CN105199517A - Coating and preparation method thereof - Google Patents
Coating and preparation method thereof Download PDFInfo
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- CN105199517A CN105199517A CN201510738566.9A CN201510738566A CN105199517A CN 105199517 A CN105199517 A CN 105199517A CN 201510738566 A CN201510738566 A CN 201510738566A CN 105199517 A CN105199517 A CN 105199517A
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Abstract
The invention discloses a coating and a preparation method thereof. The coating is prepared from raw materials in parts by mass as follows: 50-80 parts of high-purity water, 40-50 parts of an acrylic emulsion, 1-3 parts of a film forming agent, 0.5-2 parts of carboxymethylcellulose, 3-5 parts of polyacrylic acid, 4-8 parts of 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, 0.1-1 part of methyl-ethyloxy silicone oil, 0.1-0.5 parts of a dispersion agent, 0.1-0.4 parts of gelatin, 0.1-1 part of epoxidized soybean oil, 25-30 parts of microcapsules and 10-20 parts of titanium dioxide. The invention further discloses the preparation method. The coating and the preparation method have the benefits as follows: the prepared coating has good moisture-resistant stability and can have better stability in the moisture environment, cracks are not easily formed and cannot be easily expanded even if cracks are formed, the coating has better repairability, the strength and the stability of the coating are greatly improved, and the life of the coating is greatly prolonged.
Description
Technical field
The present invention relates to chemical technology field, particularly a kind of coating and preparation method thereof.
Background technology
Coating, refers to coat body surface and can form film under certain conditions and play protection, a class I liquid I of decoration or other specific functions or solid material.The classification of the Chemicals of passing through according to the modern times, coating belongs to fine chemical product.Modern coating is progressively becoming the polyfunctional engineering materials of a class, is an important industry in chemical industry.
Along with the development of society, the performance each side of people to coating proposes increasing requirement, and coating is while the performance keeping basis, and performance is also improving constantly.
Coating, due to structure itself, easily causes cracking after using for a long time, even can cause deep cracking thus cannot be intact reparation, this is the problem that the present invention needs to solve.
Summary of the invention
In order to solve the problem, the invention provides a kind of coating and preparation method thereof.
In order to achieve the above object, the invention provides a kind of coating, obtained by the raw material of following mass fraction: high purity water 50-80 part, ACRYLIC EMULSION 40-50 part, membrane-forming agent 1-3 part, carboxymethyl cellulose 0.5-2 part, polyacrylic acid 3-5 part, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 4-8 part, MethylethoxylsiliconFluid Fluid 0.1-1 part, dispersion agent 0.1-0.5 part, gelatin 0.1-0.4 part, epoxy soybean oil 0.1-1 part, microcapsule 25-30 part and titanium dioxide 10-20 part.
Wherein, obtained by the raw material of following mass fraction: high purity water 60-70 part, ACRYLIC EMULSION 40-50 part, membrane-forming agent 1-3 part, carboxymethyl cellulose 0.5-2 part, polyacrylic acid 3-5 part, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 5-7 part, MethylethoxylsiliconFluid Fluid 0.1-1 part, dispersion agent 0.1-0.5 part, gelatin 0.1-0.4 part, epoxy soybean oil 0.1-1 part, microcapsule 25-30 part and titanium dioxide 12-18 part.
Wherein, obtained by the raw material of following mass fraction: high purity water 65 parts, ACRYLIC EMULSION 44 parts, membrane-forming agent 1.3 parts, carboxymethyl cellulose 0.8 part, polyacrylic acid 3.5 parts, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 6 parts, MethylethoxylsiliconFluid Fluid 0.6 part, dispersion agent 0.2 part, 0.3 part, gelatin, epoxy soybean oil 0.5 part, microcapsule 28 parts and titanium dioxide 15 parts.
Wherein, described membrane-forming agent is the mixture of acid polyethylene and acrylate modified butadiene resin, and its massfraction ratio is: 1-2:0.5-1.
Wherein, described dispersion agent is the mixture of polyacrylamide and diethanolamine, and its massfraction ratio is: 0.3-0.8:1-1.3.
Wherein, the particle diameter of described microcapsule is 60-100nm, is made up of capsule core and capsule shell, and its massfraction ratio is: 0.5-1:1.
Wherein, the composition of described capsule core is peroxybenzoic acid tert-pentyl ester, sodium alkyl benzene sulfonate and diisobutyl phthalate, its ratio of quality and the number of copies: 0.3-0.8:0.4-0.6:0.5-0.7.
Wherein, the composition of described capsule shell is polyimide resin and aluminum stearate, and its massfraction ratio is: 1-1.5:0.2-0.5.
