CN111138927A - Substrate sealing agent special for dyed wood veneer and preparation method thereof - Google Patents
Substrate sealing agent special for dyed wood veneer and preparation method thereof Download PDFInfo
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- CN111138927A CN111138927A CN202010025141.4A CN202010025141A CN111138927A CN 111138927 A CN111138927 A CN 111138927A CN 202010025141 A CN202010025141 A CN 202010025141A CN 111138927 A CN111138927 A CN 111138927A
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- agent
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- butyl acetate
- substrate sealing
- veneers
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a special substrate sealing agent for dyed veneers, which comprises a main agent, a curing agent and a diluent, wherein the main agent is prepared from the following raw materials in parts by weight: acrylic resin: 50-70 parts of a solvent; methyl isobutyl ketone: 1-3 parts; butyl acetate: 5-12 parts of a solvent; titanate coupling agent: 0.1-1 part; barium sulfate: 1-2 parts; wetting agent: 0.1-0.5 part; leveling agent: 0.3-1 part; defoaming agent: 0.3-1 part; light stabilizer: 2-4 parts; a drier: 0.4-1 part; butyl acetate: 7-10 parts; ethyl acetate: 15-20 parts of a solvent; the curing agent is prepared from the following raw materials in parts by weight: butyl acetate: 60-70 parts; HDI trimer: 30-40 parts of a binder; the diluent consists of the following raw materials in parts by weight: butyl acetate: 40-50 parts of: propylene glycol methyl ether acetate: 50-60 parts of the special substrate sealing agent for the dyed veneers has extremely strong sealing property on grease in wood, and can effectively prevent the grease of the dyed veneers from seeping.
Description
Technical Field
The invention relates to the technical field of chemical coating manufacturing, in particular to a special substrate sealing agent for dyed veneers and a preparation method thereof.
Background
The dyed veneer can change the color on the basis of not changing the texture of the natural veneer, meanwhile, the color diversification enriches the color imagination space of designers, improves the use value of the veneer, and adds a plurality of colors for the living environment. The staining highlights the grain of the wood, as well as the natural properties exhibited by its three-dimensional features, i.e. shadows, pomegranate, eyes, etc. The greatest value of wood dyeing is represented by infinite creative potential, and in the trend change of year after year, in the creative deduction which is simple and endless as nature, the wood dyeing veneer special sealing agent can create abundant and available colors and hues, so that the special sealing agent for dyeing veneers receives more attention, however, the sealing property of the current sealing agent for dyeing veneers on the market is poor, so that wood grease is easy to exude, the surface of the dyeing veneers is oxidized inconsistently, and the problems of color change, fading and the like are caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the special substrate sealing agent for the dyed veneers, which has stronger sealing property and can effectively prevent wood grease from seeping.
The technical purpose of the invention is realized by the following technical scheme:
the special substrate sealing agent for the dyed veneers comprises a main agent, a curing agent and a diluent, wherein the weight ratio of the main agent to the curing agent to the diluent is 1: (0.2-0.3): (0.6-0.8), wherein the main agent consists of the following raw materials in parts by weight: acrylic resin: 50-70 parts of a solvent; methyl isobutyl ketone: 1-3 parts; butyl acetate: 5-12 parts of a solvent; titanate coupling agent: 0.1-1 part; barium sulfate: 1-2 parts; wetting agent: 0.1-0.5 part; leveling agent: 0.3-1 part; defoaming agent: 0.3-1 part; light stabilizer: 2-4 parts; a drier: 0.4-1 part; butyl acetate: 7-10 parts; ethyl acetate: 15-20 parts of a solvent; the curing agent is prepared from the following raw materials in parts by weight: butyl acetate: 60-70 parts; HDI trimer: 30-40 parts of a binder; the diluent consists of the following raw materials in parts by weight: butyl acetate: 40-50 parts of: propylene glycol methyl ether acetate: 50-60 parts.
Preferably, the acrylic resin is a solvent-type acrylic resin.
Preferably, the wetting agent is a substrate wetting agent.
Preferably, the leveling agent is polyether modified polydimethylsiloxane.
Preferably, the defoaming agent is a defoaming polymer and/or a polysiloxane solution.
Preferably, the light stabilizer includes at least one of an ultraviolet light absorber and a hindered amine light stabilizer.
Preferably, the light stabilizer is prepared from an ultraviolet light absorber and a hindered amine light stabilizer according to the mass ratio of (1-2): (1-2).
