CN103937096A - 一种打包带的制备方法 - Google Patents

一种打包带的制备方法 Download PDF

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Publication number
CN103937096A
CN103937096A CN201410133448.0A CN201410133448A CN103937096A CN 103937096 A CN103937096 A CN 103937096A CN 201410133448 A CN201410133448 A CN 201410133448A CN 103937096 A CN103937096 A CN 103937096A
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Prior art keywords
strap
preparation
softening
moulding
packing belt
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CN201410133448.0A
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English (en)
Inventor
易显芬
袁刚
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LUZHOU YIFA PACKAGING MATERIAL Co Ltd
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LUZHOU YIFA PACKAGING MATERIAL Co Ltd
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Priority to CN201410133448.0A priority Critical patent/CN103937096A/zh
Publication of CN103937096A publication Critical patent/CN103937096A/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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
    • B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
    • 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
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Package Frames And Binding Bands (AREA)
  • Basic Packing Technique (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

本发明公开了一种打包带的制备方法，包括聚烯烃填充母料30kg~60kg，聚丙烯树脂100kg；其制备过程为塑化、成型、冷却和封装。本发明对打包带的配方和工艺进行了改进，使生产的打包带具有较强的承重能力，不易拉断。

Description

一种打包带的制备方法
技术领域
本发明涉及打包带的制备方法。
背景技术
打包带别名捆扎带。现有的包装用打包带以聚乙烯，聚丙烯树脂为主要原料，也有以尼龙和聚酯为原料的，经挤出单向拉伸制得。打包带具有弹性回复好，强度高，耐水性好，耐化学性强质轻柔软的特点，而且使用方便，成本低廉。现有的打包带拉断力较小，承重能力差，实际使用效果较差。
为了解决现有技术中的上述不足，本发明提出了一种新的解决方案。
发明内容
本发明的目的是提供一种打包带的制备方法。
为达上述目的，本发明所采用的技术方案是：提供一种一种打包带的制备方法，包括：聚烯烃填充母料30kg~60kg，聚丙烯树脂100kg；
其制备过程为：
塑化，将两种组分在280℃~290℃的条件下熔化，然后逐渐降温至210℃~220℃；使用塑料挤出设备挤出；成型，将塑化后挤出的打包带中间体冷却至常温，然后置于烘箱内加热软化，软化后使用模具压制成型，成型后的打包带通过烘箱加热进行二次软化，然后冷却封装。
优选的，塑料挤出设备为塑料挤出机，两组原料在塑料挤出机的机筒内加热熔化，并通过螺杆挤出。
优选的，软化温度为280℃~320℃，二次软化的温度为280℃~320℃。
优选的，在二次软化过程中，打包带的两端保持小于打包带拉断力的张力。
由于打包带的拉断力一般在200千克以上，在二次软化过程中，压制后的打包带是弯曲的，经过二次软化将其软化变直，因此需要给二次软化的打包带两端施加一个张力，使打包带平直。在实施过程中，一般在二次软化过程的打包带两端施加5kg~100kg的张力即可。在本发明中，所用的聚烯烃填充母料为成都茂光塑料有限公司生产的聚烯烃填充母料，生产批号为131210-0350-70。
综上所述，本发明具有以下优点：
本发明对打包带的配方和工艺进行了改进，使生产的打包带具有较强的承重能力，不易拉断。
具体实施方式
实施例1
取原料聚烯烃填充母料30kg和聚丙烯树脂100kg。
塑化，将两种组分在280℃的条件下熔化，然后逐渐降温至210℃。使用塑料挤出设备挤出。在实施过程中，可以使用塑料挤出机进行塑化挤出工序，塑化挤出机包括机筒，机筒内部设有螺杆，首先将两组分在机筒前端加热至280℃，机筒的后端逐渐降低加热温度，使塑化后的融液温度降低至210℃。
成型，将塑化后挤出的打包带中间体冷却至常温，然后置于烘箱内加热软化，软化温度为280℃，软化后使用模具压制成型，成型后的打包带通过烘箱加热进行二次软化，二次软化的温度控制在280℃，然后冷却封装，得到宽度为15mm，厚度为1mm的打包带。
实施例2
取原料聚烯烃填充母料60kg和聚丙烯树脂100kg，
塑化，将两种组分在290℃的条件下熔化，然后逐渐降温至220℃。使用塑料挤出设备挤出。在实施过程中，可以使用塑料挤出机进行塑化挤出工序，塑化挤出机包括机筒，机筒内部设有螺杆，首先将两组分在机筒前端加热至320℃，机筒的后端逐渐降低加热温度，使塑化后的融液温度降低至220℃。
成型，将塑化后挤出的打包带中间体冷却至常温，然后置于烘箱内加热软化，软化温度为320℃，软化后使用模具压制成型，成型后的打包带通过烘箱加热进行二次软化，二次软化的温度控制在320℃，然后冷却封装，得到宽度为15mm，厚度为1mm的打包带。
将实施例1和实施例2中的打包带进行拉断检测，检测其拉伸断裂负荷，其中实施例1的拉伸断裂负荷为6200N，实施例2中的拉伸断裂负荷为5980N，由此可见，按照本发明配方制备的打包带，具有更高的强度。

Claims (4)

1.一种打包带的制备方法，包括：
聚烯烃填充母料30kg~60kg，聚丙烯树脂100kg；
其制备过程为：
塑化，将两种组分在280℃~290℃的条件下熔化，然后逐渐降温至210℃~220℃；使用塑料挤出设备挤出；
成型，将塑化后挤出的打包带中间体冷却至常温，然后置于烘箱内加热软化，软化后使用模具压制成型，成型后的打包带通过烘箱加热进行二次软化，然后冷却封装。
2.如权利要求1所述的制备方法，其特征在于：所述塑料挤出设备为塑料挤出机，两组原料在塑料挤出机的机筒内加热熔化，并通过螺杆挤出。
3.如权利要求1所述的制备方法，其特征在于：所述软化温度为280℃~320℃，二次软化的温度为280℃~320℃。
4.如权利要求1所述的制备方法，其特征在于：在二次软化过程中，打包带的两端保持5kg~100kg的张力。
CN201410133448.0A 2014-04-04 2014-04-04 一种打包带的制备方法 Pending CN103937096A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111662504A (zh) * 2020-06-04 2020-09-15 江苏鼎良电气科技有限公司 一种强拉力pp带及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050238897A1 (en) * 2002-04-09 2005-10-27 Rigney Patrick T High integrity polyester strapping
CN102490380A (zh) * 2011-11-17 2012-06-13 四川省资阳市雅之江塑业有限公司 打包带生产方法及成套设备
CN102532641A (zh) * 2012-02-17 2012-07-04 广州远华色母厂有限公司 一种食品药品包装聚烯烃用高填充母料组合物
CN103113660A (zh) * 2011-11-17 2013-05-22 芜湖红方包装科技有限公司 Pp打包带母料的生产工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050238897A1 (en) * 2002-04-09 2005-10-27 Rigney Patrick T High integrity polyester strapping
CN102490380A (zh) * 2011-11-17 2012-06-13 四川省资阳市雅之江塑业有限公司 打包带生产方法及成套设备
CN103113660A (zh) * 2011-11-17 2013-05-22 芜湖红方包装科技有限公司 Pp打包带母料的生产工艺
CN102532641A (zh) * 2012-02-17 2012-07-04 广州远华色母厂有限公司 一种食品药品包装聚烯烃用高填充母料组合物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111662504A (zh) * 2020-06-04 2020-09-15 江苏鼎良电气科技有限公司 一种强拉力pp带及其制备方法

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Application publication date: 20140723