CN108912452A - 一种可生物降解塑料薄膜 - Google Patents

一种可生物降解塑料薄膜 Download PDF

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CN108912452A
CN108912452A CN201810708442.XA CN201810708442A CN108912452A CN 108912452 A CN108912452 A CN 108912452A CN 201810708442 A CN201810708442 A CN 201810708442A CN 108912452 A CN108912452 A CN 108912452A
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parts
plastic film
biodegradable plastic
horizontal
film
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毕力
高敏
陈鹏
刘勇
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Tongcheng He Yi Plastic Industry Co Ltd
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Tongcheng He Yi Plastic Industry Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256—Ground coverings
    • A01G13/0268—Mats or sheets, e.g. nets or fabrics
    • A01G13/0275—Films
    • 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
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02—Cellulose; Modified cellulose
    • 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
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06—Waxes

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

Abstract

本发明公开了一种可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉10‑20份、紫外线吸收剂2‑4份、聚乙烯70‑80份、纤维素10‑15份、抗氧化剂1‑3份、微晶石蜡3‑5份、防老剂2‑3份。本发明与现在技术相比，所制备的农用膜的力学性能按GB4455‑2006标准检测，其拉伸强度纵、横向≥14MPa，断裂伸长率纵、横向≥300％，直角撕裂强度纵、横向≥55KN/m。该膜的透光性好，对棉花起着增产的作用，并且经过60天的诱导期，150天的降解期后，其薄膜残片小于1×1cm2。

Description

一种可生物降解塑料薄膜
技术领域
本发明涉及可降解塑料薄膜，具体是一种可生物降解塑料薄膜。
背景技术
农用地膜可以起到保墒、保温、除草、杀虫四种作用，能大幅度提高农作物的产量。传统农用地膜的母粒是聚乙烯，这种材料具有优异的物理性能。但该塑料薄膜的降解时间长，广泛使用会造成严重的“白色污染”。目前解决塑料薄膜“白色污染”的主要途径是开发可降解农膜，目前的可降解农膜，其透光性差，造成棉花的减产，并且经过60天的诱导期，150天的降解期后，其残片大于4×4cm2，不能满足实际的需要。
发明内容
本发明提供了一种可生物降解塑料薄膜，以解决上述技术问题。
一种可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉10-20份、紫外线吸收剂2-4份、聚乙烯70-80份、纤维素10-15份、抗氧化剂1-3份、微晶石蜡3-5份、防老剂2-3份。
优选的，所述的可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉10份、紫外线吸收剂2份、聚乙烯70份、纤维素10份、抗氧化剂1份、微晶石蜡3份、防老剂2份。
优选的，所述的可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉15份、紫外线吸收剂3份、聚乙烯75份、纤维素12.5份、抗氧化剂2份、微晶石蜡4份、防老剂2.5份。
优选的，所述的可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉20份、紫外线吸收剂4份、聚乙烯80份、纤维素15份、抗氧化剂3份、微晶石蜡5份、防老剂3份。
本发明的有益效果：
本发明的有益效果是：本发明与现在技术相比，所制备的农用膜的力学性能按GB4455-2006标准检测，其拉伸强度纵、横向≥14MPa，断裂伸长率纵、横向≥300％，直角撕裂强度纵、横向≥55KN/m。该膜的透光性好，对棉花起着增产的作用，并且经过60天的诱导期，150天的降解期后，其薄膜残片小于1×1cm2。
具体实施方式
以下对本发明的实施例进行详细说明，但是本发明可以由权利要求限定和覆盖的多种不同方式实施。
以下通过具体实施例对本发明进行详细描述。
实施例1
一种可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉10份、紫外线吸收剂2份、聚乙烯70份、纤维素10份、抗氧化剂1份、微晶石蜡3份、防老剂2份。
实施例2
一种可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉15份、紫外线吸收剂3份、聚乙烯75份、纤维素12.5份、抗氧化剂2份、微晶石蜡4份、防老剂2.5份。
实施例3
一种可生物降解塑料薄膜，由如下原料按重量份组成：玉米淀粉20份、紫外线吸收剂4份、聚乙烯80份、纤维素15份、抗氧化剂3份、微晶石蜡5份、防老剂3份。
以上所述的本发明实施方式，并不构成对本发明保护范围的限定,任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明的权利要求保护范围之内。

Claims (4)

1.一种可生物降解塑料薄膜，其特征在于，由如下原料按重量份组成：玉米淀粉10-20份、紫外线吸收剂2-4份、聚乙烯70-80份、纤维素10-15份、抗氧化剂1-3份、微晶石蜡3-5份、防老剂2-3份。
2.根据权利要求1所述的可生物降解塑料薄膜，其特征在于，由如下原料按重量份组成：玉米淀粉10份、紫外线吸收剂2份、聚乙烯70份、纤维素10份、抗氧化剂1份、微晶石蜡3份、防老剂2份。
3.根据权利要求1所述的可生物降解塑料薄膜，其特征在于，由如下原料按重量份组成：玉米淀粉15份、紫外线吸收剂3份、聚乙烯75份、纤维素12.5份、抗氧化剂2份、微晶石蜡4份、防老剂2.5份。
4.根据权利要求1所述的可生物降解塑料薄膜，其特征在于，由如下原料按重量份组成：玉米淀粉20份、紫外线吸收剂4份、聚乙烯80份、纤维素15份、抗氧化剂3份、微晶石蜡5份、防老剂3份。
CN201810708442.XA 2018-07-02 2018-07-02 一种可生物降解塑料薄膜 Withdrawn CN108912452A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679183A (zh) * 2018-12-04 2019-04-26 李贵林 一种可降解聚乙烯改性材料及其制备方法
CN113336985A (zh) * 2021-06-03 2021-09-03 福建省立晟环保科技有限公司 一种高强度塑料薄膜生产方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106317549A (zh) * 2015-07-11 2017-01-11 潘文进 一种可降解塑料薄膜配方

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106317549A (zh) * 2015-07-11 2017-01-11 潘文进 一种可降解塑料薄膜配方

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679183A (zh) * 2018-12-04 2019-04-26 李贵林 一种可降解聚乙烯改性材料及其制备方法
CN113336985A (zh) * 2021-06-03 2021-09-03 福建省立晟环保科技有限公司 一种高强度塑料薄膜生产方法

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