CN114316708A - Preparation method of water-in-water colorful crackle paint - Google Patents
Preparation method of water-in-water colorful crackle paint Download PDFInfo
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- CN114316708A CN114316708A CN202210072038.4A CN202210072038A CN114316708A CN 114316708 A CN114316708 A CN 114316708A CN 202210072038 A CN202210072038 A CN 202210072038A CN 114316708 A CN114316708 A CN 114316708A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 239000003973 paint Substances 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 208000037656 Respiratory Sounds Diseases 0.000 title description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 239000008367 deionised water Substances 0.000 claims abstract description 51
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 51
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 239000000843 powder Substances 0.000 claims abstract description 41
- 239000000839 emulsion Substances 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 239000003292 glue Substances 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 31
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 31
- 229920002635 polyurethane Polymers 0.000 claims abstract description 29
- 239000004814 polyurethane Substances 0.000 claims abstract description 29
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 28
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 28
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 23
- 239000010445 mica Substances 0.000 claims abstract description 22
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 22
- 239000002562 thickening agent Substances 0.000 claims abstract description 21
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 20
- 239000003899 bactericide agent Substances 0.000 claims abstract description 20
- 239000003381 stabilizer Substances 0.000 claims abstract description 20
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 19
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 18
- 229920003064 carboxyethyl cellulose Polymers 0.000 claims abstract description 15
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 25
- 239000006185 dispersion Substances 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 239000003086 colorant Substances 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 14
- 229920003015 aliphatic polyurethane dispersion Polymers 0.000 claims description 10
- 239000007908 nanoemulsion Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000004922 lacquer Substances 0.000 claims description 5
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical group COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 4
- -1 alcohol ester Chemical class 0.000 claims description 4
- 229920003009 polyurethane dispersion Polymers 0.000 claims description 3
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 claims description 2
- 231100000053 low toxicity Toxicity 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 19
- 238000005336 cracking Methods 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 17
- 239000011248 coating agent Substances 0.000 description 15
- 239000007787 solid Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- DAFHKNAQFPVRKR-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylpropanoate Chemical group CC(C)C(O)C(C)(C)COC(=O)C(C)C DAFHKNAQFPVRKR-UHFFFAOYSA-N 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical group CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 description 1
- 241000218691 Cupressaceae Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of coatings, and discloses a preparation method of a water-in-water colorful crack paint, wherein a component A comprises the following components: deionized water, water-soluble acrylic resin, ammonia water, carboxyethyl cellulose, a waterproof agent, a defoaming agent, a bactericide, an antifreezing agent, a film-forming auxiliary agent, titanium dioxide, mica powder and a stabilizer; the component B comprises deionized water and protective glue; the component C comprises deionized water, matte powder, aqueous aliphatic polyurethane dispersoid, water-soluble acrylic resin, aqueous crack agent, adhesion promoter and polyurethane thickener. The preparation method comprises the following steps: the raw materials of the component A, the component B and the component C are respectively and uniformly mixed; and mixing the component A toning base paint and the component B mixed glue solution, granulating, and uniformly mixing with the component C emulsion. The water-in-water colorful crack paint disclosed by the invention is good in weather resistance, has a good waterproof function and a self-cleaning function, is moderately soft, and effectively prevents a paint film from cracking caused by cracking of a base layer of a newly-built building.
Description
Technical Field
The invention relates to the technical field of coatings, and discloses a preparation method of a water-in-water colorful crack paint.
Background
The multicolor paint is one of the multicolor paints, is mostly applied to the effect of imitating stone materials, and is also called liquid stone. The single-component coating for the outer wall of a building is prepared by suspending two or more than two kinds of water-based color particles in a water-based interlayer and spraying the water-based color particles once to generate multiple colors, and the single-component coating is prepared by adopting acrylic acid silicone resin emulsion and fluorocarbon resin emulsion as base materials, combining high-quality inorganic pigment and high-performance auxiliary agent, breaking through the chemical theory of the coating and processing the base materials through a special process.
At present, common multicolor paint coatings on the market are divided into two types, one is a water-in-water multicolor coating, the other is a sand-in-water multicolor coating, and the application of the water-in-water paint is the most common. However, the conventional water-in-water paint is poor in weather resistance and easy to crack in actual use, and thus cannot protect the surface of a coated building and also affects the decorative effect of the coated surface. In addition, the water-in-water paint in the prior art has poor decorative effect and single expression form, and can not meet diversified requirements of customers on external wall coating.
