CN108219634A - A kind of cracking resistance unsaturated polyester varnish and preparation method thereof - Google Patents
A kind of cracking resistance unsaturated polyester varnish and preparation method thereof Download PDFInfo
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- CN108219634A CN108219634A CN201711453584.8A CN201711453584A CN108219634A CN 108219634 A CN108219634 A CN 108219634A CN 201711453584 A CN201711453584 A CN 201711453584A CN 108219634 A CN108219634 A CN 108219634A
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- unsaturated polyester
- cracking resistance
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of cracking resistance unsaturated polyester varnish and preparation method thereof, cracking resistance unsaturated polyester varnishes, including following raw material according to the mass fraction：25 40 parts of unsaturated polyester resin, 5 10 parts of short oil modified alkyd resin, 0.1 1 parts of dispersant, 0.1 1 parts of antifoaming agent, 0.1 1 parts of levelling agent, 0.3 0.6 parts of aerosil, 40 60 parts of color stuffing, 5 30 parts of solvent.The flexibility of product of the present invention is preferable, and the release of internal stress is fast, reduces later stage problem of Cracking to the greatest extent.Relatively on the market PE is painted, and using tolerance more preferably, is very suitable for the ground that the Northeast's day and night temperature is big, and material is easily shunk, other performance is lower compared to market PE paint smells, and good to polish, plate face effect is good, and richness is good, and gloss is higher, and comprehensive performance is outstanding.
Description
Technical field
The present invention relates to a kind of unsaturated polyester varnish, particularly a kind of cracking resistance unsaturated polyester varnish, the invention further relates to
A kind of preparation method of cracking resistance unsaturated polyester varnish.
Background technology
In ripe Furniture manufacturing industry, centralized production degree is increasingly apparent, and the production shipment efficiency of furniture, which becomes, to be worked as
One of requirement index that lower numerous enterprises are pursued.It can be primary by the film of unsaturated polyester resin furniture lacquer (referred to as " PE paints ")
Property thickness apply film forming, painted on year-on-year basis using poly- ammonia paint (PU paints) or nitro (NC) and aqueous, the needs such as UV longer construction drying time
And repeatedly spraying polishing, primary thick apply of PE paints improve production efficiency, the shipment period are substantially reduced, so as to PE unsaturated polyester (UP)s
Paint the favor by furniture enterprise.
The curing of PE paints is anti-by initiator and free radical that accelerating agent participates in jointly by unsaturated polyester resin (UPR)
It should.Its paint film feature is that one-pass film-forming thickness is big, and surface-brightening, transparency are good, fillibility is excellent, richness is high, hardness is high, paint film
It is more crisp, while there is good water resistance, solvent resistance, chemical resistance, and VOC content is very low, fully meet green
Environmentally friendly demand, therefore unsaturated polyester resin is widely used in the external coating of all kinds of medium-to-high grade wood furnitures.
The crosslinking of UPR is the nucleation process of many unit coalescences, and the heart is shunk each unit thereto, when surface and polymer
All stress successive eliminations in center, polymer generate shrinkage phenomenon.In the application of PE paints, unsaturated polyester resin (UPR) adds
Dosage is small, and filling powder amount is excessive so that internal stress cannot be eliminated in time after PUR reactions, in addition the small toughness of resin content is insufficient, do
Film easily cracks in the later stage since internal stresses release generates excess shrinkage.Particularly PE based white primers, color stuffing is more, film forming
Object is less, be easy to cause cracking phenomena.Therefore, it is necessary to research and develop a kind of crack resistence type unsaturated polyester varnish, increase paint film toughness, carry
Release property early period of high internal stress, prevents the based white primer later stage from paint film cracking problem occur.
Invention content：
It is an object of the invention to overcome the painting film toughness of conventional PE unsaturated polyester (UP)s product insufficient, thickness applies easy to crack lack
It falls into, the PE paints that a adaptation difference variation is big, construction tolerance is high is provided.
