CN109609018A - A kind of woodenware waterborne two-component polyurethane coating - Google Patents
A kind of woodenware waterborne two-component polyurethane coating Download PDFInfo
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- CN109609018A CN109609018A CN201811288945.2A CN201811288945A CN109609018A CN 109609018 A CN109609018 A CN 109609018A CN 201811288945 A CN201811288945 A CN 201811288945A CN 109609018 A CN109609018 A CN 109609018A
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- component
- microballoon
- water
- woodenware
- waterborne
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Classifications
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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
-
- 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
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of woodenware waterborne two-component polyurethane coatings, comprising: the weight ratio of component a and component b, component a and component b are 7-9:1-3；The raw material of component a includes: aqueous polyurethane dispersion, aqueous alkide resin, low hydroxyl value acrylic emulsion, degradation polyethylene glycol microballoon, white carbon black, trbasic zinc phosphate, epoxidized soybean oil, disproportionated rosin, wetting agent, defoaming agent, levelling agent, thickener, deionized water；The raw material of component b includes: water-based isocyanate, water.Polyethylene glycol microballoon of degrading is prepared using following technique: by Macrogol 6000 irradiation-induced degradation, air draft degasification, it crushes, oxidized polyethylene wax stirring is added, it adds aluminum nitrate, boric acid, water to be uniformly mixed, it is 8.1-8.5 that ammonium hydroxide to system pH is added dropwise under stirring, stirs to get white " milky " suspended matter, hydro-thermal reaction, it is cooling to obtain degradation polyethylene glycol microballoon.
Description
Technical field
The present invention relates to woodwork coating technical field more particularly to a kind of woodenware waterborne two-component polyurethane coatings.
Background technique
Bicomponent polyurethane coating is usually by the paint components containing hydroxyl or amidine functional group and to contain isocyanates
The curing agent component of functional group forms.Bicomponent polyurethane coating is commonly divided into solvent borne polyurethane coating and aqueous polyurethane
Coating.Aqueous polyurethane coating, especially waterborne two-component polyurethane coating had both remained the excellent of solvent borne polyurethane coating
Performance, it may have therefore good environment friendly has broad application prospects.
But waterborne two-component polyurethane coating is very sensitive to water, and water-fast effect is poor, it would be highly desirable to solve.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of woodenware to be applied with dual-component aqueous polyurethane
Material, film even compact, water resistance is extremely excellent, good chemical resistance, and adhesive strength is high, safety and environmental protection.
A kind of woodenware waterborne two-component polyurethane coating proposed by the present invention, comprising: component a and component b, component a and
The weight ratio of component b is 7-9:1-3；The raw material of component a includes: aqueous polyurethane dispersion, aqueous alkide resin, low hydroxyl value third
Olefin(e) acid lotion, degradation polyethylene glycol microballoon, white carbon black, trbasic zinc phosphate, epoxidized soybean oil, disproportionated rosin, wetting agent, defoaming agent, stream
Flat agent, thickener, deionized water；The raw material of component b includes: water-based isocyanate, water.
Preferably, in the raw material of component a, aqueous polyurethane dispersion, aqueous alkide resin, low hydroxyl value acrylic emulsion,
Degradation polyethylene glycol microballoon, white carbon black, trbasic zinc phosphate, epoxidized soybean oil, disproportionated rosin, wetting agent, defoaming agent, levelling agent, thickening
Agent, deionized water weight ratio be 100-140:80-120:30-60:4-10:1-3:0.2-1:2-8:1-4:1-2:1-2:1-2:
1-2:50-100.
Preferably, degradation polyethylene glycol microballoon is prepared using following technique: by Macrogol 6000 irradiation-induced degradation, air draft is removed
Gas crushes, and oxidized polyethylene wax stirring is added, and adds aluminum nitrate, boric acid, water and is uniformly mixed, ammonium hydroxide is added dropwise under stirring
It is 8.1-8.5 to system pH, stirs to get white " milky " suspended matter, hydro-thermal reaction is cooling to obtain degradation polyethylene glycol microballoon.
Preferably, in the preparation process of polyethylene glycol microballoon that degrades, irradiation dose 0.43-0.47MGy.
Preferably, in the preparation process of polyethylene glycol microballoon that degrades, being crushed to partial size is 23-46 μm.
Preferably, in the preparation process of polyethylene glycol microballoon that degrades, hydrothermal temperature is 190-210 DEG C, hydro-thermal reaction
Time is 15-24h,
Preferably, degrade polyethylene glycol microballoon preparation process in, Macrogol 6000, oxidized polyethylene wax, aluminum nitrate,
Boric acid, water weight ratio be 40-80:2-12:4-10:3-8:150-200.
