CN109971239B - Aqueous wood lacquer auxiliary agent for inhibiting tannin diffusion and application thereof - Google Patents
Aqueous wood lacquer auxiliary agent for inhibiting tannin diffusion and application thereof Download PDFInfo
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- CN109971239B CN109971239B CN201910286007.7A CN201910286007A CN109971239B CN 109971239 B CN109971239 B CN 109971239B CN 201910286007 A CN201910286007 A CN 201910286007A CN 109971239 B CN109971239 B CN 109971239B
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- polyetheramine
- tannin
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- 239000001648 tannin Substances 0.000 title claims abstract description 59
- 229920001864 tannin Polymers 0.000 title claims abstract description 57
- 235000018553 tannin Nutrition 0.000 title claims abstract description 52
- 239000002023 wood Substances 0.000 title claims abstract description 50
- 238000009792 diffusion process Methods 0.000 title claims abstract description 30
- 239000012752 auxiliary agent Substances 0.000 title claims abstract description 29
- 239000004922 lacquer Substances 0.000 title claims abstract description 23
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 18
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 18
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 11
- 239000001110 calcium chloride Substances 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- -1 modified ethylamine compound Chemical class 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 35
- 239000003973 paint Substances 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000002845 discoloration Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims 1
- 239000007983 Tris buffer Substances 0.000 claims 1
- POPMLEAPICHDOW-UHFFFAOYSA-N [2,2-bis[3-(aziridin-2-yl)propanoyloxymethyl]-3-hydroxypropyl] 3-(aziridin-2-yl)propanoate Chemical compound C1NC1CCC(=O)OCC(COC(=O)CCC1NC1)(CO)COC(=O)CCC1CN1 POPMLEAPICHDOW-UHFFFAOYSA-N 0.000 claims 1
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 150000003151 propanoic acid esters Chemical class 0.000 claims 1
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 abstract description 15
- 239000001263 FEMA 3042 Substances 0.000 abstract description 15
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 abstract description 15
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 abstract description 15
- 229940033123 tannic acid Drugs 0.000 abstract description 15
- 235000015523 tannic acid Nutrition 0.000 abstract description 15
- 229920002258 tannic acid Polymers 0.000 abstract description 15
- 238000010668 complexation reaction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000006386 neutralization reaction Methods 0.000 abstract description 7
- 239000002244 precipitate Substances 0.000 abstract description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000000284 extract Substances 0.000 abstract 1
- 231100000053 low toxicity Toxicity 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- VFUYUMOOAYKNNO-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;3-(2-methylaziridin-1-yl)propanoic acid Chemical compound CCC(CO)(CO)CO.CC1CN1CCC(O)=O.CC1CN1CCC(O)=O.CC1CN1CCC(O)=O VFUYUMOOAYKNNO-UHFFFAOYSA-N 0.000 description 3
- XBGFZVIXZMWTAV-UHFFFAOYSA-N [3-[3-(aziridin-1-yl)propanoyloxy]-2,2-bis[3-(aziridin-1-yl)propanoyloxymethyl]propyl] 3-(aziridin-1-yl)propanoate Chemical compound C1CN1CCC(=O)OCC(COC(=O)CCN1CC1)(COC(=O)CCN1CC1)COC(=O)CCN1CC1 XBGFZVIXZMWTAV-UHFFFAOYSA-N 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- UWHCZFSSKUSDNV-UHFFFAOYSA-N 3-(aziridin-1-yl)propanoic acid;2-ethyl-2-(hydroxymethyl)propane-1,3-diol Chemical compound OC(=O)CCN1CC1.OC(=O)CCN1CC1.OC(=O)CCN1CC1.CCC(CO)(CO)CO UWHCZFSSKUSDNV-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- KAPCRJOPWXUMSQ-UHFFFAOYSA-N [2,2-bis[3-(aziridin-1-yl)propanoyloxymethyl]-3-hydroxypropyl] 3-(aziridin-1-yl)propanoate Chemical compound C1CN1CCC(=O)OCC(COC(=O)CCN1CC1)(CO)COC(=O)CCN1CC1 KAPCRJOPWXUMSQ-UHFFFAOYSA-N 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 238000010669 acid-base reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001767 cationic compounds Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- 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
- C09D7/65—Additives macromolecular
-
- 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
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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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)
- Paints Or Removers (AREA)
Abstract
The invention relates to an aqueous wood lacquer auxiliary agent for inhibiting tannin diffusion and application thereof, wherein the auxiliary agent comprises the following components in parts by weight: 10.0-25.0 parts of modified ethylamine compound, 10.0-20.0 parts of polyetheramine, 0.5-2.0 parts of calcium chloride, 20.0-40.0 parts of solvent and 13.0-59.5 parts of deionized water. The invention provides an aqueous wood lacquer auxiliary agent capable of quickly acting with tannic acid, which takes ethanol as a solvent, has low toxicity and environmental protection, and precipitates/extracts tannic acid from an aqueous solution through three action modes of acid-base neutralization, calcium ion complexation and reaction with tannic acid, thereby solving the problem of tannin diffusion in wood, and achieving the purposes of simplifying construction procedures, improving construction efficiency and saving coating cost.
