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A kind of polymer packing belt material and preparation method thereof

A packing tape and polymer technology, applied in the field of packaging materials, can solve the problems of packing tape damage, low tensile strength of packing tape, reducing the use of packing tape materials, etc., and achieve high tensile strength, small expansion rate, and small deformation Effect

Active Publication Date: 2017-02-08
CHONGQING KNVAN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved: the tensile strength of the common packing belt is low at present, and the packing belt is easy to be damaged under the action of excessive tension, which reduces the use of the packing belt material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] (1) Add 7 parts of 4-methyl-1-pentene, 6 parts of 2-hexen-1-ol, 12 parts of polystyrene, 11 parts of polyethylene and 5 parts of polyester fiber into the high-speed mixer by weight , 5 parts of pentaerythritol, 6 parts of stearic acid, carry out high-speed mixing, heat the composition of high-speed mixer during mixing, mix after heating until the composition becomes fluid state, mix evenly;

[0044] (2) Extrude the homogeneously mixed material in step (1) with a twin-screw extruder. The length-to-diameter ratio of the twin-screw extrusion and the screw is 40:1, and the extrusion temperature is three stages. The first The first stage is 173-182°C, the second stage is 185-195°C, and the first stage is 200-208°C;

[0045] (3) After processing the result of step (2) with a twin-screw extruder, the packing belt material is molded with a mold;

[0046] (4) Rapid cooling of the polymer strap material after mold forming;

[0047] (5) After the polymer packing tape is cooled r...

Embodiment 2

[0049] (1) Add 3 parts of 4-methyl-1-pentene, 9 parts of 2-hexen-1-ol, 9 parts of polystyrene, 12 parts of polyethylene and 4 parts of polyester fiber into the high-speed mixer by weight , 6 parts of pentaerythritol and 8 parts of stearic acid are mixed at high speed, and the ingredients of the high-speed mixer are heated during mixing, and mixed after heating until the ingredients become fluid, and mixed uniformly;

[0050] (2) Extrude the homogeneously mixed material in step (1) with a twin-screw extruder. The length-to-diameter ratio of the twin-screw extrusion and the screw is 40:1, and the extrusion temperature is three stages. The first The first stage is 173-182°C, the second stage is 185-195°C, and the first stage is 200-208°C;

[0051] (3) After processing the result of step (2) with a twin-screw extruder, the packing belt material is molded with a mold;

[0052] (4) Rapid cooling of the polymer strap material after mold forming;

[0053] (5) After the polymer packi...

Embodiment 3

[0055] (1) Add 10 parts of 4-methyl-1-pentene, 4 parts of 2-hexen-1-ol, 17 parts of polystyrene, 7 parts of polyethylene and 7 parts of polyester fiber into the high-speed mixer by weight , 2 parts of pentaerythritol, 5 parts of stearic acid, carry out high-speed mixing, heat the components of the high-speed mixer during mixing, mix after heating until the components become fluid, and mix uniformly;

[0056](2) Extrude the homogeneously mixed material in step (1) with a twin-screw extruder. The length-to-diameter ratio of the twin-screw extrusion and the screw is 40:1, and the extrusion temperature is three stages. The first The first stage is 173-182°C, the second stage is 185-195°C, and the first stage is 200-208°C;

[0057] (3) After processing the result of step (2) with a twin-screw extruder, the packing belt material is molded with a mold;

[0058] (4) Rapid cooling of the polymer strap material after mold forming;

[0059] (5) After the polymer packing tape is cooled ...

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Abstract

The invention belongs to the field of the packing materials and relates to a polymer packing belt material. The polymer packing belt material is composed of the following components in parts by weight: 3-10 parts of 4-methyl-1-amylene, 4-9 parts of 2-hexene-1-alcohol, 9-17 parts of polystyrene, 7-12 parts of polyethylene, 4-7 parts of polyester fiber, 2-6 parts of pentaerythritol and 5-8 parts of stearic acid. The preparation method comprises the steps of mixing, squeezing, molding, winding and the like. As the components of the packing belt material are reasonably optimized and the 4-methyl-1-amylene and the 2-hexene-1-alcohol are added, the tensile strength of the packing belt material is effectively and remarkably improved to the range from 213MPa to 245MPa, and the elongation at break is relatively low; the polymer packing belt material is only 65% to 74%, and thus has relatively low deformation and small shrinkage ratio under external pressure.

Description

technical field [0001] The invention belongs to the field of packaging materials, and relates to a packing tape material and a preparation method thereof, in particular to a polymer packing tape material and a preparation method thereof. Background technique [0002] Packing straps are also called strapping straps, which are usually made of polyethylene or polypropylene as raw materials through screw extrusion and stretching. The packing belt has good elastic recovery, high strength, good water resistance, strong chemical resistance, and light texture. It can be tied not only by hand but also by machine. The packing belt is easy to use, and the cost is relatively low. It can be made into different colors, and different grades of goods can be bundled according to the color, so that it is easy to distinguish the grade of the goods and improve the delivery efficiency. In addition to being used for sealing and bundling of corrugated boxes, it can also be used for bundling artic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/06C08L23/06C08L67/00C08K5/00C08K5/01C08K5/05C08K5/053C08K5/09C08J5/04B29C47/92B29C48/92
Inventor 梁伯军
Owner CHONGQING KNVAN ELECTRONICS
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