CN107502174A - A kind of water-based PU elastic coatings and preparation method thereof - Google Patents
A kind of water-based PU elastic coatings and preparation method thereof Download PDFInfo
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- CN107502174A CN107502174A CN201710893592.8A CN201710893592A CN107502174A CN 107502174 A CN107502174 A CN 107502174A CN 201710893592 A CN201710893592 A CN 201710893592A CN 107502174 A CN107502174 A CN 107502174A
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- water
- elastic coatings
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- elastic
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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
- C09D175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a kind of water-based PU elastic coatings and preparation method thereof, it includes following component materials：Aqueous polyester resin, water-dispersion type PCDL, dispersant, flatting silica, wetting agent, levelling agent, organic cosolvent, anti-settling agent, polyurethane particulate, ammonia nertralizer, water dispersed isocyanate；The present invention overcomes shortcoming and defect present in prior art, water-based PU elastic coatings VOC content is less than 150g/L, 60%~70% is reduced than conventional solvent PU elastic coatings, reduce the pollutant emission of enterprise, after water-based PU elastic coatings are dried, film coated surface feel silk is slided, and elasticity is preferably, water-resistance property of coating, ethanol-tolerant, physical and chemical performance are excellent, pass through cosmetics coating coherent detection standard.
Description
Technical field
The present invention relates to a kind of water-based PU elastic coatings and preparation method thereof, belong to cosmetic technical field.
Background technology
In existing production technology, cosmetics ABS substrate is more using the method for solvent-borne type PU elastic coatings spraying, solvent-borne type PU
Elastic coating VOC (volatilization physical property organic compound) content is 500~600g/L, and organic solvent content is higher, pollutant emission
Greatly.
The content of the invention
It is an object of the invention to overcome shortcoming and defect present in prior art, to reach above-mentioned purpose, this hair
First technical scheme of bright use be：A kind of water-based PU elastic coatings, including component A, B component, the component A include as follows
Component is by weight percentage：Aqueous polyester resin 40~55%, water-dispersion type PCDL 10~15%, dispersant 1
~2%, flatting silica 5~7%, wetting agent 0.5~1%, levelling agent 0.5~1%, organic cosolvent 5~10%, anti-settling agent 1~
2%, polyurethane particulate 2~5%, pure water 10~20%, ammonia nertralizer 0.5~1%.
Preferably technical scheme is：The B component includes following component by weight percentage：Water dispersed isocyanate 75
~80%, pure water 20~25%.
Second technical scheme that the present invention uses be：A kind of preparation method of water-based PU elastic coatings, including following step
Suddenly：
Component A
The first step：Clean container is taken, water-dispersion type PCDL is added, is slowly added to pure water, stirs, moisture is made
Type PCDL semi-finished product are dissipated, it is standby after filtering；
Second step：Take clean container, add aqueous polyester resin, under stirring, sequentially add dispersant, anti-settling agent,
Organic cosolvent, stirring；
3rd step：Under stirring, flatting silica, polyurethane particulate are slowly sequentially added, is stirred；
4th step：Under stirring, water-dispersion type PCDL semi-finished product made of the first step are slowly added to, are stirred
Mix；
5th step：Levelling agent is slowly added to, is stirred；
6th step：Ammonia nertralizer is added, pH value is adjusted, stirring, is packed after filtering；
B component
7th step：Clean container is taken, water-dispersion type PIC is added, is slowly added to pure water, stirs, is wrapped after filtering
Dress；
8th step：Elastic coating mixing match component A: B component: pure water=5: 1: 0.5~1.
Preferably technical scheme is：The environment temperature of the first step to the 8th step is 15~35 DEG C.
Preferably technical scheme is：The first step, the 6th step and the 7th step pre-filtering chamber temperature stand at least 30 minutes, mistake
300 mesh filter screens of filter.
Preferably technical scheme is：800 revs/min of the first step and the 7th step mixing speed, mixing time 10~15
Minute.
Preferably technical scheme is：The second step, the 4th step, the 5th step and the 6th step, 500 revs/min of mixing speed,
Mixing time 5~10 minutes.
Preferably technical scheme is：3rd step first with 1000 revs/min of rotating speed, stirs 90~120 minutes, after to turn
300 revs/min of speed, stir 10~15 minutes.
Preferably technical scheme is：The PU elastic coatings are sprayable in cosmetics ABS substrate, and physics is formed after drying
The excellent film of chemical property.
Because above-mentioned technical proposal is used, the present invention has following advantages：
Water-based PU elastic coatings substitute existing solvent-borne type PU elastic coatings, and water-based PU elastic coatings VOC content is less than 150g/
L, VOC reduce by 60%~70% than conventional solvent PU elastic coatings, reduce the pollutant emission of enterprise, water-based PU elastic coatings are done
After dry, film coated surface feel silk is slided, and preferably, water-resistance property of coating, ethanol-tolerant, physical and chemical performance are excellent, pass through cosmetics for elasticity
Coating coherent detection standard.
