CN104311987A - 气相防锈自粘拉伸膜生产工艺 - Google Patents

气相防锈自粘拉伸膜生产工艺 Download PDF

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CN104311987A
CN104311987A CN201410632198.5A CN201410632198A CN104311987A CN 104311987 A CN104311987 A CN 104311987A CN 201410632198 A CN201410632198 A CN 201410632198A CN 104311987 A CN104311987 A CN 104311987A
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mlldpe
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陈建朝
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XIAMEN JUFU PLASTIC PRODUCTS CO Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
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    • 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
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
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Abstract

本发明提供一种气相防锈自粘拉伸膜生产工艺，生产出气相防锈自粘拉伸膜，以便对金属制品在储存、运输过程中起到防锈作用。本发明可分别采用单层挤出结构、A/B双层共挤结构、A/B/C三层共挤结构。本发明的单层挤出结构，按重量百分比，由0.2～8%防锈母粒、37～99.6%LLDPE、0～50%MLLDPE和0.2～5%聚异丁烯混合而成。本发明不论是单层挤出结构、双层共挤结构还是三层共挤结构，只要在内层膜（粘性层）增加防锈母粒，利用防锈母粒防止金属锈蚀。

Description

气相防锈自粘拉伸膜生产工艺
技术领域
    本发明涉及一种气相防锈自粘拉伸膜生产工艺。
背景技术
拉伸膜是一种托盘货物打包捆扎用，并带有自粘性的薄膜，随着工业发展其用量日益增大，其对货物的集合包装起到良好的固定作用，其包装成本低，被广泛应用于各行业货物的储存、运输包装用。金属制品在储存、运输过程需要一个较长的时间段，容易生锈影响外观。因此，研发一种气相防锈自粘拉伸膜，以对金属制品在储存、运输过程中能够起到防锈作用，非常有必要。
发明内容
本发明的目的，是要提供一种气相防锈自粘拉伸膜生产工艺，生产出气相防锈自粘拉伸膜，以便对金属制品在储存、运输过程中起到防锈作用。
本发明是这样实现的，所述气相防锈自粘拉伸膜生产工艺，可分别采用单层挤出结构、A/B双层共挤结构、A/B/C三层共挤结构。
气相防锈自粘拉伸膜生产工艺，为单层挤出结构，按重量百分比，由0.2～8%防锈母粒、37～99.6%LLDPE、0～50%MLLDPE和0.2～5%聚异丁烯混合而成。
气相防锈自粘拉伸膜生产工艺，为A/B双层共挤结构，按重量百分比，由20%A层和80%B层组成；其中，A层由1～5%防锈母粒、0～18.8%LLDPE、0～12% MLLDPE和0.2～3%聚异丁烯混合而成；B层由27～79%LLDPE、1～50%MLLDPE和0～3%聚异丁烯混合而成；
或者，为A/B双层共挤结构，按重量百分比，由30%A层和70%B层组成；其中，A层由1～5%防锈母粒、0～28.8%LLDPE、0～22% MLLDPE和0.2～3%聚异丁烯混合而成；B层由25～69%LLDPE、1～40%MLLDPE和0～5%聚异丁烯混合而成。
气相防锈自粘拉伸膜生产工艺，为A/B/C三层共挤结构，按重量百分比，由20%A层、60%B层和20%C层组成；其中，A层由1～5%防锈母粒、5～18%LLDPE、0～7% MLLDPE和1～3%聚异丁烯混合而成；B层由40～60%LLDPE、0～20%MLLDPE混合而成；C层由7～17%LLDPE、0～10% MLLDPE和0～3%聚异丁烯混合而成；
或者，为A/B/C三层共挤结构，按重量百分比，由30%A层、40%B层和30%C层组成；其中，A层由1～5%防锈母粒、15～28%LLDPE、0～7% MLLDPE和1～3%聚异丁烯混合而成；B层由25～40%LLDPE、0～15%MLLDPE混合而成；C层由15～30%LLDPE、0～12% MLLDPE和0～3%聚异丁烯混合而成。
本发明的有益效果是，采用上述方案后，本发明不论是单层挤出结构、双层共挤结构还是三层共挤结构，只要在内层膜（粘性层）增加防锈母粒，利用防锈母粒防止金属锈蚀。
具体实施方式
实施例一：气相防锈自粘拉伸膜生产工艺，为单层挤出结构，单层挤出工艺配方（每100公斤配比比例）：由0.2～8公斤防锈母粒、37～99.6公斤LLDPE（线性低密度聚乙烯）、0～50公斤MLLDPE（茂金属线性低密度聚乙烯）和0.2～5公斤聚异丁烯混合而成。
实施例二：气相防锈自粘拉伸膜生产工艺，为A/B双层共挤结构，双层共挤工艺配方（每100公斤配比比例）：由20公斤A层和80公斤B层组成；其中，A层由1～5公斤防锈母粒、0～18.8公斤LLDPE（线性低密度聚乙烯）、0～12公斤 MLLDPE（茂金属线性低密度聚乙烯）和0.2～3公斤聚异丁烯混合而成；B层由27～79公斤LLDPE（线性低密度聚乙烯）、1～50公斤MLLDPE（茂金属线性低密度聚乙烯）和0～3公斤聚异丁烯混合而成。
实施例三：气相防锈自粘拉伸膜生产工艺，为A/B双层共挤结构，双层共挤工艺配方（每100公斤配比比例）：由30公斤A层和70公斤B层组成；其中，A层由1～5公斤防锈母粒、0～28.8公斤LLDPE（线性低密度聚乙烯）、0～22公斤 MLLDPE（茂金属线性低密度聚乙烯）和0.2～3公斤聚异丁烯混合而成；B层由25～69公斤LLDPE（线性低密度聚乙烯）、1～40公斤MLLDPE（茂金属线性低密度聚乙烯）和0～5公斤聚异丁烯混合而成。
实施例四：气相防锈自粘拉伸膜生产工艺，为A/B/C三层共挤结构，三层共挤工艺配方（每100公斤配比比例）：由20公斤A层、60公斤B层和20公斤C层组成；其中，A层由1～5公斤防锈母粒、5～18公斤LLDPE（线性低密度聚乙烯）、0～7公斤 MLLDPE（茂金属线性低密度聚乙烯）和1～3公斤聚异丁烯混合而成；B层由40～60公斤LLDPE（线性低密度聚乙烯）、0～20公斤MLLDPE（茂金属线性低密度聚乙烯）混合而成；C层由7～17公斤LLDPE（线性低密度聚乙烯）、0～10公斤 MLLDPE（茂金属线性低密度聚乙烯）和0～3公斤聚异丁烯混合而成。
实施例五：气相防锈自粘拉伸膜生产工艺，为A/B/C三层共挤结构，三层共挤工艺配方（每100公斤配比比例）：由30公斤A层、40公斤B层和30公斤C层组成；其中，A层由1～5公斤防锈母粒、15～28公斤LLDPE（线性低密度聚乙烯）、0～7公斤MLLDPE（茂金属线性低密度聚乙烯）和1～3公斤聚异丁烯混合而成；B层由25～40公斤LLDPE（线性低密度聚乙烯）、0～15公斤MLLDPE（茂金属线性低密度聚乙烯）混合而成；C层由15～30公斤LLDPE（线性低密度聚乙烯）、0～12公斤MLLDPE（茂金属线性低密度聚乙烯）和0～3公斤聚异丁烯混合而成。
总结，本发明只要在内层膜（粘性层）增加防锈母粒，利用防锈母粒防止金属锈蚀。