Disclosure of Invention
The invention aims to overcome the defects and provide a preparation method of the water-in-water colorful crack paint.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
a preparation method of a water-in-water colorful crack paint comprises a component A, a component B and a component C;
the component A comprises the following raw materials in percentage by mass: 45-53% of deionized water, 20-30% of water-soluble acrylic resin, 0.2% of ammonia water, 0.5-1% of carboxyethyl cellulose, 0.2-0.3% of waterproof agent, 0.2-0.3% of defoaming agent, 0.2% of bactericide, 1-1.3% of antifreezing agent, 0.8-1.2% of film-forming assistant, 4.5-5% of titanium dioxide, 13-18% of mica powder and 0.8-1.3% of stabilizer;
the component B comprises the following raw materials in percentage by mass: : 95-97% of deionized water and 3-5% of protective adhesive;
the component C comprises the following raw materials in percentage by mass: 36-40% of deionized water, 4-8% of matte powder, 15-20% of aqueous aliphatic polyurethane dispersoid, 22-28% of water-soluble acrylic resin, 12-15% of aqueous crack agent, 0.4-0.6% of adhesion promoter, 0.4-0.7% of polyurethane thickener and 0.2% of ammonia water;
the preparation method comprises the following steps:
s1, uniformly mixing the raw materials of the component A to obtain a component A base paint; dividing the component A base paint into a plurality of parts, and then respectively toning to obtain the component A toning base paint; the toning process is that pigment is added into the component A base paint, the adding amount of the pigment and the type of the pigment are well known to those skilled in the art, and the addition amount can be determined by the requirements of customers and the produced products, and the method is not limited herein;
s2, uniformly mixing the raw materials of the component B to obtain a component B protective glue solution;
s3, uniformly mixing the raw materials of the component C to obtain a component C emulsion phase;
s4, mixing the plurality of component A toning base paints obtained in the step S1 with the component B mixed glue solution according to the ratio of 5:3, mixing and granulating to obtain granular color points with different colors and different particle sizes; the size of the color point of the granules is determined according to the rotating speed of the granulation process, and the size can be determined by a person skilled in the art according to the requirements of customers and the produced products, and is not limited herein;
s5, uniformly mixing the particle color points obtained in the step S4 with the component C emulsion to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors; the mass ratio of the particle color point to the component C emulsion is 2-5: 1.
Preferably, the water repellent is a nanoemulsion super water repellent. In particular to a nanoemulsion super waterproofing agent FS-190 with the solid content of 40 percent of Nanxiong Ding-based new material science and technology company Limited.
Preferably, the water-soluble type acrylic resin, specifically, korean water-based solid acrylic resin, which is sold under the model number Soluryl-20, has a solid content of 98%.
The concentration of the ammonia water is 20%.
The carboxyethyl cellulose is a Dow QP-100MH, the ionic type of which is non-ionic.
The defoaming agent is at least one of a mineral oil defoaming agent and an organic silicon defoaming agent. Such as noploc SN1360 or basf a 10.
The bactericide is a broad-spectrum low-toxicity bactericide. Such as DL-T201 of denuder blue chemical limited.
The antifreezing agent is methyl glycol antifreezing agent.
The film-forming additive is an alcohol ester dodecafilm-forming additive. The chemical name is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.
The titanium dioxide is rutile titanium dioxide. In particular to CHR-500 rutile titanium dioxide in the chemical industry of corridor Lepeng.
The mica powder is 3000-mesh mica powder CJ-A4 of Wanqiao mica powder factory in Chuzhou city.
The stabilizer is a water-in-water multicolor stabilizer EML7383 of Shanghai Processinges chemical Co., Ltd, and the ionic type of the stabilizer is nonionic. The content of effective substances is 65 percent.
The protective adhesive is a colorful coating protective adhesive JS produced by Shanghai-capable functional material Limited.
Preferably, the matte powder is Yingchuang Delousel matting powder OK520, and the average particle size of the matte powder is 6.5 um.
The aqueous aliphatic polyurethane dispersion is an ESACOTE PU39 aliphatic aqueous polyurethane dispersion. In particular to an ESACOTE PU39 aliphatic waterborne polyurethane dispersoid of green-sourced cypress spike chemical technology (Beijing) Limited company, the solid content of which is 35 percent +/-1.
The waterborne cracking agent is a BNK-QSF680 cracking agent supplied by Shenzhen Changhui new material science and technology Limited, and the active matter content of the waterborne cracking agent is 100%.
The adhesion promoter is UN-178 adhesion promoter of Shanghai Yong En chemical Co., Ltd, and the density of the adhesion promoter is 0.98 g/ml.
The polyurethane thickener is a TRM103S nonionic association type polyurethane thickener of Dalian Jinding Xiang chemical Co.
Preferably, the specific process of step S1 is as follows: adding deionized water into a dispersion tank, and slowly adding the water-soluble acrylic resin into the deionized water at the rotating speed of 300-500 rpm; stirring at high speed at the rotation speed of 1000-1200rpm, adding ammonia water, and dispersing at high speed at the rotation speed of 1200-1500rpm to obtain transparent light yellow resin aqueous solution; and then adding the carboxyethyl cellulose at the rotation speed of 800 plus materials at 1000rpm, stirring, sequentially adding the waterproof agent, the defoaming agent, the bactericide, the antifreezing agent, the film-forming auxiliary agent, the titanium dioxide, the mica powder and the stabilizer, and dispersing at a high speed at the rotation speed of 1200 plus materials at 1500rpm to obtain the component A base paint.
