CN112063289A - UV transparent primer for water-based glaze and preparation method thereof - Google Patents
UV transparent primer for water-based glaze and preparation method thereof Download PDFInfo
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- CN112063289A CN112063289A CN202010726492.8A CN202010726492A CN112063289A CN 112063289 A CN112063289 A CN 112063289A CN 202010726492 A CN202010726492 A CN 202010726492A CN 112063289 A CN112063289 A CN 112063289A
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- glaze
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Abstract
The application discloses a UV transparent primer for water-based glaze and a preparation method thereof, and relates to the technical field of coatings. The technical key points are as follows: the UV clear primer for water gliss includes urethane acrylate: 25-30 parts; changxing 6071 acrylate: 18-22 parts; auxiliary resin: 3-7 parts; phosphate ester: 0.5-2 parts; 1, 6-hexanediol diacrylate: 13-18 parts; defoaming agent: 0.02-0.1 part; dispersing agent: 0.2-0.5 part; fumed silica: 0.5-1 part; talc powder: 15-30 parts; photoinitiator (2): 3-6 parts; hydroxyethyl methacrylate: 3-6 parts. The UV transparent primer prepared by the method has the advantages of high adhesion with water-based glaze and good coating performance.
Description
Technical Field
The application relates to the technical field of coatings, in particular to a UV transparent primer for water glaze and a preparation method thereof.
Background
The primer is the first layer of the paint system and is used for improving the adhesive force of the finish paint, increasing the fullness of the finish paint, improving the weather resistance, providing an anti-corrosion function and the like, and simultaneously ensuring the uniform absorption of the finish paint so that the paint system can exert the best effect. The UV paint, namely ultraviolet curing paint, is also called photo-initiation paint, and the photo-curing paint is automatically coated on the surface of a furniture board by roller coating and spraying through mechanical equipment, promotes an initiator to decompose under the irradiation of ultraviolet light to generate free radicals, initiates resin reaction, and instantly cures into a film, so that the UV paint is the most environment-friendly paint at present.
The glaze antique paint is antique paint specially used for woodware, the adhesion performance between the existing glaze antique paint and the UV transparent primer is poor, particularly, the water glaze is used, so the glaze antique paint is usually frosted on the primer before coating, the frosted effect is directly related to the adhesion of the glaze antique paint, the problems of poor color adhesion, uneven color or color and pattern are easily caused by human errors, and the delamination is serious or caused.
Therefore, a new solution is needed to solve the above problems.
Disclosure of Invention
Aiming at the problem of poor water-based glaze adhesion on the UV primer, the invention aims to provide the UV transparent primer for the water-based glaze, which has the advantages of high adhesion with the water-based glaze and good coating performance.
The second purpose of the present application is to provide a preparation method of the UV transparent primer for water gores, which has the advantages of simple operation and suitability for large-scale production.
In order to achieve the first purpose, the application provides the following technical scheme:
the UV transparent primer for the water glaze comprises the following components in parts by weight:
urethane acrylate: 25-30 parts;
acrylate ester: 18-22 parts;
auxiliary resin: 3-7 parts;
phosphate ester: 0.5-2 parts;
1, 6-hexanediol diacrylate: 13-18 parts;
defoaming agent: 0.02-0.1 part;
dispersing agent: 0.2-0.5 part;
fumed silica: 0.5-1 part;
talc powder: 15-30 parts;
photoinitiator (2): 3-6 parts;
hydroxyethyl methacrylate: 3-6 parts.
By adopting the technical scheme, the double bond is firstly opened and then polymerized in the UV light curing reaction, so that the shrinkage rate of a coating film is generally larger in the curing process, the curing speed is high, the shrinkage strain of the coating is greatly lagged behind the photocrosslinking reaction process, and the shrinkage stress cannot be timely released, so that the adhesive force is reduced.
Further preferably, the UV transparent primer for the water glaze comprises the following components in parts by weight:
urethane acrylate: 30 parts of (1);
changxing 6071 acrylate: 20 parts of (1);
auxiliary resin: 5 parts of a mixture;
phosphate ester: 0.5 part;
1, 6-hexanediol diacrylate: 15 parts of (1);
defoaming agent: 0.05 part;
dispersing agent: 0.2 part;
fumed silica: 0.6 part;
talc powder: 21 parts of (1);
photoinitiator (2): 4 parts of a mixture;
hydroxyethyl methacrylate: 3.65 parts.