Preferably, in the raw material of component b, water-based isocyanate, water weight ratio be 4-12:40-60.
The present invention has hardness height, quick-drying, anti scuffing, water-tolerant, transparent good, alcohol resistance excellent and resist blocking and that etc.
Feature, film performance basically reach the performance requirement of solvent borne polyurethane woodcare paint, can be widely applied to wood furniture, door and window etc.
Product.
Since aqueous alkide resin has a high rigidity, high richness, and low hydroxyl acrylic emulsion has easy delustring, fast
Dry, inexpensive, aqueous polyurethane dispersion has many advantages, such as that partial size is smaller, flexibility is good, resistance to blocking is good, and the present invention is using above-mentioned
The cooperation of three kinds of lotions, mutually modified under the cooperation of degradation polyethylene glycol microballoon, it is higher to be formed by film consistency, makes this hair
Bright water resistance is good, good chemical resistance.In degradation polyethylene glycol microballoon of the invention, Macrogol 6000 is by irradiation drop
Ground after solution, form the molecule of surface active group, under the cooperation of oxidized polyethylene wax with aluminum nitrate, boric acid
Good dispersion, fully dispersed each other by the characteristic of oxidized polyethylene wax, by hydro-thermal reaction, gained colloidal sol not only disperses good
It is good, and uniform particle sizes；Degradation polyethylene glycol microballoon and aqueous polyurethane dispersion, aqueous alkide resin, low hydroxyl value acrylic acid
The dissolution of lotion high degree of dispersion, Combination is good, and after component b solidification, film is uniform and toughness is fabulous, and waterproof performance is extremely excellent,
Adhesive strength is high, safety and environmental protection.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of woodenware waterborne two-component polyurethane coating, comprising: component a and component b, the weight ratio of component a and component b
For 7:3；
The raw material of component a includes: aqueous polyurethane dispersion 100kg, aqueous alkide resin 120kg, low hydroxyl value acrylic acid
Lotion 30kg, degrade polyethylene glycol microballoon 10kg, white carbon black 1kg, trbasic zinc phosphate 1kg, epoxidized soybean oil 2kg, disproportionated rosin 4kg,
Wetting agent 1kg, defoaming agent 2kg, levelling agent 1kg, thickener 2kg, deionized water 50kg.
Polyethylene glycol microballoon of degrading is prepared using following technique: by 80kg Macrogol 6000 irradiation-induced degradation, irradiation dose
For 0.43MGy, air draft degasification, being crushed to partial size is 23-46 μm, and 12kg oxidized polyethylene wax is added and stirs 4min, mixing speed
It for 900r/min, adds 4kg aluminum nitrate, 8kg boric acid, 150kg water and is uniformly mixed, mass fraction is added dropwise under stirring is
21.8wt% ammonium hydroxide to system pH is 8.1-8.5, stirs to get white " milky " suspended matter, and 190 DEG C of hydro-thermal reactions are for 24 hours, cooling
Obtain degradation polyethylene glycol microballoon；
The raw material of component b includes: water-based isocyanate 4kg, water 60kg.
Embodiment 2
A kind of woodenware waterborne two-component polyurethane coating, comprising: component a and component b, the weight ratio of component a and component b
For 9:1；
The raw material of component a includes: aqueous polyurethane dispersion 140kg, aqueous alkide resin 80kg, low hydroxyl value propylene yogurt
Liquid 60kg, degrade polyethylene glycol microballoon 4kg, white carbon black 3kg, trbasic zinc phosphate 0.2kg, epoxidized soybean oil 8kg, disproportionated rosin 1kg, profit
Humectant 2kg, defoaming agent 1kg, levelling agent 2kg, thickener 1kg, deionized water 100kg.
Polyethylene glycol microballoon of degrading is prepared using following technique: by 40kg Macrogol 6000 irradiation-induced degradation, irradiation dose
For 0.47MGy, air draft degasification, being crushed to partial size is 23-46 μm, and 2kg oxidized polyethylene wax is added and stirs 8min, mixing speed is
500r/min adds 10kg aluminum nitrate, 3kg boric acid, 200kg water and is uniformly mixed, and mass fraction is added dropwise under stirring is
18wt% ammonium hydroxide to system pH is 8.1-8.5, stirs to get white " milky " suspended matter, 210 DEG C of hydro-thermal reaction 15h, cooling
To degradation polyethylene glycol microballoon；
The raw material of component b includes: water-based isocyanate 12kg, water 40kg.
