CN109354723A - 一种可降解的包装袋的制备方法 - Google Patents

一种可降解的包装袋的制备方法 Download PDF

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CN109354723A
CN109354723A CN201811377036.6A CN201811377036A CN109354723A CN 109354723 A CN109354723 A CN 109354723A CN 201811377036 A CN201811377036 A CN 201811377036A CN 109354723 A CN109354723 A CN 109354723A
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史树财
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Pizhou Dingbang Logistics Co Ltd
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/06Biodegradable
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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Abstract

本发明属于包装材料技术领域,具体涉及一种可降解的包装袋的制备方法。步骤:将按照重量份计将如下原料混合均匀:淀粉、纤维素、醋酸、聚乙烯、聚丙烯、聚丁烯、聚聚丙烯腈基碳纤维钠、聚甲基乙撑碳酸酯、聚聚丙烯腈基碳纤维钠、聚丙烯腈基碳纤维、可降解聚己内酯、粉碎玄武岩纤维、可再分散乳胶粉、脂肪酸酰胺、羟甲基纤维素、3‑羟基丁酸酯‑4‑羟基丁酸酯共聚物、纳米级二氧化钛、壳聚糖、乙酸乙酯杨酸苯酯、腐植酸、木质磺酸盐、微晶蜡、乙酰柠檬酸三丁酯、表面活性剂、乙酸乙酯;将混合物送入双螺杆挤出机中挤出造粒,再对所得的粒料进行吹塑成型,切割后即可。

