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A ring-pull material suitable for laser processing and its preparation method

A laser, aluminum substrate technology, applied in epoxy resin coatings, devices for coating liquids on surfaces, coatings, etc. The effect of reducing VOCS emission, improving adhesion and low production cost

Active Publication Date: 2021-09-28
山东龙口三元铝材有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a ring-pull material suitable for laser processing and a preparation method thereof, which solves the problem of single color of the traditional pull-ring material in the background technology, blurred patterns or characters after lasering, easy peeling off of the coating, no anti-counterfeiting function, and production problems. Problems of high cost, decreased yield strength, low temperature resistance, and low adhesion of the coating

Method used

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  • A ring-pull material suitable for laser processing and its preparation method
  • A ring-pull material suitable for laser processing and its preparation method
  • A ring-pull material suitable for laser processing and its preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0031]The high temperature resistant inner coating of the present embodiment comprises the following raw materials in parts by weight: 40 parts of epoxy resin, 11 parts of amino resin, 2 parts of high temperature resistant organic pigment, 16 parts of aromatic hydrocarbon solvent, 10 parts of ethylene glycol monobutyl ether, 3 parts of n-butanol, 10 parts of propylene glycol methyl ether acetate.

[0032] The epoxy outer coating comprises the following raw materials in parts by weight: 25 parts of ethylene glycol monobutyl ether, 5 parts of dibasic ester mixture, 15 parts of propylene glycol methyl ether acetate, 1 part of n-butanol, and 15 parts of aromatic hydrocarbon solvent , 8 parts of nano graphite powder.

[0033] The passivation stock solution includes the following raw materials in parts by weight: 0.1 part of hydrofluoric acid, 20 parts of nitric acid, and 10 parts of trivalent chromium.

[0034] A method for preparing a pull ring material suitable for laser process...

Embodiment 2

[0037] The high-temperature-resistant inner coating of this embodiment includes the following raw materials in parts by weight: 42 parts of epoxy resin, 12 parts of amino resin, 1 part of high-temperature-resistant organic pigment, 0.1 part of dispersant, 18 parts of aromatic hydrocarbon solvent, ethylene glycol alone 15 parts of butyl ether, 5 parts of n-butanol, and 16 parts of propylene glycol methyl ether acetate.

[0038] The epoxy outer coating comprises the following raw materials in parts by weight: 18 parts of ethylene glycol monobutyl ether, 8 parts of dibasic ester mixture, 20 parts of propylene glycol methyl ether acetate, 3 parts of n-butanol, and 18 parts of aromatic hydrocarbon solvent , 7 parts of nano graphite powder.

[0039] The passivation stock solution includes the following raw materials in parts by weight: 0.8 parts of hydrofluoric acid, 25 parts of nitric acid, and 4 parts of trivalent chromium.

[0040] A method for preparing a pull ring material sui...

Embodiment 3

[0043] The high temperature resistant inner coating of the present embodiment comprises the following raw materials in parts by weight: 46 parts of epoxy resin, 13 parts of amino resin, 5 parts of high temperature resistant organic pigment, 0.5 part of dispersant, 15 parts of aromatic hydrocarbon solvent, ethylene glycol mono 14 parts of butyl ether, 2 parts of n-butanol, 13 parts of propylene glycol methyl ether acetate.

[0044] The epoxy outer coating comprises the following raw materials in parts by weight: 15 parts of ethylene glycol monobutyl ether, 7 parts of dibasic ester mixture, 18 parts of propylene glycol methyl ether acetate, 4 parts of n-butanol, 20 parts of aromatic hydrocarbon solvent , 6 parts of nano graphite powder.

[0045] The passivation stock solution includes the following raw materials in parts by weight: 0.8 parts of hydrofluoric acid, 27 parts of nitric acid, and 5 parts of trivalent chromium.

[0046] A method for preparing a pull ring material sui...

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Abstract

The invention discloses a ring-pull material suitable for laser processing and a preparation method thereof. Specific inner coatings and outer coatings are adopted, and through a reasonable ratio, the inner coating can withstand high temperatures during laser processing. , prevent damage to the aluminum base material during laser, protect the aluminum base material, and avoid the decrease of the yield strength and tensile strength of the aluminum base material; the pull ring material prepared by the present invention is suitable for laser processing and has excellent Laser processing performance; at the same time, it is decorative, and different colors can be selected according to the packaging to meet the different needs of customers and reflect the individuality of the product. It can have anti-counterfeiting functions by lasering two-dimensional codes and characters on the product of the present invention; in addition, the process of the present invention Simple, low production cost, can effectively reduce environmental pollution, reduce the number of times of coating and printing, reduce VOCS emissions, and have good economic and social benefits.

Description

technical field [0001] The invention belongs to the field of novel composite materials, and in particular relates to a pull ring material suitable for laser processing and a preparation method thereof. Background technique [0002] The traditional ring pull material takes on the function of opening the can after being assembled by a combination machine, and generally does not have the technology that can withstand laser. At the same time, the traditional pull-ring material uses ordinary organic paint with a single color; the traditional pull-ring material cannot be processed by laser due to the constraints of the production process and the characteristics of the paint. If the processing is forced, the pattern or character after laser will be blurred, and The coating peeled off when it was processed into a pull ring. [0003] At present, there is a technology for processing laser film on one side of the substrate, but for double-sided laser, if the control is not good, when ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D3/00B05D3/02B05D3/04B05D5/00B05D7/00B05D7/14B05D7/24C09D163/00C09D161/20C09D7/61
CPCB05D3/002B05D3/0272B05D3/0473B05D5/00B05D7/14B05D7/24B05D7/574C08K2201/011C08L2201/08C09D5/18C09D163/00C09D7/61C08L61/20C08K3/04
Inventor 王清山杜文斌
Owner 山东龙口三元铝材有限公司
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