CN111892859A - Anti-yellowing medium-density fiberboard low-temperature curing powder coating - Google Patents
Anti-yellowing medium-density fiberboard low-temperature curing powder coating Download PDFInfo
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- CN111892859A CN111892859A CN202010711572.6A CN202010711572A CN111892859A CN 111892859 A CN111892859 A CN 111892859A CN 202010711572 A CN202010711572 A CN 202010711572A CN 111892859 A CN111892859 A CN 111892859A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a yellowing-resistant medium-density fiberboard low-temperature curing powder coating which is prepared from the following raw materials in parts by weight: 156-210 parts of carboxyl-containing saturated polyester resin A, 250-400 parts of carboxyl-containing saturated polyester resin B, 104-140 parts of bisphenol A epoxy resin, 19-30 parts of triglycidyl isocyanurate, 100-200 parts of pigment, 60-171 parts of filler and 10 parts of auxiliary agent, wherein the difference between the acid values of the carboxyl-containing saturated polyester resin A and the carboxyl-containing saturated polyester resin B is not less than 16 mgkOH/g. The invention adopts the saturated polyester resin containing carboxyl with different acid values, improves the ultraviolet resistance of the finished powder coating and prolongs the service life of the coating.
Description
Technical Field
The invention relates to a low-temperature curing powder coating, in particular to a yellowing-resistant medium-density fiberboard low-temperature curing powder coating, belonging to the coating manufacturing industry.
Background
The powder coating is a novel 100% solid powder coating without solvent, and has the characteristics of no solvent, no pollution, recoverability, energy and resource saving, high mechanical strength of a coating film and the like. The MDF powder spraying technology is a particularly hot topic in the world recently, and along with the major breakthrough of the MDF technology and the process, the MDF powder spraying technology has the great advantages, so that the MDF powder spraying technology can occupy an important position in the domestic market in the coming years. However, conventional MDF powder is easily yellowed by sunlight irradiation, so that the appearance and physical properties of the product are seriously affected. Therefore, the yellowing of the MDF powder is solved, and the service life of the coating film can be effectively protected.
Disclosure of Invention
The invention provides a yellowing-resistant medium-density fiberboard low-temperature curing powder coating, which aims to prolong the service life of the powder coating.
The invention provides a yellowing-resistant medium-density fiberboard low-temperature curing powder coating which is prepared from the following raw materials in parts by weight: 156-210 parts of carboxyl-containing saturated polyester resin A, 250-400 parts of carboxyl-containing saturated polyester resin B, 104-140 parts of bisphenol A epoxy resin, 19-30 parts of triglycidyl isocyanurate, 100-200 parts of pigment, 60-171 parts of filler and 10 parts of auxiliary agent, wherein the difference between the acid values of the carboxyl-containing saturated polyester resin A and the carboxyl-containing saturated polyester resin B is not less than 16 mgkOH/g.
Further, the feed additive comprises the following raw materials in parts by weight: 156-180 parts of carboxyl-containing saturated polyester resin A, 370-400 parts of carboxyl-containing saturated polyester resin B, 104-120 parts of bisphenol A epoxy resin, 28-30 parts of triglycidyl isocyanurate, 100-200 parts of pigment, 60-132 parts of filler and 10 parts of auxiliary agent.
Further, the acid value of the carboxyl-containing saturated polyester resin A is 50 +/-5 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 52-60 ℃.
Further, the acid value of the saturated polyester resin B containing carboxyl is 32 +/-3 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 62-65 ℃.
Furthermore, the epoxy equivalent of the bisphenol A epoxy resin is 500-575g/eq, and the softening point is 82-92 ℃.
Furthermore, the epoxy equivalent of the triglycidyl isocyanurate is 100-110 g/mol, and the melting range is 95-125 ℃.
Further, the pigment is one or more of titanium dioxide, carbon black, iron oxide red and iron oxide yellow.
Further, the filler is one or more of precipitated barium sulfate, high-gloss barium, high-gloss calcium and quartz powder.
Further, the auxiliary agent is one or more of a brightener, a flatting agent, benzoin, wax powder and a graining agent.