Embodiment
Embodiment：The present invention provides a kind of water-based PU elastic coatings, and its component is corresponding by weight according to following different embodiments
Content proportioning is measured, refers to table 1：
Table 1：Component A
| Embodiment one | Embodiment two | Embodiment three | Example IV | |
| Aqueous polyester resin | 40 | 45 | 50 | 55 |
| Water-dispersion type PCDL | 15 | 15 | 12 | 10 |
| Pure water | 20 | 18 | 18 | 10 |
| Dispersant | 1 | 1.5 | 1 | 2 |
| Flatting silica | 6 | 7 | 5 | 5 |
| Anti-settling agent | 2 | 1.5 | 1 | 2 |
| Organic cosolvent | 9 | 7 | 6 | 10 |
| Wetting agent | 1 | 0.5 | 1 | 0.5 |
| Levelling agent | 1 | 1 | 0.5 | 0.5 |
| Special polyurethane particulate | 4 | 3 | 5 | 4 |
| Ammonia nertralizer | 1 | 0.5 | 0.5 | 1 |
Aqueous polyester resin uses Nanchang plumage stone science and technology PS2100B, and film has that curing rate is fast, the good advantage of elasticity；
Water-dispersion type PCDL uses Japanese Asahi Chemical Industry PCDX-103, compounds waterborne polyester PS-2100B, and it is attached to promote film
Put forth effort, water resistance, chemical-resistance；Special polyurethane particulate uses company C on day origin serial, after coating film forming, uniformly divides
Cloth film coated surface, there is provided apply the feel that film wire is slided；Flatting silica uses Japanese Dong Cao companies E-1011；Wetting agent is high using German enlightening
Company's T ego 280；Leveling auxiliary agent uses BYK companies BYK-347；Dispersant uses BYK companies BYK-190；Ammonia nertralizer uses
The modest DMAE of Hai Mingsi morals；Water dispersed isocyanate uses Japanese DIC companies DNW-5500.
Formula in above-described embodiment, its specific preparation method are：
Component A
The first step：Clean container is taken, 15~35 DEG C of environment temperature, water-dispersion type PCDL is added, with rotating speed 500
Under rev/min stirring, it is slowly added to pure water and is stirred 10~15 minutes for 800 revs/min with rotating speed, the poly- carbon of water-dispersion type is made
Acid esters glycol semi-finished product, it is standby after being filtered with 300 mesh filter screens after being stored at room temperature 30 minutes；
Second step：Take clean container, 15~35 DEG C of environment temperature, add aqueous polyester resin, with 500 revs/min of rotating speed
Dispersant, anti-settling agent, organic cosolvent is sequentially added under stirring to stir 5~10 minutes,
3rd step：Under stirring, flatting silica, polyurethane particulate are slowly sequentially added, 1000 revs/min with rotating speed of elder generation stirs
Mix 90~120 minutes, after stirred 10~15 minutes with 300 revs/min of rotating speed；
4th step：Under stirring, it is slowly added to the first step and water dispersible PCDL semi-finished product is made, with rotating speed
500 revs/min are stirred 5~10 minutes,
5th step：It is slow added into levelling agent, at 15~35 DEG C of temperature, with 500 revs/min of rotating speed, stirs 5~10 points
Clock,
6th step：It is eventually adding ammonia nertralizer and adjusts pH value to 7.5~8, at 15~35 DEG C of temperature, with 500 revs/min of rotating speed
Clock, stir 5~10 minutes, after coating, censorship is surveyed to after cooling down at room temperature, and coating is packed afterwards twice with 300 mesh filter screen filtrations.
B component
7th step：Clean container is taken, 15~35 DEG C of environment temperature, below 70%, addition water-dispersion type gathers different air humidity
Cyanate, under 500 revs/min of stirrings of rotating speed, to be slowly added to pure water, with 800 revs/min of rotating speed, stir 10~15 points
Clock, after being stored at room temperature 30 minutes, packed after being filtered with 300 mesh filter screens.
According to above-described embodiment and the water-based PU elastic coatings with reference to made from above-mentioned preparation method, according to proportioning component A: B
Component: pure water=5: after 1: 0.5~1 mixing, it is sprayed in cosmetics ABS substrate, film is made after baking oven force drying, is obtained
The performance parameter for obtaining film is shown in Table 2：
Table 2
Water-based PU elastic coatings VOC content is less than 150g/L, reduces by 60%~70% than conventional solvent PU elastic coatings, drop
The pollutant emission of low enterprise, after water-based PU elastic coatings are dried, film coated surface feel silk is slided, and elasticity is preferable, water-resistance property of coating,
Ethanol-tolerant, physical and chemical performance are excellent, pass through cosmetics coating coherent detection standard.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (9)
1. a kind of water-based PU elastic coatings, it is characterised in that including component A, B component, the component A includes following component by weight
Measure percentage：Aqueous polyester resin 40~55%, water-dispersion type PCDL 10~15%, dispersant 1~2%, disappear
Light powder 5~7%, wetting agent 0.5~1%, levelling agent 0.5~1%, organic cosolvent 5~10%, anti-settling agent 1~2%, poly- ammonia
Ester particulate 2~5%, pure water 10~20%, ammonia nertralizer 0.5~1%.
