Aqueous single-coating matt transferring aluminum-plating paint and preparation method thereof

A coating and matte technology, applied in the field of water-based single-coat matte transfer aluminized coating and its preparation, can solve problems such as damage to the health of production personnel, environmental pollution, and increase in production costs, and achieve excellent printing adaptability, coating Simple process, overcoming the effect of dark stripes

Inactive Publication Date: 2012-03-07
SHANGHAI CHENGYING NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the patent application has partially improved the printing performance of the product, the solvents and additives used are still organic solvents. The use of a large amount of organic solvents on the one hand damages the health of production personnel and causes serious pollution to the environment, and on the other hand leads to production costs. substantial improvement

Method used

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  • Aqueous single-coating matt transferring aluminum-plating paint and preparation method thereof
  • Aqueous single-coating matt transferring aluminum-plating paint and preparation method thereof
  • Aqueous single-coating matt transferring aluminum-plating paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A kind of water-based single coating matte transfer aluminized coating, the coating is prepared by following components and content (weight part):

[0068]

[0069]

[0070] The weight-average molecular weight Mw of the waterborne polyurethane resin is 40,000, and the softening point is 250°C;

[0071] (2) Add the water-based resin and coloring material into the reaction kettle, and stir evenly at a low speed of 300-500rpm;

[0072] (3) After mixing the co-solvent and deionized water evenly, add 90% into the reaction kettle while stirring, and stir at a low speed of 300-500 rpm for 5-10 minutes;

[0073] (4) Add a defoamer to the reaction kettle, stir at a high speed of 1000-1200rpm for 20-30 minutes, and obtain a matte base material;

[0074] (5) Add matting powder into another reaction kettle, then add the remaining 10% co-solvent and deionized water mixture to soak for 10 minutes, and then control the rotation speed to 100-1200rpm to disperse for 10 minutes; ...

Embodiment 2

[0078] A kind of high stripping environment-friendly water-based transfer paint, this water-based transfer paint is made of following components and content (weight part):

[0079]

[0080] The softening point of the waterborne polyurethane resin is 180°C, the glass transition temperature Tg of the waterborne acrylic resin is 30°C, and the weight average molecular weight (Mw) is 140,000;

[0081] (2) Add the water-based resin and colorant into the reaction kettle, and stir at a low speed of 300-500rpm;

[0082] (3) After mixing the co-solvent and deionized water evenly, add 90% into the reaction kettle while stirring, and stir at a low speed of 300-500 rpm for 5-10 minutes;

[0083] (4) Add a pH regulator to the reaction kettle so that the pH of the system is between 8.0 and 9.0;

[0084] (5) Add wetting agent and leveling agent to the reaction kettle in sequence, and stir at a medium speed of 700-800rpm for 10-20min;

[0085] (6) Add a defoamer to the reaction kettle, an...

Embodiment 3

[0090] A kind of high stripping environment-friendly water-based transfer paint, this water-based transfer paint is made of following components and content (weight part):

[0091]

[0092] The softening point of waterborne polyurethane resin is 150°C;

[0093] (2) Add the water-based resin and colorant into the reaction kettle, and stir at a low speed of 300-500rpm;

[0094] (3) After mixing the co-solvent and deionized water evenly, add 90% into the reaction kettle while stirring, and stir at a low speed of 300-500 rpm for 5-10 minutes;

[0095] (4) Add a pH regulator to the reaction kettle so that the pH of the system is between 8.0 and 9.0;

[0096] (5) Add wetting agents to the reaction kettle in turn, and stir at a medium speed of 700-800rpm for 10-20min to obtain a matte base material;

[0097] (6) Add matting powder into another reaction kettle, then add the remaining 10% co-solvent and deionized water mixture to soak for 10 minutes, and then control the rotation ...

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Abstract

The invention relates to an aqueous single-coating matt transferring aluminum-plating paint and a preparation method thereof. The paint comprises the following components in parts by weight: 20-70 parts of aqueous resin, 10-70 parts of deionized water, 0.5-2 parts of delustering powder, 5-30 parts of cosolvent, 0-10 parts of pigment, 0-2 parts of pH value regulating agent, 0-0.5 part of wetting agent, 0-0.2 part of flatting agent and 0.05-0.2 part of defoaming agent. Compared with the prior art, the aqueous single-coating matt transferring aluminum-plating paint has the advantages of excellent delustering property, simple production process and the like, and is environmentally-friendly.

Description

technical field [0001] The invention relates to a synthesis process of polyamide resin, in particular to a water-based single-coat matte transfer aluminized paint and a preparation method thereof. Background technique [0002] At present, the matte aluminized paper currently used for tobacco packaging and printing uses solvent-based double-coated matte transfer aluminized coatings in the production process, and the coating process is double-coated, that is, the PET base film is first coated with the first coating. Dry and rewind, and then unwind and apply the second coat of paint before rewinding and rewinding. This technology has the following disadvantages: 1. The double-coating process leads to lengthy procedures, time-consuming and labor-intensive work, and low production efficiency; 2. The use of a large amount of organic solvents on the one hand damages the health of production personnel and causes serious pollution to the environment, on the other hand causes The pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D129/04C09D7/12
Inventor 陈智段孔荣
Owner SHANGHAI CHENGYING NEW MATERIALS
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