Further, the preparation method of the powder coating comprises the following steps:
step 1: mixing and fully and uniformly stirring the carboxyl-containing saturated polyester resin, the bisphenol A epoxy resin, the triglycidyl isocyanurate, the pigment, the filler and the auxiliary agent;
step 2: melting and mixing the mixed materials, extruding at 90-110 ℃, and tabletting;
and step 3: and (3) after the sheet material is cooled, grinding the sheet material into powder by an ACM (Acetomine) grinder, and controlling the particle size to be 30-40 microns to finally obtain the yellowing-resistant medium-density fiberboard low-temperature curing powder coating.
Compared with the prior art, the invention adopts the saturated polyester resin containing carboxyl with different acid values, improves the ultraviolet resistance of the finished product of the powder coating and prolongs the service life of the coating.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The preparation method of the powder coating of the embodiment and the comparative example comprises the following steps:
step 1: mixing the raw material components and fully and uniformly stirring;
step 2: pouring the mixture obtained in the step 1 into an extruder for melting, mixing, extruding (the extrusion temperature is controlled between 90 and 110 ℃), and tabletting;
and step 3: cooling the sheet material, grinding into powder with average particle size controlled within 32-35 microns by ACM pulverizer, and coating with the powder.
Example 1
The yellowing-resistant medium-density fiberboard (MDF) low-temperature curing powder coating provided by the embodiment of the invention comprises the following components:
the adhesive comprises carboxyl-containing saturated polyester resin A156g, carboxyl-containing saturated polyester resin B250 g, bisphenol A epoxy resin 104g, triglycidyl isocyanurate 19g, iron oxide red 100g, high-gloss barium 60g and auxiliary agent 10g, wherein the auxiliary agent is a brightener, a leveling agent and benzoin, and the weight ratio of the brightener to the leveling agent is 1: 5: 0.1 weight ratio.
Wherein the acid value of the carboxyl-containing saturated polyester resin A is 50 +/-5 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 52-60 ℃; the acid value of the carboxyl-containing saturated polyester resin B is 32 +/-3 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 62-65 ℃; the epoxy equivalent of the bisphenol A epoxy resin is 500-575g/eq, and the softening point is 82-92 ℃; the triglycidyl isocyanurate has an epoxy equivalent of 100-110 g/mol and a melting range of 95-125 ℃.
Example 2
The yellowing-resistant medium-density fiberboard (MDF) low-temperature curing powder coating provided by the embodiment of the invention comprises the following components:
180g of carboxyl-containing saturated polyester resin A, 370g of carboxyl-containing saturated polyester resin B, 120g of bisphenol A epoxy resin, 30g of triglycidyl isocyanurate, 200g of carbon black, 132g of quartz powder and 10g of auxiliary agent, wherein the auxiliary agent is a brightener, a leveling agent and benzoin, and the mass ratio of the brightener to the resin is 1: 5: 0.1 weight ratio.
Wherein the acid value of the carboxyl-containing saturated polyester resin A is 50 +/-5 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 52-60 ℃; the acid value of the carboxyl-containing saturated polyester resin B is 32 +/-3 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 62-65 ℃; the epoxy equivalent of the bisphenol A epoxy resin is 500-575g/eq, and the softening point is 82-92 ℃; the triglycidyl isocyanurate has an epoxy equivalent of 100-110 g/mol and a melting range of 95-125 ℃.
Example 3
The yellowing-resistant medium-density fiberboard (MDF) low-temperature curing powder coating provided by the embodiment of the invention comprises the following components:
198g of carboxyl-containing saturated polyester resin A, 270g of carboxyl-containing saturated polyester resin B, 132g of bisphenol A epoxy resin, 20g of triglycidyl isocyanurate, 200g of titanium dioxide, 132g of precipitated barium sulfate and 10g of auxiliary agent, wherein the auxiliary agent is a brightener, a leveling agent and benzoin, and the weight ratio of the brightener to the leveling agent is 1: 5: 0.1 weight ratio.
Wherein the acid value of the carboxyl-containing saturated polyester resin A is 50 +/-5 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 52-60 ℃; the acid value of the carboxyl-containing saturated polyester resin B is 32 +/-3 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 62-65 ℃; the epoxy equivalent of the bisphenol A epoxy resin is 500-575g/eq, and the softening point is 82-92 ℃; the triglycidyl isocyanurate has an epoxy equivalent of 100-110 g/mol and a melting range of 95-125 ℃.
