。
制备方法包括以下步骤：
(1)按照重量份数比称取各原料组分；
(2)将步骤(1)中已准备好的各原料组分加入混炼机中充分搅拌均匀，搅拌时间为12-15分钟，温度控制为85-90℃，得到原料混合物；
(3)将步骤(2)中的原料混合物加入挤压机中，挤压成型，冷却，得到塑料薄膜成品。
实施例3
一种可分解隔热包装用塑料薄膜，按重量份计，包括以下重量份的原料组分：秸秆纤维20份、谷壳粉10份，铝基层状纳米材料10份，聚碳酸酯1份、明胶1份，亚麻纤维2份，氢氧化钾2份，醋酸丁酸纤维素13份，氮丙啶2份，滑石粉0.5份、蓖麻油蜡5份、二氧化硅粉1份，四氢呋喃2份，聚乙烯8份，纳米有机蒙脱土0.5份，发泡剂2份，陶土2份。
制备方法包括以下步骤：
(1)按照重量份数比称取各原料组分；
(2)将步骤(1)中已准备好的各原料组分加入混炼机中充分搅拌均匀，搅拌时间为12-15分钟，温度控制为85-90℃，得到原料混合物；
(3)将步骤(2)中的原料混合物加入挤压机中，挤压成型，冷却，得到塑料薄膜成品。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (4)
1.一种可分解隔热包装用塑料薄膜，其特征在于，按重量份计，包括以下重量份的原料组分：秸秆纤维20-40份、谷壳粉10-15份，铝基层状纳米材料10-15份，聚碳酸酯1-2份、明胶1-2份，亚麻纤维2-8份，氢氧化钾2-6份，醋酸丁酸纤维素13-15份，氮丙啶2-5份，滑石粉0.5-1份、蓖麻油蜡5-6份、二氧化硅粉1-3份，四氢呋喃2-4份，聚乙烯8-13份，纳米有机蒙脱土0.5-1份，发泡剂2-4份，陶土2-4份。
2.根据权利要求1所述的一种可分解隔热包装用塑料薄膜，其特征在于，按重量份计，包括以下重量份的原料组分：秸秆纤维30份、谷壳粉12份，铝基层状纳米材料10份，聚碳酸酯1.5份、明胶1份，亚麻纤维4份，氢氧化钾4份，醋酸丁酸纤维素15份，氮丙啶3份，滑石粉1份、蓖麻油蜡5份、二氧化硅粉2份，四氢呋喃3份，聚乙烯10份，纳米有机蒙脱土0.5份，发泡剂2份，陶土2份。
3.根据权利要求1所述的一种可分解隔热包装用塑料薄膜，其特征在于，所述发泡剂为铝粉和氢氧化钠反应产物，其中在制备过程中氢氧化钠采用浓度为4-6％的溶液。
4.根据权利要求1所述的一种可分解隔热包装用塑料薄膜，其特征在于，制备方法包括以下步骤：
(1)按照重量份数比称取各原料组分；
(2)将步骤(1)中已准备好的各原料组分加入混炼机中充分搅拌均匀，搅拌时间为12-15分钟，温度控制为85-90℃，得到原料混合物；
(3)将步骤(2)中的原料混合物加入挤压机中，挤压成型，冷却，得到塑料薄膜成品。
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| CN104558989A (zh) * | 2013-10-24 | 2015-04-29 | 青岛华泓星塑胶有限公司 | 一种保温抗菌复合塑料薄膜 |
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| CN106147003A (zh) * | 2016-08-08 | 2016-11-23 | 安徽松泰包装材料有限公司 | 一种包装用塑料薄膜及其制备方法 |
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| CN104558989A (zh) * | 2013-10-24 | 2015-04-29 | 青岛华泓星塑胶有限公司 | 一种保温抗菌复合塑料薄膜 |
| CN104761919A (zh) * | 2015-03-28 | 2015-07-08 | 桐城市福润包装材料有限公司 | 一种可降解食品包装袋 |
| CN105504847A (zh) * | 2015-11-04 | 2016-04-20 | 桐城市人和包装有限公司 | 一种可分解环保隔热包装袋 |
| CN106147003A (zh) * | 2016-08-08 | 2016-11-23 | 安徽松泰包装材料有限公司 | 一种包装用塑料薄膜及其制备方法 |
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