CN111117460A - Reflective heat-insulation stone-like coating base material - Google Patents
Reflective heat-insulation stone-like coating base material Download PDFInfo
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- CN111117460A CN111117460A CN201911408068.2A CN201911408068A CN111117460A CN 111117460 A CN111117460 A CN 111117460A CN 201911408068 A CN201911408068 A CN 201911408068A CN 111117460 A CN111117460 A CN 111117460A
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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
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
-
- 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
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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)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
A reflective heat insulation type stone-like coating base material is prepared from the following raw materials in parts by weight: 10-20 parts of emulsion; the sand material comprises 5 to 10 parts of potassium hexatitanate whisker powder; 50-70 parts of silicon dioxide powder, the base material prepared by the invention is used as a stone-like coating base material, a protective agent and an auxiliary agent are added by a conventional stone-like coating preparation method, and the stone-like coating with the heat preservation and insulation effects can be prepared by the process flows of mixing, stirring, toning, granulating and the like. The potassium hexatitanate whisker powder is dispersed in the paint, has extremely high infrared reflection and diffuse reflection rate, and the silica powder used as the filler has small expansion coefficient, high hardness, good acid-base property and weather resistance, and can improve the tensile strength of the paint, so that the prepared paint has good heat preservation effect, high strength and good elasticity, and is not easy to generate cracks due to expansion with heat and contraction with cold.
Description
Technical Field
The invention relates to the field of building coatings, in particular to a reflective heat-insulation stone-like coating base material.
Background
The stone-like coating is a new product type which is very popular in the building coating industry in recent years, and the product takes a physical and chemical colloid technology and a surface treatment technology as theoretical bases; various colloidal stone-like particles with different sizes and colors are uniformly and stably suspended and dispersed in the water-based emulsion coating, and the pattern effect of the finished granite-like stone can reach the extent of being fake and unreal through one-step construction and forming.
For example, Chinese patent publication No. CN103849280A discloses 'a preparation method of an ultra-stable high weather-resistant water-in-water granite imitation multicolor paint'; chinese patent publication No. CN103319969A discloses an environment-friendly water-in-water multicolor paint and a preparation method thereof. The technical development and application of the stone-like coating are mature day by day, but the stone-like coating is still like common latex in the aspect of energy saving and has no reflective heat insulation function.
At present, porous low-barrier heat insulation materials such as asbestos cloth, glass wool, foam plastics and the like are adopted for partial heat insulation, and the materials can only slow down but cannot block the transfer of heat energy. In daytime, solar energy continuously enters the space and the structure in a room or a container through a roof, a wall or a container wall, and once heat energy is transmitted, the heat energy is trapped in the space and the structure even if the outdoor temperature is reduced.
The heat insulation coating is typically used on the outer wall surface of a building and an outdoor large storage tank, and the common wall surface heat insulation technologies at home and abroad are as follows: the external-hanging external heat-insulation polystyrene board and the wall body are formed by one-step pouring and the polystyrene particle heat-insulation mortar external wall is heat-insulation, and the heat resistance is used as a heat-insulation means, so that the effect is good, the influence on the load bearing, the external decoration and the like of the building is large, and the construction cost is greatly increased.
The existing popular heat insulation coating is different from a porous low-barrier heat insulation material, and usually adopts a reflective heat insulation material, namely absorbed heat can be radiated in a heat radiation mode to cool the indoor space, and meanwhile, the reflective heat insulation material can reduce the influence of heat radiation on the outer wall of a building or the outer wall of a container, so that the method is a method for fundamentally solving the heat insulation and heat preservation of the wall or the container. However, the existing reflective heat-insulating material has poor stability, insufficient construction performance and heat-insulating effect and no elasticity, cannot adapt to the change of thermal expansion and cold contraction of a wall body or a container wall, and is easy to crack.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing a reflective heat-insulation stone-like coating base material which has good stability, good construction performance and heat insulation effect, good elasticity and waterproof effect, is not easy to crack and has little environmental pollution.
The purpose of the invention is realized as follows: a reflective heat insulation type stone-like coating base material is prepared from the following raw materials in parts by weight:
10-20 parts of emulsion;
the sand material comprises 5 to 10 parts of potassium hexatitanate whisker powder;
50-70 parts of silicon dioxide powder.
In one embodiment, the emulsion is an aqueous polyurethane emulsion.
In one embodiment, the silica powder is a transparent silica powder.
In one embodiment, the sand material further comprises vitrified micro bubbles, and the vitrified micro bubbles account for 0-30% of the sand material by weight.
