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Preparation method of packing belt

A technology of packing tape and preparation process, which is applied in the directions of packaging, transportation and packaging, flexible slender elements, etc. The effect of not easy to break

Inactive Publication Date: 2014-07-23
LUZHOU YIFA PACKAGING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing packing belt has small breaking force, poor load-bearing capacity, and poor actual use effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Get raw material polyolefin filler masterbatch 30kg and polypropylene resin 100kg.

[0016] For plasticizing, melt the two components at 280°C, and then gradually lower the temperature to 210°C. Extrude using plastic extrusion equipment. In the implementation process, a plastic extruder can be used for the plasticizing extrusion process. The plasticizing extruder includes a barrel with a screw inside the barrel. First, the two components are heated to 280°C at the front end of the barrel, and the barrel Gradually lower the heating temperature at the back end of the plasticized melt solution to 210°C.

[0017] Molding, cooling the extruded packing belt intermediate after plasticization to normal temperature, and then heating and softening in an oven, the softening temperature is 280°C, after softening, use a mold to press and form, and the formed packing belt is heated through an oven for secondary softening , the secondary softening temperature is controlled at 280° C...

Embodiment 2

[0019] Get raw material polyolefin filler masterbatch 60kg and polypropylene resin 100kg,

[0020] For plasticizing, melt the two components at 290°C, and then gradually lower the temperature to 220°C. Extrude using plastic extrusion equipment. In the implementation process, a plastic extruder can be used for the plasticizing extrusion process. The plasticizing extruder includes a barrel with a screw inside the barrel. First, the two components are heated to 320°C at the front end of the barrel, and the barrel Gradually reduce the heating temperature at the back end of the plasticized melt solution to 220°C.

[0021] Molding, cooling the extruded packing tape intermediate after plasticization to normal temperature, then heating and softening in an oven, the softening temperature is 320°C, after softening, use a mold to press and form, and the formed packing tape is heated through an oven for secondary softening , the secondary softening temperature is controlled at 320° C., ...

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Abstract

The invention discloses a preparation method of a packing belt. The packing belt is prepared from the following components in parts by weight: 30kg to 60kg of polyolefin filler master batch and 100kg of polypropylene resin. The preparation process comprises the following steps of plasticizing, molding, cooling and encapsulating. The formula and the process of the packing belt are improved, so that the produced packing belt has relatively strong bearing capacity, thereby being difficult to break.

Description

technical field [0001] The invention relates to a preparation method of packing tape. Background technique [0002] Packing belt alias strapping. Existing packaging straps are made with polyethylene and polypropylene resin as the main raw material, and nylon and polyester are also used as raw materials, which are made by extruding unidirectional stretching. The packing belt has the characteristics of good elastic recovery, high strength, good water resistance, strong chemical resistance, light weight and softness, and is convenient to use and low in cost. The existing packing belt has small breaking force, poor load-bearing capacity, and poor actual use effect. [0003] In order to solve the above-mentioned deficiencies in the prior art, the present invention proposes a new solution. Contents of the invention [0004] The purpose of this invention is to provide a kind of preparation method of strapping. [0005] In order to achieve the above purpose, the technical solu...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/00B29C69/00B29C47/00B65D63/10
CPCC08L23/12B29C48/0011B65D63/10C08J3/226C08J2323/12C08J2423/00C08L23/00
Inventor 易显芬袁刚
Owner LUZHOU YIFA PACKAGING MATERIAL