Water-based colored light-cured paint and preparation method thereof

文档序号：674599 发布日期：2021-04-30 浏览：2次中文

阅读说明：本技术 一种水性有色光固化漆及其制备方法 (Water-based colored light-cured paint and preparation method thereof ) 是由王登伦于 2021-01-19 设计创作，主要内容包括：本发明公开了一种水性有色光固化漆及其制备方法,去离子水10％～30％；水性润湿剂0.1％～2％；水性流平剂0.1％～2％；水性环保成膜助剂1％～13％；水性光引发剂1％～10％；水性聚氨酯丙烯酸酯树脂50％～70％；水性聚氨酯树脂3％～12％；环保型水性有机颜料1％～10％；水性专用消光耐磨蜡浆液2％～10％；水性增稠剂0.2％～2％；本发明具有流动性能好、展色效果优异、喷涂施工适应性强等特点。(The invention discloses a water-based colored photo-curing paint and a preparation method thereof, wherein 10-30% of deionized water is used; 0.1 to 2 percent of water-based wetting agent; 0.1 to 2 percent of water-based leveling agent; 1-13% of water-based environment-friendly film-forming assistant; 1-10% of water-based photoinitiator; 50-70% of waterborne polyurethane acrylate resin; 3-12% of waterborne polyurethane resin; 1 to 10 percent of environment-friendly water-based organic pigment; 2-10% of aqueous special extinction wear-resistant wax slurry; 0.2 to 2 percent of water-based thickening agent; the invention has the characteristics of good flowing property, excellent color spreading effect, strong adaptability of spraying construction and the like.)

1. The water-based colored light-cured paint is characterized by comprising the following raw materials in parts by weight:

2. the aqueous colored photocurable paint according to claim 1, characterized by comprising the following raw materials in parts by weight:

the environment-friendly water-based organic pigment is environment-friendly water-based carbon black pigment slurry.

3. The aqueous colored photocurable paint according to claim 1 or 2, characterized in that: the aqueous special extinction wear-resistant wax slurry comprises deionized water and modified PE wax powder.

4. The aqueous colored photocurable paint according to claim 3, wherein: and 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

5. A method for preparing an aqueous colored photocurable paint according to claim 1 or 2, characterized in that it comprises the following steps:

1) preparing aqueous special extinction wear-resistant wax slurry, checking whether the state of a suitable high-speed stirrer is normal or not, pumping deionized water into a stirring cylinder under the condition of intact state, regulating the speed of a dispersion machine to 300r/min, slowly adding modified PE wax powder, regulating the speed to 1500r/min, sealing and stirring for 120min, adding deionized water, cleaning the inner wall of the cylinder, stirring for 10min, inspecting, testing the fineness and viscosity of the aqueous special extinction wear-resistant wax slurry, and putting the aqueous special extinction wear-resistant wax slurry into a special storage cylinder for later use after the aqueous special extinction wear-resistant wax slurry is qualified;

2) preparing a finished product of the water-based light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 10-30% by weight of deionized water, 0.1-2% by weight of a water-based wetting agent, 0.1-2% by weight of a water-based flatting agent, 1-13% by weight of a water-based environment-friendly film-forming assistant and 1-10% by weight of a water-based photoinitiator under the condition of checking that the material number is accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then 50-70% of waterborne polyurethane acrylate resin, 3-12% of waterborne polyurethane resin, 1-10% of environment-friendly waterborne organic pigment, 2-10% of waterborne special extinction wear-resistant wax slurry and 0.2-2% of waterborne thickener are added, the speed of a dispersion machine is regulated to 800 and 1200r/min, and the dispersion is carried out for 15-25 min, so as to obtain the product;

3) and (4) plate making detection, namely taking a sample of the product from the production cylinder, and sending the sample to the detection, wherein the product is made after the detection is qualified.

6. The method for preparing an aqueous colored photo-curable paint according to claim 5, wherein: and 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

7. The method for preparing an aqueous colored photo-curable paint according to claim 5, wherein: and in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

Technical Field

The invention relates to the technical field of dry beverage preparations, in particular to a water-based colored light-cured paint and a preparation method thereof.

Background

From the current market investigation situation of paint use in the plastic substrate industry in the current society, in the field of appearance coating of household appliances, automotive interior notebook computers, mobile phones and the like, the use type of the paint is gradually changed from solvent-based photocureable coating to water-based photocureable coating, the quality of the water-based photocureable coating is continuously improved, and the water-based photocureable coating can completely replace the performance of the solvent-based photocureable coating. The solvent-based photocureable coating has the following defects:

the production and use of the solvent type photocureable coating mainly use ester and ketone solvents, have great influence on human bodies and environment, particularly have great defects on VOCS treatment, and are easy to cause environmental pollution and human body injury.

Disclosure of Invention

The invention provides a water-based colored light-cured paint and a preparation method thereof.

