CN106280954A - A kind of aqueous polyurethane coating of high rigidity and preparation method thereof - Google Patents
A kind of aqueous polyurethane coating of high rigidity and preparation method thereof Download PDFInfo
- Publication number
- CN106280954A CN106280954A CN201610747918.1A CN201610747918A CN106280954A CN 106280954 A CN106280954 A CN 106280954A CN 201610747918 A CN201610747918 A CN 201610747918A CN 106280954 A CN106280954 A CN 106280954A
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- Prior art keywords
- component
- aqueous polyurethane
- polyurethane coating
- high rigidity
- preparation
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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
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
-
- 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 provides aqueous polyurethane coating of a kind of high rigidity and preparation method thereof, this aqueous polyurethane coating includes component A, B component and component C, wherein, the raw material of component A includes: chain alkyl superhard aqueous PU resin, Rutile type titanium dioxide, nano barium sulfate, Hardening ceramic additive, Nano silicon dioxide dispersion, dispersant, defoamer 1, defoamer 2, levelling agent, wetting agent, nertralizer, aquosity ultraviolet light absorbent, aqueous polyamide wax slurry, antimildew disinfectant, deionized water, coalescents；B component is hydrophilic isocyanide ester firming agent；Component C is aqueous polyurethane cross-linking agent.Its preparation method is by the proportioning paint of 20:2:1 by component A, B component and component C, to obtain final product.The paint film of aqueous polyurethane coating that the present invention provides has drying speed, high rigidity, high tenacity, high abrasion, feature that resist sagging is good.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to aqueous polyurethane coating and the preparation side thereof of a kind of high rigidity
Method.
Background technology
Under the double drive of economic competition and environmental problem, coatings chemistry forward high-performance, low VOC direction are developed.Have
Organic coating gives the art feature that ground color, gloss etc. are required, and protection base material is from the destruction of environment, such as: humidity, spoke
Penetrate, bioerosion and mechanically and chemically destroying.No matter indoor or outdoors is applied, the quality of coating, the characteristic of base material, painting
Layer and the interfacial property of base material, the extent of corrosion of environment all affect the life-span of base material.As a example by the anticorrosive paint of metal, it passes through
Coating isolation base material and environment, and delay extraneous spontaneous corrosion by chemical reaction.In order to improve coating characteristic, reduce organic
The environmental pollution that solvent discharge is caused, has started technological innovation at coating circle.Although solvent based coating price is relatively low, but environment
Seriously polluted, new technological revolution requires Environmentally friendly coatings, and therefore, water based paint, high solid coating, powder curing are coated with
Material, radiation paint quickly grew in recent years.
Aqueous polyurethane coating has nontoxic, tasteless, free from environmental pollution, the feature of safety and environmental protection, the most progressively replaces biography
The solvent based coating of system.But, the current universal hardness of existing aqueous polyurethane coating is the highest.
Summary of the invention
Solve the technical problem that: it is an object of the invention to overcome the deficiencies in the prior art to provide the aqueous of a kind of high rigidity
Polyurethane coating and preparation method thereof
Technical scheme: the aqueous polyurethane coating of a kind of high rigidity, including component A, B component and component C, wherein, component A
Raw material include in parts by weight: chain alkyl superhard aqueous PU resin 50-60 part, Rutile type titanium dioxide 20-25 part, nanometer
Barium sulfate 2-5 part, Hardening ceramics additive 0-3 part, Nano silicon dioxide dispersion 0.1-0.3 part, dispersant 0.2-0.4
Part, defoamer 1 0.1-0.2 part, defoamer 2 0.1-0.2 part, levelling agent 0.1-0.2 part, wetting agent 0.1-0.2 part, nertralizer
0.2-0.5 part, aquosity ultraviolet light absorbent 0.4-0.8 part, aqueous polyamide wax slurry 2-4 part, antimildew disinfectant 0.2-0.4 part,
Deionized water 11.2-12.7 part, coalescents 1-2 part；B component is hydrophilic isocyanide ester firming agent；Component C is aqueous polyurethane
Cross-linking agent.
Further, described component A also includes sodium polyacrylate 0.05-0.1 part and/or PAMC
0.05-0.1 part.
