CN108841022A - 塑料保鲜膜的制备方法 - Google Patents

塑料保鲜膜的制备方法 Download PDF

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Publication number
CN108841022A
CN108841022A CN201810348099.2A CN201810348099A CN108841022A CN 108841022 A CN108841022 A CN 108841022A CN 201810348099 A CN201810348099 A CN 201810348099A CN 108841022 A CN108841022 A CN 108841022A
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Prior art keywords
parts
linear low
polyethylene film
density polyethylene
preparation
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Inventor
王祖贤
华加美
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Jurong Feng Yun Plastic Products Co
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Jurong Feng Yun Plastic Products Co
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Priority to CN201810348099.2A priority Critical patent/CN108841022A/zh
Publication of CN108841022A publication Critical patent/CN108841022A/zh
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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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明提供了一种塑料保鲜膜的制备方法，称取50份‑80份的聚乙烯、10份‑20份乙烯‑醋酸乙烯共聚物、5份‑10份增塑剂，1份‑5份抗氧剂，然后放入双螺杆挤出机挤出线性低密度聚乙烯薄膜，在线性低密度聚乙烯薄膜上方固化UV涂层，在线性低密度聚乙烯薄膜下方粘接抗静电涂层。本发明延展性能好，抗静电能力强。

Description

塑料保鲜膜的制备方法
技术领域
本发明涉及塑料生产工艺领域，具体是一种塑料保鲜膜的制备方法。
背景技术
塑料是以单体为原料，通过加聚或缩聚反应聚合而成的高分子化合物(macromolecules)，俗称塑料(plastics)或树脂(resin)，可以自由改变成分及形体样式，由合成树脂及填料、增塑剂、稳定剂、润滑剂、色料等添加剂组成。
塑料的主要成分是树脂。树脂这一名词最初是由动植物分泌出的脂质而得名，如松香、虫胶等，树脂是指尚未和各种添加剂混合的高分子化合物。树脂约占塑料总重量的40%～100%。塑料的基本性能主要决定于树脂的本性，但添加剂也起着重要作用。有些塑料基本上是由合成树脂所组成，不含或少含添加剂，如有机玻璃、聚苯乙烯等。
包装膜中的聚乙烯膜简称PE膜，由乙烯聚合而得到的热塑性高分子聚合物，聚乙
烯薄膜无色、无味、无毒，呈半透明状。聚乙烯膜具有优良的介电性和耐潮性，在低温时能保持柔软性和化学稳定性。普通的聚乙烯膜，包括外层、中层和内层，所述内层为离子聚合物层，外层和中层为聚乙烯层，所述外层、中层和内层共挤复合连接。普通的聚乙烯膜具有良好的耐化学性、耐油脂性，但其延展性较差，且容易产生静电。
发明内容
本发明为了解决现有技术的问题，提供了一种塑料保鲜膜的制备方法，延展性能好，抗静电能力强。
本发明包括以下步骤：
1）称取50份-80份的聚乙烯、10份-20份乙烯-醋酸乙烯共聚物、5份-10份增塑剂，1份-5份抗氧剂；
2）放入双螺杆挤出机挤出线性低密度聚乙烯薄膜；
3）在线性低密度聚乙烯薄膜上方固化UV涂层；
4）在线性低密度聚乙烯薄膜下方粘接抗静电涂层。
进一步改进，所述的聚乙烯和乙烯-醋酸乙烯共聚物采用新料加再生料组合，所述再生料不超过新料质量的三分之一。
本发明有益效果在于：延展性能好，抗静电能力强。
具体实施方式
下面对本发明作进一步说明。
本发明包括以下步骤：
1）称取50份-80份的聚乙烯、10份-20份乙烯-醋酸乙烯共聚物、5份-10份增塑剂，1份-5份抗氧剂；
2）放入双螺杆挤出机挤出线性低密度聚乙烯薄膜；
3）在线性低密度聚乙烯薄膜上方固化UV涂层；
4）在线性低密度聚乙烯薄膜下方粘接抗静电涂层。
进一步改进，所述的聚乙烯和乙烯-醋酸乙烯共聚物采用新料加再生料组合，所述再生料不超过新料质量的三分之一。
本发明具体应用途径很多，以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以作出若干改进，这些改进也应视为本发明的保护范围。

Claims (2)

1.一种塑料保鲜膜的制备方法，其特征在于包括以下步骤：
1）称取50份-80份的聚乙烯、10份-20份乙烯-醋酸乙烯共聚物、5份-10份增塑剂，1份-5份抗氧剂；
2）放入双螺杆挤出机挤出线性低密度聚乙烯薄膜；
3）在线性低密度聚乙烯薄膜上方固化UV涂层；
4）在线性低密度聚乙烯薄膜下方粘接抗静电涂层。
2.根据权利要求1所述的塑料保鲜膜的制备方法，其特征在于：所述的聚乙烯和乙烯-醋酸乙烯共聚物采用新料加再生料组合，所述再生料不超过新料质量的三分之一。
CN201810348099.2A 2018-04-18 2018-04-18 塑料保鲜膜的制备方法 Pending CN108841022A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114126112A (zh) * 2021-11-23 2022-03-01 浙江波仕科技有限公司 一种高分子电热膜电极及其生产工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104893062A (zh) * 2014-08-19 2015-09-09 安庆市兴丰工贸有限公司 一种透明、低熔点pe塑料膜
CN105524333A (zh) * 2016-02-04 2016-04-27 四川汇利实业有限公司 一种具有良好热封性能的聚乙烯薄膜
CN106046506A (zh) * 2016-07-30 2016-10-26 程志刚 一种果蔬保鲜膜及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104893062A (zh) * 2014-08-19 2015-09-09 安庆市兴丰工贸有限公司 一种透明、低熔点pe塑料膜
CN105524333A (zh) * 2016-02-04 2016-04-27 四川汇利实业有限公司 一种具有良好热封性能的聚乙烯薄膜
CN106046506A (zh) * 2016-07-30 2016-10-26 程志刚 一种果蔬保鲜膜及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114126112A (zh) * 2021-11-23 2022-03-01 浙江波仕科技有限公司 一种高分子电热膜电极及其生产工艺

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