Embodiment 3
A kind of woodenware waterborne two-component polyurethane coating, comprising: component a and component b, the weight ratio of component a and component b
For 7.5:2.5；
The raw material of component a includes: aqueous polyurethane dispersion 110kg, aqueous alkide resin 110kg, low hydroxyl value acrylic acid
Lotion 40kg, degrade polyethylene glycol microballoon 8kg, white carbon black 1.5kg, trbasic zinc phosphate 0.8kg, epoxidized soybean oil 4kg, disproportionated rosin
3kg, wetting agent 1.3kg, defoaming agent 1.7kg, levelling agent 1.4kg, thickener 1.6kg, deionized water 60kg.
Polyethylene glycol microballoon of degrading is prepared using following technique: by 70kg Macrogol 6000 irradiation-induced degradation, irradiation dose
For 0.44MGy, air draft degasification, being crushed to partial size is 23-46 μm, and 10kg oxidized polyethylene wax is added and stirs 5min, mixing speed
It for 800r/min, adds 6kg aluminum nitrate, 6kg boric acid, 160kg water and is uniformly mixed, mass fraction is added dropwise under stirring is
21wt% ammonium hydroxide to system pH is 8.1-8.5, stirs to get white " milky " suspended matter, 195 DEG C of hydro-thermal reaction 20h, cooling
To degradation polyethylene glycol microballoon；
The raw material of component b includes: water-based isocyanate 6kg, water 55kg.
Embodiment 4
A kind of woodenware waterborne two-component polyurethane coating, comprising: component a and component b, the weight ratio of component a and component b
For 8.5:1.5；
The raw material of component a includes: aqueous polyurethane dispersion 130kg, aqueous alkide resin 90kg, low hydroxyl value propylene yogurt
Liquid 50kg, degrade polyethylene glycol microballoon 6kg, white carbon black 2.5kg, trbasic zinc phosphate 0.4kg, epoxidized soybean oil 6kg, disproportionated rosin 2kg,
Wetting agent 1.7kg, defoaming agent 1.3kg, levelling agent 1.8kg, thickener 1.2kg, deionized water 80kg.
Polyethylene glycol microballoon of degrading is prepared using following technique: by 50kg Macrogol 6000 irradiation-induced degradation, irradiation dose
For 0.46MGy, air draft degasification, being crushed to partial size is 23-46 μm, and 4kg oxidized polyethylene wax is added and stirs 7min, mixing speed is
600r/min adds 8kg aluminum nitrate, 4kg boric acid, 180kg water and is uniformly mixed, and mass fraction is added dropwise under stirring is
19wt% ammonium hydroxide to system pH is 8.1-8.5, stirs to get white " milky " suspended matter, 205 DEG C of hydro-thermal reaction 18h, cooling
To degradation polyethylene glycol microballoon；
The raw material of component b includes: water-based isocyanate 10kg, water 45kg.
Embodiment 5
A kind of woodenware waterborne two-component polyurethane coating, comprising: component a and component b, the weight ratio of component a and component b
For 8:2；
The raw material of component a includes: aqueous polyurethane dispersion 120kg, aqueous alkide resin 100kg, low hydroxyl value acrylic acid
Lotion 45kg, degrade polyethylene glycol microballoon 7kg, white carbon black 2kg, trbasic zinc phosphate 0.6kg, epoxidized soybean oil 5kg, disproportionated rosin
2.5kg, wetting agent 1.5kg, defoaming agent 1.5kg, levelling agent 1.6kg, thickener 1.4kg, deionized water 70kg.
Polyethylene glycol microballoon of degrading is prepared using following technique: by 60kg Macrogol 6000 irradiation-induced degradation, irradiation dose
For 0.45MGy, air draft degasification, being crushed to partial size is 23-46 μm, and 7kg oxidized polyethylene wax is added and stirs 6min, mixing speed is
700r/min adds 7kg aluminum nitrate, 5kg boric acid, 170kg water and is uniformly mixed, and mass fraction is added dropwise under stirring is
20wt% ammonium hydroxide to system pH is 8.1-8.5, stirs to get white " milky " suspended matter, 200 DEG C of hydro-thermal reaction 19h, cooling
To degradation polyethylene glycol microballoon；
The raw material of component b includes: water-based isocyanate 8kg, water 50kg.
