CN111748129A - 一种生物降解包装袋 - Google Patents

一种生物降解包装袋 Download PDF

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CN111748129A
CN111748129A CN201910241303.5A CN201910241303A CN111748129A CN 111748129 A CN111748129 A CN 111748129A CN 201910241303 A CN201910241303 A CN 201910241303A CN 111748129 A CN111748129 A CN 111748129A
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starch
packaging bag
plant fiber
polyhydroxyalkanoate
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龙其成
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Anqing Kangmingna Packaging Co ltd
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
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    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/12—Agar-agar; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2421/00—Characterised by the use of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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Abstract

一种生物降解包装袋，由如下重量份的物质制成：70‑80份淀粉、0.5‑1份蔗糖酯、8‑10份植物纤维、聚羟基脂肪酸酯30‑35份、茁霉多糖20‑25份、乙烯‑乙烯醇共聚物15‑20份、纳米胶粉10‑15份、6‑8份滑石粉、0.5‑0.8份赤石脂、4‑6份琼脂、2‑3份甘油、增塑剂5‑10份，本发明所用成分均可完全降解对环境无污染，主要成分为淀粉和植物纤维以及聚羟基脂肪酸酯，不仅取材方便且价格低廉；添加的蔗糖酯同时具有亲水和亲油基团，可进入淀粉颗粒的螺旋体结构中，与直链淀粉结合形成稳定的络合物，抑制淀粉分子的结晶，延缓淀粉的老化，同时提高淀粉的耐热温度和粘度，提高成型效果，本发明的包装袋在室外自然条件下2个月可以降解，不会产生白色污染。

Description

一种生物降解包装袋
技术领域
本发明属于包装袋制造领域，尤其涉及一种生物降解包装袋。
背景技术
包装袋，顾名思义，就是用来装放物品的袋子，一个小小的包装袋，就给千家万户带来了方便。据中国塑协塑料再生利用专业委员会统计，我国每天包装袋的使用量高达30亿个，其中仅用于市场购物的包装袋就达20亿个，目前，市场上使用的包装袋大多是由聚乙烯原料制成，常用的有：高压低密度聚乙烯、低压高密度聚乙烯和线性低密度聚乙烯，也有少量的包装袋采用聚氯乙烯生产，这种包装袋由于使用数量庞大，造成了很严重的资源浪费和环境污染。
包装袋的主要处理方式有填埋和焚烧，填埋处理需要占用大量的土地，并且聚乙烯包装袋填埋在地下至少需要几百年才能腐烂，严重污染土壤；如果采取焚烧的处理方式，则是会生成有害烟尘和有毒气体，长期污染空气，影响人类的生存健康。目前，市场上也推出了生物降解包装袋，然而这些包装袋要么就只有少部分可降解的原料能降解，大部分还是采用不可降解的聚乙烯，要么就是虽然能降解，但是包装袋的强度不够，易于开裂，无法满足人们的使用要求
发发明内容
为了解决上述问题，本发明提供了一种生物降解包装袋，具有成本低、性能好、无污染的特点。
本发明所要解决的技术问题采用以下技术方案来解决上述技术问题的：
一种生物降解包装袋，由如下重量份的物质制成：
70-80份淀粉、0.5-1份蔗糖酯、8-10份植物纤维、聚羟基脂肪酸酯30-35份、茁霉多糖20-25份、乙烯-乙烯醇共聚物15-20份、纳米胶粉10-15份、6-8份滑石粉、0.5-0.8份赤石脂、4-6份琼脂、2-3份甘油、增塑剂5-10份；
其制备方法为：
(1)将70-80份淀粉、0.5-1份蔗糖酯混合后放入高速混合搅拌机内，控制转速为300-350rpm，搅拌10-15min；
(2)将8-10份植物纤维、3-5份聚丁二酸丁二醇酯、6-8份滑石粉、0.5-0.8份赤石脂、4-6份琼脂、2-3份甘油、聚羟基脂肪酸酯30-35份、茁霉多糖20-25份、乙烯-乙烯醇共聚物15-20份、纳米胶粉10-15份、增塑剂5-10份加入到高速混合搅拌机内，控制转速为400-450rpm，搅拌15-20min得混合料备用；
(3)将混合料送入将混合料通过挤出机塑化挤出，挤出料经过造粒吹膜后制成所述可降解的包装袋；
进一步的，所述淀粉为玉米淀粉、木薯淀粉、魔芋淀粉、山药淀粉的一种或几种以任意比例配比组成；
进一步的，所述植物纤维由稻草秸秆、小麦秸秆、蔬菜杆茎、甘蔗渣、芦苇杆的一种或几种以任意比例配比提取组成。
本发明具有如下有益效果：本发明所用成分均可完全降解对环境无污染，主要成分为淀粉和植物纤维以及聚羟基脂肪酸酯，不仅取材方便且价格低廉；添加的蔗糖酯同时具有亲水和亲油基团，可进入淀粉颗粒的螺旋体结构中，与直链淀粉结合形成稳定的络合物，抑制淀粉分子的结晶，延缓淀粉的老化，同时提高淀粉的耐热温度和粘度，提高成型效果，本发明的包装袋在室外自然条件下2个月可以降解，不会产生白色污染。
具体实施方式
下面结合具体实施方式对本发明的技术方案作进一步具体说明。
一种生物降解包装袋，由如下重量份的物质制成：
70-80份淀粉、0.5-1份蔗糖酯、8-10份植物纤维、聚羟基脂肪酸酯30-35份、茁霉多糖20-25份、乙烯-乙烯醇共聚物15-20份、纳米胶粉10-15份、6-8份滑石粉、0.5-0.8份赤石脂、4-6份琼脂、2-3份甘油、增塑剂5-10份；其制备方法为：
(1)将70-80份淀粉、0.5-1份蔗糖酯混合后放入高速混合搅拌机内，控制转速为300-350rpm，搅拌10-15min；
(2)将8-10份植物纤维、3-5份聚丁二酸丁二醇酯、6-8份滑石粉、0.5-0.8份赤石脂、4-6份琼脂、2-3份甘油、聚羟基脂肪酸酯30-35份、茁霉多糖20-25份、乙烯-乙烯醇共聚物15-20份、纳米胶粉10-15份、增塑剂5-10份加入到高速混合搅拌机内，控制转速为400-450rpm，搅拌15-20min得混合料备用；
(3)将混合料送入将混合料通过挤出机塑化挤出，挤出料经过造粒吹膜后制成所述可降解的包装袋；
进一步的，所述淀粉为玉米淀粉、木薯淀粉、魔芋淀粉、山药淀粉的一种或几种以任意比例配比组成。
进一步的，所述植物纤维由稻草秸秆、小麦秸秆、蔬菜杆茎、甘蔗渣、芦苇杆的一种或几种以任意比例配比提取组成。
以上所述的具体实施例，对本发明的解决的技术问题，技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述的仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改等同替换、改进等，均应包含在本发明的的保护范围内。