Description
Technical Field
The invention relates to an aqueous wood lacquer auxiliary agent which synergistically inhibits the diffusion of tannic acid through three action modes of acid-base action, complexation and chemical reaction.
Background
The traditional solvent-based wood coating is gradually replaced by the environment-friendly water-based wood coating. Due to the differences of solvent-based wood paints and water-based wood paints in various aspects such as raw material selection, formula design, drying principle and the like, various new problems appear in the construction and use processes of the water-based wood paints (particularly white or light-colored water-based wood paints), and typical problems include that no crosslinking exists between resin molecules for the water-based wood paints or the crosslinking degree is low, so that the dried wood paints have the problems of soft films, poor mechanical properties and poor stain resistance; during construction, tannin in wood is dissolved in water and then freely diffuses in water-based paint to cause the problem of paint film discoloration. The problem of discoloration caused by the free diffusion of tannic acid in the aqueous wood lacquer is a difficult problem which makes formulation engineers and constructors feel headache.
Tannin is a water-soluble phenolic substance generated in the growth process of trees, and the wood for solid wood furniture contains the tannin. When the water-based wood paint is constructed on solid wood, tannic acid in the wood is dissolved in water and gradually diffuses into the water-based wood paint from the wood, so that the paint on the upper layer is discolored. In the prior art, there are three strategies for immobilizing tannic acid: 1) using polyvalent metal ions or carboxylate radicals (COO) of cationic polymers with tannins-) The tannin is fixed in a complexing mode. However, these COO's with tannins-The cationic species (polyvalent metal ion and cationic polymer) which act tends to react with the anionic surfactant in the aqueous resin or water-dispersible resin, consuming part of the cationic species, impairing the effect of fixing tannin. However, if part of the cationic compound diffuses into the aqueous resin or water-dispersible resin of the upper layer, the stability of the upper layer coating layer is liable to deteriorate and the performance of the coating film is liable to deteriorate. Therefore, the method of fixing the tannin by adopting the polymer of the polyvalent metal ions and the cations has the defects of unstable function performance of the auxiliary agent and potential danger to the upper-layer water-based paint; 2) the acid-base neutralization method is that a compound which can be dissolved in water and is alkaline in the water is directly combined with tannin which is acidic to generate precipitate, and the precipitate is stripped from the water and fixed. The tannin anchoring mode is based on the principle of acid-base neutralization, and the alkaline substance reacts with the tannin according to the stoichiometric ratio. If the amount of the alkaline substance is insufficient or the content of tannic acid is large, the alkaline substance is consumed, and unreacted tannic acid is dissolved in water and diffused to the surfaceThe discoloration problem is caused on the surface; 3) the derivative of cyclic ethylamine reacts with carboxyl of tannin to fix it. The multifunctional cyclic ethylamine derivatives can react with tannin and carboxyl in water-based resin simultaneously to generate a polymer network with high crosslinking density. The highly crosslinked polymer network effectively limits the diffusion of tannins from the wood to the top coat of the paint film by physical barrier action. Compared with complexation and acid-base reaction, the reaction speed of the reaction method of the derivative of the cyclic ethylamine is slower, and much time is left for the diffusion of the tannin; in addition, the price of the cyclic ethylamine derivatives is generally high, and if the cyclic ethylamine derivatives are used alone as the diffusion inhibitor of tannic acid, the material cost is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the water-based wood lacquer auxiliary agent for inhibiting the tannin diffusion and the application thereof.
