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Environment-friendly water-based plastic coating as well as preparation method and application thereof

A kind of plastic coating, environment-friendly technology, applied in polyurea/polyurethane coatings, coatings, devices for coating liquids on surfaces, etc., can solve problems such as waste of petroleum resources, air pollution, etc., achieve less environmental pollution and good adhesion , Good leveling effect

Inactive Publication Date: 2017-02-22
叶有国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large proportion of solvent-based coatings are volatile solvents, which will volatilize into the atmosphere after coating, causing a great degree of pollution to the air. These organic solvents are mainly derived from petroleum, which is also a great threat to petroleum resources. waste

Method used

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  • Environment-friendly water-based plastic coating as well as preparation method and application thereof
  • Environment-friendly water-based plastic coating as well as preparation method and application thereof
  • Environment-friendly water-based plastic coating as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Preparation methods of traditional plastic coatings:

[0041] ① Weigh 51 parts of polyurethane acrylate and add 25 parts of water, 0.2 parts of propylene glycol wetting agent, 0.3 parts of ammonia regulator, 11 parts of isobutanol solvent, and 0.13 parts of water-based silicone at 500r / min. Defoamer and disperse at 500r / min for 15min;

[0042] ② Then add 4 parts of hydroxyethyl cellulose thickener, slowly increase the speed to 1500r / min and disperse for 15 minutes;

[0043] ③ When the speed is reduced to 400r / min, slowly add 0.2 parts of acrylate leveling agent and 1 part of polyether copolymerized modified polyorganosiloxane slip agent and disperse for 30 minutes;

[0044] ④Use 14 parts of water to adjust the viscosity to 30s under the conditions of the Ford 4# cup to obtain the traditional plastic coating.

Embodiment 2

[0046] An environment-friendly water-based plastic paint, which is prepared from the following component distribution ratios and preparation methods:

[0047] S1. Preparation of silicone-modified polyurethane acrylate:

[0048] S11. Mix 16g of alkoxysilicone oil and 13g of β-hydroxyethyl acrylate to obtain a mixed solution P;

[0049] S12. Dissolve 34g of isophorone diisocyanate in 6g of isobutanol solvent, heat to 86°C, add the mixed solution P prepared by S11 dropwise under the condition of nitrogen gas, and drop it in 2.5h. After 1.5 hours of constant temperature reaction, the temperature was raised to 86°C, then 6g of isobutanol solvent and 4g of tert-butyl peroxybenzoate initiator were added, and then constant temperature reaction was carried out for 2.5h, and the reaction was stopped after the conversion rate reached 99%. Under reduced pressure, the isobutanol solvent was filtered out under reduced pressure, and 8 g of water and 4 g of triethanolamine were added under s...

Embodiment 3

[0059] An environment-friendly water-based plastic paint, which is prepared from the following component distribution ratios and preparation methods:

[0060] S1. Preparation of silicone-modified polyurethane acrylate:

[0061] S11. Mix 22g of alkoxysilicone oil and 16g of β-hydroxyethyl acrylate to obtain a mixed solution P;

[0062] S12. Dissolve 30 g of isophorone diisocyanate in 4 g of isobutanol solvent, heat to 90° C., add the mixed solution P prepared through S11 dropwise under the condition of nitrogen gas, and drop it in 2.5 hours. After 1.5 hours of constant temperature reaction, the temperature was raised to 83°C, then 4g of isobutanol solvent and 2g of tert-butyl peroxybenzoate initiator were added, and then constant temperature reaction was carried out for 2.5h, and the reaction was stopped after the conversion rate reached 99%. Under reduced pressure, the isobutanol solvent was filtered out under reduced pressure, and 11 g of water and 7 g of triethanolamine wer...

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PUM

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Abstract

The invention discloses an environment-friendly water-based plastic coating. The coating is prepared from the following components in parts by mass: 38-41 parts of organosilicon-modified urethane acrylate, 29-33 parts of water, 0.2-0.4 parts of propylene glycol, 0.2-0.3 parts of ammonia water, 11-13 parts of isobutanol, 0.13-0.18 parts of a water-based organosilicone antifoaming agent, 3.5-5.5 parts of hydroxyethyl cellulose, 0.25-0.35 parts of a polyether modified polysiloxane leveling agent, 0.8-1 part of polyether copolymerization modified polysiloxane and 13-16 parts of water. The coating not only is good in leveling effect, resistant to hydrolysis and good in adhesion, but also discharges little volatile organic matter, thereby being an environment-friendly coating with excellent comprehensive performance.

Description

technical field [0001] The invention relates to a water-based plastic paint, in particular to an environment-friendly water-based plastic paint and its preparation method and application. Background technique [0002] With the increasing shortage of natural resources and people's increasing demand for resources, many areas where steel and wood are used are replaced by recyclable plastics. Therefore, the application of plastics in today's society is becoming more and more extensive, and the protection and decoration of plastic surfaces are becoming more and more important. Due to the low surface energy of plastics, there are certain difficulties in the adhesion of paints on the surface, so most of the paints used on plastic surfaces are solvent-based paints. A large proportion of solvent-based coatings are volatile solvents, which will volatilize into the atmosphere after coating, causing a great degree of air pollution. These organic solvents are mainly derived from petrole...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D101/28C09D7/12C09D7/06C08G18/75C08G18/67C08G18/61C08G81/00B05D3/02B05D7/24C09D7/47
CPCB05D3/0254B05D7/24B05D2502/00C08G18/672C08G18/755C08G81/00C08L2205/025C08L2205/035C09D175/14C09D7/47C09D7/65C08L1/284C08L83/12C08G18/61
Inventor 叶有国
Owner 叶有国
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