CN108300291B - Exterior wall coating and preparation method and painting process thereof - Google Patents
Exterior wall coating and preparation method and painting process thereof Download PDFInfo
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- CN108300291B CN108300291B CN201810109136.4A CN201810109136A CN108300291B CN 108300291 B CN108300291 B CN 108300291B CN 201810109136 A CN201810109136 A CN 201810109136A CN 108300291 B CN108300291 B CN 108300291B
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
-
- 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
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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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the field of building coatings, and particularly relates to an exterior wall coating, a preparation method thereof and a painting process thereof. The exterior wall coating comprises the following components in parts by weight: 20.0-25.0 parts of organic silicon resin emulsion; 25.0-30.0 parts of acrylic polymer emulsion; 20.0-25.0 parts of pigment and filler; 0.1-1.0 part of a dispersing agent; 0.1-1.0 part of thickening agent; 3.0-5.0 parts of a film-forming assistant; 4.0-8.0 parts of a silane coupling agent; 0.5-1.0 part of hydrogenated castor oil; 10.0-20.0 parts of water. By adding a specific kind of auxiliary agent, particularly adding a silane coupling agent and hydrogenated castor oil; can obviously improve the stain resistance and the washing resistance of the coating.
Description
Technical Field
The invention belongs to the field of building coatings, and particularly relates to an exterior wall coating, a preparation method thereof and a painting process thereof.
Background
At present, the exterior wall coating adopted in China mainly takes acrylic emulsion as a base material, and the water-based acrylic coating has the advantages of moderate cost, excellent weather resistance, good adjustability, no organic solvent release and the like, and is a coating product which is developed rapidly in recent years. Although the paint has a plurality of advantages, the problem of poor stain resistance is still solved, a wall surface is easy to adhere with a lot of dust and dirt after the paint is used for a period of time, the paint is difficult to clean, and the paint needs to be applied again, so that face bricks or natural stones are frequently adopted as exterior wall decoration type building paints in some high-rise buildings and high-grade residential apartments at present, and the paint is contrary to the promotion of exterior wall use of non-ceramic decoration materials encouraged by the state, and the main reason is that the popularization and application of the environment-friendly exterior wall paint are severely restricted because of the problem of high stain resistance of the exterior wall paint.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the exterior wall coating, and a specific kind of auxiliary agents are added, particularly, a silane coupling agent and hydrogenated castor oil are added; can obviously improve the stain resistance and the washing resistance of the coating.
The invention provides an exterior wall coating which comprises the following components in parts by weight:
20.0-30.0 parts of organic silicon resin emulsion;
20.0-35.0 parts of acrylic polymer emulsion;
20.0-30.0 parts of pigment and filler;
0.1-2.0 parts of a dispersing agent;
0.1-3.0 parts of a thickening agent;
1.0-10.0 parts of a film-forming assistant;
4.0-10.0 parts of a silane coupling agent;
0.1-1.0 part of hydrogenated castor oil;
10.0-20.0 parts of water.
Preferably, the exterior wall coating comprises the following components in parts by weight:
20.0-25.0 parts of organic silicon resin emulsion;
25.0-30.0 parts of acrylic polymer emulsion;
20.0-25.0 parts of pigment and filler;
0.1-1.0 part of a dispersing agent;
0.1-1.0 part of thickening agent;
3.0-5.0 parts of a film-forming assistant;
4.0-8.0 parts of a silane coupling agent;
0.5-1.0 part of hydrogenated castor oil;
10.0-20.0 parts of water.
Preferably, the pigment and filler is mica powder, calcium carbonate or barium sulfate.
Preferably, the dispersant is polyphosphate or polyacrylic acid sodium salt.
Preferably, the thickener is hydroxyethyl cellulose, bentonite or xanthan gum.
Preferably, the coalescing agent is No. 200 solvent oil or dodecyl alcohol.
The invention also provides a preparation method of the exterior wall coating, which comprises the following steps:
(1) adding water and a thickening agent under stirring at the rotating speed of 200-500 rpm, and stirring for 1-5 min;
(2) regulating the rotating speed to 600-900 rpm, adding a dispersing agent, and stirring for 1-3 min;
(3) regulating the rotating speed to 1100-1400 rpm, adding the pigment and the filler, and stirring for 10-30 min;
(4) regulating the rotating speed to 600-900 rpm, adding the film forming assistant, the silane coupling agent and the hydrogenated castor oil, and stirring for 3 min;
(5) adding the organic silicon resin emulsion and the acrylic polymer emulsion, stirring for 10-15 min, and uniformly stirring to obtain a finished product.