Wherein, the preparation method of microcapsule is:
1., peroxybenzoic acid tert-pentyl ester, sodium alkyl benzene sulfonate and diisobutyl phthalate are mixed at ambient temperature and stir obtain capsule core material; 2., by polyimide resin and aluminum stearate mixing, and be heated to 40-60 DEG C and stir and obtain pre-composition; 3., by the capsule core material 1. obtained and the pre-composition 2. obtained mixing, and under the condition of 50-60 DEG C, stir 1-2 hour evenly, then drying obtains microcapsule at ambient temperature.
In order to achieve the above object, present invention also offers a kind of preparation method of described coating, wherein, comprise the following steps:
The first step, by except microcapsule and titanium dioxide raw material mixing, carry out 1-2 hour stir at ambient temperature and obtain compound 1;
Second step, microcapsule and titanium dioxide are joined in compound 1, under the condition of room temperature, carry out 1-1.5 hour stir obtain coating.
The invention has the beneficial effects as follows: coating prepared by the present invention, good stability, still good stability can be had through long-time use, and not easily there is crackle, occur that hair line is also not easily expanded, can have good prosthetic, the strength and stability of coating own is improved greatly, and the life-span improves greatly.
Embodiment
In order to further describe technical scheme of the present invention, enumerate specific experiment method to be below described.
Embodiment 1
Preparation:
Wherein, the preparation method of microcapsule is:
1., by peroxybenzoic acid tert-pentyl ester 20.83g, sodium alkyl benzene sulfonate 27.77g and diisobutyl phthalate 34.7g, mix at ambient temperature and stir and obtain capsule core material; 2., by polyimide resin 138.92g and aluminum stearate 27.78g mix, and be heated to 40 DEG C and stir and obtain pre-composition; 3., by the capsule core material 1. obtained and the pre-composition 2. obtained mixing, and under the condition of 50 DEG C, stir 1 hour evenly, then drying obtains microcapsule at ambient temperature.The particle diameter of the microcapsule obtained is 60nm.
Coating preparation process:
The first step, by high purity water 500g, ACRYLIC EMULSION 400g, acid polyethylene 6.67g, acrylate modified butadiene resin 3.33g, carboxymethyl cellulose 5g, polyacrylic acid 30g, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 40g, MethylethoxylsiliconFluid Fluid 1g, polyacrylamide 0.23g, diethanolamine 0.77g, gelatin 1g, epoxy soybean oil 1g mix, and carry out 1 hour stir at ambient temperature and obtain compound 1;
Second step, microcapsule 250g and titanium dioxide 100g is joined in compound 1, under the condition of room temperature, carry out 1 hour stir obtain coating.
Embodiment 2
Preparation:
Wherein, the preparation of microcapsule:
1., peroxybenzoic acid tert-pentyl ester 57g, sodium alkyl benzene sulfonate 43g and diisobutyl phthalate 50g are mixed at ambient temperature and stir obtain capsule core material; 2., by polyimide resin 112.5g and aluminum stearate 37.5g mix, and be heated to 60 DEG C and stir and obtain pre-composition; 3., by the capsule core material 1. obtained and the pre-composition 2. obtained mixing, and under the condition of 60 DEG C, stir 2 hours evenly, then drying obtains microcapsule at ambient temperature.The particle diameter of the microcapsule obtained is 100nm.
Coating preparation process:
The first step, by high purity water 800g, ACRYLIC EMULSION 500g, acid polyethylene 15g, acrylate modified butadiene resin 15g, carboxymethyl cellulose 20g, polyacrylic acid 50g, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 80g, MethylethoxylsiliconFluid Fluid 10g, polyacrylamide 1.9g, diethanolamine 3.1g, gelatin 4g, epoxy soybean oil 10g mix, and carry out 2 hours stir at ambient temperature and obtain compound 1;
Second step, microcapsule 300g and titanium dioxide 200g is joined in compound 1, under the condition of room temperature, carry out 1.5 hours stir obtain coating.
Embodiment 3
Preparation:
Wherein, the preparation of microcapsule:
1., by peroxybenzoic acid tert-pentyl ester 38g, sodium alkyl benzene sulfonate 38g and diisobutyl phthalate 46.5g, mix at ambient temperature and stir and obtain capsule core material; 2., by polyimide resin 156g and aluminum stearate 31.5g mix, and be heated to 50 DEG C and stir and obtain pre-composition; 3., by the capsule core material 1. obtained and the pre-composition 2. obtained mixing, and under the condition of 50 DEG C, stir 1 hour evenly, then drying obtains microcapsule at ambient temperature.The particle diameter of the microcapsule obtained is 80nm.
