CN107793647A - 一种环保包装材料的制备方法 - Google Patents

一种环保包装材料的制备方法 Download PDF

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CN107793647A
CN107793647A CN201711180614.2A CN201711180614A CN107793647A CN 107793647 A CN107793647 A CN 107793647A CN 201711180614 A CN201711180614 A CN 201711180614A CN 107793647 A CN107793647 A CN 107793647A
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周顺花
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Abstract

本发明公开了一种环保包装材料的制备方法,包括以下步骤:1)将碳酸钙、蒙脱土混合球磨至平均粒径为200‑800nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙50‑70份,蒙脱土20‑60份;2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉25‑30份,木质纤维素8‑12份,硬脂酸铁3‑8份,淀粉2‑5份;本发明制备的包装材料具有对环境污染少,易于降解且降解时间短的优点。

Description

一种环保包装材料的制备方法
技术领域
本发明涉及一种环保包装材料的制备方法。
背景技术
随着我国包装工业的快速发展,包装生产在促进国民经济建设、改善人民群众物质文化生活中的地位作用日益显现。包装产业作为一个独立的行业体系,其发展已经被列入国民经济和社会发展规划。
传统的高分子包装材料在自然界中很难降解,在带给人们方便的同时,也产生了巨大的污染,因此我们急需研究一种对环境友好的包装材料。
发明内容
本发明所要解决的技术问题是,克服以上现有技术的缺点:提供一种对环境污染少,易于降解且降解时间短的环保包装材料的制备方法。
本发明的技术解决方案如下:一种环保包装材料的制备方法,包括以下步骤:
1)将碳酸钙、蒙脱土混合球磨至平均粒径为200-800nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙50-70份,蒙脱土20-60份;
2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉25-30份,木质纤维素 8-12份,硬脂酸铁3-8份,淀粉2-5份;
3) 将步骤2)制备的改性混合粉与聚丙烯以重量比为1︰3-5混合,置于螺杆挤出机中挤出造粒,所述挤出机工作温度为165℃-260℃。
作为优选,步骤1)中,所述碳酸钙、蒙脱土混合球磨至平均粒径为500nm。
作为优选,步骤1)中,按重量份计,碳酸钙70份,蒙脱土30份。
作为优选,步骤2)中,按重量份计,各组分配比为:填料混合粉30份,木质纤维素12份,硬脂酸铁8份,淀粉5份。
作为优选,步骤3)中,所述挤出机工作温度为200℃-230℃。
本发明的有益效果是: 本发明通过改性混合粉对聚丙烯进行改性,有效确保包装材料强度的同时,提高了其可降解性能,降低了降解时间,改性混合粉采用碳酸钙与蒙脱土混合,能改善其韧性,避免填料的增加导致材料脆性增大,影响包装强度,本发明包装材料可以采用注塑、吹塑、薄膜流延或模压等工艺制成包装盒等产品,丢弃后2年内能自然降解,对环境友好。
具体实施方式
下面用具体实施例对本发明做进一步详细说明,但本发明不仅局限于以下具体实施例。
实施例一
一种环保包装材料的制备方法,包括以下步骤:
1)将碳酸钙、蒙脱土混合球磨至平均粒径为200nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙70份,蒙脱土30份;
2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉30份,木质纤维素 12份,硬脂酸铁8份,淀粉5份;
3) 将步骤2)制备的改性混合粉与聚丙烯以重量比为1︰3混合,置于螺杆挤出机中挤出造粒,所述挤出机挤出工作温度为165℃-260℃。
实施例二
一种环保包装材料的制备方法,包括以下步骤:
1)将碳酸钙、蒙脱土混合球磨至平均粒径为500nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙70份,蒙脱土30份;
2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉25份,木质纤维素 8份,硬脂酸铁3份,淀粉5份;
3) 将步骤2)制备的改性混合粉与聚丙烯以重量比为1︰3-5混合,置于螺杆挤出机中挤出造粒,所述挤出机工作温度为200℃-230℃。
实施例三
一种环保包装材料的制备方法,包括以下步骤:
1)将碳酸钙、蒙脱土混合球磨至平均粒径为500nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙70份,蒙脱土30份;
2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉28份,木质纤维素 10份,硬脂酸铁8份,淀粉5份;
3) 将步骤2)制备的改性混合粉与聚丙烯以重量比为1︰5混合,置于螺杆挤出机中挤出造粒,所述挤出机工作温度为200℃-230℃。
实施例四
一种环保包装材料的制备方法,包括以下步骤:
1)将碳酸钙、蒙脱土混合球磨至平均粒径为800nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙50份,蒙脱土60份;
2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉30份,木质纤维素 12份,硬脂酸铁8份,淀粉5份。
3) 将步骤2)制备的改性混合粉与聚丙烯以重量比为1︰3混合,置于螺杆挤出机中挤出造粒,所述挤出机工作温度为260℃。
以上仅是本发明的特征实施范例,对本发明保护范围不构成任何限制。凡采用同等交换或者等效替换而形成的技术方案,均落在本发明权利保护范围之内。

Claims (5)

1.一种环保包装材料的制备方法,其特征在于:包括以下步骤:
1)将碳酸钙、蒙脱土混合球磨至平均粒径为200-800nm,得到填料混合粉;按重量份计,各组分配比为:碳酸钙50-70份,蒙脱土20-60份;
2)取步骤1)制备好的填料混合粉与木质纤维素、淀粉、硬脂酸铁混合得到改性混合粉;按重量份计,各组分配比为:填料混合粉25-30份,木质纤维素 8-12份,硬脂酸铁3-8份,淀粉2-5份;
3) 将步骤2)制备的改性混合粉与聚丙烯以重量比为1︰3-5混合,置于螺杆挤出机中挤出造粒,所述挤出机工作温度为165℃-260℃。
2.根据权利要求1所述的环保包装材料的制备方法,其特征在于:步骤1)中,所述碳酸钙、蒙脱土混合球磨至平均粒径为500nm。
3.根据权利要求1所述的环保包装材料的制备方法,其特征在于:步骤1)中,按重量份计,碳酸钙70份,蒙脱土30份。
4. 根据权利要求1所述的环保包装材料的制备方法,其特征在于:步骤2)中,按重量份计,各组分配比为:填料混合粉30份,木质纤维素 12份,硬脂酸铁8份,淀粉5份。
5.根据权利要求1所述的环保包装材料的制备方法,其特征在于:步骤3)中,所述挤出机工作温度为200℃-230℃。
CN201711180614.2A 2017-11-23 2017-11-23 一种环保包装材料的制备方法 Pending CN107793647A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109575437A (zh) * 2018-11-20 2019-04-05 曹峰 一种高韧性改性聚丙烯粒料的制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104788809A (zh) * 2015-03-31 2015-07-22 苏州市鼎立包装有限公司 一种编织袋及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104788809A (zh) * 2015-03-31 2015-07-22 苏州市鼎立包装有限公司 一种编织袋及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109575437A (zh) * 2018-11-20 2019-04-05 曹峰 一种高韧性改性聚丙烯粒料的制备方法

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Application publication date: 20180313