CN110670795A - Stone-plastic curtain wall board and preparation method thereof - Google Patents
Stone-plastic curtain wall board and preparation method thereof Download PDFInfo
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- CN110670795A CN110670795A CN201910963265.4A CN201910963265A CN110670795A CN 110670795 A CN110670795 A CN 110670795A CN 201910963265 A CN201910963265 A CN 201910963265A CN 110670795 A CN110670795 A CN 110670795A
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- stone
- curtain wall
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Finishing Walls (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a stone-plastic curtain wall board and a preparation method thereof, which comprises the procedures of surface roughening of a stone-plastic composite substrate, putty coating activation, curing, surface fine roughening, preparation of facing slurry, coating, mould pressing, spray curing, high-temperature strengthening, cooling and demoulding and the like. Wherein, the preparation of the facing slurry: the light-reflecting paint is prepared by mixing magnesium hydroxide, aluminum oxide, polyethylene wax oxide powder, intelligent light-reflecting pigment, component A and component B under set conditions. The stone-plastic curtain wall board prepared by the invention has the integrated functions of heat insulation, heat preservation, flame retardance, water resistance and decoration, widens the application form of the stone-plastic composite material, and provides a new path for high-value utilization of slag.
Description
Technical Field
The invention relates to a curtain wall board preparation technology, in particular to a stone-plastic curtain wall board and a preparation method thereof, and belongs to the field of stone-plastic composite materials.
Background
The production process of applying the stone-plastic composite material to develop commercial products of resin artificial stone and stone-plastic floor is quite different. The artificial resin stone is mainly produced by a cast curing process such as that described in Japanese patent (JP11255999A) by modifying unsaturated polyester with metal hydroxide having an average diameter of 0.001-200 μm (e.g., Al (OH))3) And the like, and the products of the artificial marble and the like having good heat resistance are represented by Korla of DuPont, Korla of Japan, and the like, and the products can be polished at will but have high production cost, and the minerals must be new materials, and the selection of mineral raw materials is limited. While the stone-plastic floor tends to surface finish treatment after extrusion forming, for example, Chinese patent (CN103172301A) realizes the resource reuse of fly ash, changes waste into valuable, and develops the floor to overcome the problem that the formaldehyde of the artificial board in the current market exceeds standard, and Chinese patent (CN105275180A) adds SiO in the formula of the traditional stone-plastic material2、Al2O3NaCl and the like to improve the stability of the stone plastic floor and the like, and represents that the product has PVC material released by the French TLM group
The product integrates the advantages of ceramic tiles and reinforced floors, but does not allow polishing, and the related production line has long flow, complicated processes, high requirements on equipment, large equipment investment and high production cost.
The use of stone-plastic composite materials in synthetic resin stone and stone-plastic flooring is currently in the leading international level of technology in the united states, europe, japan, korea, and the like. Domestic production enterprises produce stone plastic products by introducing modes such as digestion, independent research and development and the like, the scale is increased day by day, the production technology and the product quality are stably promoted, and the market share is gradually enlarged. In order to solve the problem of comprehensive treatment of marble and granite processing waste materials and waste residues in the rural area in the west county of Qinba, Shanxi Linsen engineering Limited liability company also introduced a Linsen color spar floor product in 2014, see Chinese patent (CN 104130518A), and on the basis, a PVC composite material preparation technology is also innovated and developed, such as CN 108102256A, CN108017859A, CN108215253A, CN108215110A and the like, but the product is still limited to home decoration floors and is limited in popularization and application.
Disclosure of Invention
The invention aims to provide a stone-plastic curtain wall board integrating heat insulation, heat preservation, flame retardance, water resistance and decoration functions for surface treatment of a PVC-based stone-plastic composite board by using a PVC combined material prepared by a CN 108102256A patent method as a raw material and carrying out compression molding on a layer of PMMA finish coat with a body structure on a PVC-based stone-plastic composite base material prepared by an extrusion molding process disclosed by CN108017859A and a preparation method thereof.