Coating preparation process:
The first step, by high purity water 600g, ACRYLIC EMULSION 450g, acid polyethylene 16g, acrylate modified butadiene resin 4g, carboxymethyl cellulose 10g, polyacrylic acid 40g, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 50g, MethylethoxylsiliconFluid Fluid 5g, polyacrylamide 0.67g, diethanolamine 1.33g, gelatin 3g, epoxy soybean oil 5g mix, and carry out 2 hours stir at ambient temperature and obtain compound 1;
Second step, microcapsule 300g and titanium dioxide 150g is joined in compound 1, under the condition of room temperature, carry out 1 hour stir obtain coating.
Embodiment 4
Preparation:
The preparation of microcapsule:
1., by peroxybenzoic acid tert-pentyl ester, sodium alkyl benzene sulfonate and diisobutyl phthalate, its ratio of quality and the number of copies: 0.5:0.5:0.6 mixes at ambient temperature and stirs and obtains capsule core material; 2., by polyimide resin and aluminum stearate, its massfraction ratio is: 1.5:0.5, mixing, and is heated to 50 DEG C and stirs and obtain pre-composition; 3., by the capsule core material 1. obtained and the pre-composition 2. obtained mixing, and under the condition of 55 DEG C, stir 1 hour evenly, then drying obtains microcapsule at ambient temperature.The particle diameter of described microcapsule is 80nm, and its massfraction ratio is: 1:1.
Coating preparation process:
The first step, by high purity water 650g, ACRYLIC EMULSION 440g, acid polyethylene 10.4g, acrylate modified butadiene resin 2.6g, carboxymethyl cellulose 8g, polyacrylic acid 35g, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 60g, MethylethoxylsiliconFluid Fluid 6g, polyacrylamide 0.7g, diethanolamine 1.3g, gelatin 3g, epoxy soybean oil 5g mix, and carry out 1 hour stir at ambient temperature and obtain compound 1;
Second step, microcapsule 280g and titanium dioxide 150g is joined in compound 1, under the condition of room temperature, carry out 1 hour stir obtain coating.
Simultaneous test:
Select the common coating that the coating for preparing of embodiment 1-4 and market are bought, measure the stability of various coating, breaking tenacity and anti-impact force by experiment respectively, then contrast.Stability Determination is according to national standard " GB6753.3-86 coating storage stability test method ".Anti-impact force measures according to ISO6272-2-2002.
Comparing result is in table 1.
The performance comparison of table 1 five kinds of coating:
| object | stable series | breaking tenacity (MPA) | anti-impact force/CM |
| common coating | 6 | 3.4 | 22 |
| embodiment 1 | 8 | 9.87 | 68.2 |
| embodiment 2 | 8 | 9.93 | 67.3 |
| embodiment 3 | 10 | 9.93 | 68.3 |
| embodiment 4 | 8 | 9.95 | 68.2 |
The Crack Self contrast of each group:
Get 50g embodiment 1-4 and common coating is applied to 5cm respectively
2on elastic plate, keep brushing thickness to be about 4mm, carry out air-dry after brushing.
Test method: at the elongated line of the long 0.5cm of the standardized bar of the paint surfaces of each group of coating, places after 24 hours and observes.Comparing result is in table 2.
The Crack Self performance comparison of table 2 five kinds of coating:
| Group | Microgroove length | Storage period | Microgroove changes | Other changes of microgroove place |
| Embodiment 1 | 0.5cm | 24h | Disappear | Smooth as before bright and clean |
| Embodiment 2 | 0.5cm | 24h | Disappear | Smooth as before bright and clean |
| Embodiment 3 | 0.5cm | 24h | Disappear | Smooth as before bright and clean |
| Embodiment 4 | 0.5cm | 24h | Disappear | Smooth as before bright and clean |
| Common coating | 0.5cm | 24h | Unchanged | Unfairness |
To sum up, coating prepared by the present invention, good stability, still can have good stability through long-time use, and not easily occur crackle, occur that hair line is also not easily expanded, can have good prosthetic, the strength and stability of coating own is improved greatly, and the life-span improves greatly.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a coating, it is characterized in that, obtained by the raw material of following mass fraction: high purity water 50-80 part, ACRYLIC EMULSION 40-50 part, membrane-forming agent 1-3 part, carboxymethyl cellulose 0.5-2 part, polyacrylic acid 3-5 part, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 4-8 part, MethylethoxylsiliconFluid Fluid 0.1-1 part, dispersion agent 0.1-0.5 part, gelatin 0.1-0.4 part, epoxy soybean oil 0.1-1 part, microcapsule 25-30 part and titanium dioxide 10-20 part.