Preferably, the specific process of step S2 is as follows: adding deionized water into a dispersion tank, adding the protective glue at the rotating speed of 300-500rpm, gradually increasing the rotating speed to 1200rpm, and dispersing at a high speed until the protective glue is completely dissolved to obtain the B component protective glue solution.
Preferably, the specific process of step S3 is as follows: sequentially adding deionized water and matte powder into a dispersion tank, sequentially stirring at a high speed of 1000-plus-one 1200rpm, then sequentially adding the aqueous aliphatic polyurethane dispersion and the water-soluble acrylic resin, stirring at a high speed of 1000-plus-one 1200rpm, then adding ammonia water, dispersing at a high speed of 1200-plus-one 1500rpm, sequentially adding the aqueous crack agent, the adhesion promoter and the polyurethane thickener at a speed of 800-plus-one 1000rpm, and adjusting the viscosity to 65-80KU to obtain the C component emulsion phase.
Preferably, the specific process of step S5 is as follows: and (5) uniformly shearing and mixing the particle color obtained in the step (S4) and the component C emulsion, and adjusting the viscosity to 70-85KU to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors.
The invention has the following function principle:
the mica powder is added into the raw materials of the paint, so that more than eighty percent of ultraviolet rays can be shielded, and the weather resistance of the water-in-water colorful crackle paint is greatly improved. The effect of inorganic minerals on the coating film in the coating is related to the physical shape of the minerals and generally decreases in the following order: flaky, fibrous, columnar and granular; the mica powder has a crystal lamellar structure with a high aspect ratio, is in a crystal lamellar structure no matter how superfine the mica powder is, has active hydroxyl groups, and is easy to combine and twine with molecular chains in the water-based resin (the water-soluble acrylic resin in the invention). The coating films are arranged in parallel and overlapped up and down, and a compact layered structure is formed inside the coating films, so that the strength, the water resistance and the washing resistance of the coating films are greatly improved.
Due to the addition of the nano emulsion type super waterproof agent, after the water-in-water colorful crackle paint is fully cured at normal temperature, in the later stage of rainy weather, the contact angle between water drops and the surface of the paint film is more than 150 degrees, the water drops roll on the surface of the paint film just like on lotus leaves, and the water-in-water colorful crackle paint has a very good waterproof function and a self-cleaning function.
ESACOTE PU39 is an aqueous aliphatic polyurethane dispersion based on polyester with excellent adhesion, scratch resistance, physicochemical and mechanical properties. The paint film of the water-in-water colorful crack paint prepared by the invention is moderately soft, the flexibility of the paint film is 100mm, the paint film is bent and has no crack, and the crack of the paint film caused by the cracking of a base layer of a newly-built building is effectively prevented.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple process and convenient manufacture; the prepared water-in-water colorful crack paint has good weather resistance, good waterproof function and self-cleaning function, and moderate and soft paint film, and effectively prevents the paint film from cracking caused by the cracking of the base layer of a newly-built building. The water-in-water colorful crack paint disclosed by the invention can be used for color matching according to actual use requirements, can form colorful cracks in the building coating process, plays a role in protecting and decorating the surface of an object, improves the added value of a product, and can provide more diversified external wall coating effects.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
The raw materials used in the following examples are as follows:
the water-proofing agent is a nano emulsion super water-proofing agent FS-190 with the solid content of 40% of Nanxiongding New Material science and technology Limited company.
The water-soluble acrylic resin is Korean Korea water-based solid acrylic resin, and its type is Solury-20, and solid content is 98%.
The ammonia water is produced by Yongshun chemical industry Co., Ltd, New countryside city, and the content of NH3 is not less than 0.2%.
The carboxyethyl cellulose is U.S. pottery QP-100MH, the ionic type of which is non-ionic.
The antifoaming agent is noploc SN1360 or basf A10.
The bactericide is DL-T201 of Jinan Delania chemical company Limited.
The antifreezing agent is methyl glycol antifreezing agent.
The film-forming additive is an alcohol ester dodecafilm-forming additive. The chemical name is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.
The titanium dioxide is CHR-500 rutile titanium dioxide in the chemical industry of corridor Lepeng.
The mica powder is 3000-mesh mica powder CJ-A4 of Wanqiao mica powder factory in Chuzhou city.
The stabilizer is a water-in-water multicolor stabilizer EML7383 from Shanghai Productus Chemicals, Inc., and the ionic type of the stabilizer is nonionic. The content of effective substances is 65 percent.
The protective adhesive is a colorful coating protective adhesive JS produced by Shanghai-capable functional material Limited company.
The matte powder is Yingchuang Texouse matting powder OK520, and the average particle size of the matte powder is 6.5 um.
