CN114686105A - Straw paint for building wall and preparation method thereof - Google Patents
Straw paint for building wall and preparation method thereof Download PDFInfo
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- CN114686105A CN114686105A CN202210342922.5A CN202210342922A CN114686105A CN 114686105 A CN114686105 A CN 114686105A CN 202210342922 A CN202210342922 A CN 202210342922A CN 114686105 A CN114686105 A CN 114686105A
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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
- C09D197/00—Coating compositions based on lignin-containing materials
- C09D197/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
A straw paint for building walls and a preparation method thereof are disclosed, wherein the straw paint comprises the following components in parts by weight: 30-50 parts of straw powder, 50-70 parts of loess powder, 20-40 parts of waterborne polyurethane resin, 20-30 parts of polyacrylate, 5-10 parts of starch, 6-12 parts of nano aluminum oxide, 4-6 parts of talcum powder, 6-10 parts of titanium dioxide, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-3 parts of preservative, 1-2 parts of film forming additive and 400 parts of water 300. The straw paint disclosed by the invention can form a paint surface shape with a dense local soil smell, can achieve a better decorative effect, and has excellent weather resistance.
Description
Technical Field
The invention belongs to the technical field of building wall paint, and particularly relates to straw paint for a building wall and a preparation method thereof.
Background
When the coating is applied to large buildings, the coating usually plays a role in decoration and protection, and can play a role in protecting and beautifying the buildings by being coated on the surface of a base material and forming a firmly attached continuous film material. With the pursuit of more and more special buildings for beauty, such as buildings with special significance like museums, higher requirements are put forward on the decorative effect of the coating, while the coating of the exterior wall of the building is coated on the surface of the exterior wall to form a coating, the coating plays a role in protection and beauty, and simultaneously, as the coating is exposed in the atmosphere and needs to be subjected to the actions of wind, sunlight, organisms, water, pollutants in the air and the like, the coating is easy to crack and even peel off, so that the coating loses the original decorative protection function, and the decoration beauty and weather resistance are difficult to be considered, therefore, how to prepare the coating with excellent decorative effect and weather resistance aiming at the special buildings is an urgent problem to be solved in the current building material industry.
Disclosure of Invention
The invention aims to provide straw paint for building walls and a preparation method thereof, wherein the straw paint has good decorative effect and weather resistance and can meet the requirements of special large-scale buildings.
The technical scheme adopted by the invention to solve the technical problems is as follows:
a straw paint for building walls comprises the following components in parts by weight: 30-50 parts of straw powder, 50-70 parts of loess powder, 20-40 parts of waterborne polyurethane resin, 20-30 parts of polyacrylate, 5-10 parts of starch, 6-12 parts of nano aluminum oxide, 4-6 parts of talcum powder, 6-10 parts of titanium dioxide, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-3 parts of preservative, 1-2 parts of film forming additive and 400 parts of water 300.
Further, the starch is one or more of rice starch, corn starch or potato starch.
Further, the dispersant is a polyacrylic ammonium salt dispersant 11244.
Further, the antifoaming agent is SN-DEFAOAMER 154S antifoaming agent of Santonopodaceae.
Further, the titanium dioxide is DuPont R-706.
Further, the preservative is an organic acid preservative.
Further, the film forming aid is dodecyl alcohol ester.
A preparation method of straw paint for building walls comprises the following steps:
(1) pulverizing dried loess, sieving with 80-100 mesh sieve, calcining at 750 deg.C for 1-2 hr at 600-;
(2) crushing dried straw stalks into particles of 2-4mm, soaking the particles in 12-15% caustic soda solution for 6-8h, then putting the particles into 8-12% NaClO solution, stirring the solution for 1-2h, filtering the solution, washing the solution with water, and drying the solution to obtain straw stalk powder for later use;
(3) taking straw powder, loess powder and starch in water according to a formula, boiling for 30-60min under a stirring state, cooling to room temperature, sequentially adding waterborne polyurethane resin and polyacrylate, stirring for 20-40min at a stirring speed of 800 plus one liter/min, then sequentially adding nano alumina, talcum powder, titanium dioxide, a dispersing agent, a defoaming agent and a preservative, and stirring for 40-60min at a stirring speed of 300-400 r/min to obtain the straw paint for the building wall.