5 gained woodenware waterborne two-component polyurethane coating of embodiment and common woodenware are applied with dual-component aqueous polyurethane
Material gained film is tested by the test method in GB/T23999-2009 respectively, and result is as follows:
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of woodenware waterborne two-component polyurethane coating characterized by comprising component a and component b, component a and component
The weight ratio of b is 7-9:1-3；
The raw material of component a includes: aqueous polyurethane dispersion, aqueous alkide resin, low hydroxyl value acrylic emulsion, the poly- second two of degradation
Alcohol microballoon, white carbon black, trbasic zinc phosphate, epoxidized soybean oil, disproportionated rosin, wetting agent, defoaming agent, levelling agent, thickener, deionization
Water；
The raw material of component b includes: water-based isocyanate, water.
2. woodenware waterborne two-component polyurethane coating according to claim 1, which is characterized in that in the raw material of component a, water
Property dispersions of polyurethanes, aqueous alkide resin, low hydroxyl value acrylic emulsion, degradation polyethylene glycol microballoon, white carbon black, trbasic zinc phosphate,
Epoxidized soybean oil, disproportionated rosin, wetting agent, defoaming agent, levelling agent, thickener, deionized water weight ratio be 100-140:80-
120:30-60:4-10:1-3:0.2-1:2-8:1-4:1-2:1-2:1-2:1-2:50-100.
3. woodenware waterborne two-component polyurethane coating according to claim 1 or claim 2, which is characterized in that degradation polyethylene glycol
Microballoon is prepared using following technique: by Macrogol 6000 irradiation-induced degradation, air draft degasification is crushed, and oxidized polyethylene wax is added and stirs
It mixes, adds aluminum nitrate, boric acid, water and be uniformly mixed, it is 8.1-8.5 that ammonium hydroxide to system pH is added dropwise under stirring, is stirred
To white " milky " suspended matter, hydro-thermal reaction, cooling obtains degradation polyethylene glycol microballoon.
4. woodenware waterborne two-component polyurethane coating according to claim 3, which is characterized in that degradation polyethylene glycol microballoon
Preparation process in, irradiation dose 0.43-0.47MGy.
5. according to the woodenware waterborne two-component polyurethane coating of claim 3 or 4, which is characterized in that degradation polyethylene glycol
In the preparation process of microballoon, being crushed to partial size is 23-46 μm.
6. according to any one of the claim 3-5 woodenware waterborne two-component polyurethane coating, which is characterized in that poly- second of degrading
In the preparation process of glycol microballoon, hydrothermal temperature is 190-210 DEG C, the hydro-thermal reaction time 15-24h.
7. according to any one of the claim 3-6 woodenware waterborne two-component polyurethane coating, which is characterized in that poly- second of degrading
In the preparation process of glycol microballoon, Macrogol 6000, oxidized polyethylene wax, aluminum nitrate, boric acid, water weight ratio be 40-80:
2-12:4-10:3-8:150-200.
8. any one of -7 woodenware waterborne two-component polyurethane coating according to claim 1, which is characterized in that component b's
In raw material, water-based isocyanate, water weight ratio be 4-12:40-60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288945.2A CN109609018A (en) | 2018-10-31 | 2018-10-31 | A kind of woodenware waterborne two-component polyurethane coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288945.2A CN109609018A (en) | 2018-10-31 | 2018-10-31 | A kind of woodenware waterborne two-component polyurethane coating |
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| CN109609018A true CN109609018A (en) | 2019-04-12 |
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| CN201811288945.2A Withdrawn CN109609018A (en) | 2018-10-31 | 2018-10-31 | A kind of woodenware waterborne two-component polyurethane coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114701A (en) * | 2020-02-28 | 2020-05-08 | 惠州搏浪运动用品有限公司 | Preparation technology of firm surfboard with long service life |
| CN113025177A (en) * | 2021-04-01 | 2021-06-25 | 浙江天女集团制漆有限公司 | Water-based acrylic polyurethane coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221541A (en) * | 2016-08-25 | 2016-12-14 | 北京建筑材料科学研究总院有限公司 | A kind of aqueous dual-component woodwork coating and preparation method thereof |
-
2018
- 2018-10-31 CN CN201811288945.2A patent/CN109609018A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221541A (en) * | 2016-08-25 | 2016-12-14 | 北京建筑材料科学研究总院有限公司 | A kind of aqueous dual-component woodwork coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 何勤功等: "《油田开发用高分子材料》", 31 October 1990, 石油工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114701A (en) * | 2020-02-28 | 2020-05-08 | 惠州搏浪运动用品有限公司 | Preparation technology of firm surfboard with long service life |
| CN113025177A (en) * | 2021-04-01 | 2021-06-25 | 浙江天女集团制漆有限公司 | Water-based acrylic polyurethane coating and preparation method thereof |
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Application publication date: 20190412 |