The invention also provides a painting process of the exterior wall coating, which comprises the following steps:
(a) cleaning the wall surface substrate, and airing for 24 hours after cleaning;
(b) plastering the cleaned wall surface by using putty, wherein the plastering thickness is 0.9-1.1 mm, and airing for 24 hours after plastering is finished;
(c) painting the wall surface treated in the step (b) with primer, wherein the painting thickness is 0.9-1.1 mm, and airing for 24 hours after painting;
(d) and (c) painting the wall surface treated in the step (c) with the external wall paint, wherein the painting thickness is 0.9-1.1 mm, and airing for 24 hours after painting.
In the painting process, the type of the primer is silicone acrylic alkali-resistant primer, and the primer has good adhesive force with the wall surface.
Compared with the prior art, the invention has the following beneficial effects:
1. the film forming material is organic silicon resin emulsion and acrylic acid polymer emulsion, and the organic silicon resin emulsion has the characteristics of hydrophobicity, air permeability, weather resistance and the like; meanwhile, the acrylic acid polymer is contained, so that the acrylic acid emulsion has the characteristics of high adhesive force, uniform gloss, plump coating and the like.
2. By adding a specific kind of auxiliary agent, particularly adding a silane coupling agent and hydrogenated castor oil; can obviously improve the stain resistance and the washing resistance of the coating.
3. The preparation method of the exterior wall coating is simple to operate and convenient to implement, and the product prepared by the method has good uniformity, compatibility and the like and strong storage stability.
Detailed Description
The invention discloses an exterior wall coating, a preparation method thereof and a painting process, and a person skilled in the art can appropriately improve process parameters by referring to the contents. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The experimental procedures in the following examples are conventional unless otherwise specified. The reagents, equipments and raw materials used in the following examples are all commercially available and commercially available unless otherwise specified. Specific examples are carried out below, but the present invention is not limited to the following examples.
Example 1
1. The formula of the exterior wall coating provided by the invention comprises the following components in parts by weight: 25.0 parts of a silicone resin emulsion; 25.0 parts of acrylic polymer emulsion; mica powder is used as 20.0 parts of pigment and filler; 0.1 part of polyphosphate is taken as a dispersing agent; 1.0 part of hydroxyethyl cellulose as a thickening agent; dodecyl alcohol is taken as film forming additive 3.0 parts; 8.0 parts of a silane coupling agent; 1.0 part of hydrogenated castor oil; 10.0 parts of water.
2. The exterior wall coating prepared by the formula comprises the following steps:
(1) adding water and thickener under stirring at 200rpm, and stirring for 5 min;
(2) regulating the rotating speed to 600rpm, adding a dispersing agent, and stirring for 3 min;
(3) regulating the rotating speed to 1100rpm, adding the pigment and the filler, and stirring for 30 min;
(4) regulating the rotating speed to 600rpm, adding a film forming aid, a silane coupling agent and hydrogenated castor oil, and stirring for 3 min;
(5) adding the organic silicon resin emulsion and the acrylic polymer emulsion, stirring for 15min, and uniformly stirring to obtain a product 1.
Example 2:
1. the formula of the exterior wall coating provided by the invention comprises the following components in parts by weight: 20.0 parts of organic silicon resin emulsion; 30.0 parts of acrylic polymer emulsion; 25.0 parts of calcium carbonate as pigment and filler; taking 1.0 part of polyacrylic acid sodium salt as a dispersing agent; 0.1 part of bentonite as a thickening agent; no. 200 solvent oil is used as 5.0 parts of film forming additive; 4.0 parts of a silane coupling agent; 0.5 part of hydrogenated castor oil; water: 20.0 parts.
2. The exterior wall coating prepared by the formula comprises the following steps:
(1) adding water and thickener under stirring at 200rpm, and stirring for 5 min;
(2) regulating the rotating speed to 600rpm, adding a dispersing agent, and stirring for 3 min;
(3) regulating the rotating speed to 1100rpm, adding the pigment and the filler, and stirring for 30 min;
(4) regulating the rotating speed to 600rpm, adding a film forming aid, a silane coupling agent and hydrogenated castor oil, and stirring for 3 min;
(5) adding the organic silicon resin emulsion and the acrylic polymer emulsion, stirring for 15min, and uniformly stirring to obtain a product 2.
Example 3
The exterior wall coating prepared in the embodiment 1 is used for painting exterior walls, and the painting process comprises the following steps:
(a) cleaning the wall surface substrate, and airing for 24 hours after cleaning;
(b) plastering the cleaned wall surface by using putty, wherein the plastering thickness is 0.9-1.1 mm, and airing for 24 hours after plastering is finished;
(c) painting the wall surface treated in the step (b) with primer, wherein the painting thickness is 0.9-1.1 mm, and airing for 24 hours after painting;
(d) and (c) painting the wall surface treated in the step (c) with the product 1, wherein the painting thickness is 0.9-1.1 mm, and airing for 24 hours after painting.
