CN104530541A - 高韧性高强度peva膜 - Google Patents

高韧性高强度peva膜 Download PDF

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Publication number
CN104530541A
CN104530541A CN201410759636.4A CN201410759636A CN104530541A CN 104530541 A CN104530541 A CN 104530541A CN 201410759636 A CN201410759636 A CN 201410759636A CN 104530541 A CN104530541 A CN 104530541A
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Prior art keywords
parts
strength
toughness
peva film
peva
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CN201410759636.4A
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刘兵
刘静
董庆旭
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SHANDONG JIAHE PLASTICS PRODUCTS Co Ltd
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SHANDONG JIAHE PLASTICS PRODUCTS Co Ltd
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Priority to CN201410759636.4A priority Critical patent/CN104530541A/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
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/223—Packed additives
    • 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
    • C08J2323/08—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
    • 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
    • C08J2423/06—Polyethene
    • 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
    • C08L2205/03—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)

Abstract

高韧性高强度PEVA膜，包含以下的重量份数的组分制成：双峰PE 18.6份、高密度聚乙烯（HDPE）6.3份、乙烯-醋酸乙烯共聚物（EVA）25份、低密度聚乙烯（LDPE）8.5份、碳酸钙（CaCO3）5份、PE白色母料3～5份、苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）8～15份、防霉剂1～3份、流变母料0～1份，本发明的有益效果是由于组成成分中加入了一定量的苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）使得PEVA膜再保留了原有的良好韧性的同时，也得到了较大的拉伸强度和硬度，提高了产品的抗划痕性。

Description

高韧性高强度PEVA膜
技术领域
本发明涉及薄膜技术领域，更具体地说是一种高韧性高强度PEVA膜。
背景技术
PEVA即聚乙烯—醋酸乙烯酯,是由PE和EVA两种材料共混合成的，有良好柔软性和少许的弹性，是制造薄膜的常用材料之一，该材料制作的PEVA膜虽然具有良好的韧性，但是拉伸强度不足、产品易产生划痕，在某些使用中，不但要求薄膜具有良好的韧性还要有较高的拉伸强度，使得现有的PEVA膜不能达到使用要求。
发明内容
为解决上述问题，本发明设计了一种具有良好韧性，又有较高的拉伸强度、抗划痕性好的PEVA膜，技术方案为：所述的高韧性高拉伸强度PEVA膜，包含以下的重量份数的组分：双峰PE 18.6份、高密度聚乙烯（HDPE）6.3份、乙烯-醋酸乙烯共聚物（EVA）25份、低密度聚乙烯（LDPE）8.5份、碳酸钙（CaCO3）5份、PE白色母料3～5份、改性苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）8～15份、防霉剂1～3份、流变母料0～1份。
按上述重量份数的组分混合配制成原材料，然后通过双向拉伸或流延即可生产出性能良好的高韧性高强度PEVA膜。
本发明的有益效果是高韧性高强度PEVA膜由于组成成分中加入了一定量的苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）使得PEVA膜保留原有的良好韧性的同时，提高了拉伸强度，提高了产品的抗划痕性。
附图说明：
附图1是本发明高韧性高强度PEVA膜与原始PEVA膜拉伸强度对比数据对比图；
具体实施方式：
结合以下实施例对本发明进一步详细描述，以便公众更好地掌握本发明的实施方法：
实施例一：
称取：双峰PE  18.6千克、高密度聚乙烯（HDPE） 6.3千克、乙烯-醋酸乙烯共聚物（EVA）25千克、低密度聚乙烯（LDPE）8.5千克、碳酸钙（CaCO3）5千克、PE白色母料  3千克、苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS） 8千克、防霉剂  1千克、流变母料 0.1千克。
将上述重量的组分充分混合，配制成高韧性高强度PEVA膜原材料，然后通过双向拉伸工艺即可生产出性能良好的高韧性高强度PEVA膜。
实施例二：
称取：双峰PE  18.6千克、高密度聚乙烯（HDPE） 6.3千克、乙烯-醋酸乙烯共聚物（EVA）25千克、低密度聚乙烯（LDPE）8.5千克、碳酸钙（CaCO3）5千克、PE白色母料  4千克、苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS） 11.5千克、防霉剂  2千克、流变母料 0.5千克。
将上述重量的组分充分混合，配制成高韧性高强度PEVA膜原材料，然后通过流延工艺即可生产出性能良好的高韧性高强度PEVA膜。
实施例三：
称取：双峰PE  18.6千克、高密度聚乙烯（HDPE） 6.3千克、乙烯-醋酸乙烯共聚物（EVA）25千克、低密度聚乙烯（LDPE）8.5千克、碳酸钙（CaCO3）5千克、PE白色母料  5千克、苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS） 15千克、防霉剂  3千克、流变母料 1千克。
将上述重量的组分充分混合，配制成高韧性高强度PEVA膜原材料，然后通过双向拉伸工艺即可生产出性能良好的高韧性高强度PEVA膜。
经试验测得，本发明高韧性高强度PEVA膜与原始PEVA膜拉伸强度对比数据如图1所示。
本发明高韧性高强度PEVA膜由于组成成分中加入了一定量的苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）使得PEVA膜再保留了原有良好韧性的同时，也较大提升了拉伸强度，提高了产品的抗划痕性。

Claims (1)

1. 高韧性高强度PEVA膜，其特征是高韧性高强度PEVA膜的重量份数的组分为：双峰PE 18.6份、高密度聚乙烯（HDPE）6.3份、乙烯-醋酸乙烯共聚物（EVA）25份、低密度聚乙烯（LDPE）8.5份、碳酸钙（CaCO3）5份、PE白色母料3～5份、苯乙烯-丁二烯-苯乙烯嵌段共聚物（SBS）8～15份、防霉剂1～3份、流变母料0～1份。
CN201410759636.4A 2014-12-12 2014-12-12 高韧性高强度peva膜 Pending CN104530541A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104910489A (zh) * 2015-06-13 2015-09-16 常州大学 一种具有分子筛功能的高密度聚乙烯微孔膜

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1622971A (zh) * 2002-01-28 2005-06-01 伊奎斯塔化学有限公司 纵向取向聚乙烯薄膜的制造
CN101228900A (zh) * 2008-01-22 2008-07-30 浙江省农业科学院 一种白菇专用保鲜袋
CN101787154A (zh) * 2009-12-30 2010-07-28 上海展骋高分子材料有限公司 耐冲击缓冲气囊的专用薄膜及其用途

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1622971A (zh) * 2002-01-28 2005-06-01 伊奎斯塔化学有限公司 纵向取向聚乙烯薄膜的制造
CN101228900A (zh) * 2008-01-22 2008-07-30 浙江省农业科学院 一种白菇专用保鲜袋
CN101787154A (zh) * 2009-12-30 2010-07-28 上海展骋高分子材料有限公司 耐冲击缓冲气囊的专用薄膜及其用途

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
洪定一: "《塑料工业手册》", 31 March 1999, 化学工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104910489A (zh) * 2015-06-13 2015-09-16 常州大学 一种具有分子筛功能的高密度聚乙烯微孔膜

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