The present invention uses following technical scheme：
A kind of cracking resistance unsaturated polyester varnish, including following raw material according to the mass fraction：Unsaturated polyester resin 25-40
Part, 5-10 parts of short oil modified alkyd resin, 0.1-1 parts of dispersant, 0.1-1 parts of antifoaming agent, 0.1-1 parts of levelling agent, gas phase dioxy
0.3-0.6 parts of SiClx, 40-60 parts of color stuffing, 5-30 parts of solvent.
Preferably, the dispersant is EFKA4010；The antifoaming agent is EFKA2720；The levelling agent is BYK358N.
Preferably, the color stuffing includes pigment and filler, and the pigment is titanium dioxide；The filler is 800 mesh talcums
The mixture of powder, zinc stearate and calcium carbonate.
Preferably, the solvent be ethyl acetate, toluene, styrene, acetone, dimethyl carbonate, smart methyl esters one kind or
It is several.
A kind of preparation method of cracking resistance unsaturated polyester varnish, includes the following steps：
(1) after mixing unsaturated polyester resin, short oil modified alkyd resin, dispersant and antifoaming agent, in 800-
1000r/min is dispersed with stirring 5-10min；
(2) aerosil and color stuffing are added in, 15-20min is dispersed with stirring under 1500-2000r/min；
(3) after fineness plate detects fineness≤55 μm, solvent, levelling agent are added, the stirring point under 500-800r/min
5-15min is dissipated to get cracking resistance unsaturated polyester varnish.
In work progress, accelerating agent, initiator and diluent are added in cracking resistance unsaturated polyester varnish, is sprayed and painted on base material
Upper drying and forming-film.
Beneficial effects of the present invention：The flexibility of product is preferable, and the release of internal stress is fast, reduces the later stage to the greatest extent and opens
Split problem.Relatively on the market PE is painted, and using tolerance more preferably, is very suitable for that the Northeast's day and night temperature is big, and material is easily received
The ground of contracting.Other than flexibility is good, other performance is lower compared to market PE paint smells, and good to polish, plate face effect is good, plentiful
It spends, gloss is higher, and comprehensive performance is outstanding.
Description of the drawings
The film schematic diagram of the existing unsaturated polyester varnish sample 1 in Fig. 1 markets.
The film schematic diagram of cracking resistance unsaturated polyester varnish prepared by Fig. 2 embodiments 3.
The film schematic diagram of cracking resistance unsaturated polyester varnish prepared by Fig. 3 embodiments 2.
Specific embodiment
With reference to specific embodiment, the present invention is described further.
Embodiment 1：
Cracking resistance unsaturated polyester (UP) raw materials for varnish:35 parts of unsaturated polyester resin, 5 parts of short oil modified alkyd resin, dispersant
0.2 part, 0.3 part of antifoaming agent, 0.5 part of aerosil, 8 parts of titanium dioxide, 2 parts of zinc stearate, 20 parts of talcum powder, calcium carbonate 20
Part, 0.2 part of levelling agent, 3 parts of styrene, 5 parts of ethyl acetate.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) after mixing unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, under 800r/min
Disperse 5min；
(2) addition aerosil, titanium dioxide, talcum powder, calcium carbonate, zinc stearate disperse under 1500r/min
20min；
(3) after fineness plate detects fineness≤55 μm, levelling agent, styrene and ethyl acetate are added in, under 800r/min
Dispersion 5min is uniformly dispersed and can obtain unsaturated polyester varnish 1#.
During construction, unsaturated polyester varnish 1# obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are drawn
After sending out agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Embodiment 2
Cracking resistance unsaturated polyester (UP) raw materials for varnish:30 parts of unsaturated polyester resin, 10 parts of short oil modified alkyd resin, dispersant
0.2 part, 0.3 part of antifoaming agent, 0.5 part of aerosil, 8 parts of titanium dioxide, 2 parts of zinc stearate, 30 parts of talcum powder, calcium carbonate 15
Part, 0.2 part of levelling agent, 3 parts of styrene, 5 parts of ethyl acetate.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) after mixing unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, under 800r/min
Disperse 5min；
(2) aerosil, titanium dioxide, talcum powder, calcium carbonate, zinc stearate are added in, is disperseed under 1500r/min
20min；
(3) after fineness plate detects fineness≤55 μm, levelling agent, styrene, ethyl acetate are added in, is divided under 800r/min
5min is dissipated, unsaturated polyester varnish 2# can be obtained by being uniformly dispersed.