The invention has the beneficial effects that:
1. the straw paint for building walls disclosed by the invention is prepared by taking the loess powder and the straw powder as important raw materials, is low in raw material cost, is favorable for forming a paint surface shape with strong local soil smell, can play a good decoration effect for buildings such as museums, and the like, and the waterborne polyurethane resin, the polyacrylate and the nano alumina are adsorbed on the loess powder and the straw powder to obtain the overall weather resistance of the straw paint.
2. According to the straw paint for building walls, the loess powder is calcined at high temperature, so that VOC in the loess powder can be removed, the environment friendliness of the straw paint is improved, carbonate contained in loess can be calcined, a certain amount of overhead gaps are added, sufficient space is provided for adsorption of nano aluminum oxide, the nano aluminum can form a compact net structure in the straw paint more uniformly through a stirring and dispersing process, and the weather resistance of the straw paint is improved.
3. In the straw paint for the building wall, the straw is treated by caustic soda and sodium hypochlorite, so that the bonding capacity with the waterborne polyurethane resin is improved, and the service life of the paint is prolonged.
Detailed Description
A straw paint for building walls comprises the following components in parts by weight: 30-50 parts of straw powder, 50-70 parts of loess powder, 20-40 parts of waterborne polyurethane resin, 20-30 parts of polyacrylate, 5-10 parts of starch, 6-12 parts of nano aluminum oxide, 4-6 parts of talcum powder, 6-10 parts of titanium dioxide, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-3 parts of preservative, 1-2 parts of film forming additive and 400 parts of water 300.
The starch is one or more of rice starch, corn starch or potato starch.
The dispersant is polyacrylic ammonium salt dispersant 11244.
The DEFOAMER is SN-DEFAOAMER 154S DEFOAMER in Santanoploaceae.
The titanium dioxide is selected from DuPont R-706.
The preservative is an organic acid preservative.
The film-forming assistant is dodecyl alcohol ester.
The preparation method of the straw paint for the building wall comprises the following steps:
(1) pulverizing dried loess, sieving with 80-100 mesh sieve, calcining at 750 deg.C for 1-2 hr at 600-;
(2) crushing dried straw stalks into particles of 2-4mm, soaking the particles in 12-15% caustic soda solution for 6-8h, then putting the particles into 8-12% NaClO solution, stirring the solution for 1-2h, filtering the solution, washing the solution with water, and drying the solution to obtain straw stalk powder for later use;
(3) taking straw powder, loess powder and starch in water according to a formula, boiling for 30-60min under a stirring state, cooling to room temperature, sequentially adding waterborne polyurethane resin and polyacrylate, stirring for 20-40min at a stirring speed of 800 plus one liter/min, then sequentially adding nano alumina, talcum powder, titanium dioxide, a dispersing agent, a defoaming agent and a preservative, and stirring for 40-60min at a stirring speed of 300-400 r/min to obtain the straw paint for the building wall.
Example 1:
a straw paint for building walls comprises the following components in parts by weight: 30 parts of straw powder, 50 parts of loess powder, 20 parts of waterborne polyurethane resin, 20 parts of polyacrylate, 5 parts of rice starch, 6 parts of nano-alumina, 4 parts of talcum powder, 6 parts of titanium dioxide, 3 parts of a dispersing agent, 1 part of a defoaming agent, 1 part of a preservative, 1 part of a film-forming assistant and 300 parts of water.
The preparation method comprises the following steps:
(1) pulverizing dried loess, sieving with 80-100 mesh sieve, calcining at 600 deg.C for 1 hr, and cooling to room temperature to obtain loess powder.
(2) Crushing the dried straw stalks into particles of 2-4mm, soaking the particles in 12% caustic soda solution for 6 hours, then putting the particles into 8% NaClO solution, stirring the solution for 1 hour, filtering the solution, washing the solution with water, and drying the solution to obtain the straw stalk powder for later use.