In order to achieve the purpose, the preparation method of the stone plastic curtain wallboard provided by the invention comprises the following steps:
1) roughening the surface of the stone-plastic composite base material: carrying out coarse grinding and dust removal on the surface of the PVC-based stone-plastic composite base material by using abrasive paper;
2) coating and curing activated putty: coating an active putty wet layer on the surface of the PVC-based stone-plastic composite board, and standing and curing at room temperature;
3) surface fine texturing: finely grinding and dedusting the surface of the base material obtained in the step 2) by using abrasive paper;
4) preparing facing slurry:
according to the mass ratio of (0.3-0.5) to (0.3-0.5): (0.02-0.04):(0.02-0.05): 1:3, mixing magnesium hydroxide, aluminum oxide, oxidized polyethylene wax powder, intelligent reflective pigment, component A and component B at the temperature of 10-15 ℃;
the component A comprises: according to the mass ratio of 1: (0.0024-0.0048) mixing methyl methacrylate and dibenzoyl peroxide to obtain a mixed solution, and then mixing the mixed solution according to the mass ratio of (0.1-1): 1, adding unsaturated polyester into the mixed solution for dilution, and activating to obtain a component A;
the component B comprises: according to the mass ratio of 1: (0.0016-0.0032) mixing methyl methacrylate with an organic tertiary amine compound to obtain a component B;
5) coating facing slurry, molding, spraying and curing: coating the surface of the base material obtained in the step 3) with the facing slurry, placing the base material in a mould containing toughened glass, performing cold pressing and shaping, tightening a clamp, moving the clamp into a mould frame, conveying the mould frame into a spray chamber with an atomization function, and performing spray atomization treatment;
6) high-temperature reinforcement-cooling demoulding: further moving the die carrier into a drying room at the temperature of 110-.
For the above technical solution, further preferred solutions are also included:
preferably, in the step 1), the PVC-based stone-plastic composite substrate is prepared from a PVC composite material prepared by a patent method disclosed in CN 108102256a by an extrusion molding process disclosed in CN 108017859A.
Preferably, in the step 2), a blade coating or spraying mode is adopted to coat an active putty wet layer with the thickness less than 300 microns on the surface of the PVC-based stone-plastic composite board, and the PVC-based stone-plastic composite board is kept stand and cured for 30-60min at room temperature; the active putty is prepared by a patent method disclosed in CN 109306065A.
Preferably, in the step 4), the intelligent reflective pigment is formed by mixing one or a mixture of several of nano vanadium dioxide (M) and titanium dioxide, Paliogen @ Black 10C909, and Dynamix green 30C 612.
Preferably, the organic tertiary amine compound is one or a mixture of N, N-dimethylaniline, N-dihydroxyethyl-p-toluidine and N, N-dihydroxypropyl-p-toluidine.
Preferably, in the step 4), the finishing pulp is prepared by mixing at the temperature of 10-15 ℃; activating at 80-85 deg.C for 10-20min to obtain component A.
Preferably, in the step 5), the spraying and atomizing treatment is carried out for 2-4h at 25-35 ℃ in a spraying chamber.
Preferably, in the step 6), the mold frame is moved to a drying room at the temperature of 110-.
The stone plastic curtain wall board prepared by the method comprises the following mixed raw materials in percentage by mass:
0.3-0.5 of magnesium hydroxide; 0.3-0.5 of aluminum oxide; oxidized polyethylene wax powder 0.02-0.04; 0.02-0.05 of intelligent reflective pigment; a is component 1; component B3;
wherein:
the component A comprises:
0.1 to 1 of unsaturated polyester; methyl methacrylate mixed solution 1;
the methyl methacrylate mixed solution comprises: methyl methacrylate 1; dibenzoyl peroxide 0.0024-0.0048;
the component B comprises:
methyl methacrylate mixed solution 1;
the methyl methacrylate mixed solution comprises: methyl methacrylate 1; 0.0016-0.0032 of organic tertiary amine compound.
Compared with the prior art, the stone-plastic curtain wall board has high strength, toughness, water-resistant flame retardance and heat preservation due to the adoption of a hollow structure design, and the stone-plastic curtain wall board substrate is endowed with good strength, toughness, water-resistant flame retardance and heat preservation. The surface roughening, activated putty coating-curing, surface fine roughening, coating-mould pressing-spray curing, high-temperature strengthening, cooling demoulding and other processes of the stone-plastic composite base material are adopted to firmly adhere the unsaturated polyester/PMMA decorative surface layer with intelligent heat insulation on the PVC-based stone-plastic composite base material, so that the stone-plastic curtain wall board is endowed with intelligent heat insulation and decoration. The prepared stone plastic curtain wall board has the surface water vapor resistance of 5 grades, the surface hardness of more than 90HD, the wear resistance of less than 0.09g/100r, no cracking under 50cm impact, the glossiness of more than 90 degrees, the heat insulation temperature difference of more than 20 ℃, the heat conductivity coefficient of less than 0.1w/m.k and the flame retardant grade of V-0 grade. The process for preparing the stone plastic curtain wall board is simple, the production period is short, the production cost is low, the surface of the produced stone plastic curtain wall board does not need to be ground or polished, and a novel preparation method is provided for the production of the stone plastic curtain wall board.