Comparative example 1
The comparative example of the present invention provides a powder coating comprising the following components:
468g of carboxyl-containing saturated polyester resin A, 132g of bisphenol A epoxy resin, 20g of triglycidyl isocyanurate, 200g of titanium dioxide, 132g of precipitated barium sulfate and 10g of auxiliary agents, wherein the auxiliary agents are a brightener, a leveling agent and benzoin, and the weight ratio of the auxiliary agents is 1: 5: 0.1 weight ratio.
Wherein the acid value of the carboxyl saturated polyester resin A is 50 +/-5 mgkOH/g, the softening point is 110 +/-10 ℃, and the glass transition temperature is 52-60 ℃; the epoxy equivalent of the bisphenol A epoxy resin is 500-575g/eq, and the softening point is 82-92 ℃; the triglycidyl isocyanurate has an epoxy equivalent of 100-110 g/mol and a melting range of 95-125 ℃.
Comparative example 2
The powder coating provided by the comparative example of the invention comprises the following components:
468g of hydroxyl-terminated polyester resin, 132g of bisphenol A epoxy resin, 20g of triglycidyl isocyanurate, 200g of titanium dioxide, 132g of precipitated barium sulfate and 10g of auxiliary agents, wherein the auxiliary agents are a brightener, a leveling agent and benzoin, and the weight ratio of the auxiliary agents is 1: 5: 0.1 weight ratio.
Wherein, the epoxy equivalent of the bisphenol A epoxy resin is 500-575g/eq, and the softening point is 82-92 ℃; the triglycidyl isocyanurate has an epoxy equivalent of 100-110 g/mol and a melting range of 95-125 ℃.
The performance test of example 3 of the invention is shown in the following table:
the performance tests of examples 1 to 3 of the present invention and comparative examples 1 to 2 are shown in the following table:
the detection method comprises the following steps: the detection index of the coating film performance can be evaluated by referring to HG/T2006-2006 and the standard of the fluorescent ultraviolet lamp accelerated aging test GB/T23987-2009& ASTM D2244-16 UV 340168 h.
From the above data analysis, it can be seen that the mixed structure of the carboxyl group-containing saturated polyester resin a and the carboxyl group-containing saturated polyester resin B in examples 1 to 3 of the present invention effectively improves the uv resistance of the powder coating and improves the service life of the coating. Meanwhile, the coatings of the embodiments 1 to 3 of the invention have the advantages of good yellowing resistance, good weather resistance, good adhesive force, good chemical resistance and good flexibility, and the coating film has excellent yellowing resistance when being constructed strictly according to the process.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the modifications and equivalents of the specific embodiments of the present invention can be made by those skilled in the art after reading the present specification, but these modifications and variations do not depart from the scope of the claims of the present application.
Claims (10)
1. The yellowing-resistant medium-density fiberboard low-temperature curing powder coating is characterized by comprising the following raw materials in parts by weight: 156-210 parts of carboxyl-containing saturated polyester resin A, 250-400 parts of carboxyl-containing saturated polyester resin B, 104-140 parts of bisphenol A epoxy resin, 19-30 parts of triglycidyl isocyanurate, 100-200 parts of pigment, 60-171 parts of filler and 10 parts of auxiliary agent, wherein the difference between the acid values of the carboxyl-containing saturated polyester resin A and the carboxyl-containing saturated polyester resin B is not less than 16 mgkOH/g.
2. The powder coating according to claim 1, characterized by consisting of the following raw materials in parts by weight: 156-180 parts of carboxyl-containing saturated polyester resin A, 370-400 parts of carboxyl-containing saturated polyester resin B, 104-120 parts of bisphenol A epoxy resin, 28-30 parts of triglycidyl isocyanurate, 100-200 parts of pigment, 60-132 parts of filler and 10 parts of auxiliary agent.
3. The powder coating according to claim 1, wherein the carboxyl group-containing saturated polyester resin A has an acid value of 50. + -. 5mgkOH/g, a softening point of 110. + -. 10 ℃ and a glass transition temperature of 52 to 60 ℃.
