CN104151680A - 一种环保可降解塑料薄膜 - Google Patents

一种环保可降解塑料薄膜 Download PDF

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CN104151680A
CN104151680A CN201410436100.9A CN201410436100A CN104151680A CN 104151680 A CN104151680 A CN 104151680A CN 201410436100 A CN201410436100 A CN 201410436100A CN 104151680 A CN104151680 A CN 104151680A
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parts
environment
oxygen
plastic film
friendly degradable
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郝永强
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TIANJIN KAIXUAN PLASTIC PRODUCTS CO Ltd
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TIANJIN KAIXUAN PLASTIC PRODUCTS CO Ltd
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    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

本发明涉及一种环保可降解塑料薄膜，其组分及重量份数为：玉米淀粉40-60份，低密度聚乙烯100份，聚碳酸酯10-20份，乙烯-丁烯聚合物12-15份，聚乙烯蜡5-10份，抗氧剂2-4份，紫外线吸收剂0.5-1份，柏木油4.5-6.5份。本发明提供的隔氧且可降解塑料薄膜在富氧及微生物的作用下会自动分解，废弃后的薄膜能被自然界中微生物完全降解消化，最终生成二氧化碳和水，较相同厚度的LDPE薄膜隔氧性能可提高40％。本发明的制备方法工艺简单、生产效率高、工业化实施容易、可用普通塑料吹膜机进行生产。

Description

一种环保可降解塑料薄膜
技术领域
本发明属于塑料薄膜材料领域，尤其是一种环保可降解塑料薄膜。
背景技术
可降解薄膜既具有传统塑料的功能和特性、又可在达到使用寿命之后，通过土壤和水中的微生物作用或通过阳光中的紫外线的作用，在自然环境中分裂降解，最终以还原形式重新进入生态环境中，回归大自然。国内研发的品种已涵盖光降解、光生物降解、光氧化生物降解、高淀粉含量型生物降解、高碳酸钙填充型光氧降解、全生物降解等。目前可降解材料市场有很多材料，但大致分为光热降解塑料及纯生物降解塑料，但是现有降解产品只顾及降解环境的一个方面，而对产品的物理机械性能即拉伸性能、断裂伸长率等不能满足最终产品的实际物理性能需求。
发明内容
本发明的目的在于克服现有技术的不足之处，提供一种具有更加优越的拉伸性能以及断裂伸长率的一种环保可降解塑料薄膜。
本发明实现目的的技术方案是：
一种环保可降解塑料薄膜，其组分及重量份数为：
而且，所述抗氧剂是抗氧剂1010或抗氧剂168。
而且，所述紫外线吸收剂是水杨酸苯酯或紫外线吸收剂UV-531。
而且，所述聚乙烯蜡采用PE520。
而且，所述乙烯-丁烯聚合物采用DF-740。
而且，所述所述的增塑剂是甘油或者乙二醇或者聚乙二醇。
而且，所述的热稳定剂是亚磷酸三苯酯。
本发明的优点和有益效果为：
本发明提供的隔氧且可降解塑料薄膜在富氧及微生物的作用下会自动分解，废弃后的薄膜能被自然界中微生物完全降解消化，最终生成二氧化碳和水，较相同厚度的LDPE薄膜隔氧性能可提高40％。本发明的制备方法工艺简单、生产效率高、工业化实施容易、可用普通塑料吹膜机进行生产。
具体实施方式
下面通过具体实施例对本发明作进一步详述，以下实施例只是描述性的，不是限定性的，不能以此限定本发明的保护范围。
如无特殊说明，本发明中所使用的试剂为常规试剂；如无特殊说明，所使用的方法为常规方法。
实施例1
一种环保可降解塑料薄膜，其组分及重量数为：
实施例2
一种环保可降解塑料薄膜，其组分及重量数为：
实施例3
一种环保可降解塑料薄膜，其组分及重量数为：

Claims (7)

1.一种环保可降解塑料薄膜，其特征在于：
其组分及重量份数为：
2.根据权利要求1所述的一种环保可降解塑料薄膜，其特征在于：所述抗氧剂是抗氧剂1010或抗氧剂168。
3.根据权利要求1所述的一种环保可降解塑料薄膜，其特征在于：所述紫外线吸收剂是水杨酸苯酯或紫外线吸收剂UV-531。
4.根据权利要求1所述的一种环保可降解塑料薄膜，其特征在于：所述聚乙烯蜡采用PE520。
5.根据权利要求1所述的一种环保可降解塑料薄膜，其特征在于：所述乙烯-丁烯聚合物DF-740。
6.根据权利要求1所述的一种环保可降解塑料薄膜，其特征在于：所述所述的增塑剂是甘油或者乙二醇或者聚乙二醇。
7.根据权利要求1所述的一种环保可降解塑料薄膜，其特征在于：所述的热稳定剂是亚磷酸三苯酯。
CN201410436100.9A 2014-08-29 2014-08-29 一种环保可降解塑料薄膜 Pending CN104151680A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110655686A (zh) * 2019-11-13 2020-01-07 浙江华发生态科技有限公司 一种高淀粉含量吹膜复合材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110655686A (zh) * 2019-11-13 2020-01-07 浙江华发生态科技有限公司 一种高淀粉含量吹膜复合材料及其制备方法

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