Detailed Description
The present invention will be described in detail with reference to specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
The preparation method of the stone plastic curtain wall board comprises the following steps:
1) roughening the surface of the stone-plastic composite base material: carrying out coarse grinding and dust removal on the surface of the PVC-based stone-plastic composite base material by using abrasive paper; the PVC-based stone-plastic composite base material is prepared by adopting a PVC composite material prepared by a patent method disclosed in CN 108102256A as a raw material and adopting an extrusion molding process disclosed in CN 108017859A;
2) coating and curing activated putty: coating an active putty wet layer with the thickness less than 300 mu m on the surface of the PVC-based stone-plastic composite board by adopting a blade coating or spraying mode, standing and curing for 30-60min at room temperature, wherein the active putty is prepared by a patent method disclosed in CN 109306065A;
wherein, the active putty is prepared according to the preparation method of the active putty disclosed in CN 109306065A;
3) surface fine texturing: finely grinding and dedusting the surface of the base material obtained in the step 2) by using abrasive paper;
4) preparing facing slurry:
according to the mass ratio of (0.3-0.5) to (0.3-0.5): (0.02-0.04):(0.02-0.05): 1:3, mixing magnesium hydroxide, aluminum oxide, oxidized polyethylene wax powder, intelligent reflective pigment, component A and component B at the temperature of 10-15 ℃;
wherein, the intelligent reflective pigment is formed by mixing one or a mixture of more of nano vanadium dioxide (M) and titanium dioxide, Paliogen @ Black 10C909 and Dynamix green 30C 612;
the component A comprises: according to the mass ratio of 1: (0.0024-0.0048) mixing methyl methacrylate and dibenzoyl peroxide to obtain a mixed solution, and then mixing the mixed solution according to the mass ratio of (0.1-1): 1, adding unsaturated polyester into the mixed solution for dilution, and activating at 80-85 ℃ for 10-20min to obtain a component A;
wherein, the unsaturated polyester is a component B: according to the mass ratio of 1: (0.0016-0.0032) mixing methyl methacrylate with an organic tertiary amine compound to obtain a component B;
wherein, the organic tertiary amine compound is one or a mixture of more of N, N-dimethylaniline, N-dihydroxyethyl-p-toluidine and N, N-dihydroxypropyl-p-toluidine;
5) coating facing slurry, molding, spraying and curing: coating the surface of the base material obtained in the step 3) with the facing slurry, placing the base material in a mould containing toughened glass, performing cold pressing and shaping, tightening a clamp, moving the clamp into a mould base, conveying the mould base into a spray chamber with an atomization function, and performing spray atomization treatment for 2-4h at 25-35 ℃;
6) high-temperature reinforcement-cooling demoulding: further moving the die carrier into a drying room at the temperature of 110-.
The invention is further illustrated by the following different examples.
Example 1
1) Carrying out coarse grinding and dust removal on the surface of the PVC-based stone-plastic composite base material by using abrasive paper;
2) coating an active putty wet layer with the thickness less than 300 mu m on the surface of the PVC-based stone-plastic composite board by adopting a blade coating or spraying mode, and standing and curing for 60min at room temperature;
3) finely grinding and dedusting the surface of the base material obtained in the step 2) by using abrasive paper;
4) according to the mass ratio of 0.5: 0.3: 0.04:0.02: 1:3, mixing magnesium hydroxide, aluminum oxide, oxidized polyethylene wax powder, a mixture of an intelligent reflective pigment vanadium dioxide (M) and Dynamix green 30C612, a component A and a component B in an environment of 10 ℃;
the component A comprises: according to the mass ratio of 1: 0.0036 mixing methyl methacrylate and dibenzoyl peroxide to obtain a mixed solution, and mixing the mixed solution according to a mass ratio of 0.1: 1, adding unsaturated polyester into the mixed solution for dilution, and activating at 80 ℃ for 20min to obtain a component A;
the component B comprises: according to the mass ratio of 1: 0.0032 mixing methyl methacrylate and organic tertiary amine compound N, N-dihydroxyethyl-p-toluidine to obtain a component B;
5) coating the surface of the base material obtained in the step 3) with the facing slurry, placing the base material in a mould containing toughened glass, performing cold pressing and shaping, tightening a clamp, moving the clamp into a mould frame, conveying the mould frame into a spray chamber with an atomization function, and performing spray atomization treatment at 30 ℃ for 4 hours;
6) and (3) moving the die carrier into a drying room at 110 ℃, performing strengthening treatment for 2 hours, cooling and demolding to obtain the material.