The purpose of the invention is realized by the following technical scheme: the water-based wood paint auxiliary agent for inhibiting tannin diffusion comprises the following raw materials in parts by weight:
the modified ethylene amine compound is at least one of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], trimethylolpropane-tris (3-aziridinyl propionate), pentaerythritol tris (3-aziridinyl propionate) and pentaerythritol tetrakis (3-aziridinyl propionate).
Further, the polyetheramine is at least one of polyetheramine D230, polyetheramine D400, polyetheramine D2000, polyetheramine D5000 and polyetheramine T403.
Further, the solvent is ethanol or an ethanol-water mixture. The invention selects ethanol or ethanol water solution as solvent, and the material source is wide, cheap and easy to obtain. When the auxiliary agent and the water-based resin are prepared into the seal primer for construction, the absolute ethyl alcohol can form an azeotrope with water in the water-based resin, so that the drying of a paint film is accelerated, and the dissolution of tannin from wood and the diffusion time of the tannin in the seal primer are reduced. In addition, the invention is directly compounded without reaction, and has the characteristics of simple equipment and easy operation.
Further, calcium chloride is used as an auxiliary component of the aqueous wood lacquer auxiliary agent for inhibiting the tannin diffusion.
The application of the water-based wood lacquer auxiliary agent comprises the following steps: the water-based wood paint auxiliary agent and the paint auxiliary agent are prepared into water-based paint or water-based resin. The water-based paint additive can inhibit the diffusion of tannin in wood, prevent the white or light-colored coating from discoloring due to the diffusion and permeation of the tannin, improve the construction efficiency and prolong the service life of the paint.
The preparation method of the tannin diffusion inhibiting water-based wood paint auxiliary agent comprises the following steps:
(1) at room temperature, adding the modified ethylamine compound, a solvent and deionized water (20% of the total mass of the deionized water) into a reaction kettle, starting stirring (the stirring speed is controlled within the range of 60-90 revolutions per minute), and uniformly mixing the raw materials;
(2) slowly adding polyetheramine into the mixed solution obtained in the step (1), and uniformly stirring;
(3) and (3) dissolving calcium chloride in the rest deionized water (80% of the total mass of the deionized water) at room temperature or under the conditions of heating and stirring to obtain a uniform and transparent solution, slowly adding the uniform and transparent solution into the solution obtained in the step (2), uniformly stirring, filtering and packaging.
The invention has the beneficial effects that: the method synergistically inhibits the tannin in the wood from diffusing to an upper paint film through three action modes of acid-base neutralization, complexation and chemical reaction. The alkaline substance and the tannic acid are subjected to neutralization reaction, the reaction speed of the reaction is very high, the polyether amine and the tannic acid can react according to a stoichiometric ratio in a short time, and the tannin is quickly fixed; in addition, the complexation between calcium ions and the carboxyl groups of the tannic acid is also a rapid reaction, one calcium ion can generate complexation with two carboxylate radicals to generate an eight-membered ring chelate, and a network structure with the calcium ion as a crosslinking point is formed (the network structure forms certain resistance to the diffusion of the tannic acid); the reaction of the cyclic ethylamine derivative with the carboxyl groups of tannin is a slow irreversible reaction, and the high-density crosslinked network generated by the reaction can effectively limit the diffusion of free tannic acid. The acid-base neutralization, the complexation and the chemical reaction are matched, and the polyether amine-tannin (acid-base neutralization) and the calcium ion-tannin (complexation) quickly anchor most of the tannin; the slow-reacting cyclopamine-tannin and the cyclopamine-water-based resin generate a high cross-linked network through chemical reaction, further limit the diffusion of tannin and completely block tannin under the bottom coat.
Drawings
FIG. 1 shows the effect of the primer with the auxiliary of example 1 (left) and the effect of the primer without the auxiliary of example 1 (right).
Detailed Description
The present invention will be described in detail with reference to examples for better understanding, but the present invention is not limited to the scope of the examples.
Example 1
(1) At room temperature, 10.0g of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], 20.0g of ethanol and 11.9g of deionized water are put into a reaction kettle, stirring is started (the stirring speed is controlled at 60 revolutions per minute), and the raw materials are uniformly mixed;
(2) slowly adding 10.0g of polyetheramine into the mixed solution obtained in the step (1), and uniformly stirring;
(3) and (3) dissolving 0.5g of calcium chloride in 47.6g of deionized water at room temperature under stirring to obtain a uniform and transparent solution, slowly adding the uniform and transparent solution into the solution obtained in the step (2), uniformly stirring, filtering and packaging.