Claims (3)

1.一种生物降解包装袋，其特征在于，一种生物降解包装袋，由如下重量份的物质制成：70-80份淀粉、0.5-1份蔗糖酯、8-10份植物纤维、聚羟基脂肪酸酯30-35份、茁霉多糖20-25份、乙烯-乙烯醇共聚物15-20份、纳米胶粉10-15份、6-8份滑石粉、0.5-0.8份赤石脂、4-6份琼脂、2-3份甘油、增塑剂5-10份；
其制备方法为：
(1)将70-80份淀粉、0.5-1份蔗糖酯混合后放入高速混合搅拌机内，控制转速为300-350rpm，搅拌10-15min；
(2)将8-10份植物纤维、3-5份聚丁二酸丁二醇酯、6-8份滑石粉、0.5-0.8份赤石脂、4-6份琼脂、2-3份甘油、聚羟基脂肪酸酯30-35份、茁霉多糖20-25份、乙烯-乙烯醇共聚物15-20份、纳米胶粉10-15份、增塑剂5-10份加入到高速混合搅拌机内，控制转速为400-450rpm，搅拌15-20min得混合料备用；
(3)将混合料送入将混合料通过挤出机塑化挤出，挤出料经过造粒吹膜后制成所述可降解的包装袋。
2.根据权利要求1所述的一种生物降解包装袋，其特征在于，所述淀粉为玉米淀粉、木薯淀粉、魔芋淀粉、山药淀粉的一种或几种以任意比例配比组成。
3.根据权利要求1所述的一种生物降解包装袋，其特征在于，所述植物纤维由稻草秸秆、小麦秸秆、蔬菜杆茎、甘蔗渣、芦苇杆的一种或几种以任意比例配比提取组成。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118702A (zh) * 1994-02-07 1996-03-20 黄铁文 一种防治感冒的外用保健袋
CN101942117A (zh) * 2010-09-25 2011-01-12 梁靖 一种淀粉基全降解包装材料及其制备方法
CN104098791A (zh) * 2014-06-30 2014-10-15 安徽巢湖南方膜业有限责任公司 一种可生物降解的热塑性淀粉-聚乙烯薄膜
CN105037817A (zh) * 2015-08-11 2015-11-11 安徽鑫科生物环保有限公司 一种可完全降解的一次性餐具
CN105295109A (zh) * 2015-10-19 2016-02-03 界首市佳宝包装材料有限公司 一种可生物降解的方便面包装袋
CN106496762A (zh) * 2016-11-23 2017-03-15 广西大学 一种可降解环保塑料及其制备方法
CN107936310A (zh) * 2017-12-21 2018-04-20 苏州星火丰盈环保包装有限公司 一种可降解马夹购物袋及其生产工艺
CN109370236A (zh) * 2018-11-26 2019-02-22 桐城市宜春包装有限公司 一种环保型塑料食品包装袋

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118702A (zh) * 1994-02-07 1996-03-20 黄铁文 一种防治感冒的外用保健袋
CN101942117A (zh) * 2010-09-25 2011-01-12 梁靖 一种淀粉基全降解包装材料及其制备方法
CN104098791A (zh) * 2014-06-30 2014-10-15 安徽巢湖南方膜业有限责任公司 一种可生物降解的热塑性淀粉-聚乙烯薄膜
CN105037817A (zh) * 2015-08-11 2015-11-11 安徽鑫科生物环保有限公司 一种可完全降解的一次性餐具
CN105295109A (zh) * 2015-10-19 2016-02-03 界首市佳宝包装材料有限公司 一种可生物降解的方便面包装袋
CN106496762A (zh) * 2016-11-23 2017-03-15 广西大学 一种可降解环保塑料及其制备方法
CN107936310A (zh) * 2017-12-21 2018-04-20 苏州星火丰盈环保包装有限公司 一种可降解马夹购物袋及其生产工艺
CN109370236A (zh) * 2018-11-26 2019-02-22 桐城市宜春包装有限公司 一种环保型塑料食品包装袋

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