The aqueous aliphatic polyurethane dispersion is green-source ESACOTE PU39 aliphatic aqueous polyurethane dispersion of Baisui chemical technology (Beijing) Co., Ltd, and the solid content is 35% +/-1.
The waterborne cracking agent is a BNK-QSF680 cracking agent supplied by Shenzhen Changhui new material science and technology Limited, and the active matter content of the waterborne cracking agent is 100 percent.
The adhesion promoter is UN-178 adhesion promoter of Shanghai Yong En chemical Co., Ltd, and has a density of 0.98 g/ml.
The polyurethane thickener is a TRM103S nonionic associated polyurethane thickener of Dalian Jinding Xiang chemical Co.
Example 1
A preparation method of a water-in-water colorful crack paint comprises a component A, a component B and a component C;
the component A comprises the following raw materials in percentage by mass: 45% of deionized water, 30% of water-soluble acrylic resin, 0.2% of ammonia water, 0.5% of carboxyethyl cellulose, 0.3% of nano emulsion super waterproof agent, 0.3% of defoaming agent, 0.2% of bactericide, 1.3% of antifreezing agent, 1.2% of film-forming assistant, 5% of titanium dioxide, 15% of mica powder and 1.0% of stabilizer;
the component B comprises the following raw materials in percentage by mass: 95% of deionized water and 5% of protective adhesive;
the component C comprises the following raw materials in percentage by mass: 36% of deionized water, 5% of matte powder, 15% of aqueous aliphatic polyurethane dispersoid, 28% of water-soluble acrylic resin, 15% of aqueous crack agent, 0.4% of adhesion promoter, 0.4% of polyurethane thickener and 0.2% of ammonia water, and the raw materials are mixed to prepare the C component emulsion phase.
The preparation method comprises the following steps:
s1, firstly, adding deionized water into a dispersion tank, and slowly adding the water-soluble acrylic resin into the deionized water at the rotating speed of 400 rpm; stirring at 1100rpm for 15min, slowly adding ammonia water, and dispersing at 1350rpm for 30min to obtain transparent yellowish resin aqueous solution; slowly adding the carboxyethyl cellulose at the rotating speed of 900rpm, stirring for 2min, sequentially adding the organic silicon waterproof agent, the defoaming agent, the bactericide, the antifreezing agent, the film-forming additive, the titanium dioxide, the mica powder and the stabilizer, dispersing at the rotating speed of 1350rpm for 30min, and obtaining qualified base paint with the component A when the scraping fineness is less than or equal to 55 um; dividing the component A base paint into a plurality of parts according to requirements, and then respectively carrying out color matching to obtain the component A color-matching base paint;
s2, firstly, adding deionized water into a dispersion tank, slowly adding the protective glue JS at the rotation speed of 400rpm, gradually increasing the rotation speed to 1200rpm, and dispersing at high speed for 60min until the protective glue JS is completely dissolved to obtain a component B protective glue solution;
s3, sequentially adding deionized water and matte powder into a dispersion tank, sequentially adding the aqueous aliphatic polyurethane dispersion and the water-soluble acrylic resin after stirring at a high speed of 1100rpm for 15min, slowly adding ammonia water after stirring at a high speed of 1100rpm for 15min, and performing high-speed dispersion at a speed of 1350rpm for 30 min; sequentially adding a water-based crack agent, an adhesion promoter and a polyurethane thickener at the rotating speed of 900rpm, and adjusting the viscosity to 72KU to obtain a C-component emulsion phase;
s4, mixing the plurality of component A toning base paints obtained in the step S1 with the component B mixed glue solution according to the ratio of 5:3, mixing and granulating to obtain granular color points with different colors and different particle sizes;
s5, uniformly shearing and mixing the particle color point obtained in the step S4 and the emulsion of the component C, and adjusting the viscosity to 77KU to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors; the mass ratio of the particle color point to the component C emulsion is 3.5: 1.
Example 2
A preparation method of a water-in-water colorful crack paint comprises a component A, a component B and a component C;
the component A comprises the following raw materials in percentage by mass: 50% of deionized water, 25% of water-soluble acrylic resin, 0.2% of ammonia water, 0.6% of carboxyethyl cellulose, 0.2% of nano emulsion super waterproof agent, 0.3% of defoaming agent, 0.2% of bactericide, 1.0% of anti-freezing agent, 1.2% of film-forming assistant, 5% of titanium dioxide, 15% of mica powder and 1.3% of stabilizer; the materials are uniformly mixed to prepare the component A water-in-water colorful crackle paint base paint;
the component B comprises the following raw materials in percentage by mass: 95% of deionized water and 5% of protective adhesive, and mixing the two to prepare a component B protective adhesive mixed solution;
the component C comprises the following raw materials in percentage by mass: 40% of deionized water, 4% of matte powder, 15% of aqueous aliphatic polyurethane dispersoid, 25% of water-soluble acrylic resin, 15% of aqueous crack agent, 0.4% of adhesion promoter, 0.4% of polyurethane thickener and 0.2% of ammonia water, and the raw materials are mixed to prepare the C component emulsion phase.