Preferably, the drier is a polyurethane catalyst.
Preferably, the HDI trimer is an aliphatic polyisocyanate.
The invention also aims to provide a preparation method of the special substrate sealing agent for the dyed veneers, which comprises the following steps:
the preparation method of the special substrate sealing agent for the dyed veneers comprises the following steps:
(1) preparing a main agent: mixing acrylic resin, methyl isobutyl ketone, butyl acetate, titanate coupling agent, barium sulfate, wetting agent, flatting agent, defoaming agent, light stabilizer, drier, butyl acetate and ethyl acetate, and uniformly stirring;
(2) preparation of a curing agent: mixing butyl acetate and HDI trimer, stirring, and filtering;
(3) preparing a diluent: mixing butyl acetate and propylene glycol methyl ether acetate, stirring, and filtering;
(4) when in use, the main agent, the curing agent and the diluent are mixed.
The invention has the beneficial effects that: the special substrate sealing agent for the dyed veneer has strong sealing property on grease in wood, can effectively prevent the grease of the dyed veneer from seeping, has strong weather resistance and filling property, ensures that the color of the dyed veneer is always consistent in the long-term use process, and prevents the problems of color change, color fading and the like.
(1) In the sealant system, acrylic resin is used as a main component in the sealant, and the sealant has a certain sealing property; the titanate coupling agent can promote the coupling of all components in the sealing agent system, so that the sealing property is improved; barium sulfate is an inert substance, has high filling property, can keep good uniformity and smoothness, and can effectively fill the pipeline on the surface of the veneer; the titanate coupling agent and barium sulfate generate a synergistic effect in the sealing agent system, the sealing property of a formed film is improved together, and grease in the veneer can be effectively prevented from seeping out of the veneer pipeline;
(2) the acrylic resin used in the sealant system also has strong light and color retention; the titanate coupling agent in the sealant system can promote the coupling of all components in the sealant system, has strong light aging resistance and can enhance the adhesive force of a formed film; barium sulfate is an inert substance, and can be used in a sealant system of the invention to cooperate with acrylic resin and titanate coupling agent to enable a formed film to have stronger yellowing resistance, and prevent the problems of color change, fading, paint falling and the like of the formed film.
Detailed Description
Examples 1 to 4:
a preparation method of a special substrate sealing agent for dyed veneers is prepared by the following steps:
(1) preparing a main agent: selecting a clean dispersion cylinder meeting the standard, sequentially adding acrylic resin, methyl isobutyl ketone, butyl acetate, titanate coupling agent, barium sulfate, wetting agent, flatting agent, defoaming agent, light stabilizer drier, butyl acetate and ethyl acetate, starting a dispersion machine, and dispersing at a low speed of 800-900 r/min, wherein the viscosity is as follows: 1500 +/-200 CPS/30 ℃;
(2) preparation of a curing agent: selecting a clean dispersion cylinder meeting the standard, sequentially adding butyl acetate and HDI trimer materials, starting a dispersion machine, dispersing for 30 minutes at 800-900 rpm, preserving heat at 65 ℃, cooling to 30 ℃, discharging and sealing; filtering with 200 mesh screen and barreling for use;
(3) preparing a diluent: and selecting a clean dispersion cylinder meeting the standard, sequentially adding butyl acetate and propylene glycol monomethyl ether acetate, starting a dispersion machine, and dispersing for 20 minutes at 800-900 rpm. Filtering with 200 mesh screen and barreling for use;
(4) when in use, the main agent, the curing agent and the diluent are mixed according to the mass ratio of 1: (0.2-0.3): (0.6-0.8) mixing.
The reagents used in examples 1-4 are all commercially available, where:
acrylic resin: adduction corporation is brand solvent acrylic 1839.
Titanate coupling agent: the Kenreqi petrochemical Co., Ltd is under the brand KR-38S.
Wetting agent: TEGO Twin4000 from Digao.
Leveling agent: the Picker company has the designation BYK 306.
Defoaming agent: the Picker company has the brand number BYK 141.
Light stabilizer: a basf brand light stabilizer 400 and a basf brand light stabilizer 292.
A drier: cis to New Material company brand polyurethane catalyst PC-12.
HDI trimer: basff corporation brand HI 100.
The amounts of the main agent, curing agent and diluent used in the substrate sealants of examples 1-4 are shown in Table 1;
the mass ratios of the main agent, the curing agent and the diluent in the substrate sealants of examples 1 to 4 are shown in Table 2.
