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A kind of water-based plastic paint and preparation method thereof

A plastic coating, water-based technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of late research and development of water-based plastic coatings, poor orientation of glitter pigments, and easy to be affected by humidity, etc., to achieve excellent hand feeling and color retention Good performance, controllable softness and hardness

Active Publication Date: 2017-01-04
JIANGSU MARINE VICTORY COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the requirements for environmental protection and resources, people have requested to limit the use of high VOC content and toxic coatings. The research and development of water-based plastic coatings in my country is relatively late.
Due to the nature of water, although plastic water-based coatings have many advantages, compared with traditional solvent-based coatings, there are still some problems. The first is that water has a high latent heat of evaporation and is easily affected by humidity, resulting in sagging and flashing pigments. Misorientation and other issues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] This embodiment provides a water-based plastic coating, which comprises the following components by mass percentage: water-based resin emulsion: 45%, deionized water: 40%, calcium carbonate: 10%, additives: 5%;

[0034] Among them, the water-based resin emulsion is formed by mixing siloxane-modified UV-curable water-based polyurethane emulsion and water-based polyurethane / polyacrylate composite emulsion at a mass ratio of 1:1;

[0035] The siloxane-modified UV-curable water-based polyurethane emulsion includes the following components in parts by mass: isophorone diisocyanate: 15 parts, polyether siloxane diol: 15 parts, polytetrahydrofuran diol: 8 parts , dihydroxypropionic acid: 5 parts, 1,4-butanediol: 5 parts, pentaerythritol triacrylate: 15 parts, triethylamine: 4 parts;

[0036] The water-based polyurethane / polyacrylate composite emulsion includes the following components in parts by mass: Polyoxypropylene glycol: 10 parts, dimethylol propionic acid: 13 parts, iso...

Embodiment 2

[0047] This embodiment provides a water-based plastic coating, which comprises the following components by mass percentage: water-based resin emulsion: 50%, deionized water: 38%, titanium dioxide: 8%, additives: 4%;

[0048] Among them, the water-based resin emulsion is formed by mixing siloxane-modified UV-curable water-based polyurethane emulsion and water-based polyurethane / polyacrylate composite emulsion at a mass ratio of 1:1;

[0049] The siloxane-modified UV-curable water-based polyurethane emulsion includes the following components in parts by mass: isophorone diisocyanate: 10 parts, polyether siloxane diol: 13 parts, polytetrahydrofuran diol: 5 parts , dihydroxypropionic acid: 7 parts, 1,4-butanediol: 10 parts, pentaerythritol triacrylate: 20 parts, triethylamine: 2 parts;

[0050] The water-based polyurethane / polyacrylate composite emulsion includes the following components in parts by mass: Polyoxypropylene glycol: 13 parts, dimethylol propionic acid: 15 parts, isop...

Embodiment 3

[0061] This embodiment provides a water-based plastic coating, which comprises the following components by mass percentage: water-based resin emulsion: 47%, deionized water: 40%, bentonite: 10%, additives: 3%;

[0062] Among them, the water-based resin emulsion is formed by mixing siloxane-modified UV-curable water-based polyurethane emulsion and water-based polyurethane / polyacrylate composite emulsion at a mass ratio of 1:1;

[0063] The siloxane-modified UV-curable water-based polyurethane emulsion includes the following components in parts by mass: isophorone diisocyanate: 12 parts, polyether siloxane diol: 10 parts, polytetrahydrofuran diol: 10 parts , dihydroxypropionic acid: 8 parts, 1,4-butanediol: 8 parts, pentaerythritol triacrylate: 20 parts, triethylamine: 5 parts;

[0064] The water-based polyurethane / polyacrylate composite emulsion includes the following components in parts by mass: Polyoxypropylene glycol: 15 parts, dimethylol propionic acid: 10 parts, isophorone...

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PUM

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Abstract

The invention discloses a water-based plastic coating, which comprises the following components: water-based resin emulsion, deionized water, fillers and auxiliary agents. The invention also designs a preparation method of the water-based plastic coating, adding filler to the water-based resin emulsion, Add an appropriate amount of deionized water, stir and pour it into a sand mill for grinding. When the fineness reaches below 80 μm, put it into a dispersion tank, add additives, seal and stir, and check the viscosity ≥ 95s to prepare a water-based plastic coating; the water-based plastic coating has Excellent water absorption, water retention, water absorption and release, good humidity control effect, can be used to adjust the relative humidity in the room, washing resistance, high water resistance and solvent resistance, anti-corrosion, alkali resistance, light and weather resistance, film-forming properties Good color retention, wear resistance, corrosion resistance, controllable softness and hardness, and high cost performance. The preparation method is simple and pollution-free, good in construction, and safe in use.

Description

technical field [0001] The invention belongs to the field of industrial paint preparation, in particular to a water-based plastic paint and a preparation method thereof. Background technique [0002] Plastic is light in weight, easy to process and corrosion-resistant. Rich resources and other characteristics have widely replaced traditional materials such as metals. Wood, leather, etc., commonly appear in our daily life. However, when plastic products are molded and processed, they will have defects such as uneven color, monotonous color, mottled defects, etc., and are prone to problems such as aging and brittleness, scratches, stains, and static electricity. Coating can avoid the above-mentioned defects and problems. The research and development of plastic coatings has been widely concerned by paint workers. However, since plastics are low surface energy substances, their surface coating is much more difficult than that of steel, wood, buildings, etc. Efforts have become...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D175/08C09D133/02C09D7/12C08G18/75C08G18/67C08G18/66C08G18/48C08G18/61C08G18/34C08G18/32
Inventor 郑化陈廷生刘小林
Owner JIANGSU MARINE VICTORY COATING