The preparation method comprises the following steps:
s1, firstly, adding deionized water into a dispersion tank, and slowly adding the water-soluble acrylic resin into the deionized water at the rotating speed of 300 rpm; stirring at 1000rpm for 15min, slowly adding ammonia water, and dispersing at 1200rpm for 30min to obtain transparent yellowish resin aqueous solution; slowly adding the carboxyethyl cellulose at the rotating speed of 800rpm, stirring for 2min, sequentially adding the organic silicon waterproof agent, the defoaming agent, the bactericide, the antifreezing agent, the film-forming additive, the titanium dioxide, the mica powder and the stabilizer, dispersing at the rotating speed of 1200rpm for 30min, and obtaining qualified base paint with the scraping fineness of less than or equal to 55 um; dividing the component A base paint into a plurality of parts according to requirements, and then respectively carrying out color matching to obtain the component A color-matching base paint;
s2, firstly, adding deionized water into a dispersion tank, slowly adding the protective glue JS at the rotating speed of 300rpm, gradually increasing the rotating speed to 1200rpm, and dispersing at high speed for 60min until the protective glue JS is completely dissolved to obtain a component B protective glue solution;
s3, sequentially adding deionized water and matte powder into a dispersion tank, sequentially adding the aqueous aliphatic polyurethane dispersion and the water-soluble acrylic resin after stirring at a high speed of 1000rpm for 15min, slowly adding ammonia water after stirring at a high speed of 1000rpm for 15min, and performing high-speed dispersion at a high speed of 1200rpm for 30 min; sequentially adding a water-based crack agent, an adhesion promoter and a polyurethane thickener at the rotating speed of 800rpm, and adjusting the viscosity to 65KU to obtain a C-component emulsion phase;
s4, mixing the plurality of component A toning base paints obtained in the step S1 with the component B mixed glue solution according to the ratio of 5:3, mixing and granulating to obtain granular color points with different colors and different particle sizes;
s5, uniformly shearing and mixing the particle color point obtained in the step S4 and the C component emulsion, and adjusting the viscosity to 70KU to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors; the mass ratio of the particle color point to the component C emulsion is 2: 1.
Example 3
A preparation method of a water-in-water colorful crack paint comprises a component A, a component B and a component C;
the component A comprises the following raw materials in percentage by mass: 49% of deionized water, 28% of water-soluble acrylic resin, 0.2% of ammonia water, 0.8% of carboxyethyl cellulose, 0.3% of nano emulsion super waterproof agent, 0.2% of defoaming agent, 0.2% of bactericide, 1.3% of anti-freezing agent, 1.0% of film-forming assistant, 5% of titanium dioxide, 13% of mica powder and 1.0% of stabilizer; the materials are uniformly mixed to prepare the component A water-in-water colorful crackle paint base paint;
the component B comprises the following raw materials in percentage by mass: 97% of deionized water and 3% of protective adhesive, and the two are mixed to prepare a B component protective adhesive mixed solution;
the component C comprises the following raw materials in percentage by mass: 40% of deionized water, 5% of matte powder, 20% of aqueous aliphatic polyurethane dispersoid, 22% of water-soluble acrylic resin, 12% of aqueous crack agent, 0.4% of adhesion promoter, 0.4% of polyurethane thickener and 0.2% of ammonia water, and the raw materials are mixed to prepare the C component emulsion phase.
The preparation method comprises the following steps:
s1, firstly, adding deionized water into a dispersion tank, and slowly adding the water-soluble acrylic resin into the deionized water at the rotating speed of 500 rpm; stirring at 200rpm for 15min, slowly adding ammonia water, and dispersing at 1500rpm for 30min to obtain transparent yellowish resin aqueous solution; slowly adding the carboxyethyl cellulose at the rotating speed of 1000rpm, stirring for 2min, sequentially adding the organic silicon waterproof agent, the defoaming agent, the bactericide, the antifreezing agent, the film-forming additive, the titanium dioxide, the mica powder and the stabilizer, dispersing at the rotating speed of 1500rpm for 30min, and obtaining qualified base paint with the scraping fineness being less than or equal to 55 um; dividing the component A base paint into a plurality of parts according to requirements, and then respectively carrying out color matching to obtain the component A color-matching base paint;
s2, firstly, adding deionized water into a dispersion tank, slowly adding the protective glue JS at the rotating speed of 500rpm, gradually increasing the rotating speed to 1200rpm, and dispersing at high speed for 60min until the protective glue JS is completely dissolved to obtain a component B protective glue solution;
s3, sequentially adding deionized water and matte powder into a dispersion tank, sequentially adding the aqueous aliphatic polyurethane dispersion and the water-soluble acrylic resin after stirring at a high speed of 1200rpm for 15min, slowly adding ammonia water after stirring at a high speed of 1200rpm for 15min, and performing high-speed dispersion at a speed of 1200-1500rpm for 30 min; sequentially adding a water-based crack agent, an adhesion promoter and a polyurethane thickener at the rotating speed of 1000rpm, and adjusting the viscosity to 80KU to obtain a C-component emulsion phase;
s4, mixing the plurality of component A toning base paints obtained in the step S1 with the component B mixed glue solution according to the ratio of 5:3, mixing and granulating to obtain granular color points with different colors and different particle sizes;
s5, uniformly shearing and mixing the particle color point obtained in the step S4 and the C component emulsion, and adjusting the viscosity to 85KU to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors; the mass ratio of the particle color point to the component C emulsion is 5: 1.
