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Coloring agent for electrochemical aluminum paint and preparation method thereof

A technology of coloring agent and anodized aluminum, which is applied in the direction of copying/marking, printing, etc., can solve the problems of unsatisfactory stability, curability and heat resistance, and restrict the development of anodized aluminum coating industry, and achieve excellent hot stamping applicability , Excellent heat resistance, excellent alcohol resistance effect

Inactive Publication Date: 2009-09-02
上海绘兰材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Anodized aluminum coating products include full-scale transfer film, semi-transfer film, laser film, boiling-resistant film, bronzing film, etc., which can be used in high-end printing and packaging fields such as tobacco and alcohol. At present, there is a huge demand at home and abroad; however, due to the existing The stability, curability, and heat resistance of raw materials such as release agents, colorants, and adhesives used in products are not ideal, which greatly restricts the development of the anodized aluminum coating industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation method for the coloring agent of anodized aluminum coating, the method comprises the following process steps:

[0021] (1) 80 kilograms of butanone and 20 kilograms of cyclohexanone are dropped into the reactor earlier, and start to stir;

[0022] (2) Put 65 kg of polyurethane resin, 10 kg of melamine resin, and 20 kg of nitrocellulose into the reaction kettle in turn, and stir for about 2 hours to obtain a colorant product.

Embodiment 2

[0024] A preparation method for the coloring agent of anodized aluminum coating, the method comprises the following process steps:

[0025] (1) 100 kilograms of methyl ethyl ketone and 20 kilograms of cyclohexanone are dropped into the reactor earlier, and start to stir;

[0026] (2) Put 70 kg of polyurethane resin, 10 kg of melamine resin, 10 kg of acrylic resin, and 20 kg of nitrocellulose into the reaction kettle in turn, and stir for about 3 hours to obtain a colorant product, which has excellent alcohol resistance .

Embodiment 3

[0028] A preparation method for the coloring agent of anodized aluminum coating, the method comprises the following process steps:

[0029] (1) 65 kilograms of methyl ethyl ketone and 15 kilograms of cyclohexanone are dropped into the reactor earlier, and start to stir;

[0030] (2) Put 60 kg of polyurethane resin, 10 kg of amino resin, 10 kg of melamine resin, and 10 kg of epoxy resin into the reaction kettle in turn, and stir for about 1 hour to obtain the colorant product.

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PUM

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Abstract

The invention relates to a colorant for anodized aluminum paint and a preparation method thereof. The formula of the colorant is in parts by weight: 60-70 parts of polyurethane resin, 20-50 parts of resin modifier, and 80-120 parts of solvent; Described resin modifier is selected from one or more of acrylic resin, melamine resin, nitrocellulose, vinyl resin; Described solvent comprises butanone and / or cyclohexanone; The preparation method of this colorant comprises solvent Stirring, mixing and other process steps. Compared with the prior art, the invention has good stability, hot stamping applicability, release property and heat resistance.

Description

technical field [0001] The invention relates to a functional film coating product, in particular to a colorant for anodized aluminum coating and a preparation method thereof. Background technique [0002] Functional thin film coating products include thermal transfer carbon tape (TTR), multiple thermal conductive film (ACF) and anodized aluminum coating, etc. It is based on polyester film and coated with various coatings with different chemical properties of new materials. Thermal transfer carbon belt products are widely used in barcode printers, aircraft registration cards, train tickets, supermarket product labels and other fields that require fast scanning and identification. At present, all domestic products are monopolized by foreign products. A number of thermal conductive films are world-wide advanced technology products, widely used in the fields of microelectronics and high-performance liquid crystal displays, and currently only a few companies in Japan can produce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M5/385B41M5/382
Inventor 金青松王清
Owner 上海绘兰材料科技有限公司
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