4. The powder coating according to claim 1, wherein the carboxyl group-containing saturated polyester resin B has an acid value of 32. + -. 3mgkOH/g, a softening point of 110. + -. 10 ℃ and a glass transition temperature of 62 to 65 ℃.
5. The powder coating as claimed in claim 1, wherein the bisphenol A epoxy resin has an epoxy equivalent of 500-575g/eq and a softening point of 82-92 ℃.
6. The powder coating according to claim 1, wherein the triglycidyl isocyanurate has an epoxy equivalent weight of 100 to 110g/mol and a melting range of 95 to 125 ℃.
7. The powder coating of claim 1, wherein the pigment is one or more of titanium dioxide, carbon black, iron oxide red, and iron oxide yellow.
8. The powder coating of claim 1, wherein the filler is one or more of precipitated barium sulfate, high-gloss barium, high-gloss calcium, and quartz powder.
9. The powder coating of claim 1, wherein the auxiliary agent is one or more of a brightener, a leveling agent, benzoin, wax powder, and a graining agent.
10. The powder coating according to claim 1, wherein the powder coating is prepared by the following method:
step 1: mixing and fully and uniformly stirring the carboxyl-containing saturated polyester resin, the bisphenol A epoxy resin, the triglycidyl isocyanurate, the pigment, the filler and the auxiliary agent;
step 2: melting and mixing the mixed materials, extruding at 90-110 ℃, and tabletting;
and step 3: and (3) after the sheet material is cooled, grinding the sheet material into powder by an ACM (Acetomine) grinder, and controlling the particle size to be 30-40 microns to finally obtain the yellowing-resistant medium-density fiberboard low-temperature curing powder coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711572.6A CN111892859A (en) | 2020-07-22 | 2020-07-22 | Anti-yellowing medium-density fiberboard low-temperature curing powder coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711572.6A CN111892859A (en) | 2020-07-22 | 2020-07-22 | Anti-yellowing medium-density fiberboard low-temperature curing powder coating |
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| CN111892859A true CN111892859A (en) | 2020-11-06 |
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| CN202010711572.6A Pending CN111892859A (en) | 2020-07-22 | 2020-07-22 | Anti-yellowing medium-density fiberboard low-temperature curing powder coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625548A (en) * | 2020-12-22 | 2021-04-09 | 厦门望佳工贸有限公司 | Powder coating |
| CN115838563A (en) * | 2022-12-01 | 2023-03-24 | 庞贝捷粉末涂料(上海)有限公司 | Dry-mix powder coating composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948409A (en) * | 2006-10-25 | 2007-04-18 | 广州电器科学研究院 | Low temperature solidified powder paint used for coating medium density fiber board and its production technology |
| CN103131308A (en) * | 2012-12-28 | 2013-06-05 | 广州擎天材料科技有限公司 | High-low acid value bi-component end carboxyl polyester resin composition for super-weather-proof dry-blending extinction powder coatings and application of the same |
| CN111004564A (en) * | 2019-12-28 | 2020-04-14 | 安徽省华安进出口有限公司 | Extinction low-temperature curing outdoor weather-resistant powder coating |
-
2020
- 2020-07-22 CN CN202010711572.6A patent/CN111892859A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948409A (en) * | 2006-10-25 | 2007-04-18 | 广州电器科学研究院 | Low temperature solidified powder paint used for coating medium density fiber board and its production technology |
| CN103131308A (en) * | 2012-12-28 | 2013-06-05 | 广州擎天材料科技有限公司 | High-low acid value bi-component end carboxyl polyester resin composition for super-weather-proof dry-blending extinction powder coatings and application of the same |
| CN111004564A (en) * | 2019-12-28 | 2020-04-14 | 安徽省华安进出口有限公司 | Extinction low-temperature curing outdoor weather-resistant powder coating |
Non-Patent Citations (1)
| Title |
|---|
| 刘俊哲: "《实用涂料涂装手册》", 31 December 1988, 辽宁科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625548A (en) * | 2020-12-22 | 2021-04-09 | 厦门望佳工贸有限公司 | Powder coating |
| CN115838563A (en) * | 2022-12-01 | 2023-03-24 | 庞贝捷粉末涂料(上海)有限公司 | Dry-mix powder coating composition |
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