CN109279178A - 一种超低静电包装基膜及其生产方法 - Google Patents

一种超低静电包装基膜及其生产方法 Download PDF

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CN109279178A
CN109279178A CN201811113335.9A CN201811113335A CN109279178A CN 109279178 A CN109279178 A CN 109279178A CN 201811113335 A CN201811113335 A CN 201811113335A CN 109279178 A CN109279178 A CN 109279178A
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static electricity
sheet material
polypropylene
basement membrane
ethyoxyl
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邵峥
刘修宽
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Zhejiang Jin Rui Thin-Film Material Co Ltd
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Zhejiang Jin Rui Thin-Film Material Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02Wrappers or flexible covers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • 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
    • C08J2323/10Homopolymers or copolymers of propene
    • C08J2323/12Polypropene
    • 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
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/17Amines; Quaternary ammonium compounds
    • 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
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/20Carboxylic acid amides

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本发明公开了一种超低静电包装基膜,由以下质量比的原料组成:聚丙烯97.5‑99.2%;乙氧基化烷基胺0.4‑1.25%;乙氧基月桂酸胺0.4‑1.25%。乙氧基化烷基胺是很有效的抗静电剂,即使是在相对湿度低的情况下亦然,而且长期有效,乙氧基月桂酸胺适用于在湿度小的环境里使用,试验中发现有速效长效的抗静电功能,通过乙氧基化烷基胺和乙氧基月桂酸胺复配使用达到速效、长效、高效的目的,克服了通用抗静电剂迁移受温度影响、受时间影响。

Description

一种超低静电包装基膜及其生产方法
技术领域
本发明涉及包装基膜材料技术领域,具体讲是一种超低静电包装基膜及其生产方法。
背景技术
市场的BOPP薄膜表面电阻通常在10的12-13次方,这样膜由于运行所带静电不能传导出去。薄膜在印刷中会生产印刷不良现象、存放使用中会吸附灰尘影响产品外观,这就需要使用抗静电剂。
抗静电剂有阴离子型抗静电剂、阳离子型抗静电剂,考虑实际使用中有热稳定性差等因素,在BOPP中多为非离子型抗静电剂,常见胺类或酯类抗静电剂。考虑抗静电剂的要求达到其效果,需有效的迁移到膜的表面,考虑所选型抗静电剂与PP相容性问题是选型必须平衡的,常用抗静电剂不能很好的迁移到膜的表面。抗静电剂使用太多会影响膜的表观质量,太低则会达不到实际要求的低静电效果。
所以,如何研制出一种抗静电效果好且基本质量好的包装基膜即为本领域工作人员所欲研究的方向。
发明内容
鉴于上述现有技术的缺陷,本发明的一个目的在于:提供一种超低静电包装基膜及其生产方法。
为解决上述问题,本发明的技术解决方案是:一种超低静电包装基膜,由以下质量比的原料组成:
聚丙烯97.5-99.2%;
乙氧基化烷基胺0.4-1.25%;
乙氧基月桂酸胺0.4-1.25%。
本发明还提供一种超低静电包装基膜的生产方法,包括以下步骤:
(1)将聚丙烯、乙氧基化烷基胺以1:1的比例复配制成浓度为12%母料,然后将母料加入到聚丙烯中进行混合,混合后的原料经双螺杆挤出机塑化;
(2)将熔融态熔体送入模头,并在模头口形成熔融态片材;
(3)用气刀将片材贴附于激冷辊上骤冷形成未定型的片材,然后经过水浴冷却后将片材定型形成铸片;
(4)铸片再分别经过纵拉机和横向拉伸机,将片材拉制成薄膜;
(5)对薄膜进行厚度检测;
(6)将检测后的产品进行冷却并收卷。
本发明的有益效果是:乙氧基化烷基胺是很有效的抗静电剂,即使是在相对湿度低的情况下亦然,而且长期有效,乙氧基月桂酸胺适用于在湿度小的环境里使用,试验中发现有速效长效的抗静电功能,通过乙氧基化烷基胺和乙氧基月桂酸胺复配使用达到速效、长效、高效的目的,克服了通用抗静电剂迁移受温度影响、受时间影响。
具体实施方式
为比较直观、完整地理解本发明的技术方案,现进行非限制性的特征说明如下:
实施例一:
一种超低静电包装基膜,当车间温度为30摄氏度以上时加入比例在0.8-1.8%的乙氧基化烷基胺、乙氧基月桂酸胺,由以下质量比的原料组成:
聚丙烯99.2%;
乙氧基化烷基胺0.4%;
乙氧基月桂酸胺0.4%。
实施例二:
一种超低静电包装基膜,当车间温度为30摄氏度以下时加入比例在1.8-2.5%的乙氧基化烷基胺、乙氧基月桂酸胺,由以下质量比的原料组成:
聚丙烯98.2%;
乙氧基化烷基胺0.9%;
乙氧基月桂酸胺0.9%。
本发明还提供一种超低静电包装基膜的生产方法,包括以下步骤:
(1)将聚丙烯、乙氧基化烷基胺以1:1的比例复配制成浓度为12%母料,然后将母料加入到聚丙烯中进行混合,混合后的原料经双螺杆挤出机塑化;
(2)将熔融态熔体送入模头,并在模头口形成熔融态片材;
(3)用气刀将片材贴附于激冷辊上骤冷形成未定型的片材,然后经过水浴冷却后将片材定型形成铸片;
(4)铸片再分别经过纵拉机和横向拉伸机,将片材拉制成薄膜;
(5)对薄膜进行厚度检测;
(6)将检测后的产品进行冷却并收卷。

Claims (2)

1.一种超低静电包装基膜,其特征在于由以下质量比的原料组成:
聚丙烯 97.5-99.2%;
乙氧基化烷基胺 0.4-1.25%;
乙氧基月桂酸胺 0.4-1.25%。
2.一种超低静电包装基膜的生产方法,其特征在于包括以下步骤:
(1)将聚丙烯、乙氧基化烷基胺以1:1的比例复配制成母料,然后将母料加入到聚丙烯中进行混合,混合后的原料经双螺杆挤出机塑化;
(2)将熔融态熔体送入模头,并在模头口形成熔融态片材;
(3)用气刀将片材贴附于激冷辊上骤冷形成未定型的片材,然后经过水浴冷却后将片材定型形成铸片;
(4)铸片再分别经过纵拉机和横向拉伸机,将片材拉制成薄膜;
(5)对薄膜进行厚度检测;
(6)将检测后的产品进行冷却并收卷。
CN201811113335.9A 2018-09-25 2018-09-25 一种超低静电包装基膜及其生产方法 Pending CN109279178A (zh)

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Cited By (2)

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CN110669454A (zh) * 2019-10-16 2020-01-10 宁波盈瑞聚合科技有限公司 环保预涂膜及其生产方法
CN111171756A (zh) * 2019-10-16 2020-05-19 宁波盈瑞聚合科技有限公司 抗静电预涂膜及其生产方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110669454A (zh) * 2019-10-16 2020-01-10 宁波盈瑞聚合科技有限公司 环保预涂膜及其生产方法
CN111171756A (zh) * 2019-10-16 2020-05-19 宁波盈瑞聚合科技有限公司 抗静电预涂膜及其生产方法

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Application publication date: 20190129