By adopting the technical scheme, the UV transparent primer prepared by the method has good application property and excellent paint film performance, and the primer paint prepared by adopting the using amounts of the components in the specific proportion has high dispersion stability, high paint film adhesion and good flexibility.
More preferably, the urethane acrylate is hydrophilic-lipophilic amphoteric urethane acrylate.
By adopting the technical scheme, the emulsion obtained by adopting the amphoteric urethane acrylate has better emulsification effect and higher crosslinking degree, can improve the compatibility among the raw material components, and can improve the adhesive force of a paint film by matching with the Changxing 6071 acrylate.
More preferably, the auxiliary resin is degussa EP 3350.
By adopting the technical scheme, the Texaco EP3350 resin can improve the flexibility of a paint film and has the effect of promoting the adhesive force between the paint film and the water-based glaze base material.
More preferably, the defoaming agent is a defoaming polymer solution, and BYK0450 defoaming agent is adopted.
By adopting the technical scheme, a large amount of bubbles are easily generated in the production and use processes of the coating, a large amount of stable bubbles are not beneficial to smooth production of the coating and the coating effect and performance during coating, and the defoaming agent is added to achieve a good defoaming effect, so that a paint film has good film-forming property.
More preferably, the dispersant is TEGO-755W dispersant.
By adopting the technical scheme, the TEGO-755W dispersant has the advantages of reducing the consistency, dispersing faster, stabilizing the pigment and having less influence on the water resistance.
More preferably, the particle size of the talc powder is 1250 mesh.
By adopting the technical scheme, the coating viscosity can be adjusted by using a certain amount of talcum powder, and the cost of products is reduced.
In order to achieve the second purpose, the application provides the following technical scheme:
a preparation method of a UV transparent primer for water glaze comprises the following steps:
s1, sequentially putting urethane acrylate, Changxing 6071 acrylate, accessory resin, phosphate and 1, 6-hexanediol diacrylate into a dispersion cylinder, and dispersing at a low speed of 600-1000rpm for 10-15 min;
s2, sequentially putting the defoaming agent, the dispersing agent, the fumed silica and the talcum powder into a dispersion cylinder, and dispersing at a high speed of 3000rpm for 25-35min at 2000-;
s3, the photoinitiator and the hydroxyethyl methacrylate are sequentially put into a dispersion cylinder and dispersed for 15-20min at 1000-2000 rpm. Thus obtaining the UV transparent primer for the water glaze.
In summary, compared with the prior art, the application has the following beneficial effects:
(1) according to the application, phosphate is added into the paint as an accelerator, so that the wettability of the primer after construction is improved, a covalent bond is formed between a coating film and a substrate interface, and interface bonding occurs, so that the bonding strength is greatly improved, namely the adhesive force of a paint film is improved;
(2) the emulsion obtained by adopting the amphoteric urethane acrylate has a good emulsifying effect and a high crosslinking degree, can improve the compatibility among various raw material components, and can improve the adhesive force of a paint film by matching with the Changxing 6071 acrylate.
Drawings
FIG. 1 is a flow chart of the process for preparing the UV transparent primer for water glaze in example 1 of the present application.
Detailed Description
The present application will be described in detail below with reference to the drawings and examples.
In the application, the polyurethane acrylate adopts hydrophilic and oleophilic amphoteric polyurethane acrylate; the acrylic ester adopts Changxing 6071 acrylic ester; the auxiliary resin adopts Degussa EP 3350; the defoaming agent is BYK0450 defoaming agent; the dispersant is TEGO-755W dispersant; the particle size of the talcum powder is 1250 meshes. In addition, the starting components in this application are all commonly commercially available.
The hydrophilic-lipophilic amphoteric urethane acrylate is prepared from IPDI (isophorone diisocyanate), PEG (polyethylene glycol), HEMA (hydroxyethyl methacrylate) and DHMPA (DHMPA) as raw materials, styrene as a solvent and DBTL (DBTL) as a catalyst by a conventional monomer synthesis method.