2. coating according to claim 1, it is characterized in that, obtained by the raw material of following mass fraction: high purity water 60-70 part, ACRYLIC EMULSION 40-50 part, membrane-forming agent 1-3 part, carboxymethyl cellulose 0.5-2 part, polyacrylic acid 3-5 part, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 5-7 part, MethylethoxylsiliconFluid Fluid 0.1-1 part, dispersion agent 0.1-0.5 part, gelatin 0.1-0.4 part, epoxy soybean oil 0.1-1 part, microcapsule 25-30 part and titanium dioxide 12-18 part.
3. coating according to claim 1 and 2, it is characterized in that, obtained by the raw material of following mass fraction: high purity water 65 parts, ACRYLIC EMULSION 44 parts, membrane-forming agent 1.3 parts, carboxymethyl cellulose 0.8 part, polyacrylic acid 3.5 parts, 2,5-dimethyl-2,5 di-t-butyl hexane peroxide 6 parts, MethylethoxylsiliconFluid Fluid 0.6 part, dispersion agent 0.2 part, 0.3 part, gelatin, epoxy soybean oil 0.5 part, microcapsule 28 parts and titanium dioxide 15 parts.
4. the coating according to any one of claim 1-3, is characterized in that, described membrane-forming agent is the mixture of acid polyethylene and acrylate modified butadiene resin, and its massfraction ratio is: 1-2:0.5-1.
5. the coating according to any one of claim 1-4, is characterized in that, described dispersion agent is the mixture of polyacrylamide and diethanolamine, and its massfraction ratio is: 0.3-0.8:1-1.3.
6. the coating according to any one of claim 1-5, is characterized in that, the particle diameter of described microcapsule is 60-100nm, is made up of capsule core and capsule shell, and its massfraction ratio is: 0.5-1:1.
7. the coating according to any one of claim 1-6, is characterized in that, the composition of described capsule core is peroxybenzoic acid tert-pentyl ester, sodium alkyl benzene sulfonate and diisobutyl phthalate, its ratio of quality and the number of copies: 0.3-0.8:0.4-0.6:0.5-0.7.
8. the coating according to any one of claim 1-7, is characterized in that, the composition of described capsule shell is polyimide resin and aluminum stearate, and its massfraction ratio is: 1-1.5:0.2-0.5.
9. the coating according to any one of claim 6-8, is characterized in that, the preparation method of described microcapsule is:
1., peroxybenzoic acid tert-pentyl ester, sodium alkyl benzene sulfonate and diisobutyl phthalate are mixed at ambient temperature and stir obtain capsule core material; 2., by polyimide resin and aluminum stearate mixing, and be heated to 40-60 DEG C and stir and obtain pre-composition; 3., by the capsule core material 1. obtained and the pre-composition 2. obtained mixing, and under the condition of 50-60 DEG C, stir 1-2 hour evenly, then drying obtains microcapsule at ambient temperature.
10. a preparation method for the coating according to any one of claim 1-9, is characterized in that, comprises the following steps:
The first step, by except microcapsule and titanium dioxide raw material mixing, carry out 1-2 hour stir at ambient temperature and obtain compound 1;
Second step, microcapsule and titanium dioxide are joined in compound 1, under the condition of room temperature, carry out 1-1.5 hour stir obtain coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738566.9A CN105199517A (en) | 2015-11-04 | 2015-11-04 | Coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738566.9A CN105199517A (en) | 2015-11-04 | 2015-11-04 | Coating and preparation method thereof |
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| CN105199517A true CN105199517A (en) | 2015-12-30 |
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| CN201510738566.9A Pending CN105199517A (en) | 2015-11-04 | 2015-11-04 | Coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172300A (en) * | 2019-04-11 | 2019-08-27 | 常州巢典建筑科技有限公司 | A kind of damage of wall selfreparing decorative paint and preparation method thereof |
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| CN103881504A (en) * | 2014-03-18 | 2014-06-25 | 北京工业大学 | Colored self-repairing heat reflecting coating and coating process thereof |
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2015
- 2015-11-04 CN CN201510738566.9A patent/CN105199517A/en active Pending
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| CN101974274A (en) * | 2010-10-27 | 2011-02-16 | 常州光辉化工有限公司 | Water-based acrylic heat insulation coating and preparation method thereof |
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| CN110172300A (en) * | 2019-04-11 | 2019-08-27 | 常州巢典建筑科技有限公司 | A kind of damage of wall selfreparing decorative paint and preparation method thereof |
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Application publication date: 20151230 |