During construction, unsaturated polyester varnish 2# obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are drawn
After sending out agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Embodiment 3
Cracking resistance unsaturated polyester (UP) raw materials for varnish:40 parts of unsaturated polyester resin, 10 parts of short oil modified alkyd resin, dispersant
0.2 part, 0.3 part of antifoaming agent, 0.5 part of aerosil, 8 parts of titanium dioxide, 2 parts of zinc stearate, 10 parts of talcum powder, calcium carbonate 35
Part, 0.2 part of levelling agent, 3 parts of styrene, 5 parts of ethyl acetate.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) by unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, disperse under 800r/min
5min；
(2) add in aerosil, titanium dioxide, talcum powder, calcium carbonate TD-230, zinc stearate, in 1500r/min
Lower dispersion 20min；
(3) after fineness plate detects fineness≤55 μm, levelling agent, styrene, ethyl acetate are added in, in lower point of 800r/min
Scattered 5min, which is uniformly dispersed, can obtain unsaturated polyester varnish 3#.
During construction, unsaturated polyester varnish 3# obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are drawn
After sending out agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Embodiment 4
Cracking resistance unsaturated polyester (UP) raw materials for varnish:25 parts of unsaturated polyester resin, 8 parts of short oil modified alkyd resin, dispersant
0.1 part, 1 part of antifoaming agent, 0.6 part of aerosil, 10 parts of titanium dioxide, 5 parts of zinc stearate, 15 parts of talcum powder, calcium carbonate 30
Part, 0.1 part of levelling agent, 3 parts of styrene, 2 parts of ethyl acetate.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) by unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, disperse under 1000r/min
8min；
(2) add in aerosil, titanium dioxide, talcum powder, calcium carbonate TD-230, zinc stearate, in 1800r/min
Lower dispersion 15min；
(3) after fineness plate detects fineness≤55 μm, levelling agent, styrene, ethyl acetate are added in, in lower point of 500r/min
Scattered 15min, which is uniformly dispersed, can obtain unsaturated polyester varnish.
During construction, unsaturated polyester varnish obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are caused
After agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Embodiment 5
Cracking resistance unsaturated polyester (UP) raw materials for varnish:40 parts of unsaturated polyester resin, 10 parts of short oil modified alkyd resin, dispersant
1 part, 0.1 part of antifoaming agent, 0.3 part of aerosil, 8 parts of titanium dioxide, 2 parts of zinc stearate, 10 parts of talcum powder, calcium carbonate 20
Part, 1 part of levelling agent, 10 parts of styrene, 20 parts of ethyl acetate.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) by unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, disperse under 900r/min
10min；
(2) add in aerosil, titanium dioxide, talcum powder, calcium carbonate TD-230, zinc stearate, in 2000r/min
Lower dispersion 18min；
(3) after fineness plate detects fineness≤55 μm, levelling agent, styrene, ethyl acetate are added in, in lower point of 600r/min
Scattered 10min, which is uniformly dispersed, can obtain unsaturated polyester varnish.
During construction, unsaturated polyester varnish obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are caused
After agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Embodiment 6
Cracking resistance unsaturated polyester (UP) raw materials for varnish:40 parts of unsaturated polyester resin, 10 parts of short oil modified alkyd resin, dispersant
1 part, 0.1 part of antifoaming agent, 0.3 part of aerosil, 8 parts of titanium dioxide, 2 parts of zinc stearate, 10 parts of talcum powder, calcium carbonate 20
Part, 1 part of levelling agent, 30 parts of acetone.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) by unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, disperse under 900r/min
10min；
(2) add in aerosil, titanium dioxide, talcum powder, calcium carbonate TD-230, zinc stearate, in 2000r/min
Lower dispersion 18min；
(3) after fineness plate detects fineness≤55 μm, levelling agent, acetone are added in, 10min dispersions are disperseed under 600r/min
Unsaturated polyester varnish can uniformly be obtained.