The preparation method of the aqueous polyurethane coating of above-mentioned high rigidity, by component A, B component and component C by 20:2:1
Proportioning paint, wherein component A is prepared by following steps:
Step 1, by deionized water, dispersant, coalescents mixing, stirring, obtains mixture A；
Step 2, adds Rutile type titanium dioxide, nano barium sulfate, aqueous polyamide wax slurry, nanometer two in mixture A
Silica dispersion, Hardening ceramic additive, stirring, it is ground to fineness and reaches below 20 μm, obtain mixture B；
Step 3, adds chain alkyl superhard aqueous PU resin, stirring in mixture B, obtains mixture C；
Step 4, under agitation by defoamer, wetting agent, levelling agent, aquosity ultraviolet light absorbent, antimildew disinfectant
Add in mixture C, dispersion, add nertralizer, to obtain final product.
Further, in step 1, stirring condition is 300-400rpm, 5-10min.
Further, in step 2, stirring condition is 400-600rpm, 5-10min.
Further, in step 3, stirring condition is 400-600rpm, 15-20min.
Further, in step 4, mixing speed is 400-600rpm, and dispersion condition is 400-600rpm, 15-20min.
Further, step 2 also needs to add sodium polyacrylate 0.05-0.1 part.
Further, step 4 also needs to add PAMC 0.05-0.1 part.
Beneficial effect: the hardness of paint film of the aqueous polyurethane coating that the present invention provides can reach 4.5H, resistance to water reaches
1500 hours, resistance to acids and bases reach 720 hours, wearability less than 0.002g, there is drying speed, high rigidity, high tenacity, high resistance to
Mill, the feature that resist sagging is good.
Detailed description of the invention
The raw material that following example use is as follows:
Chain alkyl superhard aqueous PU resin (the 908 excellent throwing in Anqing)
Rutile type titanium dioxide (706 Du Pont)
Nano barium sulfate (BS80 Beijing gold zebra)
Aqueous polyamide wax slurry (it is prosperous that AQH-800 founds Hua in Shenzhen)
Nano silicon dioxide dispersion (WV33 sea ease chemistry)
Hardening ceramics additive (MT801 Chongqing wheat figure science and technology)
Dispersant (ZWD1 U.S. Troy)
Defoamer 1 (D209W U.S. Troy)
Defoamer 2 (NXZ section is peaceful)
Levelling agent (57 this chemistry of sea inscription)
Wetting agent (960 sea ease chemistry)
Aquosity ultraviolet light absorbent (1406 Beijing addition)
Antimildew disinfectant (the outstanding bright material of DFX-1)
Coalescents (DPM LG-DOW)
Nertralizer (AMP-95 engrave in sea this chemistry)
Hydrophilic isocyanate resin (304 Bayer)
Aqueous polyurethane cross-linking agent (the outstanding grace in SAC-100 Shanghai)
The proportioning raw materials of component A (kg) as shown in the table in each embodiment:
Preparation method is:
1. deionized water, dispersant, coalescents are added together, use 300-400 rev/min to stir 5-10 minute；
2. add Rutile type titanium dioxide, nano barium sulfate, aqueous polyamide wax slurry, Nano silicon dioxide dispersion, increasing
Hard ceramic additive, uses 400-600 rev/min to stir 5-10 minute, uses sand mill to be ground to fineness and reaches less than 20 microns；
3. adding chain alkyl superhard aqueous PU resin uses 400-600 rev/min to stir 15-20 minute；
4. limit uses 400-600 rev/min to add defoamer, wetting agent, levelling agent, aquosity ultraviolet light absorption while stirring
Agent, antimildew disinfectant, use 400-600 rev/min to disperse 15-20 minute.
5. using 400-600 rev/min and add nertralizer while stirring, gained coating pH value regulates between 8-9.
Wherein, need to add sodium polyacrylate in step 2 in embodiment 6 and embodiment 8；Need in embodiment 7 and embodiment 8
PAMC is added in step 4.
Dry plate realizes: respectively by component A: B component=10:1 and component A: B component: C component=20:2:1 proportioning, uses
Deionized-distilled water carries out the adjustment of spray viscosity, and spray viscosity is adjusted to 20-25S (T-4 cup), sprays layer 2-3, and dry plate is put
Put from dry 48 hours detection traditional performances in 25 DEG C of calorstats, ripening test after 7 days artificial ageing resistance performance, chemical resistance and
Salt spray resistance, the dry plate film thickness of type inspection controls in 80-100 μm.