Example 1: the UV transparent primer for the water glaze comprises the following components in parts by weight as shown in Table 1 and shown in figure 1, and is prepared by the following steps:
s1, sequentially putting urethane acrylate, Changxing 6071 acrylate, accessory resin, phosphate and 1, 6-hexanediol diacrylate into a dispersion cylinder, and dispersing at a low speed of 600rpm for 15 min;
s2, sequentially putting the defoaming agent, the dispersing agent, the fumed silica and the talcum powder into a dispersion cylinder, and dispersing at a high speed of 2000rpm for 35 min;
s3, the photoinitiator and the hydroxyethyl methacrylate are sequentially put into a dispersion cylinder and dispersed at 1000rpm for 20 min. Thus obtaining the UV transparent primer for the water glaze.
Examples 2 to 6: a UV clear primer for water gliss, which differs from example 1 in that the components and their respective parts by weight are shown in table 1.
TABLE 1 Components and parts by weight of examples 1-6
Example 7: a UV clear primer for water gores, which is different from example 1 in that it is prepared by the following steps:
s1, sequentially putting urethane acrylate, Changxing 6071 acrylate, accessory resin, phosphate and 1, 6-hexanediol diacrylate into a dispersion cylinder, and dispersing at low speed of 1000rpm for 10 min;
s2, sequentially putting the defoaming agent, the dispersing agent, the fumed silica and the talcum powder into a dispersion cylinder, and dispersing at a high speed of 3000rpm for 25 min;
s3, the photoinitiator and the hydroxyethyl methacrylate were sequentially put into a dispersion tank and dispersed at 2000rpm for 15 min. Thus obtaining the UV transparent primer for the water glaze.
Comparative example 1: the difference from example 1 is that a general commercially available UV transparent primer was used as comparative example 1.
Comparative example 2: the difference from example 1 is that a general commercially available UV transparent primer was used as comparative example 2.
Comparative example 3: the difference from example 1 is that no phosphate ester was added to the starting components.
Performance testing
The clear primers obtained in examples 1-7 and comparative examples 1-3 were subjected to performance tests in accordance with GB/T1720-.
The test method comprises the following steps: adopting a UV roller coater for roller coating, wherein the coating weight is 15-30g/m2The drying energy is 100-2。
As can be seen from the test data in Table 2, the adhesion of the surface to water glaze of the primers prepared in examples 1-7 was rated 1, and the adhesion of the surface to water glaze of the commercially available primers of comparative examples 1-2 was only rated 3. The primer prepared by the method has the advantages of high adhesion with water-based glaze and good coating performance
Table 2 results of performance testing
The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above embodiments, and all technical solutions belonging to the idea of the present application belong to the protection scope of the present application. It should be noted that several improvements and modifications to the present application without departing from the principles of the present application will occur to those skilled in the art, and such improvements and modifications should also be considered within the scope of the present application.
Claims (8)
1. The UV transparent primer for the water glaze is characterized by comprising the following components in parts by weight:
urethane acrylate: 25-30 parts;
acrylate ester: 18-22 parts;
auxiliary resin: 3-7 parts;
phosphate ester: 0.5-2 parts;
1, 6-hexanediol diacrylate: 13-18 parts;
defoaming agent: 0.02-0.1 part;
dispersing agent: 0.2-0.5 part;
fumed silica: 0.5-1 part;
talc powder: 15-30 parts;
photoinitiator (2): 3-6 parts;
hydroxyethyl methacrylate: 3-6 parts.
2. The UV transparent primer for water Grice according to claim 1, characterized by comprising the following components in parts by weight:
urethane acrylate: 30 parts of (1);
changxing 6071 acrylate: 20 parts of (1);
auxiliary resin: 5 parts of a mixture;
phosphate ester: 0.5 part;
1, 6-hexanediol diacrylate: 15 parts of (1);
defoaming agent: 0.05 part;
dispersing agent: 0.2 part;
fumed silica: 0.6 part;
talc powder: 21 parts of (1);
photoinitiator (2): 4 parts of a mixture;
hydroxyethyl methacrylate: 3.65 parts.
3. The UV transparent primer for water Grice according to claim 2, characterized in that the polyurethane acrylate is hydrophilic-lipophilic amphoteric polyurethane acrylate.