In one embodiment, the feed additive is prepared from the following raw materials in parts by weight:
10-15 parts of a water-based polyurethane emulsion;
5-7 parts of sand;
60-70 parts of transparent silicon dioxide powder.
In one embodiment, the feed additive is prepared from the following raw materials in parts by weight:
13-17 parts of a water-based polyurethane emulsion;
6-8 parts of powder;
55-65 parts of transparent silicon dioxide powder.
In one embodiment, the feed additive is prepared from the following raw materials in parts by weight:
15-20 parts of a water-based polyurethane emulsion;
8-10 parts of powder;
50-60 parts of transparent silicon dioxide powder.
Compared with the prior art, the invention has the following advantages:
the stone-like paint prepared by the invention has the advantages that the potassium hexatitanate whisker powder is dispersed in the paint, has extremely high infrared reflection and diffuse reflection rate, the silica powder used as the filler has small expansion coefficient, high hardness and good acid-base weather resistance, and can improve the tensile strength of the paint, so that the prepared paint has good heat preservation effect, high strength and good elasticity, and is not easy to generate cracks due to expansion caused by heat and contraction caused by cold.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are only for better understanding of the technical solutions of the present invention, and are not intended to limit the present invention.
A heat-insulation stone-like coating base material is prepared from the following raw materials in parts by weight:
10-20 parts of emulsion;
the sand material comprises 5 to 10 parts of potassium hexatitanate whisker powder;
50-70 parts of silicon dioxide powder.
The base material prepared by the invention is used as the base material of the stone-like coating, the protective agent and the auxiliary agent are added by the conventional preparation method of the stone-like coating, and the stone-like coating with the heat preservation and insulation effects can be prepared by the process flows of mixing, stirring, toning, granulating and the like. The potassium hexatitanate whisker powder is dispersed in the paint, has extremely high infrared reflection and diffuse reflection rate, and the silica powder used as the filler has small expansion coefficient, high hardness, good acid-base property and weather resistance, and can improve the tensile strength of the paint, so that the prepared paint has good heat preservation effect, high strength and good elasticity, and is not easy to generate cracks due to expansion with heat and contraction with cold.
The potassium hexatitanate whisker powder is powder formed by grinding potassium hexatitanate whiskers, the potassium hexatitanate whiskers are K2Ti6O13, the structure is a chain tunnel type structure, and K + ions are arranged in the middle of a tunnel. The direct result of the structure is that K + ions have high stability, and the potassium hexatitanate crystal whisker has excellent mechanical property and physical property, stable chemical property, low heat conductivity coefficient and large heat capacity at high temperature, excellent corrosion resistance, heat resistance and heat insulation, wear resistance, lubricity and extremely high infrared reflection and diffuse reflection rate due to the structure, and the potassium hexatitanate crystal whisker as a heat insulation material mainly has the advantages of material structure based on the heat insulation material, extremely low heat conductivity coefficient, large heat capacity and high infrared reflection rate, can bear the high temperature of 1200 ℃, is more typical of heat insulation materials or coatings in the fields of space launching frames, military machinery, automobile exhaust pipes, dryers, petrochemical engineering pipelines and high specific required temperature, and is an ideal asbestos substitute material.
In one embodiment, the emulsion is an aqueous polyurethane emulsion. The waterborne polyurethane emulsion has the advantages of good permeability and strong bonding force, has good bonding integrity with silicon dioxide powder and sand, and provides the bonding strength of the stone-like coating. And the surface of the waterborne polyurethane emulsion has strong anti-fouling capability, so that the surface of the coating is easier to clean.
In one embodiment, the silica powder is a transparent silica powder. The diffuse reflectivity of the coating is improved by the transparent silicon dioxide powder, and the reflective heat insulation effect is further improved.
In one embodiment, the sand material further comprises vitrified micro bubbles, and the vitrified micro bubbles account for 0-30% of the sand material by weight. The vitrified micro bubbles can adopt 3M vitrified micro bubbles. The acidic vitreous lava mineral (pitchstone ore sand) is processed by a special technology and a production process to form a spherical particle with a porous and vitrified closed surface, and the inorganic lightweight thermal insulation material has high performance. The main chemical component is SiO2﹑AI2O3CaO, the particle diameter of the particles is 0.1-2 mm, and the volume weight is 50-100 kg/m3The heat conductivity coefficient is 0.028-0.048W/m.K, the floating rate is more than 95%, the balling vitrification rate is more than 95%, the water absorption rate is less than 50%, and the melting temperature is 1200 ℃. The vitrified micro bubbles have good heat preservation and insulation effects, and the heat insulation effect of the coating can be further improved by adding the vitrified micro bubbles into the sand material.
