CN104177691A - 一种薄膜 - Google Patents

一种薄膜 Download PDF

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Publication number
CN104177691A
CN104177691A CN201410436362.5A CN201410436362A CN104177691A CN 104177691 A CN104177691 A CN 104177691A CN 201410436362 A CN201410436362 A CN 201410436362A CN 104177691 A CN104177691 A CN 104177691A
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Prior art keywords
film
parts
film according
polyethylene
degradable
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CN201410436362.5A
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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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Priority to CN201410436362.5A priority Critical patent/CN104177691A/zh
Publication of CN104177691A publication Critical patent/CN104177691A/zh
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    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • 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
    • C08L2207/062—HDPE
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

本发明涉及一种薄膜，其组分及重量份数为：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，普鲁兰多糖5-8份，PBM降解材料60-80份，润滑剂10-30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

一种薄膜
技术领域
本发明属于塑料薄膜材料领域，尤其是一种薄膜。
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薄膜。
本发明实现目的的技术方案是：
一种薄膜，其组分及重量份数为：
而且，所述聚乙烯为低密度聚乙烯、高密度聚乙烯按照质量比3:2混料。
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PBM降解材料是利用农业生物质资源为主要原料生产的生物降解材料，是采用淀粉、植物油脂等为主要原料合成的全降解天然高分子材料经特殊处理后，与水溶性高分子材料及少量树脂复合而成，该PBM降解材料为市售商品。
而且，所述润滑剂包括脂肪酸酰胺、脂肪酸酯、脂肪酸盐成分在内的润滑成分中的至少一种。
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
一种薄膜，其组分及重量数为：
实施例2
一种薄膜，其组分及重量数为：
实施例3
一种薄膜，其组分及重量数为：

Claims (8)

1.一种薄膜，其特征在于：
其组分及重量份数为：
2.根据权利要求1所述的一种薄膜，其特征在于：所述聚乙烯为低密度聚乙烯、高密度聚乙烯按照质量比3:2混料。
3.根据权利要求1所述的一种薄膜，其特征在于：所述抗氧剂是抗氧剂1010或抗氧剂168。
4.根据权利要求1所述的一种薄膜，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。
5.根据权利要求1所述的一种薄膜，其特征在于：所述聚乙烯蜡采用PE520。
6.根据权利要求1所述的一种薄膜，其特征在于：所述乙烯-丁烯聚合物DF-740。
7.根据权利要求1所述的一种薄膜，其特征在于：所述PBM降解材料是利用农业生物质资源为主要原料生产的生物降解材料，是采用淀粉、植物油脂等为主要原料合成的全降解天然高分子材料经特殊处理后，与水溶性高分子材料及少量树脂复合而成，该PBM降解材料为市售商品。
8.根据权利要求1所述的一种薄膜，其特征在于：所述润滑剂包括脂肪酸酰胺、脂肪酸酯、脂肪酸盐成分在内的润滑成分中的至少一种。
CN201410436362.5A 2014-08-29 2014-08-29 一种薄膜 Pending CN104177691A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106243665A (zh) * 2016-07-29 2016-12-21 江苏蓝湾生物科技有限公司 一种医用耐高温防雾化包装膜的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106243665A (zh) * 2016-07-29 2016-12-21 江苏蓝湾生物科技有限公司 一种医用耐高温防雾化包装膜的制备方法

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