Execution standard: be dried and depend on according to GB/T1732, toughness according to GB/T1720, impact according to GB/T1728, adhesive force
According to GB/T1731, gloss according to GB/T1743, hardness according to GB/T6739, resistance to water foundation GB/T1733, wearability foundation GB/
T1768, chemical resistance according to GB/T23987, resistance to neutral salt spray according to GB/T1771, artificial ageing resistance according to GB/T14522,
Fineness is according to GB/T1724.Testing result is as follows:
Table 1 uses component A: B component=10:1 proportioning dry plate performance test results
Table 2 uses component A: B component: C component=20:2:1 proportioning dry plate performance test results
By above test result it can be seen that add Hardening ceramics additive in formula system, along with carrying of amount
Rising, all have a distinct increment hardness, wearability and the chemical resistance of paint film, when adding C component in the curing process, (aqueous is gathered
Urethane cross-linking agent) after so that the resistance to water of paint film, chemical resistance and anti-wear performance are all obviously improved, and finally can get one
Money hardness can reach 4.5H, and resistance to water reaches 1500 hours, and resistance to acids and bases reaches 720 hours, and wearability is excellent less than 0.002g's
Different aqueous polyurethane coating.In embodiment 6, the addition of sodium polyacrylate, can improve the resistance to water of paint film further；Implementing
Example 7 adds PAMC, it is also possible to strengthen the resistance to impact of paint film.
Claims (9)
1. the aqueous polyurethane coating of a high rigidity, it is characterised in that: include component A, B component and component C, wherein, component A
Raw material include in parts by weight: chain alkyl superhard aqueous PU resin 50-60 part, Rutile type titanium dioxide 20-25 part, nanometer
Barium sulfate 2-5 part, Hardening ceramics additive 0-3 part, Nano silicon dioxide dispersion 0.1-0.3 part, dispersant 0.2-0.4
Part, defoamer 1 0.1-0.2 part, defoamer 2 0.1-0.2 part, levelling agent 0.1-0.2 part, wetting agent 0.1-0.2 part, nertralizer
0.2-0.5 part, aquosity ultraviolet light absorbent 0.4-0.8 part, aqueous polyamide wax slurry 2-4 part, antimildew disinfectant 0.2-0.4 part,
Deionized water 11.2-12.7 part, coalescents 1-2 part；B component is hydrophilic isocyanide ester firming agent；Component C is aqueous polyurethane
Cross-linking agent.
The aqueous polyurethane coating of high rigidity the most according to claim 1, it is characterised in that: described component A also includes gathering
Sodium acrylate 0.05-0.1 part and/or PAMC 0.05-0.1 part.
3. the preparation method of the aqueous polyurethane coating of the high rigidity described in claim 1, it is characterised in that: by component A, B group
Point and component C press the proportioning paint of 20:2:1, wherein component A is prepared by following steps:
Step 1, by deionized water, dispersant, coalescents mixing, stirring, obtains mixture A；
Step 2, adds Rutile type titanium dioxide, nano barium sulfate, aqueous polyamide wax slurry, nanometer titanium dioxide in mixture A
Silicon dispersion, Hardening ceramic additive, stirring, it is ground to fineness and reaches below 20 μm, obtain mixture B；
Step 3, adds chain alkyl superhard aqueous PU resin, stirring in mixture B, obtains mixture C；
Step 4, adds to defoamer, wetting agent, levelling agent, aquosity ultraviolet light absorbent, antimildew disinfectant under agitation
In mixture C, dispersion, add nertralizer, to obtain final product.
The preparation method of the aqueous polyurethane coating of high rigidity the most according to claim 3, it is characterised in that: in step 1
Stirring condition is 300-400rpm, 5-10min.
The preparation method of the aqueous polyurethane coating of high rigidity the most according to claim 3, it is characterised in that: in step 2
Stirring condition is 400-600rpm, 5-10min.
