CN107325378A - 一种纳米保鲜塑料薄膜 - Google Patents

一种纳米保鲜塑料薄膜 Download PDF

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CN107325378A
CN107325378A CN201710698752.3A CN201710698752A CN107325378A CN 107325378 A CN107325378 A CN 107325378A CN 201710698752 A CN201710698752 A CN 201710698752A CN 107325378 A CN107325378 A CN 107325378A
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parts
nano
plastic film
keeping plastic
silver powder
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程海生
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Anhui Cat Soft Packing Co Ltd
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Anhui Cat Soft Packing Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/08Copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0806Silver
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films

Abstract

本发明提供了一种纳米保鲜塑料薄膜,由以下重量份的原料制成:纳米二氧化钛10‑20份、纳米石墨烯5‑15份、纳米银粉末8‑12份、线性低密度聚乙烯20‑50份、聚乙烯树脂30‑65份、硅烷偶联剂6‑12份、二辛酯3‑8份、乙氧基化烷基胺6‑15份、甘油酯5‑10份、紫外线吸收剂3‑8份。通过添加具有氧化乙烯作用的纳米银粉,使制得的纳米塑料保鲜薄膜可以加速氧化果蔬等食品释放出来的乙烯气体,以便减少包装内部环境中的乙烯含量,实现良好的保鲜效果。

Description

一种纳米保鲜塑料薄膜
技术领域
本发明属于塑料制品技术领域,具体涉及一种纳米保鲜塑料薄膜。
背景技术
食品包装作为目前包装领域所占份额较重的一部分,在整个包装领域中占有重要的地位。近些年在食品安全领域出现的各种问题,使人们更加注重对食品及其包装材料,甚至整个生产工艺、包装过程的安全性,这使得对食品包装材料的探究提上日程。
塑料因其质量轻、使用方便、价格低等特点而被广泛应用于食品包装中。果蔬等新鲜食品在储存时会释放出乙烯气体,而乙烯积累到一定浓度时就会加速食品腐烂,因此,如何减少塑料包装材料中的乙烯含量是急需解决的问题。
发明内容
为解决上述问题,本发明的目的在于,具体的技术方案为:
一种纳米保鲜塑料薄膜,由以下重量份的原料制成:纳米二氧化钛10-20份、纳米石墨烯5-15份、纳米银粉末8-12份、线性低密度聚乙烯20-50份、聚乙烯树脂30-65份、硅烷偶联剂6-12份、二辛酯3-8份、乙氧基化烷基胺6-15份、甘油酯5-10份、紫外线吸收剂3-8份。
进一步的,本发明所述的一种纳米保鲜塑料薄膜,由以下重量份的原料制成:纳米二氧化钛15份、纳米石墨烯10份、纳米银粉末10份、线性低密度聚乙烯30份、聚乙烯树脂45份、硅烷偶联剂10份、二辛酯5份、乙氧基化烷基胺12份、甘油酯8份、紫外线吸收剂5份。
进一步的,所述纳米银粉末的粒径为18-40nm。
进一步的,所述紫外线吸收剂为邻羟基苯甲酸苯酯、2-(2-羟基-3-特丁基-5-甲基苯基)-5-氯苯并三唑或2-(2’-羟基-3’,5’-二叔苯基)-5-氯化苯并三唑的一种。
进一步的,所述纳米保鲜塑料薄膜的厚度为0.008-0.025mm。
有益效果:本发明提供了一种纳米保鲜塑料薄膜,通过添加具有氧化乙烯作用的纳米银粉,使制得的纳米塑料保鲜薄膜可以加速氧化果蔬等食品释放出来的乙烯气体,以便减少包装内部环境中的乙烯含量,实现良好的保鲜效果。
具体实施方式
下面结合具体实施例来进一步描述本发明,以下实施例仅是本发明的最佳实施例,并不对本发明的范围构成任何限制。本领域技术人员应该理解的是,在不偏离本发明的精神和范围下可以对本发明技术方案的细节和形式进行修改或替换,但这些修改和替换均落入本发明的保护范围内。
实施例1
一种纳米保鲜塑料薄膜,纳米二氧化钛15份、纳米石墨烯10份、纳米银粉末10份、线性低密度聚乙烯30份、聚乙烯树脂45份、硅烷偶联剂10份、二辛酯5份、乙氧基化烷基胺12份、甘油酯8份、紫外线吸收剂5份。
进一步的,所述纳米银粉末的粒径为30nm。
进一步的,所述紫外线吸收剂为邻羟基苯甲酸苯酯。
进一步的,所述纳米保鲜塑料薄膜的厚度为0.015mm。
实施例2
一种纳米保鲜塑料薄膜,由以下重量份的原料制成:纳米二氧化钛10份、纳米石墨烯5份、纳米银粉末8份、线性低密度聚乙烯20份、聚乙烯树脂30份、硅烷偶联剂6份、二辛酯3份、乙氧基化烷基胺6份、甘油酯5份、紫外线吸收剂3份。
进一步的,所述纳米银粉末的粒径为18nm。
进一步的,所述紫外线吸收剂为2-(2-羟基-3-特丁基-5-甲基苯基)-5-氯苯并三唑。
进一步的,所述纳米保鲜塑料薄膜的厚度为0.008mm。
实施例3
一种纳米保鲜塑料薄膜,由以下重量份的原料制成:纳米二氧化钛20份、纳米石墨烯15份、纳米银粉末12份、线性低密度聚乙烯50份、聚乙烯树脂65份、硅烷偶联剂12份、二辛酯8份、乙氧基化烷基胺15份、甘油酯10份、紫外线吸收剂8份。
进一步的,所述纳米银粉末的粒径为40nm。
进一步的,所述紫外线吸收剂为2-(2’-羟基-3’,5’-二叔苯基)-5-氯化苯并三唑。
进一步的,所述纳米保鲜塑料薄膜的厚度为0.025mm。
实施例4
一种纳米保鲜塑料薄膜,由以下重量份的原料制成:纳米二氧化钛12份、纳米石墨烯11份、纳米银粉末9份、线性低密度聚乙烯25份、聚乙烯树脂35份、硅烷偶联剂8份、二辛酯4份、乙氧基化烷基胺12份、甘油酯9份、紫外线吸收剂7份。
进一步的,所述纳米银粉末的粒径为20nm。
进一步的,所述紫外线吸收剂为邻羟基苯甲酸苯酯。
进一步的,所述纳米保鲜塑料薄膜的厚度为0.02mm。