Example 2
1) Carrying out coarse grinding and dust removal on the surface of the PVC-based stone-plastic composite base material by using abrasive paper;
2) coating and curing activated putty: coating an active putty wet layer with the thickness less than 300 mu m on the surface of the PVC-based stone-plastic composite board by adopting a blade coating or spraying mode, and standing and curing for 30min at room temperature;
3) finely grinding and dedusting the surface of the base material obtained in the step 2) by using abrasive paper;
4) according to the mass ratio of 0.4: 0.5: 0.03:0.05: 1:3, mixing magnesium hydroxide, aluminum oxide, oxidized polyethylene wax powder, a mixture of intelligent reflective pigment vanadium dioxide (M) and Paliogen @ Black 10C909, a component A and a component B in an environment at 13 ℃;
mixing the raw materials;
the component A comprises: according to the mass ratio of 1: 0.0048 mixing methyl methacrylate and dibenzoyl peroxide to obtain a mixed solution, and then mixing the mixed solution according to a mass ratio of 0.5: 1, adding unsaturated polyester into the mixed solution for dilution, and activating at 83 ℃ for 15min to obtain a component A;
the component B comprises: according to the mass ratio of 1: 0.0016 mixing methyl methacrylate with organic tertiary amine compound N, N-dimethylaniline to obtain component B;
5) coating the surface of the base material obtained in the step 3) with the facing slurry, placing the base material in a mould containing toughened glass, performing cold pressing and shaping, tightening a clamp, moving the clamp into a mould frame, conveying the mould frame into a spray chamber with an atomization function, and performing spray atomization treatment for 2 hours at 35 ℃;
6) and (3) moving the die carrier into a drying room at 130 ℃, performing strengthening treatment for 2 hours, cooling and demolding to obtain the material.
Example 3
1) Carrying out coarse grinding and dust removal on the surface of the PVC-based stone-plastic composite base material by using abrasive paper;
2) coating an active putty wet layer with the thickness less than 300 mu m on the surface of the PVC-based stone-plastic composite board by adopting a blade coating or spraying mode, and standing and curing for 40min at room temperature;
3) finely grinding and dedusting the surface of the base material obtained in the step 2) by using abrasive paper;
4) according to the mass ratio of 0.3: 0.02:0.04: 1:3, mixing magnesium hydroxide, aluminum oxide, oxidized polyethylene wax powder, intelligent reflective pigment vanadium dioxide (M), titanium dioxide, a mixture of Paliogen @ Black 10C909, a component A and a component B in an environment of 15 ℃;
the component A comprises: according to the mass ratio of 1: 0.0024 mixing methyl methacrylate and dibenzoyl peroxide to obtain a mixed solution, and mixing the mixed solution according to the mass ratio of 1: 1, adding unsaturated polyester into the mixed solution for dilution, and activating at 85 ℃ for 10min to obtain a component A;
the component B comprises: according to the mass ratio of 1: 0.0030 mixing methyl methacrylate with organic tertiary amine compound N, N-dimethylaniline to obtain component B;
5) coating the surface of the base material obtained in the step 3) with the facing slurry, placing the base material in a mould containing toughened glass, performing cold pressing and shaping, tightening a clamp, moving the clamp into a mould frame, conveying the mould frame into a spray chamber with an atomization function, and performing spray atomization treatment at 25 ℃ for 3 hours;
6) and (3) moving the die carrier into a drying room at 110 ℃, performing strengthening treatment for 1.5h, cooling and demolding to obtain the material.