During construction, unsaturated polyester varnish obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are caused
After agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Embodiment 7
Cracking resistance unsaturated polyester (UP) raw materials for varnish:40 parts of unsaturated polyester resin, 10 parts of short oil modified alkyd resin, dispersant
1 part, 0.1 part of antifoaming agent, 0.3 part of aerosil, 8 parts of titanium dioxide, 2 parts of zinc stearate, 10 parts of talcum powder, calcium carbonate 20
Part, 1 part of levelling agent, 5 parts of styrene, 5 parts of acetone, 10 parts of dimethyl carbonate, smart 10 parts of methyl esters.
The preparation process of cracking resistance unsaturated polyester varnish：
(1) by unsaturated polyester resin, short oil modified alkyd resin, dispersant, antifoaming agent, disperse under 900r/min
10min；
(2) add in aerosil, titanium dioxide, talcum powder, calcium carbonate TD-230, zinc stearate, in 2000r/min
Lower dispersion 18min；
(3) after fineness plate detects fineness≤55 μm, addition levelling agent, styrene, acetone, dimethyl carbonate, smart methyl esters,
Dispersion 10min, which is uniformly dispersed, under 600r/min can obtain unsaturated polyester varnish.
During construction, unsaturated polyester varnish obtained above and long wind EC-6 accelerating agents, Akzo Nobel T-75 are caused
After agent and diluent mixing, it is sprayed and painted on drying and forming-film on base material.
Host agent 1#~3# prepared by embodiment 1-3 and the existing unsaturated polyester varnish sample 1 in market, sample 2 are done into performance test
Comparison, it is as a result as follows：
Test result shows that the performance of unsaturated polyester varnish prepared by the present invention is substantially better than the existing sample in market, especially
It is 2# crack resistence unsaturated polyester varnishes, flexibility is strong, and crack resistence index is high, and rate of drying is fast, and sanding property is good.
The film schematic diagram of the existing unsaturated polyester varnish sample 1 in Fig. 1 markets.Cracking resistance unsaturation prepared by Fig. 2 embodiments 3 is gathered
The film schematic diagram of ester paint.The film schematic diagram of cracking resistance unsaturated polyester varnish prepared by Fig. 3 embodiments 2.It is compared by attached drawing 1-3
Show that unsaturated polyester varnish crack resistence index prepared by the present invention is high, it is with obvious effects.
The present invention is modified using allyl ether and short oil alkyd resin and improves dry speed and toughness, in conjunction with sheet powder and ball
Shape powder 2:1 collocation significantly increases the release of solvent and internal stress, not only prevents the excellent of cracking, product
Smell is extremely low, drying property, sanding property and richness, and the comprehensive performances such as oil sense are equally good.It disclosure satisfy that winter north city
Difference variation is big, wood shrinkage and it is thick apply it is not dry etc. caused by cracking risk.Manufacturing process of the present invention is simple, of low cost,
Technology is applied and industrialization prospect is very wide.
Producer raw materials used in each embodiment and type information in specification：Unsaturated polyester resin is long Xinghua, Taiwan
Learn the 2309 of industrial (China) Co., Ltd, solid content 80%；Short oil modified alkyd resin is the REXIN1234 of SAPICI,
Solid content is 60%；Aerosil is the DM-10 on day Bender mountain；Dispersant is Qi Ba Chemical Co., Ltd.s of Switzerland
EFKA4010；Antifoaming agent is Qi Ba Chemical Co., Ltd.s of Switzerland EFKA2720；Levelling agent is German Byk Chemie GmbH
BYK358N；Pigment is the R996 of Sichuan Lomon Group Co., Ltd；Filler is Shen Peng Chemical Co., Ltd.s of Foshan City
800 mesh talcum powder, the CV-A zinc stearates of Dongguan City Han Wei Science and Technology Co., Ltd. and Tai Di Science and Technology Ltd.s of Shenzhen
TD-230；Accelerating agent is the EC-6 of Changfeng Chemical Plant, Shanghai；Initiator is the T-75 of Akzo Nobel.
Above-described embodiment is merely illustrative of the technical solution of the present invention and is not intended to limit it, all without departing from the present invention
Any modification of spirit and scope or equivalent replacement should all cover the range in technical solution of the present invention.