Example 4
A preparation method of a water-in-water colorful crack paint comprises a component A, a component B and a component C;
the component A comprises the following raw materials in percentage by mass: 53% of deionized water, 20% of water-soluble acrylic resin, 0.2% of ammonia water, 1.0% of carboxyethyl cellulose, 0.2% of nano emulsion super waterproof agent, 0.3% of defoaming agent, 0.2% of bactericide, 1.0% of anti-freezing agent, 0.8% of film-forming assistant, 4.5% of titanium dioxide, 18% of mica powder and 0.8% of stabilizer; the materials are uniformly mixed to prepare the component A water-in-water colorful crackle paint base paint;
the component B comprises the following raw materials in percentage by mass: 96% of deionized water and 4% of protective adhesive, and mixing the two to obtain a B component protective adhesive mixed solution;
the component C comprises the following raw materials in percentage by mass: 38.5% of deionized water, 8% of matte powder, 15% of aqueous aliphatic polyurethane dispersoid, 25% of water-soluble acrylic resin, 12% of aqueous crack agent, 0.6% of adhesion promoter, 0.7% of polyurethane thickener and 0.2% of ammonia water, and the raw materials are mixed to prepare the C component emulsion phase.
The preparation method comprises the following steps:
s1, firstly, adding deionized water into a dispersion tank, and slowly adding the water-soluble acrylic resin into the deionized water at the rotating speed of 350 rpm; stirring at 1150rpm for 15min, slowly adding ammonia water, and dispersing at 1250rpm for 30min to obtain transparent yellowish resin aqueous solution; slowly adding the carboxyethyl cellulose at the rotating speed of 950rpm, stirring for 2min, sequentially adding the organic silicon waterproof agent, the defoaming agent, the bactericide, the antifreezing agent, the film-forming additive, the titanium dioxide, the mica powder and the stabilizer, dispersing at the rotating speed of 1400rpm for 30min, and obtaining qualified base paint with the component A when the scraping fineness is less than or equal to 55 um; dividing the component A base paint into a plurality of parts according to requirements, and then respectively carrying out color matching to obtain the component A color-matching base paint;
s2, firstly, adding deionized water into a dispersion tank, slowly adding the protective glue JS at the rotation speed of 400rpm, gradually increasing the rotation speed to 1200rpm, and dispersing at high speed for 60min until the protective glue JS is completely dissolved to obtain a component B protective glue solution;
s3, sequentially adding deionized water and matte powder into a dispersion tank, sequentially adding the aqueous aliphatic polyurethane dispersion and the water-soluble acrylic resin after stirring at a high speed of 1050rpm for 15min, slowly adding ammonia water after stirring at a high speed of 1150rpm for 15min, and performing high-speed dispersion at a high speed of 1400rpm for 30 min; sequentially adding a water-based crack agent, an adhesion promoter and a polyurethane thickener at the rotating speed of 850rpm, and adjusting the viscosity to 70KU to obtain a C-component emulsion phase;
s4, mixing the plurality of component A toning base paints obtained in the step S1 with the component B mixed glue solution according to the ratio of 5:3, mixing and granulating to obtain granular color points with different colors and different particle sizes;
s5, uniformly shearing and mixing the particle color point obtained in the step S4 and the C component emulsion, and adjusting the viscosity to 75KU to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors; the mass ratio of the particle color point to the component C emulsion is 4: 1.
Comparative example
A water-in-water colorful crack paint comprises the following components:
the component A comprises the following raw materials in percentage by mass: 42% of deionized water, 7% of carboxymethyl cellulose, 0.5% of defoaming agent, 0.4% of bactericide, 0.1% of pH regulator, 1% of antifreezing agent, 1% of film-forming assistant, 5% of titanium dioxide, 20% of kaolin, 15% of high-elastic pure acrylic emulsion, 5% of silicone acrylic emulsion and 3% of protective adhesive;
the component B comprises the following raw materials in percentage by mass: 96% of deionized water and 4% of protective glue, and mixing the two to obtain a B component protective glue solution;
the component C comprises the following raw materials in percentage by mass: 20% of deionized water, 67% of silicone-acrylate emulsion, 12% of film-forming additive and 1% of polyurethane thickener.