1.0mL of a 5 wt% tannin aqueous solution was mixed with 1.0mL of a 5 wt% tannin diffusion-inhibiting aid of example 1. The two solutions were immediately precipitated upon mixing and centrifuged. The precipitate formed by the two was placed in a petri dish and then dried in an air-blown drying oven to a constant weight. The tannin fixing ability of example 1 was calculated to be 1.51gTannin/gAuxiliary agent。
Mixing 5% of the auxiliary agent obtained in the step 1 with 64% of waterborne polyurethane resin, 6% of film-forming auxiliary agent, 0.5% of defoaming agent, 24% of pigment and filler slurry and the like to obtain the tannin seal primer. The primer was sprayed directly onto the wood board (fig. 1, left) and compared to the effect of the primer without the addition of the auxiliary of example 1 (fig. 1, right), the results are shown in fig. 1. As can be seen from the figure, the seal primer added with the tannin diffusion prevention auxiliary agent can effectively limit the diffusion of tannin, and basically no tannin diffuses from the bottom of wood to an upper paint film (FIG. 1, left); in the primer without the tannin diffusion preventive aid, tannin has diffused into the upper paint film, causing yellowing of the white primer (right in fig. 1).
Table 1 shows the Δ L, Δ a, Δ b, and Δ E values of the wood-ware-paint-made sample plates with the anti-tannin additive added and without the anti-tannin additive added, measured with an alice X-Rite colorimeter.
TABLE 1 test results of Alice X Rite color difference meter
| Index (I) | Test point I | Test point II | Test point III | Mean value of |
| ⊿L* | -3.68 | -4.02 | -4.11 | -3.94 |
| ⊿a | -2.11 | -2.35 | -2.41 | -2.29 |
| ⊿b | 5.82 | 5.33 | 6.01 | 5.72 |
| ⊿E | 7.20 | 7.08 | 7.67 | 7.47 |
The wood lacquer added with 5% of the auxiliary agent in the embodiment 1 has a good effect of inhibiting the tannin from diffusing in the water-based wood lacquer.
Example 2
(1) At room temperature, 25.0g of trimethylolpropane-tris (3-aziridinyl propionate), 20.0g of absolute ethyl alcohol and 2.6g of deionized water are put into a reaction kettle, stirring is started (the stirring speed is controlled at 90 revolutions per minute), and the raw materials are uniformly mixed;
(2) slowly adding 20.0g of polyetheramine into the mixed solution obtained in the step (1), and uniformly stirring;
(3) and (3) dissolving 2.0g of calcium chloride in 20.0g of absolute ethyl alcohol and 10.4g of deionized water at room temperature under the stirring condition to obtain a uniform and transparent solution, slowly adding the uniform and transparent solution into the solution obtained in the step (2), uniformly stirring, filtering and packaging.
1.0mL of a 5 wt% tannin aqueous solution was mixed with 1.0mL of a 5 wt% tannin diffusion-inhibiting aid of example 2. The two solutions were immediately precipitated upon mixing and centrifuged. The precipitate formed by the two was placed in a petri dish and then dried in an air-blown drying oven to a constant weight. The tannin fixing ability of example 2 was calculated to be 2.64gTannin/gAuxiliary agent。
TABLE 2 test results of Alice X Rite color difference meter
| Index (I) | Test point I | Test point II | Test point III | Mean value of |
| ⊿L* | 2.21 | 2.19 | 2.34 | 2.45 |
| ⊿a | -0.63 | -0.54 | -0.72 | -0.63 |
| ⊿b | 3.95 | 4.29 | 4.18 | 4.14 |
| ⊿E | 4.57 | 4.83 | 4.84 | 4.75 |
The wood lacquer added with 5% of the auxiliary agent in the embodiment 2 has a good effect of inhibiting the tannin from diffusing in the water-based wood lacquer.
