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Water-soluble vacuum coating paint

A vacuum coating, water-soluble technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of no water-soluble coating coatings, difficult to adapt to water-soluble paints, easy to cause fire, etc., to prevent colorful, not easy to fire. and human poisoning hazards, moderate price effect

Active Publication Date: 2011-02-09
GUANGDONG SHEN ZHAN IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In construction application, the solid content is only about 12.5%, and the remaining 87.5% is petroleum solvent, which not only consumes a lot of energy, but also easily causes fires and pollutes the atmosphere.
According to data verification, due to the harsh conditions of the coating process, it is difficult for general water-soluble paints to adapt
At present, there are no relevant reports on water-soluble coating coatings at home and abroad, and there is no product supply

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: The water-soluble vacuum coating coating of this example is made of following raw materials in weight ratio:

[0026] Mixed vegetable oil 13.5;

[0027] Polyol 3.8;

[0028] Mixed phenolic resin 6.8;

[0029] Acrylic 3.6;

[0030] Anhydride 8.0;

[0031] Isocyanate 2.5;

[0032] Co-solvent 6.5;

[0033] Neutralizer appropriate amount;

[0034] Distilled water 55.0.

[0035] The coating is prepared in a reaction kettle: alcoholysis reaction of mixed vegetable oil and polyol in the formula amount; then addition reaction of mixed phenolic resin; addition of acid anhydride and acrylic acid for polycondensation; addition of isocyanate for urethanization reaction, Then add a cosolvent to dilute, add an appropriate amount of neutralizer, adjust the pH value to make the pH value 7-8.5; finally add distilled water to dissolve, and obtain a water-soluble vacuum coating coating.

Embodiment 2

[0036] Embodiment 2: the water-soluble vacuum coating of this example is made of the following weight ratio raw materials:

[0037] Mixed fatty acids 13.5;

[0038] Polyol 4.0;

[0039] Anhydride 7.5;

[0040] Acrylic 3.0;

[0041] Mixed phenolic resin 7.2;

[0042] Modified chlorinated polyolefin 1.5;

[0043] Isocyanate 3.1;

[0044] Co-solvent 6.7;

[0045] Neutralizer appropriate amount;

[0046] Distilled water 53.0.

[0047] The preparation of this coating is carried out in a reaction kettle: add the mixed fatty acid, polyol and mixed phenolic resin in the formula amount; then add acid anhydride and acrylic acid to carry out polycondensation reaction; then add isocyanate to carry out urethane reaction, and then add modified chlorinated The polyolefin is blended; the cosolvent is added to dilute, and an appropriate amount of neutralizer is added to adjust the pH value to 7-8.5; finally, distilled water is added to dissolve to obtain a water-soluble vacuum coating....

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PUM

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Abstract

The invention relates to water-soluble vacuum deposition coating. The formula of the invention comprises the raw materials (weight percent): vegetable oil and fatty acid thereof 10-20, polylol 2-10, phenolic resin 4-10, estolide 5-15, acrylic acid 4-8, modified chlorinated polyolefine 0-2, isocyanate 2-5, latent solvent 4-8, appropriate neutralizing agent and water 50-60, which undergo alcoholysis, polycondensation, addition, urethanation, latent solvent addition, pH value regulation and dissolution by adding water to produce the coating. The invention can be used for surface coating of vacuum deposition of products such as plastic, metal, ceramic, glass, unsaturated resin, wax, and paper and so on. The coating has the remarkable characteristic that the coating takes water as the solvent,which, during the preparation or the construction, saves a large amount of petroleum resource-petroleum solvent, also has no toxicity and odor, is not easy to burn and cause the hazard of fire accidents and human poisoning, and belongs to the environmental protection product.

Description

Technical field: [0001] The invention relates to a bottom and surface water-soluble paint used in vacuum coating technology, commonly known as water-soluble vacuum coating oil, which can be used for surface coating of vacuum coatings on plastics, metals, ceramics, glass, unsaturated resins, wax, paper and other products. cover. technical background: [0002] Most of the existing vacuum coating coatings are made of alkyd polyurethane, phenolic polyurethane or modified urethane oil, which are polymerized by solution, and about 50% of them are petroleum solvents. In construction applications, the solid content is only about 12.5%, and the remaining 87.5% is petroleum solvent, which not only consumes a lot of energy, but also easily causes fires and pollutes the atmosphere. According to data verification, due to the harsh conditions of the coating process, it is difficult for general water-soluble paints to adapt. At present, there are no relevant reports about water-soluble c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04
Inventor 王兆勤黄鸿宏黄楚龙黄烁鑫黄洪填
Owner GUANGDONG SHEN ZHAN IND CO LTD