Claims (5)

1.一种纳米保鲜塑料薄膜,其特征在于,由以下重量份的原料制成:纳米二氧化钛10-20份、纳米石墨烯5-15份、纳米银粉末8-12份、线性低密度聚乙烯20-50份、聚乙烯树脂30-65份、硅烷偶联剂6-12份、二辛酯3-8份、乙氧基化烷基胺6-15份、甘油酯5-10份、紫外线吸收剂3-8份。
2.根据权利要求1所述的一种纳米保鲜塑料薄膜,其特征在于,由以下重量份的原料制成:纳米二氧化钛15份、纳米石墨烯10份、纳米银粉末10份、线性低密度聚乙烯30份、聚乙烯树脂45份、硅烷偶联剂10份、二辛酯5份、乙氧基化烷基胺12份、甘油酯8份、紫外线吸收剂5份。
3.根据权利要求1所述的一种纳米保鲜塑料薄膜,其特征在于,所述纳米银粉末的粒径为18-40nm。
4.根据权利要求1所述的一种纳米保鲜塑料薄膜,其特征在于,所述紫外线吸收剂为邻羟基苯甲酸苯酯、2-(2-羟基-3-特丁基-5-甲基苯基)-5-氯苯并三唑或2-(2’-羟基-3’,5’-二叔苯基)-5-氯化苯并三唑的一种。
5.根据权利要求1所述的一种纳米保鲜塑料薄膜,其特征在于,所述纳米保鲜塑料薄膜的厚度为0.008-0.025mm。
CN201710698752.3A 2017-08-15 2017-08-15 一种纳米保鲜塑料薄膜 Pending CN107325378A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112724496A (zh) * 2020-12-30 2021-04-30 江苏高锝塑胶有限公司 聚乙烯抗菌塑胶母粒及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101402757A (zh) * 2008-10-27 2009-04-08 江南大学 一种纳米保鲜包装材料的制备方法
CN104151682A (zh) * 2014-08-29 2014-11-19 天津市凯旋塑料制品有限公司 一种塑料薄膜
CN104151691A (zh) * 2014-07-28 2014-11-19 南京农业大学 一种防止食用菌品质劣变的纳米保鲜膜及其应用
CN105754194A (zh) * 2016-04-28 2016-07-13 太仓市金毅电子有限公司 一种纳米塑料保鲜包装材料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101402757A (zh) * 2008-10-27 2009-04-08 江南大学 一种纳米保鲜包装材料的制备方法
CN104151691A (zh) * 2014-07-28 2014-11-19 南京农业大学 一种防止食用菌品质劣变的纳米保鲜膜及其应用
CN104151682A (zh) * 2014-08-29 2014-11-19 天津市凯旋塑料制品有限公司 一种塑料薄膜
CN105754194A (zh) * 2016-04-28 2016-07-13 太仓市金毅电子有限公司 一种纳米塑料保鲜包装材料

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112724496A (zh) * 2020-12-30 2021-04-30 江苏高锝塑胶有限公司 聚乙烯抗菌塑胶母粒及其制备方法

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Application publication date: 20171107