(3) Taking straw powder, loess powder and starch in water according to a formula, boiling for 30min under a stirring state, cooling to room temperature, sequentially adding waterborne polyurethane resin and polyacrylate, stirring for 20min at a stirring speed of 800 r/min, then sequentially adding nano-alumina, talcum powder, titanium dioxide, a dispersing agent, an antifoaming agent and a preservative, and stirring for 40min at a stirring speed of 300r/min to obtain the straw paint for the building wall.
Example 2:
a straw paint for building walls comprises the following components in parts by weight: 40 parts of straw powder, 60 parts of loess powder, 30 parts of waterborne polyurethane resin, 25 parts of polyacrylate, 7 parts of corn starch, 9 parts of nano-alumina, 5 parts of talcum powder, 8 parts of titanium dioxide, 4 parts of dispersing agent, 2 parts of defoaming agent, 2 parts of preservative, 1 part of film-forming assistant and 350 parts of water.
The preparation method comprises the following steps:
(1) pulverizing dried loess, sieving with 80-100 mesh sieve, calcining at 680 deg.C for 1 hr, and cooling to room temperature to obtain loess powder.
(2) Crushing the dried straw stalks into particles of 2-4mm, soaking the particles in a 14% caustic soda solution for 7 hours, then putting the particles in a 10% NaClO solution, stirring the solution for 1 hour, filtering the solution, washing the solution with water, and drying the solution to obtain the straw stalk powder for later use.
(3) Taking straw powder, loess powder and starch in water according to a formula, boiling for 45min under a stirring state, cooling to room temperature, sequentially adding waterborne polyurethane resin and polyacrylate, stirring for 30min at a stirring speed of 900 r/min, then sequentially adding nano-alumina, talcum powder, titanium dioxide, a dispersing agent, an antifoaming agent and a preservative, and stirring for 50min at a stirring speed of 350r/min to obtain the straw paint for the building wall.
Example 3:
the straw paint for building walls comprises the following components in parts by weight: 50 parts of straw powder, 70 parts of loess powder, 40 parts of waterborne polyurethane resin, 30 parts of polyacrylate, 10 parts of starch, 12 parts of nano-alumina, 6 parts of talcum powder, 10 parts of titanium dioxide, 5 parts of dispersant, 3 parts of defoamer, 3 parts of preservative, 2 parts of film-forming assistant and 400 parts of water.
The preparation method comprises the following steps:
(1) pulverizing dried loess, sieving with 80-100 mesh sieve, calcining at 750 deg.C for 2 hr, and cooling to room temperature to obtain loess powder.
(2) Crushing the dried straw stalks into particles of 2-4mm, soaking the particles in 15% caustic soda solution for 8 hours, then putting the particles into 12% NaClO solution, stirring the solution for 2 hours, filtering the solution, washing the solution with water, and drying the solution to obtain the straw stalk powder for later use.
(3) Taking straw powder, loess powder and starch in water according to a formula, boiling for 60min under a stirring state, cooling to room temperature, sequentially adding waterborne polyurethane resin and polyacrylate, stirring for 40min at a stirring speed of 1000 r/min, then sequentially adding nano-alumina, talcum powder, titanium dioxide, a dispersing agent, a defoaming agent and a preservative, and stirring for 60min at a stirring speed of 400r/min to obtain the straw paint for the building wall.
Respectively coating the straw paints prepared in the embodiments 1, 2 and 3 on a sample plate, curing for 7 days, and performing performance tests, wherein the adhesive force is performed according to GB/T1720-2020, the impact resistance is performed according to GB/T1732-2020, the weather resistance is performed according to GB/T1767-1979, and the corrosion resistance is performed according to GB/T1771-2007, the drying time is performed according to GB/T1728-2020, the VOC content is performed according to GB/T23986, each performance of the obtained straw paints meets the technical index, and the test results of each performance are respectively as follows:
the straw paint disclosed by the invention is excellent in adhesive force, impact resistance, weather resistance, corrosion resistance, VOC content and the like, is applied to coating of a museum in a two-lining historical site, the appearance of the paint surface is thick natural local soil for integral decoration, and various performances of a paint film are good.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.
