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A self-dulling water-based transfer aluminum coating

A self-extinguishing, water-based technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of heavy pollution, strong odor, cumbersome process, etc., and achieve the effect of reducing the cost of use, convenient production and environmental friendliness

Active Publication Date: 2017-10-24
SHANGHAI CHENGYING NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, matte aluminum-coated paper has become an important branch of aluminum-coated paper due to its unique appearance. However, the matte transfer metal-coated paper on the market now uses solvent-based coatings, which have a strong smell and heavy pollution. Relying on the addition of matting powder / matting paste to make the coating have a matte effect, it needs to be pre-dispersed before use, the process is cumbersome, and because the dispersion process / matting effect corresponding to different matting powders is significantly different, the appearance of the product is not easy to control

Method used

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  • A self-dulling water-based transfer aluminum coating
  • A self-dulling water-based transfer aluminum coating

Examples

Experimental program
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Effect test

Embodiment 1

[0029] A method for preparing self-dulling water-based transfer aluminized coating, the method comprises the following processing steps:

[0030] (1) 35 kilograms of water-based polyurethane emulsion A, 5 kilograms of water-based polyurethane emulsion B, and 25 kilograms of water-based polyurethane modified acrylic acid C are dropped into the reactor successively, and stirred at a slow speed for 0.5 hour;

[0031] (2) Keep stirring and drop into the reaction kettle after premixing 12 kilograms of water and 23 kilograms of ethanol, and stir for 0.5 hour;

[0032] (3) After mixing evenly, slowly put 200g of wetting agent into the reaction kettle and stir at high speed for 10-15 minutes;

[0033] (4) After mixing evenly, slowly put 200g of defoamer into the reaction kettle and stir at high speed for 20-30 minutes.

[0034] 100.4 kilograms of final gained coatings, solid content 22%. Control coating dry weight 1.4g / m 2 , The coating has good leveling property, no orange peel an...

Embodiment 2

[0036] A method for preparing self-dulling water-based transfer aluminized coating, the method comprises the following processing steps:

[0037] (1) 30 kilograms of water-based polyurethane emulsion A, 15 kilograms of water-based polyurethane emulsion B, and 15 kilograms of water-based polyurethane modified acrylic acid C are dropped into the reactor successively, and stirred at a slow speed for 0.5 hour;

[0038] (2) Keep stirring and drop into the reactor after premixing 13 kilograms of water and 27 kilograms of ethanol, and stir for 0.5 hour;

[0039] (3) After mixing evenly, slowly put 300g of wetting agent into the reaction kettle, and stir at high speed for 10-15 minutes;

[0040] (4) After mixing evenly, slowly put 100g of defoamer into the reaction kettle and stir at high speed for 20-30 minutes.

[0041] 100.4 kilograms of final gained coatings, solid content 20%. Control coating dry weight 1.4g / m 2 , The coating has good leveling property, no orange peel and no b...

Embodiment 3

[0043] A method for preparing self-dulling water-based transfer aluminized coating, the method comprises the following processing steps:

[0044] (1) 35 kilograms of water-based polyurethane emulsion A, 30 kilograms of water-based polyurethane emulsion B, and 5 kilograms of water-based polyurethane modified acrylic acid C are dropped into the reactor successively, and stirred at a slow speed for 0.5 hour;

[0045] (2) Keep stirring and drop into the reactor after premixing 10 kilograms of water and 20 kilograms of ethanol, and stir for 0.5 hour;

[0046] (3) After mixing evenly, slowly put 100g of wetting agent into the reaction kettle and stir at high speed for 10-15 minutes;

[0047] (4) After mixing evenly, slowly put 300g of defoamer into the reaction kettle and stir at high speed for 20-30 minutes.

[0048] 100.4 kilograms of final gained coatings, solid content 22%. Control coating dry weight 1.4g / m 2 , The coating has good leveling property, no orange peel and no bub...

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Abstract

The invention provides a self-matting water-based transfer aluminizing paint which comprises the following components in parts by weight: 35-65 parts of water-based polyurethane emulsion, 5-25 parts of water-based polyurethane modified acrylic acid, 0.1-0.3 part of wetting agent, 0.1-0.3 part of defoaming agent, 10-13 parts of water and 20-27 parts of ethanol. The paint does not need matting powder, is convenient for production, can lower the use cost, and is environment-friendly due to the adoption of the water-based system. The paint can obtain a series of transfer aluminized paper sheets with different matting degrees after coating transfer.

Description

technical field [0001] The invention relates to a self-dulling water-based transfer aluminized coating, in particular to a self-dulling water-based transfer aluminized coating for transferring aluminized paper. Background technique [0002] Transfer aluminized coating is an important part of transfer aluminized paper. When using it, first coat the coating on PET / OPP film and other substrates, and then transfer to the surface of paper after vacuum aluminizing. After the PET / OPP is peeled off, the transfer is formed. Aluminized paper. Due to the mirror reflection effect of the aluminum layer, the transfer aluminized paper has a high-gloss metallic texture and good printability, and can be widely used in various high-end packaging. Among them, matte aluminum-coated paper has become an important branch of aluminum-coated paper due to its unique appearance. However, the matte transfer metal-coated paper on the market now uses solvent-based coatings, which have a strong smell and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D175/14C09D175/06
CPCC08L2205/02C08L2205/03C09D175/04C08L75/14C08L75/06
Inventor 董海普汪哲夏炳忠谢允斌
Owner SHANGHAI CHENGYING NEW MATERIALS
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