Table 1: each component in the substrate sealer of examples 1 to 4 was used in an amount (parts by weight)
Table 2: the mass ratios of the base material, the curing agent and the diluent in the substrate sealing agents of examples 1 to 4
| Mass ratio of | Example 1 | Example 2 | Example 3 | Example 4 |
| A main agent: curing agent: diluent | 1:0.2:0.6 | 1:0.3:0.8 | 1:0.25:0.65 | 1:0.25:0.65 |
The substrate sealants obtained in examples 1 to 4 were applied to dyed veneers made of pine by the conventional coating method (spray coating, roll coating or brush coating), and the respective properties were examined after 72 hours of drying, wherein yellowing resistance was measured after 168 hours of irradiation with an ultraviolet lamp, and the results are shown in Table 3:
table 3: results of Performance testing of the substrate sealants of examples 1-4
As can be seen from Table 3, the background wood sealing agent has excellent sealing performance on grease in wood, can effectively prevent the grease of dyed wood veneers from seeping out, and also has strong adhesive force, the adhesive force grade is more than 2 grade, wherein the highest adhesive force grade of the example 3 can reach 1 grade, and in addition, the background wood sealing agent also has excellent yellowing resistance, the color difference value △ E of the example 1 and the example 2 is between 1.6 and 3.0, the background wood sealing agent belongs to ' very slight discoloration ', the color difference value △ E of the example 3 and the example 4 is less than or equal to 1.5 ', the background wood sealing agent belongs to ' no discoloration ', the color difference value △ E of the example 3 is only 0.9, and the yellowing resistance is the best.
Comparative examples 1 to 3:
comparative example 1 is a commercially available substrate sealer of the same type.
Comparative examples 2 to 3 were identical to example 3 in preparation method and mixing process except for the difference in the amount of the reagents, and the amounts of the main agent, the curing agent and the diluent in the substrate sealer of comparative examples 2 to 3 were as shown in table 4, and the mass ratio of the main agent, the curing agent and the diluent was 1:0.25: 0.65.
Table 4: each component in the substrate sealer of comparative examples 2 to 3 was used in an amount scale (parts by weight)
The substrate sealer prepared in comparative example 1 and comparative examples 2 to 3 was applied to the dyed veneer made of pine by the conventional coating method (spraying, rolling or brushing), and the related properties were examined after 72 hours of drying, wherein yellowing resistance was measured after 168 hours of irradiation with an ultraviolet lamp, and the results are shown in Table 5:
table 5: results of Performance test of the substrate sealer of comparative examples 1 to 3
| Type of detection | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Adhesion force | 4 stage | Grade 3 | 4 stage |
| Yellowing resistance (△ E) | 7.5 | 3.6 | 4.5 |
| 60℃30Oil and fat properties | Slight exudation | Slight exudation | Slight exudation |
| Half year closed grease performance indoor at normal temperature | Slight exudation | Slight exudation | Slight exudation |
| Grease sealing performance at room temperature for one year | Moderate exudation | Moderate exudation | Moderate exudation |
| Grease performance sealed by outdoor illumination for half a year | Moderate exudation | Moderate exudation | Moderate exudation |
| Outdoor illumination one year sealed grease performance | Ooze out of a large amount | Ooze out of a large amount | Ooze out of a large amount |
As can be seen from Table 5, the adhesion, yellowing resistance and grease sealing performance of the substrate sealing agent are far better than those of the same type of products sold in the market in comparative example 3 and comparative example 1;
it can be seen from the comparison of example 3 and comparative examples 2 to 3 that, when the other components in the sealant mixed system are unchanged, the adhesive force, yellowing resistance and grease sealing performance of the substrate sealant are better than those when only one of the titanate coupling agent and barium sulfate is contained in the sealant mixed system, which shows that the two substances simultaneously play a synergistic role in the sealant mixed system to jointly improve the adhesive force, yellowing resistance and grease sealing performance after film formation.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A special substrate sealing agent for dyeing veneers is characterized in that: the curing agent comprises a main agent, a curing agent and a diluent, wherein the weight ratio of the main agent to the curing agent to the diluent is 1: (0.2-0.3): (0.6-0.8), wherein the main agent consists of the following raw materials in parts by weight:
acrylic resin: 50-70 parts of a solvent;
methyl isobutyl ketone: 1-3 parts;
butyl acetate: 5-12 parts of a solvent;
titanate coupling agent: 0.1-1 part;
barium sulfate: 1-2 parts;
wetting agent: 0.1-0.5 part;
leveling agent: 0.3-1 part;
defoaming agent: 0.3-1 part;
light stabilizer: 2-4 parts;
a drier: 0.4-1 part;
butyl acetate: 7-10 parts;
ethyl acetate: 15-20 parts of a solvent;
the curing agent is prepared from the following raw materials in parts by weight:
butyl acetate: 60-70 parts;
HDI trimer: 30-40 parts of a binder;
the diluent consists of the following raw materials in parts by weight:
butyl acetate: 40-50 parts of:
propylene glycol methyl ether acetate: 50-60 parts.
2. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the acrylic resin is solvent type acrylic resin.
3. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the wetting agent is a substrate wetting agent.
4. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the leveling agent is polyether modified polydimethylsiloxane.
5. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the defoaming agent is a foam breaking polymer and/or a polysiloxane solution.
6. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the light stabilizer includes at least one of an ultraviolet light absorber and a hindered amine light stabilizer.
7. The special substrate sealing agent for dyed veneers as claimed in claim 6, wherein: the light stabilizer is prepared from an ultraviolet light absorber and a hindered amine light stabilizer according to the mass ratio of (1-2): (1-2).
8. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the drier is a polyurethane catalyst.
9. The special substrate sealing agent for dyeing veneers as claimed in claim 1, which is characterized in that: the HDI tripolymer is aliphatic polyisocyanate.
10. A method for preparing the substrate sealing agent special for the dyed veneers as defined in any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:
(1) preparing a main agent: mixing acrylic resin, methyl isobutyl ketone, butyl acetate, titanate coupling agent, barium sulfate, wetting agent, flatting agent, defoaming agent, light stabilizer, drier, butyl acetate and ethyl acetate, and uniformly stirring;
(2) preparation of a curing agent: mixing butyl acetate and HDI trimer, stirring, and filtering;
(3) preparing a diluent: mixing butyl acetate and propylene glycol methyl ether acetate, stirring, and filtering;
(4) when in use, the main agent, the curing agent and the diluent are mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025141.4A CN111138927B (en) | 2020-01-10 | 2020-01-10 | Substrate sealing agent special for dyed wood veneer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025141.4A CN111138927B (en) | 2020-01-10 | 2020-01-10 | Substrate sealing agent special for dyed wood veneer and preparation method thereof |
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| CN111138927A true CN111138927A (en) | 2020-05-12 |
| CN111138927B CN111138927B (en) | 2022-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539837A (en) * | 2022-04-12 | 2022-05-27 | 浙江宇豪新材料股份有限公司 | Sun-proof paint for dyed wood and coating method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160347970A1 (en) * | 2014-02-12 | 2016-12-01 | Advanced Wood Paint, LLC | Liquefied wood coating |
| CN106349845A (en) * | 2016-08-29 | 2017-01-25 | 广东花王涂料有限公司 | Preparation process of double-component seal primer |
| CN106366804A (en) * | 2016-08-29 | 2017-02-01 | 广东花王涂料有限公司 | Double composition wash coat |
-
2020
- 2020-01-10 CN CN202010025141.4A patent/CN111138927B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160347970A1 (en) * | 2014-02-12 | 2016-12-01 | Advanced Wood Paint, LLC | Liquefied wood coating |
| CN106349845A (en) * | 2016-08-29 | 2017-01-25 | 广东花王涂料有限公司 | Preparation process of double-component seal primer |
| CN106366804A (en) * | 2016-08-29 | 2017-02-01 | 广东花王涂料有限公司 | Double composition wash coat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539837A (en) * | 2022-04-12 | 2022-05-27 | 浙江宇豪新材料股份有限公司 | Sun-proof paint for dyed wood and coating method thereof |
| CN114539837B (en) * | 2022-04-12 | 2022-12-02 | 浙江宇豪新材料股份有限公司 | Sun-proof paint for dyed wood and coating method thereof |
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| Publication number | Publication date |
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| CN111138927B (en) | 2022-01-14 |
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Address after: 250200 Xin Zhai Zhen Wei Jia Cun Xi, Zhangqiu City, Jinan City, Shandong Province Patentee after: Shandong badshi New Material Co.,Ltd. Address before: 250200 Xin Zhai Zhen Wei Jia Cun Xi, Zhangqiu City, Jinan City, Shandong Province Patentee before: SHANDONG BADESE CHEMICAL Co.,Ltd. |
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