2. water-based PU elastic coatings according to claim 1, it is characterised in that the B component includes following component by weight
Measure percentage：Water dispersed isocyanate 75~80%, pure water 20~25%.
3. a kind of water-based PU elastic coatings preparation method as claimed in claim 2, it is characterised in that the preparation method includes
Following steps：
Component A
The first step：Clean container is taken, water-dispersion type PCDL is added, is slowly added to pure water, stirs, water-dispersion type is made
PCDL semi-finished product, it is standby after filtering；
Second step：Take clean container, add aqueous polyester resin, under stirring, sequentially add dispersant, anti-settling agent, organic
Cosolvent, stirring；
3rd step：Under stirring, flatting silica, polyurethane particulate are slowly sequentially added, is stirred；
4th step：Under stirring, water-dispersion type PCDL semi-finished product made of the first step are slowly added to, are stirred；
5th step：Levelling agent is slowly added to, is stirred；
6th step：Ammonia nertralizer is added, adjustment pH value to 7.5~8, stirring, is packed after filtering；
B component
7th step：Clean container is taken, water-dispersion type PIC is added, is slowly added to pure water, stirs, is packed after filtering；
8th step：Elastic coating mixing match component A: B component: pure water=5: 1: 0.5~1.
4. water-based PU elastic coatings preparation method according to claim 3, it is characterised in that the first step to the 8th step
Environment temperature be 15~35 DEG C.
5. water-based PU elastic coatings preparation method according to claim 3, it is characterised in that the first step, the 6th step
And the 7th step pre-filtering chamber temperature stand at least 30 minutes, filtering is with 300 mesh filter screens.
6. water-based PU elastic coatings preparation method according to claim 3, it is characterised in that the first step and the 7th step
800 revs/min of mixing speed, mixing time 10~15 minutes.
7. water-based PU elastic coatings preparation method according to claim 3, it is characterised in that the second step, the 4th step,
500 revs/min of 5th step and the 6th step mixing speed, mixing time 5~10 minutes.
8. water-based PU elastic coatings preparation method according to claim 3, it is characterised in that the 3rd step is first with rotating speed
1000 revs/min, stir 90~120 minutes, after with 300 revs/min of rotating speed, stir 10~15 minutes.
9. a kind of water-based PU elastic coatings described in claim 1, it is characterised in that the PU elastic coatings are sprayable to make up
In product ABS substrate, the film of physical chemistry function admirable is formed after drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893592.8A CN107502174B (en) | 2017-09-22 | 2017-09-22 | Water-based PU elastic coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893592.8A CN107502174B (en) | 2017-09-22 | 2017-09-22 | Water-based PU elastic coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107502174A true CN107502174A (en) | 2017-12-22 |
| CN107502174B CN107502174B (en) | 2020-06-30 |
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ID=60699882
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185908A (en) * | 2021-06-18 | 2021-07-30 | 河北三棵树涂料有限公司 | High-performance reflective heat-insulation water-based exterior wall elastic coating and preparation method thereof |
| CN114350237A (en) * | 2022-01-11 | 2022-04-15 | 广州亦盛环保科技有限公司 | Water-based steel wool-resistant wear-resistant coating and preparation method and construction method thereof |
| CN115651507A (en) * | 2022-11-18 | 2023-01-31 | 杭州立威化工涂料股份有限公司 | High-oil-stain-resistance elastic coating for notebook computer and use method thereof |
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| DE102014226785A1 (en) * | 2013-12-27 | 2015-07-02 | Asahi Kasei Chemicals Corporation | Polycarbonate-containing carbonate compounds |
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| CN1891774A (en) * | 2005-06-10 | 2007-01-10 | 拜尔材料科学股份公司 | Coating composition for scratch-resistant topcoats, containing oligocarbonates |
| CN101054431A (en) * | 2006-04-11 | 2007-10-17 | 拜尔材料科学股份公司 | Aqueous polyurethane dispersions with improved storage stability |
| CN102850502A (en) * | 2007-11-16 | 2013-01-02 | 旭化成化学株式会社 | Polycarbonate diol with ease of reaction stabilization |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185908A (en) * | 2021-06-18 | 2021-07-30 | 河北三棵树涂料有限公司 | High-performance reflective heat-insulation water-based exterior wall elastic coating and preparation method thereof |
| CN114350237A (en) * | 2022-01-11 | 2022-04-15 | 广州亦盛环保科技有限公司 | Water-based steel wool-resistant wear-resistant coating and preparation method and construction method thereof |
| CN114350237B (en) * | 2022-01-11 | 2022-12-23 | 广州亦盛环保科技有限公司 | Water-based steel wool-resistant wear-resistant coating and preparation method and construction method thereof |
| CN115651507A (en) * | 2022-11-18 | 2023-01-31 | 杭州立威化工涂料股份有限公司 | High-oil-stain-resistance elastic coating for notebook computer and use method thereof |
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| CN107502174B (en) | 2020-06-30 |
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