The scheme of the invention is as follows:

the water-based colored light-cured paint comprises the following raw materials in parts by weight:

the preferable technical scheme comprises the following raw materials in parts by weight:

as a preferred technical scheme, the aqueous special extinction wear-resistant wax slurry comprises deionized water and modified PE wax powder.

As a preferable technical scheme, 1-100 g of the modified PE wax powder is contained in 100ml of the deionized water.

The invention also provides a preparation method of the water-based colored light-cured paint, which comprises the following steps:

As a preferable technical scheme, 1-100 g of the modified PE wax powder is contained in 100ml of the deionized water.

As a preferable technical scheme, the detection in the step 3) comprises detecting the viscosity, the fineness, the appearance of the dry film and the adhesion fastness after the dry film is coated.

And (3) sampling from the production cylinder, sending the sample to QC detection, respectively detecting the viscosity and the fineness of a liquid finished product of the product, the appearance of a dry film and the adhesion fastness after coating the dry film according to the standards of GB/T13217.3 (liquid ink fineness inspection method), GB/T13217.4 (liquid ink viscosity inspection method) and gloss color difference (according to customer requirements) GB/T13217.7 (liquid ink adhesion fastness inspection method), and obtaining the product after qualification.

The technical scheme is adopted, the water-based colored photo-curing paint and the preparation method thereof comprise the steps of 1) preparing water-based special extinction wear-resistant wax slurry, checking whether the state of a high-stirring machine is normal or not, pumping deionized water into a stirring cylinder under the condition of intact state, regulating the speed of a dispersion machine to 300r/min, slowly adding modified PE wax powder, regulating the speed to 1500r/min, sealing and stirring for 120min, adding deionized water and cleaning the inner wall of the cylinder, stirring for 10min, inspecting, testing the fineness and viscosity of the water-based special extinction wear-resistant wax slurry, and putting the qualified water-based special extinction wear-resistant wax slurry into a special storage cylinder for later use; 2) preparing a finished product of the water-based light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 10-30% by weight of deionized water, 0.1-2% by weight of a water-based wetting agent, 0.1-2% by weight of a water-based flatting agent, 1-13% by weight of a water-based environment-friendly film-forming assistant and 1-10% by weight of a water-based photoinitiator under the condition of checking that the material number is accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then 50-70% of waterborne polyurethane acrylate resin, 3-12% of waterborne polyurethane resin, 1-10% of environment-friendly waterborne organic pigment, 2-10% of waterborne special extinction wear-resistant wax slurry and 0.2-2% of waterborne thickener are added, the speed of a dispersion machine is regulated to 800 and 1200r/min, and the dispersion is carried out for 15-25 min, so as to obtain the product; 3) and (4) plate making detection, namely taking a sample of the product from the production cylinder, and sending the sample to the detection, wherein the product is made after the detection is qualified.

The invention has the advantages that:

the water-based colored photo-curing paint is prepared by pre-dispersing, dispersing and adjusting the main connecting material which is deionized water as a main solvent and water-based polyurethane acrylate, and has the characteristics of good flowing property, excellent color spreading effect, strong spraying construction adaptability and the like;

(1) reduces the discharge of VOC in production and use, and realizes the friendliness to human body and environment.

(2) The invention has the advantages of unique selected materials, production according to the standard process, strong adaptability of spraying construction and excellent color-spreading effect.

The physical property test of the paint film after coating meets the requirement of appearance test, and the production and storage quality is stable.

The invention is environment-friendly and safe, has stable quality, can completely replace solvent type colored light-cured paint, and provides a high-quality environment-friendly water-based paint product for the light-cured coating industry of plastic parts.

Detailed Description

In order to make up for the above deficiencies, the invention provides a water-based colored light-cured paint and a preparation method thereof to solve the problems in the background art.

The water-based colored light-cured paint comprises the following raw materials in parts by weight:

the preferable technical scheme comprises the following raw materials in parts by weight:

the aqueous special extinction wear-resistant wax slurry comprises deionized water and modified PE wax powder.

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

The invention also provides a preparation method of the water-based colored light-cured paint, which comprises the following steps:

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

And in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1:

2) preparing a finished product of the waterborne light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 10 weight percent of deionized water, 0.1 weight percent of waterborne wetting agent, 0.1 weight percent of waterborne flatting agent, 1 weight percent of waterborne environment-friendly film forming assistant and 1 weight percent of waterborne photoinitiator under the condition of checking the material number to be accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then 50 weight percent of waterborne polyurethane acrylate resin, 3 weight percent of waterborne polyurethane resin, 1 weight percent of environment-friendly waterborne organic pigment, 2 weight percent of waterborne special extinction wear-resistant wax slurry and 0.2 weight percent of waterborne thickener are added, the speed of a dispersion machine is regulated to 800-1200r/min, and the dispersion is carried out for 15-25 min, thus obtaining the product;