Comparative example 1
1. The formula of the exterior wall coating provided by the invention comprises the following components in parts by weight:
25.0 parts of a silicone resin emulsion; 25.0 parts of acrylic polymer emulsion; mica powder is used as 20.0 parts of pigment and filler; 0.1 part of polyphosphate is taken as a dispersing agent; 1.0 part of hydroxyethyl cellulose as a thickening agent; 3.0 parts of dodecyl alcohol film-forming assistant; 1.0 part of hydrogenated castor oil; 10.0 parts of water.
2. The exterior wall coating prepared by the formula comprises the following steps:
(1) adding water and thickener under stirring at 200rpm, and stirring for 5 min;
(2) regulating the rotating speed to 600rpm, adding a dispersing agent, and stirring for 3 min;
(3) regulating the rotating speed to 1100rpm, adding the pigment and the filler, and stirring for 30 min;
(4) regulating the rotating speed to 600rpm, adding the film forming aid and hydrogenated castor oil, and stirring for 3 min;
(5) adding the organic silicon resin emulsion and the acrylic polymer emulsion, stirring for 15min, and uniformly stirring to obtain a comparative product 1.
Comparative example 2
1. The formula of the exterior wall coating provided by the invention comprises the following components in parts by weight: 25.0 parts of a silicone resin emulsion; 25.0 parts of acrylic polymer emulsion; mica powder is used as 20.0 parts of pigment and filler; 0.1 part of acid salt as a dispersant; 1.0 part of hydroxyethyl cellulose as a thickening agent; 3.0 parts of dodecyl alcohol film-forming assistant; 8.0 parts of a silane coupling agent; 10.0 parts of water.
2. The exterior wall coating prepared by the formula comprises the following steps:
(1) adding water and thickener under stirring at 200rpm, and stirring for 5 min;
(2) regulating the rotating speed to 600rpm, adding a dispersing agent, and stirring for 3 min;
(3) regulating the rotating speed to 1100rpm, adding the pigment and the filler, and stirring for 30 min;
(4) regulating the rotating speed to 600rpm, adding the film forming assistant and the silane coupling agent, and stirring for 3 min;
(5) adding the organic silicon resin emulsion and the acrylic polymer emulsion, stirring for 15min, and uniformly stirring to obtain a comparative product 2.
The product 1 and the product 2, and the comparative product 1 and the comparative product 2 are detected according to GB9755-2014, and the measured indexes are shown in the following table 1:
TABLE 1
As can be seen from Table 1, the stain resistance and scrub resistance of products 1 and 2 are significantly better than those of comparative products 1 and 2, thus illustrating that the exterior wall coating of the present invention is formed by adding a silane coupling agent and hydrogenated castor oil in a specific ratio; obviously improves the stain resistance and the washing resistance of the product.
The above embodiments are illustrative of the present invention, and those skilled in the art can modify or supplement the present invention.
Claims (8)
1. The exterior wall coating is characterized by comprising the following components in parts by weight:
20.0-30.0 parts of organic silicon resin emulsion;
20.0-35.0 parts of acrylic polymer emulsion;
20.0-30.0 parts of pigment and filler;
0.1-2.0 parts of a dispersing agent;
0.1-3.0 parts of a thickening agent;
1.0-10.0 parts of a film-forming assistant;
4.0-10.0 parts of a silane coupling agent;
0.1-1.0 part of hydrogenated castor oil;
10.0-20.0 parts of water.
2. The exterior wall coating of claim 1, comprising the following components in parts by weight:
20.0-25.0 parts of organic silicon resin emulsion;
25.0-30.0 parts of acrylic polymer emulsion;
20.0-25.0 parts of pigment and filler;
0.1-1.0 part of a dispersing agent;
0.1-1.0 part of thickening agent;
3.0-5.0 parts of a film-forming assistant;
4.0-8.0 parts of a silane coupling agent;
0.5-1.0 part of hydrogenated castor oil;
10.0-20.0 parts of water.
3. The exterior wall coating of claim 1 or 2, wherein the pigment and filler is mica powder, calcium carbonate or barium sulfate.
4. The exterior wall coating of claim 1 or 2, wherein the dispersant is polyphosphate or polyacrylate sodium salt.
5. The exterior wall coating of claim 1 or 2, wherein the thickener is hydroxyethyl cellulose, bentonite, or xanthan gum.