In one embodiment, the feed additive is prepared from the following raw materials in parts by weight:
10-15 parts of a water-based polyurethane emulsion;
5-7 parts of sand;
60-70 parts of transparent silicon dioxide powder.
In one embodiment, the feed additive is prepared from the following raw materials in parts by weight:
13-17 parts of a water-based polyurethane emulsion;
6-8 parts of powder;
55-65 parts of transparent silicon dioxide powder.
In one embodiment, the feed additive is prepared from the following raw materials in parts by weight:
15-20 parts of a water-based polyurethane emulsion;
8-10 parts of powder;
50-60 parts of transparent silicon dioxide powder.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The reflective heat-insulation stone-like coating base material is characterized by being prepared from the following raw materials in parts by weight:
10-20 parts of emulsion;
the sand material comprises 5 to 10 parts of potassium hexatitanate whisker powder;
50-70 parts of silicon dioxide powder.
2. The stone-like coating base of claim 1, wherein the emulsion is an aqueous polyurethane emulsion.
3. The stone-like coating base material of claim 2, wherein the silica powder is a transparent silica powder.
4. The reflective insulation stone-like coating binder according to claim 3, wherein the sand material further comprises vitrified micro bubbles, and the vitrified micro bubbles account for 0-30% of the sand material by weight.
5. The reflective insulation type stone-like coating base material according to claim 4, which is prepared from the following raw materials in parts by weight:
10-15 parts of a water-based polyurethane emulsion;
5-7 parts of sand;
60-70 parts of transparent silicon dioxide powder.
6. The reflective insulation type stone-like coating base material according to claim 4, which is prepared from the following raw materials in parts by weight:
13-17 parts of a water-based polyurethane emulsion;
6-8 parts of powder;
55-65 parts of transparent silicon dioxide powder.
7. The reflective insulation type stone-like coating base material according to claim 4, which is characterized by being prepared from the following raw materials in parts by weight:
15-20 parts of a water-based polyurethane emulsion;
8-10 parts of powder;
50-60 parts of transparent silicon dioxide powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408068.2A CN111117460A (en) | 2019-12-31 | 2019-12-31 | Reflective heat-insulation stone-like coating base material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408068.2A CN111117460A (en) | 2019-12-31 | 2019-12-31 | Reflective heat-insulation stone-like coating base material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111117460A true CN111117460A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408068.2A Pending CN111117460A (en) | 2019-12-31 | 2019-12-31 | Reflective heat-insulation stone-like coating base material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100912387B1 (en) * | 2009-03-07 | 2009-08-19 | (주)간삼파트너스 종합건축사사무소 | Stone-based paint composition |
| CN105400342A (en) * | 2015-11-27 | 2016-03-16 | 宁波双人新材料有限公司 | Functional really stone paint and preparation method thereof |
| CN106336176A (en) * | 2016-08-22 | 2017-01-18 | 许英男 | Ecological stone paint and preparation method thereof |
| CN106366814A (en) * | 2016-08-25 | 2017-02-01 | 上海磐彩环保科技股份有限公司 | Sand-containing colorful environment-friendly coating and preparation method of same |
-
2019
- 2019-12-31 CN CN201911408068.2A patent/CN111117460A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100912387B1 (en) * | 2009-03-07 | 2009-08-19 | (주)간삼파트너스 종합건축사사무소 | Stone-based paint composition |
| CN105400342A (en) * | 2015-11-27 | 2016-03-16 | 宁波双人新材料有限公司 | Functional really stone paint and preparation method thereof |
| CN106336176A (en) * | 2016-08-22 | 2017-01-18 | 许英男 | Ecological stone paint and preparation method thereof |
| CN106366814A (en) * | 2016-08-25 | 2017-02-01 | 上海磐彩环保科技股份有限公司 | Sand-containing colorful environment-friendly coating and preparation method of same |
Non-Patent Citations (4)
| Title |
|---|
| 全国二级造价工程师职业资格考试培训教材编委会: "《建筑工程计量与计价实务》", 31 March 2019, 江苏凤凰科学技术出版社 * |
| 刘运学等: "《有机保温材料及应用》", 30 September 2015, 哈尔滨工业大学出版社 * |
| 艾光华: "《非金属资源开发项目驱动实践教学教程》", 31 December 2017, 冶金工业出版社 * |
| 郭群等: "《砂浆实验及检测培训教材》", 30 September 2014 * |
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Application publication date: 20200508 |