In conclusion, the surface of the stone plastic curtain wall board prepared by the invention has the water vapor resistance of 5 grades, the surface hardness of more than 90HD, the wear resistance (g/100r) of less than 0.09, no crack under the impact of 50cm, the glossiness of more than 90 degrees, the heat insulation temperature difference of more than 20 ℃, the heat conductivity coefficient of less than 0.1(w/m.k), and the flame retardant grade of V-0 grade, and is a building decoration material with good heat insulation, heat preservation, flame retardance, water resistance and decoration functions.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (10)
1. The preparation method of the stone plastic curtain wall board is characterized by comprising the following steps:
1) roughening the surface of the stone-plastic composite base material: carrying out coarse grinding and dust removal on the surface of the PVC-based stone-plastic composite base material by using abrasive paper;
2) coating and curing activated putty: coating an active putty wet layer on the surface of the PVC-based stone-plastic composite board, and standing and curing at room temperature;
3) surface fine texturing: finely grinding and dedusting the surface of the base material obtained in the step 2) by using abrasive paper;
4) preparing facing slurry:
according to the mass ratio of (0.3-0.5): (0.3-0.5): (0.02-0.04):(0.02-0.05): 1:3, mixing magnesium hydroxide, aluminum oxide, polyethylene wax oxide powder, intelligent reflective pigment, the component A and the component B under the condition; wherein:
the component A comprises: according to the mass ratio of 1: (0.0024-0.0048) mixing methyl methacrylate and dibenzoyl peroxide to obtain a mixed solution, and then mixing the mixed solution according to the mass ratio of (0.1-1): 1, adding unsaturated polyester into the mixed solution for dilution, and activating to obtain a component A;
the component B comprises: according to the mass ratio of 1: (0.0016-0.0032) mixing methyl methacrylate with an organic tertiary amine compound to obtain a component B;
5) coating facing slurry, molding, spraying and curing: coating the surface of the base material obtained in the step 3) with the facing slurry, placing the base material in a mould containing toughened glass, performing cold pressing and shaping, tightening a clamp, moving the clamp into a mould frame, conveying the mould frame into a spray chamber with an atomization function, and performing spray atomization treatment;
6) high-temperature reinforcement-cooling demoulding: and further moving the die carrier into a drying room, performing strengthening treatment, cooling and demolding to obtain the product.
2. The method for preparing a stone-plastic curtain wall board as claimed in claim 1, wherein in the step 1), the PVC-based stone-plastic composite substrate is prepared from a PVC composite material prepared by a patent method disclosed in CN 108102256A by adopting an extrusion molding process disclosed in CN 108017859A.
3. The method for preparing the stone-plastic curtain wall board according to claim 1, wherein in the step 2), a layer of active putty wet layer with the size less than 300 μm is coated on the surface of the PVC-based stone-plastic composite board by adopting a blade coating or spraying mode, and the stone-plastic curtain wall board is kept standing and cured for 30-60min at room temperature; the active putty is prepared by a patent method disclosed in CN 109306065A.
4. The method for preparing a stone-plastic curtain wall board as claimed in claim 1, wherein in the step 4), the intelligent reflective pigment is formed by mixing nano vanadium dioxide M with one or more of titanium dioxide, Paliogen @ Black 10C909 and Dynamix green 30C 612.
5. The method of claim 1, wherein the organic tertiary amine compound is one or more selected from the group consisting of N, N-dimethylaniline, N-dihydroxyethyl p-toluidine, and N, N-dihydroxypropyl p-toluidine.
6. The method for preparing a stone curtain wall board as claimed in claim 1, wherein in the step 4), the finishing slurry is prepared by mixing at 10-15 ℃;
activating at 80-85 deg.C for 10-20min to obtain component A.
7. The method for preparing a stone-plastic curtain wall board as claimed in claim 1, wherein in the step 5), the spraying chamber is sprayed with the atomized liquid at 25-35 ℃ for 2-4 h.
8. The method for preparing a stone plastic curtain wall board as claimed in claim 1, wherein in the step 6), the mold frame is moved to a drying room with a temperature of 110 ℃ and 130 ℃, and then the stone plastic curtain wall board is treated for 1-2h by strengthening treatment, cooled and demolded.
9. The method for preparing a stone-plastic curtain wall board according to claim 1, wherein the surface of the prepared stone-plastic curtain wall board is resistant to water vapor up to 5 grades, the surface hardness is more than 90HD, the wear resistance is less than 0.09g/100r, the stone-plastic curtain wall board is free of cracking under 50cm impact, the glossiness is more than 90 degrees, the heat insulation temperature difference is more than 20 ℃, the thermal conductivity is less than 0.1w/m.k, and the flame retardant grade is V-0 grade.
10. A stone plastic curtain wall panel produced by the method of any one of claims 1 to 9, comprising mixing raw materials in the following mass ratios:
wherein:
the component A comprises:
0.1 to 1 of unsaturated polyester;
methyl methacrylate mixed solution 1;
the methyl methacrylate mixed solution comprises:
methyl methacrylate 1;
dibenzoyl peroxide 0.0024-0.0048;
the component B comprises:
methyl methacrylate mixed solution 1;
the methyl methacrylate mixed solution comprises:
methyl methacrylate 1;
0.0016-0.0032 of organic tertiary amine compound.
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Cited By (1)
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| CN114956662A (en) * | 2022-06-09 | 2022-08-30 | 陕西理工大学 | Imitation stone and preparation method thereof |
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| CN110670795B (en) | 2021-08-20 |
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