Claims (5)
1. a kind of cracking resistance unsaturated polyester varnish, which is characterized in that including following raw material according to the mass fraction：Unsaturated polyester (UP)
25-40 parts of resin, 5-10 parts of short oil modified alkyd resin, 0.1-1 parts of dispersant, 0.1-1 parts of antifoaming agent, 0.1-1 parts of levelling agent,
0.3-0.6 parts of aerosil, 40-60 parts of color stuffing, 5-30 parts of solvent.
2. a kind of cracking resistance unsaturated polyester varnish according to claim 1, which is characterized in that the dispersant is
EFKA4010；The antifoaming agent is EFKA2720；The levelling agent is BYK358N.
3. a kind of cracking resistance unsaturated polyester varnish according to claim 1, which is characterized in that the color stuffing includes pigment
And filler, the pigment are titanium dioxide；The filler is the mixture of 800 mesh talcum powder, zinc stearate and calcium carbonate.
4. a kind of cracking resistance unsaturated polyester varnish according to claim 1, which is characterized in that the solvent is acetic acid second
Ester, toluene, styrene, acetone, dimethyl carbonate, smart methyl esters one or more.
5. such as the preparation method of any one of claim 1-4 cracking resistance unsaturated polyester varnishes, it is characterised in that including following step
Suddenly：
(1) after mixing unsaturated polyester resin, short oil modified alkyd resin, dispersant and antifoaming agent, in 800-1000r/min
It is dispersed with stirring 5-10min；
(2) aerosil and color stuffing are added in, 15-20min is dispersed with stirring under 1500-2000r/min；
(3) after fineness plate detects fineness≤55 μm, solvent, levelling agent is added, 5- is dispersed with stirring under 500-800r/min
15min is to get cracking resistance unsaturated polyester varnish.
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| CN201711453584.8A CN108219634A (en) | 2017-12-28 | 2017-12-28 | A kind of cracking resistance unsaturated polyester varnish and preparation method thereof |
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| CN201711453584.8A CN108219634A (en) | 2017-12-28 | 2017-12-28 | A kind of cracking resistance unsaturated polyester varnish and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810619A (en) * | 2019-01-25 | 2019-05-28 | 山东巴德士化工有限公司 | A kind of PE thickness applies crack resistence white background and preparation method thereof |
| CN116589889A (en) * | 2023-04-11 | 2023-08-15 | 苏州鑫新海运有限公司 | Wear-resistant and cracking-resistant paint for bottom coating of cargo ship and preparation process of wear-resistant and cracking-resistant paint |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756530A (en) * | 2013-12-19 | 2014-04-30 | 澳达树熊涂料(惠州)有限公司 | High-flexibility anti-cracking primer and preparation method thereof |
| CN104592867A (en) * | 2014-12-29 | 2015-05-06 | 英德市雅家涂料有限公司 | Anti-explosion type high-powder-content PE white primer and preparation method thereof |
| CN104592868A (en) * | 2014-12-30 | 2015-05-06 | 英德市雅家涂料有限公司 | Anti-cracking PE white undercoat and preparation process thereof |
-
2017
- 2017-12-28 CN CN201711453584.8A patent/CN108219634A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756530A (en) * | 2013-12-19 | 2014-04-30 | 澳达树熊涂料(惠州)有限公司 | High-flexibility anti-cracking primer and preparation method thereof |
| CN104592867A (en) * | 2014-12-29 | 2015-05-06 | 英德市雅家涂料有限公司 | Anti-explosion type high-powder-content PE white primer and preparation method thereof |
| CN104592868A (en) * | 2014-12-30 | 2015-05-06 | 英德市雅家涂料有限公司 | Anti-cracking PE white undercoat and preparation process thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810619A (en) * | 2019-01-25 | 2019-05-28 | 山东巴德士化工有限公司 | A kind of PE thickness applies crack resistence white background and preparation method thereof |
| CN116589889A (en) * | 2023-04-11 | 2023-08-15 | 苏州鑫新海运有限公司 | Wear-resistant and cracking-resistant paint for bottom coating of cargo ship and preparation process of wear-resistant and cracking-resistant paint |
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Application publication date: 20180629 |
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