The carboxymethyl cellulose is carboxymethyl cellulose with density of 0.3g/cm3 of Toonary aventurine chemical Limited company. The antifoaming agent is noploc SN1360 or basf A10. DL-T201 of Fungicide, Jinan De Lang chemical Co., Ltd. The pH stabilizer is 2-amino-2-methyl-1-propanol, such as AMP-95. The antifreezing agent is methyl glycol antifreezing agent. The film-forming additive is alcohol ester twelve film-forming additive with the chemical name of 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate. The titanium dioxide is CHR-500 rutile titanium dioxide in the chemical industry of corridor Lepeng. The kaolin is JYCK-95 of the chemical company of Jinyu calcined kaolin. The polyurethane thickener is a TRM103S nonionic associated polyurethane thickener of Dalian Jinding Xiang chemical Co. The protective adhesive is a colorful coating protective adhesive JS produced by Shanghai-capable functional material Limited company.
The high-elastic pure acrylic emulsion of the component A is RS-9689AS high-elastic pure acrylic emulsion of Barde Fukuyu Co.
The silicone-acrylate emulsion of the component C is Badfu RS-996AD soap-free polymerized silicone-acrylate emulsion.
The preparation method comprises the following steps:
component A: firstly, adding deionized water into a dispersion tank, slowly adding carboxymethyl cellulose at the rotating speed of 400rpm, stirring for 2min, then sequentially adding a defoaming agent, a bactericide, a pH regulator, an antifreezing agent, a film-forming auxiliary agent, titanium dioxide and kaolin, dispersing at the rotating speed of 1100rpm for 20min at a high speed, and then sequentially adding a water-based resin and a protective adhesive to obtain the component A water-in-water multicolor paint base paint; then dividing the base paint into a plurality of parts according to the color matching requirement for color matching respectively;
component B: firstly, adding deionized water into a dispersion tank, slowly adding the protective glue JS at the rotating speed of 400rpm, gradually increasing the rotating speed to 1200rpm, and dispersing at high speed for 60min until the protective glue solution of the component B is completely dissolved to obtain the protective glue solution of the component B.
Component C: deionized water, silicone-acrylic emulsion, film forming additive and polyurethane thickener are added into the dispersing tank in sequence, and the viscosity is adjusted to 77KU to obtain the C component emulsion phase.
Granulating: mixing the component A and the component B after color mixing in the step according to the proportion of 5:3, and granulating to prepare granular color dots with various colors and various particle sizes;
fifthly, the materials prepared in the third step and the fourth step are sheared and mixed evenly, and the viscosity is adjusted to 70KU to 85KU, so that the water-in-water colorful crackle paint with evenly distributed particles with different colors is formed.
The water-in-water multicolor crack paints obtained in example 1, example 2, example 3, example 4, and comparative example were examined.
As shown in Table 1, the main quality specifications of the water-in-water colorful crack lacquer obtained in example 1 are:
TABLE 1 Main quality technical index of water-in-water colorful crackle paint obtained in example 1
As shown in table 2, the main quality specifications of the water-in-water colorful crack lacquer obtained in example 2 are:
TABLE 2 Main quality technical indexes of the water-in-water colorful crack paint obtained in example 2
As shown in Table 3, the main quality specifications of the water-in-water colorful crack lacquer obtained in example 3 are:
TABLE 3 Main quality specifications of the water-in-water colorful crackle paint obtained in example 3
As shown in Table 4, the main quality specifications of the water-in-water colorful crack lacquer obtained in example 4 are:
TABLE 4 Main quality technical indexes of the water-in-water colorful crack paint obtained in example 4
As shown in table 5, the main quality specifications of the water-in-water colorful crack paint obtained in the comparative example are:
TABLE 5 Main quality technical index of water-in-water colorful crackle paint obtained by comparative example
As can be seen from the comparison of the above 5 tables, the weathering resistance, crack covering ability, paint film flexibility and water resistance of the water-in-water multicolor crack paints obtained in examples 1 to 4 of the present invention are superior to those of the comparative example. Therefore, the water-in-water colorful crackle paint prepared by the method has good weather resistance, good waterproof function and moderate and soft paint film, and effectively prevents the paint film from generating cracks
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (8)
1. A preparation method of water-in-water colorful crack paint is characterized by comprising the following steps:
the water-in-water colorful crack paint comprises a component A, a component B and a component C;
the component A comprises the following raw materials in percentage by mass: 45-53% of deionized water, 20-30% of water-soluble acrylic resin, 0.2% of ammonia water, 0.5-1% of carboxyethyl cellulose, 0.2-0.3% of waterproof agent, 0.2-0.3% of defoaming agent, 0.2% of bactericide, 1-1.3% of antifreezing agent, 0.8-1.2% of film-forming assistant, 4.5-5% of titanium dioxide, 13-18% of mica powder and 0.8-1.3% of stabilizer;
the component B comprises the following raw materials in percentage by mass: 95-97% of deionized water and 3-5% of protective adhesive;
the component C comprises the following raw materials in percentage by mass: 36-40% of deionized water, 4-8% of matte powder, 15-20% of aqueous aliphatic polyurethane dispersoid, 22-28% of water-soluble acrylic resin, 12-15% of aqueous crack agent, 0.4-0.6% of adhesion promoter, 0.4-0.7% of polyurethane thickener and 0.2% of ammonia water;
the preparation method comprises the following steps:
s1, uniformly mixing the raw materials of the component A to obtain a component A base paint; dividing the component A base paint into a plurality of parts, and then respectively toning to obtain the component A toning base paint;
s2, uniformly mixing the raw materials of the component B to obtain a component B protective glue solution;
s3, uniformly mixing the raw materials of the component C to obtain a component C emulsion phase;
s4, mixing the plurality of component A toning base paints obtained in the step S1 with the component B mixed glue solution according to the ratio of 5:3, mixing and granulating to obtain granular color points with different colors and different particle sizes;
s5, uniformly mixing the particle color points obtained in the step S4 with the component C emulsion to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors; the mass ratio of the particle color point to the component C emulsion is 2-5: 1.