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

And in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

Example 2:

2) preparing a finished product of the water-based light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 30 weight percent of deionized water, 2 weight percent of water-based wetting agent, 2 weight percent of water-based leveling agent, 13 weight percent of water-based environment-friendly film-forming assistant and 10 weight percent of water-based photoinitiator under the condition of checking the material number to be accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then 70 weight percent of waterborne polyurethane acrylate resin, 12 weight percent of waterborne polyurethane resin, 10 weight percent of environment-friendly waterborne organic pigment, 10 weight percent of waterborne special extinction wear-resistant wax slurry and 2 weight percent of waterborne thickener are added, the speed of a dispersion machine is regulated to 800-1200r/min, and the dispersion is carried out for 15-25 min, thus obtaining the product;

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

And in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

Example 3:

2) preparing a finished product of the waterborne light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 10 weight percent of deionized water, 0.1 weight percent of waterborne wetting agent, 0.1 weight percent of waterborne flatting agent, 5 weight percent of waterborne environment-friendly film forming assistant and 5 weight percent of waterborne photoinitiator under the condition of checking the material number to be accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then 50 weight percent of waterborne polyurethane acrylate resin, 5 weight percent of waterborne polyurethane resin, 4 weight percent of environment-friendly waterborne carbon black pigment slurry, 3 weight percent of waterborne special extinction wear-resistant wax slurry and 0.2 weight percent of waterborne thickener are added, the speed of a dispersion machine is regulated to 800-1200r/min, and the dispersion is carried out for 15-25 min, thus obtaining the product;

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

And in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

Example 4

1) Preparing aqueous special extinction wear-resistant wax slurry, checking whether the state of a suitable high-speed stirrer is normal or not, pumping deionized water into a stirring cylinder under the condition of intact state, regulating the speed of a dispersion machine to 300r/min, slowly adding modified PE wax powder, regulating the speed to 1500r/min, sealing and stirring for 120min, adding deionized water, cleaning the inner wall of the cylinder, stirring for 10min, inspecting, testing the fineness and viscosity of the aqueous special extinction wear-resistant wax slurry, and putting the aqueous special extinction wear-resistant wax slurry into a special storage cylinder for later use after the aqueous special extinction wear-resistant wax slurry is qualified;

2) preparing a finished product of the waterborne light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 30 weight percent of deionized water, 0.5 weight percent of a waterborne wetting agent, 0.5 weight percent of a waterborne flatting agent, 13 weight percent of a waterborne environment-friendly film-forming assistant and 10 weight percent of a waterborne photoinitiator under the condition of checking the material number to be accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then adding 60 weight percent of waterborne polyurethane acrylate resin, 10 weight percent of waterborne polyurethane resin, 10 weight percent of environment-friendly waterborne carbon black pigment slurry, 8 weight percent of waterborne special extinction wear-resistant wax slurry and 2 weight percent of waterborne thickener, regulating the speed of a dispersion machine to 800-1200r/min, and dispersing for 15-25 min to obtain a product;

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

And in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

Example 5

2) preparing a finished product of the waterborne light-cured black paint, pre-dispersing ingredients, cleaning a special production material cylinder, and sequentially adding 20 weight percent of deionized water, 0.3 weight percent of waterborne wetting agent, 0.2 weight percent of waterborne flatting agent, 8 weight percent of waterborne environment-friendly film forming additive and 6 weight percent of waterborne photoinitiator under the condition of checking the material number to be accurate and correct; starting a dispersion machine to regulate the speed to 300r/min, and stirring for 3-8 min; then putting 55 weight percent of waterborne polyurethane acrylate resin, 8 weight percent of waterborne polyurethane resin, 6 weight percent of environment-friendly waterborne carbon black pigment slurry, 5 weight percent of waterborne special extinction wear-resistant wax slurry and 1 weight percent of waterborne thickener, regulating the speed of a dispersion machine to 800-1200r/min, and dispersing for 15-25 min to obtain a product;

And 1-100 g of the modified PE wax powder is contained in each 100ml of the deionized water.

And in the step 3), the detection comprises viscosity, fineness, appearance of the dry film and adhesion fastness after the dry film is coated.

The invention provides the following detection data of the finished product of the waterborne photocuring colored paint prepared in the example 5:

the product name is as follows: water-based light-cured colored paint

Product execution standard:

the performance of the notebook computer shell paint film produced by spraying the waterborne light-cured colored paint of the product of the embodiment 5 of the invention is detected as follows:

coating part name: notebook computer shell

The waterborne colored light-cured paint prepared by pre-dispersing, dispersing and adjusting the waterborne polyurethane acrylate as the main connecting material has the characteristics of good flowing property, excellent color developing effect, strong spraying construction adaptability and the like.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

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