The preparation method of the aqueous polyurethane coating of high rigidity the most according to claim 3, it is characterised in that: in step 3
Stirring condition is 400-600rpm, 15-20min.
The preparation method of the aqueous polyurethane coating of high rigidity the most according to claim 3, it is characterised in that: in step 4
Mixing speed is 400-600rpm, and dispersion condition is 400-600rpm, 15-20min.
The preparation method of the aqueous polyurethane coating of high rigidity the most according to claim 3, it is characterised in that: in step 2
Also need to add sodium polyacrylate 0.05-0.1 part.
The preparation method of the aqueous polyurethane coating of high rigidity the most according to claim 3, it is characterised in that: in step 4
Also need to add PAMC 0.05-0.1 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610747918.1A CN106280954A (en) | 2016-08-26 | 2016-08-26 | A kind of aqueous polyurethane coating of high rigidity and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610747918.1A CN106280954A (en) | 2016-08-26 | 2016-08-26 | A kind of aqueous polyurethane coating of high rigidity and preparation method thereof |
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| CN106280954A true CN106280954A (en) | 2017-01-04 |
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| CN201610747918.1A Pending CN106280954A (en) | 2016-08-26 | 2016-08-26 | A kind of aqueous polyurethane coating of high rigidity and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554104A (en) * | 2018-08-27 | 2019-04-02 | 成都虹润制漆有限公司 | A kind of aqueous thick-slurry type aliphatic polyurethane floor coatings and preparation method thereof |
| PL424615A1 (en) * | 2018-02-16 | 2019-08-26 | Dąbrowscy P. A. Usługowy Zakład Poligraficzny Bieldruk Spółka Jawna | Method for production of dispersion varnish intended for making varnish coatings with high resistance to ethereal oil effects |
| CN113897124A (en) * | 2021-08-25 | 2022-01-07 | 东莞市浩彩油墨科技有限公司 | Water-based coating for film coating, preparation method thereof and film coating method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
| CN104263233A (en) * | 2014-10-22 | 2015-01-07 | 江苏华夏制漆科技有限公司 | Temporary protection paint combination based on modified polyurethane and preparing method thereof |
| CN104342005A (en) * | 2014-10-22 | 2015-02-11 | 江苏华夏制漆科技有限公司 | Temporary protection coating composition and preparation method thereof |
| CN105255354A (en) * | 2015-10-08 | 2016-01-20 | 江苏华夏制漆科技有限公司 | Butanone-resistant water-borne acrylic polyurethane paint and preparing method thereof |
| CN105820738A (en) * | 2016-05-13 | 2016-08-03 | 厦门富思特新材料科技有限公司 | High-hardness two-component waterborne polyurethane floor paint and preparing method thereof |
-
2016
- 2016-08-26 CN CN201610747918.1A patent/CN106280954A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
| CN104263233A (en) * | 2014-10-22 | 2015-01-07 | 江苏华夏制漆科技有限公司 | Temporary protection paint combination based on modified polyurethane and preparing method thereof |
| CN104342005A (en) * | 2014-10-22 | 2015-02-11 | 江苏华夏制漆科技有限公司 | Temporary protection coating composition and preparation method thereof |
| CN105255354A (en) * | 2015-10-08 | 2016-01-20 | 江苏华夏制漆科技有限公司 | Butanone-resistant water-borne acrylic polyurethane paint and preparing method thereof |
| CN105820738A (en) * | 2016-05-13 | 2016-08-03 | 厦门富思特新材料科技有限公司 | High-hardness two-component waterborne polyurethane floor paint and preparing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL424615A1 (en) * | 2018-02-16 | 2019-08-26 | Dąbrowscy P. A. Usługowy Zakład Poligraficzny Bieldruk Spółka Jawna | Method for production of dispersion varnish intended for making varnish coatings with high resistance to ethereal oil effects |
| CN109554104A (en) * | 2018-08-27 | 2019-04-02 | 成都虹润制漆有限公司 | A kind of aqueous thick-slurry type aliphatic polyurethane floor coatings and preparation method thereof |
| CN113897124A (en) * | 2021-08-25 | 2022-01-07 | 东莞市浩彩油墨科技有限公司 | Water-based coating for film coating, preparation method thereof and film coating method |
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Application publication date: 20170104 |