Claims (3)

1. 气相防锈自粘拉伸膜生产工艺，为单层挤出结构，按重量百分比，由0.2～8%防锈母粒、37～99.6%LLDPE、0～50%MLLDPE和0.2～5%聚异丁烯混合而成。
2.气相防锈自粘拉伸膜生产工艺，为A/B双层共挤结构，按重量百分比，由20%A层和80%B层组成；其中，A层由1～5%防锈母粒、0～18.8%LLDPE、0～12% MLLDPE和0.2～3%聚异丁烯混合而成；B层由27～79%LLDPE、1～50%MLLDPE和0～3%聚异丁烯混合而成；
或者，为A/B双层共挤结构，按重量百分比，由30%A层和70%B层组成；其中，A层由1～5%防锈母粒、0～28.8%LLDPE、0～22% MLLDPE和0.2～3%聚异丁烯混合而成；B层由25～69%LLDPE、1～40%MLLDPE和0～5%聚异丁烯混合而成。
3. 气相防锈自粘拉伸膜生产工艺，为A/B/C三层共挤结构，按重量百分比，由20%A层、60%B层和20%C层组成；其中，A层由1～5%防锈母粒、5～18%LLDPE、0～7% MLLDPE和1～3%聚异丁烯混合而成；B层由40～60%LLDPE、0～20%MLLDPE混合而成；C层由7～17%LLDPE、0～10% MLLDPE和0～3%聚异丁烯混合而成；
或者，为A/B/C三层共挤结构，按重量百分比，由30%A层、40%B层和30%C层组成；其中，A层由1～5%防锈母粒、15～28%LLDPE、0～7% MLLDPE和1～3%聚异丁烯混合而成；B层由25～40%LLDPE、0～15%MLLDPE混合而成；C层由15～30%LLDPE、0～12% MLLDPE和0～3%聚异丁烯混合而成。
CN201410632198.5A 2014-11-12 2014-11-12 气相防锈自粘拉伸膜生产工艺 Pending CN104311987A (zh)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN105751653A (zh) * 2016-02-24 2016-07-13 重庆市九龙坡区永泰塑料厂 一种防锈膜及生产加工工艺
CN106147634A (zh) * 2015-03-30 2016-11-23 常熟市新明宇塑胶有限公司 一种三层共挤吹膜胶膜及其制备工艺
CN106965517A (zh) * 2017-03-31 2017-07-21 昆山金盟塑料薄膜有限公司 一种防锈膜及其制备方法
CN108903542A (zh) * 2018-06-06 2018-11-30 安徽永豪日用品有限公司 一种自粘可降解一次性桌布的制备方法
CN108995313A (zh) * 2018-07-05 2018-12-14 广东富利时实业有限公司 一种热压自粘膜的复合地垫及其制造方法

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