Claims (8)
1. The straw paint for the building wall is characterized by comprising the following components in parts by weight: 30-50 parts of straw powder, 50-70 parts of loess powder, 20-40 parts of waterborne polyurethane resin, 20-30 parts of polyacrylate, 5-10 parts of starch, 6-12 parts of nano aluminum oxide, 4-6 parts of talcum powder, 6-10 parts of titanium dioxide, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-3 parts of preservative, 1-2 parts of film forming additive and 400 parts of water 300.
2. A straw paint for construction walls as claimed in claim 1, wherein the starch is one or more of rice starch, corn starch or potato starch.
3. The straw paint for building walls as claimed in claim 1, wherein the dispersant is polyacrylic ammonium salt dispersant 11244.
4. A straw paint for construction walls as claimed in claim 1, wherein the antifoaming agent is sanopulacco SN-defaoamer 154S antifoaming agent.
5. The straw paint for building walls as claimed in claim 1, wherein said titanium dioxide is selected from dupont R-706.
6. The straw paint for construction walls according to claim 1, wherein the preservative is an organic acid preservative.
7. The straw paint for construction walls according to claim 1, wherein the film forming aid is a dodecanol ester.
8. A method for preparing straw paint for construction wall as claimed in any one of claims 1 to 7, comprising the steps of:
(1) crushing dry loess, sieving with a 80-100 mesh sieve, calcining at 600-750 ℃ for 1-2h, and cooling to room temperature to obtain loess powder for later use;
(2) crushing dried straw stalks into particles of 2-4mm, soaking the particles in 12-15% caustic soda solution for 6-8h, then putting the particles into 8-12% NaClO solution, stirring the solution for 1-2h, filtering the solution, washing the solution with water, and drying the solution to obtain straw stalk powder for later use;
(3) taking straw powder, loess powder and starch in water according to a formula, boiling for 30-60min under a stirring state, cooling to room temperature, sequentially adding waterborne polyurethane resin and polyacrylate, stirring for 20-40min at a stirring speed of 800 plus one liter/min, then sequentially adding nano alumina, talcum powder, titanium dioxide, a dispersing agent, a defoaming agent and a preservative, and stirring for 40-60min at a stirring speed of 300-400 r/min to obtain the straw paint for the building wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210342922.5A CN114686105A (en) | 2022-04-02 | 2022-04-02 | Straw paint for building wall and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210342922.5A CN114686105A (en) | 2022-04-02 | 2022-04-02 | Straw paint for building wall and preparation method thereof |
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| CN114686105A true CN114686105A (en) | 2022-07-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291837A (en) * | 2006-03-29 | 2007-11-08 | Aica Kogyo Co Ltd | Aqueous paint material composition, its construction method, and wall structure by the same |
| CN107033639A (en) * | 2017-04-12 | 2017-08-11 | 湖南漆雕氏制造股份有限公司 | A kind of mineral coating and preparation method thereof |
| CN107083155A (en) * | 2017-06-01 | 2017-08-22 | 南京市雨花台区绿宝工业设计服务中心 | One kind building composite coating and preparation method thereof |
| CN109456686A (en) * | 2017-09-05 | 2019-03-12 | 张家港市杨舍丝印工艺厂 | A kind of preparation method of aluminium oxide-polyurethane composite coating |
| CN110218064A (en) * | 2019-04-27 | 2019-09-10 | 马步真 | A kind of preparation method of muddy loess stalk resin wall plastering material |
-
2022
- 2022-04-02 CN CN202210342922.5A patent/CN114686105A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007291837A (en) * | 2006-03-29 | 2007-11-08 | Aica Kogyo Co Ltd | Aqueous paint material composition, its construction method, and wall structure by the same |
| CN107033639A (en) * | 2017-04-12 | 2017-08-11 | 湖南漆雕氏制造股份有限公司 | A kind of mineral coating and preparation method thereof |
| CN107083155A (en) * | 2017-06-01 | 2017-08-22 | 南京市雨花台区绿宝工业设计服务中心 | One kind building composite coating and preparation method thereof |
| CN109456686A (en) * | 2017-09-05 | 2019-03-12 | 张家港市杨舍丝印工艺厂 | A kind of preparation method of aluminium oxide-polyurethane composite coating |
| CN110218064A (en) * | 2019-04-27 | 2019-09-10 | 马步真 | A kind of preparation method of muddy loess stalk resin wall plastering material |
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