Example 3
(1) Under the condition of room temperature, 15.0g of pentaerythritol tris (3-aziridinyl propionate), 10.0g of absolute ethyl alcohol and 8.0g of deionized water are put into a reaction kettle, stirring is started (the stirring speed is controlled at 70 r/min), and the raw materials are uniformly mixed;
(2) slowly adding 14.0g of polyetheramine T403 into the mixed solution obtained in the step (1), and uniformly stirring;
(3) dissolving 1.0g of calcium chloride in 20.0g of absolute ethyl alcohol and 32.0g of deionized water at 30 ℃ under stirring to obtain a uniform and transparent solution, slowly adding the uniform and transparent solution into the solution obtained in the step (2), uniformly stirring, filtering and packaging.
TABLE 3 test results of Alice X Rite color difference meter
| Index (I) | Test point I | Test point II | Test point III | Mean value of |
| ⊿L* | 1.42 | 1.37 | 1.56 | 1.45 |
| ⊿a | -0.27 | -0.16 | -0.43 | -0.29 |
| ⊿b | 4.81 | 4.93 | 5.06 | 4.93 |
| ⊿E | 5.02 | 5.12 | 5.31 | 5.15 |
The wood lacquer added with 5% of the auxiliary agent in the embodiment 3 has a good effect of inhibiting the tannin from diffusing in the water-based wood lacquer.
Example 4
(1) Under the condition of room temperature, 20.0g of pentaerythritol tetra (3-aziridinyl propionate), 15.0g of absolute ethyl alcohol and 6.4g of deionized water are put into a reaction kettle, stirring is started (the stirring speed is controlled at 70 r/min), and the raw materials are uniformly mixed;
(2) slowly adding 12.0g of polyetheramine D400 into the mixed solution obtained in the step (1), and uniformly stirring;
(3) and (3) dissolving 1.0g of calcium chloride in 20.0g of absolute ethyl alcohol and 25.6g of deionized water at 40 ℃ under stirring to obtain a uniform and transparent solution, slowly adding the uniform and transparent solution into the solution obtained in the step (2), uniformly stirring, filtering and packaging.
Example 5
(1) At room temperature, 10.0g of trimethylolpropane-tris [3- (2-methyl aziridinyl) propionate ], 15.0g of pentaerythritol tetrakis (3-aziridinyl propionate), 15.0g of absolute ethyl alcohol and 7.0g of deionized water are put into a reaction kettle, stirring is started (the stirring speed is controlled at 70 revolutions per minute), and the raw materials are uniformly mixed;
(2) slowly adding 5.0g of polyetheramine T403 and 10.0g of polyetheramine D2000 into the mixed solution obtained in the step (1), and uniformly stirring;
(3) dissolving 1.0g of calcium chloride in 10.0g of absolute ethyl alcohol and 28.0g of deionized water at 45 ℃ under stirring to obtain a uniform and transparent solution, slowly adding the uniform and transparent solution into the solution obtained in the step (2), uniformly stirring, filtering and packaging.
The aqueous wood lacquer auxiliary agent for inhibiting tannin diffusion and the preparation method thereof provided by the embodiment of the invention are described in detail, the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (5)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104228A (en) * | 1976-12-27 | 1978-08-01 | The Dow Chemical Company | Linear, partially deacylated poly(N-acyl)alkylenimines as tannin migration inhibitors |
| CN107502116A (en) * | 2017-09-19 | 2017-12-22 | 安徽名士达新材料有限公司 | A kind of woodenware modified acrylic polyurethane water paint and preparation method thereof |
| CN108752577A (en) * | 2018-06-25 | 2018-11-06 | 烟台大学 | The auxiliary agent and its application method that tannin is spread in a kind of inhibition timber |
| CN109504204A (en) * | 2018-11-06 | 2019-03-22 | 青岛展辰新材料有限公司 | A kind of wooden ware sealing priming paint and preparation method thereof for preventing from seeping on tannic acid |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104228A (en) * | 1976-12-27 | 1978-08-01 | The Dow Chemical Company | Linear, partially deacylated poly(N-acyl)alkylenimines as tannin migration inhibitors |
| CN107502116A (en) * | 2017-09-19 | 2017-12-22 | 安徽名士达新材料有限公司 | A kind of woodenware modified acrylic polyurethane water paint and preparation method thereof |
| CN108752577A (en) * | 2018-06-25 | 2018-11-06 | 烟台大学 | The auxiliary agent and its application method that tannin is spread in a kind of inhibition timber |
| CN109504204A (en) * | 2018-11-06 | 2019-03-22 | 青岛展辰新材料有限公司 | A kind of wooden ware sealing priming paint and preparation method thereof for preventing from seeping on tannic acid |
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