Description

一种可降解的包装袋的制备方法
技术领域
本发明属于包装材料技术领域,具体涉及一种可降解的包装袋的制备方法。
背景技术
可降解塑料袋分为以下几类:
微生物组成生物降解塑料袋,包含生物聚酯、生物纤维素、多糖类和聚氨基酸等,是一类能完全被自然界中微生物分化的生物降解塑料袋。聚乙烯微生物降解塑料袋,是以微生物发酵产品乳酸为单体化学组成的。运用后可主动降解。
聚乙烯能够被加工成力学性能优良的纤维和薄膜,其强度和尼龙纤维和聚酯纤维适当。聚乙烯在生物体内可被乙酸乙酯解成乳酸和乙酸,并经酶代谢为二氧化碳和乙酸乙酯,格外适用于医用资料。在日本、美国现已运用聚乙烯塑料加工成手术缝合线、人工骨、人工肌肤。聚乙烯还被用于出产包装容器、农用地膜、纤维用运动服和被褥等。
淀粉塑料袋,含淀粉在90%以上,增加的其他组份也是能完全降解的(1月~1年)完全生物降解塑料袋而不留任何痕迹,无污染,可用于制作各种容器、瓶罐、薄膜袋和垃圾袋等。淀粉在各种环境中都具有完全的生物降解才能,塑料袋中的淀粉分子降解或灰化后,构成二氧化碳气体,不对土壤或空气发作毒害。
但是,淀粉基的塑料袋存在着强度不高的问题。
发明内容
本发明所实际解决的技术问题是:提供强度一种可降解的包装袋的制备方法。
本发明采用的技术方案如下:
一种可降解的包装袋的制备方法,制备方法包括以下步骤:
将按照重量份计将如下原料混合均匀 :淀粉40~50份、纤维素2~3份、醋酸2~3份、聚乙烯1~2份、聚丙烯3~5份、聚丁烯3~5份、聚聚丙烯腈基碳纤维钠3~7份、聚甲基乙撑碳酸酯6~12份、聚聚丙烯腈基碳纤维钠3~5份、聚丙烯腈基碳纤维2~4份、可降解聚己内酯1~2份、粉碎玄武岩纤维1~3份、可再分散乳胶粉5~8份、脂肪酸酰胺10~15份、羟甲基纤维素5~9份、3-羟基丁酸酯-4-羟基丁酸酯共聚物4~7份、纳米级二氧化钛3~6份、壳聚糖2~5份、乙酸乙酯杨酸苯酯1~2份、腐植酸5~8份、木质磺酸盐5~8份、微晶蜡2~8份、乙酰柠檬酸三丁酯3~6份、表面活性剂1~2份、乙酸乙酯20~30份;
将混合物送入双螺杆挤出机中挤出造粒,再对所得的粒料进行吹塑成型,切割后即可。
所述的表面活性剂是阳离子表面活性剂。
所述的阳离子表面活性剂是季铵盐系。
双螺杆挤出机挤出温度一区温度110~130℃、二区温度120~150℃、三区温度130~145℃、四区温度160~170℃、五区温度160~145℃,螺杆转速为150~180 rpm。
有益效果:本发明提供的可降解的包装袋具有强度高的优点。
具体实施方式
下面通过具体实施例对本发明作进一步详细介绍,但不局限于此。
实施例1
一种可降解的包装袋,制备方法包括以下步骤:
将按照重量份计将如下原料混合均匀 :淀粉40份、纤维素2份、醋酸2份、聚乙烯1份、聚丙烯3份、聚丁烯3份、聚聚丙烯腈基碳纤维钠3份、聚甲基乙撑碳酸酯6份、聚聚丙烯腈基碳纤维钠3份、聚丙烯腈基碳纤维2份、可降解聚己内酯1份、粉碎玄武岩纤维1份、可再分散乳胶粉5份、脂肪酸酰胺10份、羟甲基纤维素5份、3-羟基丁酸酯-4-羟基丁酸酯共聚物4份、纳米级二氧化钛3份、壳聚糖2份、乙酸乙酯杨酸苯酯1份、腐植酸5份、木质磺酸盐5份、微晶蜡2份、乙酰柠檬酸三丁酯3份、表面活性剂1份、乙酸乙酯20份。
将混合物送入双螺杆挤出机中挤出造粒,再对所得的粒料进行吹塑成型,切割后即可;双螺杆挤出机挤出温度一区温度12℃、二区温度140℃、三区温度145℃、四区温度15℃、五区温度150℃,螺杆转速为170 rpm。
离子表面活性剂是季铵盐系。
实施例2
一种可降解的包装袋,制备方法包括以下步骤:
将按照重量份计将如下原料混合均匀 :淀粉50份、纤维素3份、醋酸3份、聚乙烯2份、聚丙烯5份、聚丁烯5份、聚聚丙烯腈基碳纤维钠7份、聚甲基乙撑碳酸酯12份、聚聚丙烯腈基碳纤维钠5份、聚丙烯腈基碳纤维4份、可降解聚己内酯2份、粉碎玄武岩纤维3份、可再分散乳胶粉8份、脂肪酸酰胺15份、羟甲基纤维素9份、3-羟基丁酸酯-4-羟基丁酸酯共聚物7份、纳米级二氧化钛6份、壳聚糖5份、乙酸乙酯杨酸苯酯2份、腐植酸8份、木质磺酸盐8份、微晶蜡8份、乙酰柠檬酸三丁酯6份、表面活性剂2份、乙酸乙酯30份。
将混合物送入双螺杆挤出机中挤出造粒,再对所得的粒料进行吹塑成型,切割后即可;双螺杆挤出机挤出温度一区温度12℃、二区温度140℃、三区温度145℃、四区温度15℃、五区温度150℃,螺杆转速为170 rpm。
离子表面活性剂是季铵盐系。
实施例3
一种可降解的包装袋,制备方法包括以下步骤:
将按照重量份计将如下原料混合均匀 :淀粉40份、纤维素3份、醋酸2份、聚乙烯1份、聚丙烯5份、聚丁烯4份、聚聚丙烯腈基碳纤维钠4份、聚甲基乙撑碳酸酯8份、聚聚丙烯腈基碳纤维钠4份、聚丙烯腈基碳纤维3、可降解聚己内酯1份、粉碎玄武岩纤维2份、可再分散乳胶粉5份、脂肪酸酰胺15份、羟甲基纤维素5份、3-羟基丁酸酯-4-羟基丁酸酯共聚物5份、纳米级二氧化钛5份、壳聚糖3份、乙酸乙酯杨酸苯酯1份、腐植酸5份、木质磺酸盐8份、微晶蜡8份、乙酰柠檬酸三丁酯6份、表面活性剂1份、乙酸乙酯24份。
将混合物送入双螺杆挤出机中挤出造粒,再对所得的粒料进行吹塑成型,切割后即可;双螺杆挤出机挤出温度一区温度12℃、二区温度140℃、三区温度145℃、四区温度15℃、五区温度150℃,螺杆转速为170 rpm。
离子表面活性剂是季铵盐系。
将实施例1、2、3所得的可降解的包装袋进行性能试验,该包装袋在4到6个月内即可崩裂成13cm2的碎块,一年后基本上可以被土壤消纳。
实施例1 实施例2 实施例3
拉伸强度(纵向) MPa 15.6 14.5 16.3
拉伸强度(横向) MPa 17.8 18.9 19.5
透光率(%) 88% 89% 83%
薄膜厚度(mm) 0.023 0.018 0.015
可以看出,该包装袋具有具有较好的强度。