4. The UV transparent primer for water Grice according to claim 2, characterized in that the auxiliary resin is Degussa EP 3350.
5. The UV transparent primer for water Grice according to claim 2, wherein the defoamer is a defoaming polymer solution, BYK0450 defoamer is used.
6. The UV transparent primer for water Grice according to claim 2, characterized in that the dispersant is TEGO-755W dispersant.
7. The UV transparent primer for watery glaze according to claim 2, wherein the talc has a particle size of 1250 mesh.
8. The method for preparing the UV transparent primer for water gores according to any one of claims 1 to 7, characterized by comprising the steps of:
s1, sequentially putting urethane acrylate, Changxing 6071 acrylate, accessory resin, phosphate and 1, 6-hexanediol diacrylate into a dispersion cylinder, and dispersing at a low speed of 600-1000rpm for 10-15 min;
s2, sequentially putting the defoaming agent, the dispersing agent, the fumed silica and the talcum powder into a dispersion cylinder, and dispersing at a high speed of 3000rpm for 25-35min at 2000-;
s3, sequentially putting the photoinitiator and the hydroxyethyl methacrylate into a dispersion cylinder, and dispersing for 15-20min at 1000-2000rpm to obtain the UV transparent primer for the waterborne glaze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010726492.8A CN112063289A (en) | 2020-07-25 | 2020-07-25 | UV transparent primer for water-based glaze and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010726492.8A CN112063289A (en) | 2020-07-25 | 2020-07-25 | UV transparent primer for water-based glaze and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112063289A true CN112063289A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010726492.8A Pending CN112063289A (en) | 2020-07-25 | 2020-07-25 | UV transparent primer for water-based glaze and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115960504A (en) * | 2022-11-30 | 2023-04-14 | 河南立邦长润发科技材料有限公司 | UV adhesive force primer used for triamine paper and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101224780B1 (en) * | 2009-12-30 | 2013-01-21 | 삼화페인트 공업주식회사 | Uvcurable primer composition for silver mirror coating |
| CN102952455A (en) * | 2012-11-21 | 2013-03-06 | 深圳市广田环保涂料有限公司 | Ultraviolet light curing transparent priming paint and preparation method and use method thereof |
| CN102952464A (en) * | 2011-08-30 | 2013-03-06 | 上海富臣化工有限公司 | UV (Ultraviolet) curing spraying melamine adhesion-enhanced transparent primer coating |
| CN103589307A (en) * | 2013-11-14 | 2014-02-19 | 惠州市长润发涂料有限公司 | High-filling UV (ultraviolet) transparent primer |
| CN106700855A (en) * | 2015-11-15 | 2017-05-24 | 惠州市长润发涂料有限公司 | Ultraviolet light solidification transparent adhesive force priming paint using in bathrooms |
-
2020
- 2020-07-25 CN CN202010726492.8A patent/CN112063289A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101224780B1 (en) * | 2009-12-30 | 2013-01-21 | 삼화페인트 공업주식회사 | Uvcurable primer composition for silver mirror coating |
| CN102952464A (en) * | 2011-08-30 | 2013-03-06 | 上海富臣化工有限公司 | UV (Ultraviolet) curing spraying melamine adhesion-enhanced transparent primer coating |
| CN102952455A (en) * | 2012-11-21 | 2013-03-06 | 深圳市广田环保涂料有限公司 | Ultraviolet light curing transparent priming paint and preparation method and use method thereof |
| CN103589307A (en) * | 2013-11-14 | 2014-02-19 | 惠州市长润发涂料有限公司 | High-filling UV (ultraviolet) transparent primer |
| CN106700855A (en) * | 2015-11-15 | 2017-05-24 | 惠州市长润发涂料有限公司 | Ultraviolet light solidification transparent adhesive force priming paint using in bathrooms |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115960504A (en) * | 2022-11-30 | 2023-04-14 | 河南立邦长润发科技材料有限公司 | UV adhesive force primer used for triamine paper and preparation method thereof |
| CN115960504B (en) * | 2022-11-30 | 2024-03-26 | 河南立邦长润发科技材料有限公司 | UV adhesive force primer for triamine paper and preparation method thereof |
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Application publication date: 20201211 |
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