6. The exterior wall coating of claim 1 or 2, wherein the coalescing agent is 200 # solvent oil or dodecanol.
7. The method for preparing the exterior wall coating material of any one of claims 1 to 6, comprising the steps of:
(1) adding water and a thickening agent under stirring at the rotating speed of 200-500 rpm, and stirring for 1-5 min;
(2) regulating the rotating speed to 600-900 rpm, adding a dispersing agent, and stirring for 1-3 min;
(3) regulating the rotating speed to 1100-1400 rpm, adding the pigment and the filler, and stirring for 10-30 min;
(4) regulating the rotating speed to 600-900 rpm, adding the film forming assistant, the silane coupling agent and the hydrogenated castor oil, and stirring for 3 min;
(5) adding the organic silicon resin emulsion and the acrylic polymer emulsion, stirring for 10-15 min, and uniformly stirring to obtain a finished product.
8. A painting process for an exterior wall coating material according to any one of claims 1 to 6, comprising the steps of:
(a) cleaning the wall surface substrate, and airing for 24 hours after cleaning;
(b) plastering the cleaned wall surface by using putty, wherein the plastering thickness is 0.9-1.1 mm, and airing for 24 hours after plastering is finished;
(c) painting the wall surface treated in the step (b) with primer, wherein the painting thickness is 0.9-1.1 mm, and airing for 24 hours after painting;
(d) and (c) painting the wall surface treated in the step (c) with the external wall paint, wherein the painting thickness is 0.9-1.1 mm, and airing for 24 hours after painting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109136.4A CN108300291B (en) | 2018-02-05 | 2018-02-05 | Exterior wall coating and preparation method and painting process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109136.4A CN108300291B (en) | 2018-02-05 | 2018-02-05 | Exterior wall coating and preparation method and painting process thereof |
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| Publication Number | Publication Date |
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| CN108300291A CN108300291A (en) | 2018-07-20 |
| CN108300291B true CN108300291B (en) | 2020-04-10 |
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| CN201810109136.4A Active CN108300291B (en) | 2018-02-05 | 2018-02-05 | Exterior wall coating and preparation method and painting process thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358380A (en) * | 2019-04-24 | 2019-10-22 | 深圳市朗奥洁净科技股份有限公司 | Water paint |
| CN113956788A (en) * | 2021-10-22 | 2022-01-21 | 九江立帆科技有限公司 | Building wall coating and preparation method thereof |
| CN116200065B (en) * | 2022-11-18 | 2024-02-20 | 南京海配新材料有限公司 | Anti-settling paste for high-solid-content zinc-rich paint and preparation method thereof |
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| EP1134241A1 (en) * | 2000-03-14 | 2001-09-19 | Nissan Motor Company, Limited | Acrylic resin composition, painted-film molded resin plate using the same, and coating member for solar cell panel |
| JP2002121489A (en) * | 2000-10-13 | 2002-04-23 | Dynic Corp | Water repellent coating and water repellent film |
| CN101250376A (en) * | 2008-03-19 | 2008-08-27 | 汕头经济特区龙湖科技有限公司 | Silicone exterior wall paint and preparation method thereof |
| CN101629051A (en) * | 2009-08-10 | 2010-01-20 | 唐山市思远涂料有限公司 | Colorful concrete tile paint for building |
| CN102618136A (en) * | 2012-04-16 | 2012-08-01 | 廊坊立邦涂料有限公司 | Novel outer wall paint |
| CN107057490A (en) * | 2016-12-26 | 2017-08-18 | 沪宝新材料科技（上海）股份有限公司 | A kind of external wall elastic coating with reflective insulation effect and preparation method thereof |
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2018
- 2018-02-05 CN CN201810109136.4A patent/CN108300291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1134241A1 (en) * | 2000-03-14 | 2001-09-19 | Nissan Motor Company, Limited | Acrylic resin composition, painted-film molded resin plate using the same, and coating member for solar cell panel |
| JP2002121489A (en) * | 2000-10-13 | 2002-04-23 | Dynic Corp | Water repellent coating and water repellent film |
| CN101250376A (en) * | 2008-03-19 | 2008-08-27 | 汕头经济特区龙湖科技有限公司 | Silicone exterior wall paint and preparation method thereof |
| CN101629051A (en) * | 2009-08-10 | 2010-01-20 | 唐山市思远涂料有限公司 | Colorful concrete tile paint for building |
| CN102618136A (en) * | 2012-04-16 | 2012-08-01 | 廊坊立邦涂料有限公司 | Novel outer wall paint |
| CN107057490A (en) * | 2016-12-26 | 2017-08-18 | 沪宝新材料科技（上海）股份有限公司 | A kind of external wall elastic coating with reflective insulation effect and preparation method thereof |
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