Claims (4)

1.一种可降解的包装袋,其特征在于,制备方法包括以下步骤:将按照重量份计将如下原料混合均匀 :淀粉40~50份、纤维素2~3份、醋酸2~3份、聚乙烯1~2份、聚丙烯3~5份、聚丁烯3~5份、聚聚丙烯腈基碳纤维钠3~7份、聚甲基乙撑碳酸酯6~12份、聚聚丙烯腈基碳纤维钠3~5份、聚丙烯腈基碳纤维2~4份、可降解聚己内酯1~2份、粉碎玄武岩纤维1~3份、可再分散乳胶粉5~8份、脂肪酸酰胺10~15份、羟甲基纤维素5~9份、3-羟基丁酸酯-4-羟基丁酸酯共聚物4~7份、纳米级二氧化钛3~6份、壳聚糖2~5份、乙酸乙酯杨酸苯酯1~2份、腐植酸5~8份、木质磺酸盐5~8份、微晶蜡2~8份、乙酰柠檬酸三丁酯3~6份、表面活性剂1~2份、乙酸乙酯20~30份;将混合物送入双螺杆挤出机中挤出造粒,再对所得的粒料进行吹塑成型,切割后即可。
2.根据权利要求1所述的可降解的包装袋,其特征在于,所述的表面活性剂是阳离子表面活性剂。
3.根据权利要求1所述的可降解的包装袋,其特征在于,所述的阳离子表面活性剂是季铵盐系。
4.根据权利要求1所述的可降解的包装袋,其特征在于,双螺杆挤出机挤出温度一区温度110~130℃、二区温度120~150℃、三区温度130~145℃、四区温度160~170℃、五区温度160~145℃,螺杆转速为150~180 rpm。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111793251A (zh) * 2020-07-30 2020-10-20 华南理工大学 一种淀粉基塑料餐具及其制备方法
CN112391008A (zh) * 2020-11-12 2021-02-23 韩先锋 一种防静电环保包装袋
CN116948263A (zh) * 2023-04-03 2023-10-27 广东省贵来新材料科技有限公司 用于可降解包装袋的纤维素高分子材料及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111793251A (zh) * 2020-07-30 2020-10-20 华南理工大学 一种淀粉基塑料餐具及其制备方法
CN112391008A (zh) * 2020-11-12 2021-02-23 韩先锋 一种防静电环保包装袋
CN116948263A (zh) * 2023-04-03 2023-10-27 广东省贵来新材料科技有限公司 用于可降解包装袋的纤维素高分子材料及其制备方法

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Application publication date: 20190219