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Toughened aluminum foil tape and manufacturing method thereof

A technology of aluminum foil tape and manufacturing method, which is applied in the field of aluminum foil tape, can solve problems such as low utilization rate, pollute the environment, and complicated process, and achieve the effects of high utilization rate, low energy consumption, and simple process

Active Publication Date: 2014-04-30
ZHEJIANG DEYANG ADHESIVE PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the waste of resources, high cost, complex process, environmental pollution, and low utilization rate of the existing aluminum foil tape and its manufacturing method, the present invention provides a toughened aluminum foil tape and its manufacturing method, which are cost-saving, simple in process, and reduce Waste of resources, low energy consumption, easy to use, high utilization rate

Method used

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  • Toughened aluminum foil tape and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, the toughened aluminum foil tape is composed of a plastic film layer 1 , an intermediate aluminum foil layer 2 and a primer layer 3 . The plastic film layer 1 is directly compounded on the middle aluminum foil layer 2, and the primer layer 3 is coated on the other side of the middle aluminum foil layer 2. In this embodiment, the plastic film layer 1 is a three-layer co-extruded toughened composite plastic film, which is formed by co-extruding three layers of an inner film, a middle film and an outer film, wherein the inner film is EAA, and the middle film is LDPE. The outer film is LLDPE.

[0028] The manufacturing process is as follows: the aluminum foil is preheated through a drying tunnel with a temperature of 120°C, and then compounded with the inner film of the plastic film layer, so that the plastic film layer is initially compounded on the aluminum foil. The melting point of the inner layer film is the lowest, and the temperature tran...

Embodiment 2

[0032] Such as figure 1 As shown, the toughened aluminum foil tape is composed of a plastic film layer 1 , an intermediate aluminum foil layer 2 and a primer layer 3 . The plastic film layer 1 is directly compounded on the middle aluminum foil layer 2, and the primer layer 3 is coated on the other side of the middle aluminum foil layer 2. In this embodiment, the plastic film layer 1 is a three-layer co-extrusion toughened composite plastic film, which is formed by co-extruding three layers of an inner film, a middle film and an outer film, wherein the inner film is EAA, and the middle film is LLDPE. The outer film is HDPE.

[0033] The manufacturing process is as follows: the aluminum foil is preheated through a drying tunnel at a temperature of 150°C, and then compounded with the inner film of the plastic film layer, so that the plastic film layer is initially compounded on the aluminum foil. The melting point of the inner layer film is the lowest, and the temperature trans...

Embodiment 3

[0037] Such as figure 1 As shown, the toughened aluminum foil tape is composed of a plastic film layer 1 , an intermediate aluminum foil layer 2 and a primer layer 3 . The plastic film layer 1 is directly compounded on the middle aluminum foil layer 2, and the primer layer 3 is coated on the other side of the middle aluminum foil layer 2. In this embodiment, the plastic film layer 1 is a three-layer co-extruded toughened composite plastic film, which is formed by co-extruding three layers of an inner film, a middle film and an outer film, wherein the inner film is EAA, and the middle film is LDPE. The outer film is LDPE.

[0038] The manufacturing process is as follows: the aluminum foil is preheated through a drying tunnel with a temperature of 160°C, and then compounded with the inner film of the plastic film layer, so that the plastic film layer is initially compounded on the aluminum foil. The melting point of the inner layer film is the lowest, and the temperature trans...

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Abstract

The invention relates to a toughened aluminum foil tape which comprises a plastic film layer, a middle aluminum foil layer and a base adhesive layer, wherein the plastic film layer is directly compounded with the middle aluminum foil layer; and the base adhesive layer is applied to the other surface of the middle aluminum foil layer. The manufacturing method comprises the following steps: A. preheating the aluminum foil in a drying tunnel, directly compounding the preheated aluminum foil with the plastic film layer, and compacting the plastic film layer with the aluminum foil with compression rollers; B. heating the plastic film / aluminum foil compounded layer treated by the step A in the drying tunnel of the drying oven, cooling, and forming the outer layer / middle layer combination of the toughened aluminum foil tape; and C. coating the base adhesive layer on the other surface of the aluminum foil of the outer layer / middle layer combination of the toughened aluminum foil tape, and drying the base adhesive layer to form the toughened aluminum foil tape. Compared with the existing aluminum foil tape, the invention reduces one adhesive layer, and has the advantages of excellent corrosion resistance, high tensile strength, high tear-fracture tendency, cost saving, technique, lower waste of resources, low energy consumption, high use convenience and high utilization ratio.

Description

(1) Technical field [0001] The invention relates to an aluminum foil tape and a manufacturing method of the aluminum foil tape. (2) Background technology [0002] Existing aluminum foil tapes, such as the aluminum foil tape of Ningbo Pacific Packaging Tape Co., Ltd., have a three-layer structure, which is laminated by an aluminum foil layer and a release paper layer. The main process is to coat the pressure-sensitive adhesive on the aluminum foil layer, and then apply a release pattern paper. The main disadvantage of this kind of aluminum foil tape is that the quality of the release paper is very high, but the release paper must be completely torn up when using it, which wastes resources, high cost, and low work efficiency. [0003] Another example is the laminated aluminum foil tape of Xiamen Fengyou Adhesive Products Co., Ltd., which has a four-layer structure, consisting of four layers: plastic film layer, plastic film adhesive layer, aluminum foil layer, and primer laye...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/02B32B27/06B32B27/30B32B27/32B32B37/06B32B15/08B32B15/20
Inventor 丁戎江
Owner ZHEJIANG DEYANG ADHESIVE PROD
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