2. The method for preparing the water-in-water colorful crack paint as claimed in claim 1, wherein the method comprises the following steps: the waterproof agent is a nano-emulsion super waterproof agent.
3. The method for preparing the water-in-water colorful crack paint as claimed in claim 2, wherein the method comprises the following steps:
the concentration of the ammonia water is 20%;
the defoaming agent is at least one of a mineral oil defoaming agent and an organic silicon defoaming agent;
the bactericide is a broad-spectrum low-toxicity bactericide;
the antifreezing agent is a methyl glycol antifreezing agent;
the film-forming additive is an alcohol ester dodecafilm-forming additive;
the titanium dioxide is rutile titanium dioxide.
4. The method for preparing the water-in-water colorful crack paint as claimed in claim 3, wherein the method comprises the following steps:
the aqueous aliphatic polyurethane dispersion is an ESACOTE PU39 aliphatic aqueous polyurethane dispersion.
5. The method for preparing the water-in-water colorful crack paint as claimed in claim 4, wherein the method comprises the following steps:
the specific process of step S1 is as follows: adding deionized water into a dispersion tank, and slowly adding the water-soluble acrylic resin into the deionized water at the rotating speed of 300-500 rpm; stirring at high speed at the rotation speed of 1000-1200rpm, adding ammonia water, and dispersing at high speed at the rotation speed of 1200-1500rpm to obtain transparent light yellow resin aqueous solution; and then adding the carboxyethyl cellulose at the rotation speed of 800 plus materials at 1000rpm, stirring, sequentially adding the waterproof agent, the defoaming agent, the bactericide, the antifreezing agent, the film-forming auxiliary agent, the titanium dioxide, the mica powder and the stabilizer, and dispersing at a high speed at the rotation speed of 1200 plus materials at 1500rpm to obtain the component A base paint.
6. The method for preparing the water-in-water colorful crack paint as claimed in claim 5, wherein the method comprises the following steps:
the specific process of step S2 is as follows: adding deionized water into a dispersion tank, adding the protective glue at the rotating speed of 300-500rpm, gradually increasing the rotating speed to 1200rpm, and dispersing at a high speed until the protective glue is completely dissolved to obtain the B component protective glue solution.
7. The method for preparing the water-in-water colorful crack paint as claimed in claim 6, wherein the method comprises the following steps:
the specific process of step S3 is as follows: sequentially adding deionized water and matte powder into a dispersion tank, sequentially stirring at a high speed of 1000-plus-one 1200rpm, then sequentially adding the aqueous aliphatic polyurethane dispersion and the water-soluble acrylic resin, stirring at a high speed of 1000-plus-one 1200rpm, then adding ammonia water, dispersing at a high speed of 1200-plus-one 1500rpm, sequentially adding the aqueous crack agent, the adhesion promoter and the polyurethane thickener at a speed of 800-plus-one 1000rpm, and adjusting the viscosity to 65-80KU to obtain the C component emulsion phase.
8. The method for preparing the water-in-water colorful crack lacquer as claimed in claim 7, wherein the method comprises the following steps:
the specific process of step S5 is as follows: and (5) uniformly shearing and mixing the particle color obtained in the step (S4) and the component C emulsion, and adjusting the viscosity to 70-85KU to obtain the water-in-water multicolor paint with uniformly distributed particles of different colors.
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| CN102051096A (en) * | 2009-11-05 | 2011-05-11 | 紫荆花制漆(上海)有限公司 | Environmentally-friendly high-performance water-based woodware paint and using method thereof |
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