CN109111195A - A kind of preparation method of negative ion type function artificial stone - Google Patents
A kind of preparation method of negative ion type function artificial stone Download PDFInfo
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- CN109111195A CN109111195A CN201810667697.6A CN201810667697A CN109111195A CN 109111195 A CN109111195 A CN 109111195A CN 201810667697 A CN201810667697 A CN 201810667697A CN 109111195 A CN109111195 A CN 109111195A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5089—Silica sols, alkyl, ammonium or alkali metal silicate cements
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
-
- 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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C09D7/43—Thickening agents
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of preparation methods of negative ion type function artificial stone, belong to technical field of coatings.The present invention masks most of hydroxyl on polyvinyl alcohol using crosslinking agent, and makes polyvinyl alcohol that semi-intercrossing network occur with silica solution and connect, the excellent film forming of the resulting existing polyvinyl alcohol of compound adhesive, there are the water resistance and hardness of silica solution again, pigments and fillers and functional material is added in right amount again, regulation system performance can be produced with excellent water resistance, functionality and the strong coating of adhesive force；The tinting strength, tinting power and covering power of paint film can be changed in precipitated calcium carbonate, and improve the mobility of lotion, kaolin with particle, stablize by thin, wetting and dispersing, and suspension is good, facilitates dust-proof, kaolin is added and saves titanium dioxide while guaranteeing covering power, cost is reduced, the levelability and the durability for enhancing coating, paint adhesion obtained that talcum powder makes coating be easy to brush and had are strong, water-tolerant, functional and heat-proof quality is good.
Description
Technical field
The present invention relates to a kind of preparation methods of negative ion type function artificial stone, belong to building decoration technology field.
Background technique
In building decoration area, stone material master for being increasingly becoming construction and decoration with its beauty, feature graceful, dicoration is strong
Want one of ornament materials.Decorative stone material generally can be divided into natural and two kinds artificial, and artificial stone's raw material is easy to get, and cost is relatively low,
Preparation process is simple, has excellent performance, and overcomes that lithotome mineral resources are limited, rigidity itself is had a surplus, the insufficient defect of intensity,
With great development space.
Artificial stone can be divided into inorganic type artificial stone and resin type artificial stone two according to the difference of itself used binder
Major class, inorganic type artificial stone good weatherability, non-ignitable, price is low, but the disadvantage is that acid resistance is poor, surface gloss is lower；Resin
Type artificial stone comprehensive performance is preferable, but production cost is higher, and surface hardness is lower, and weatherability is poor, is unsuitable to apply to outdoor；Separately
Outside in use by environmental factor and self structure composition influenced, above two artificial stone can generate weathering damage,
The illnesss such as surface corrosion, greasy dirt and pigment pollution, strong influence service life and application range.
Currently, negative ion concentration is listed in an important parameter for measuring air quality in air in environmental evaluation.So
And the modern life, industrial pollution are constantly affecting ambient enviroment, the negative ions in air balance numerous imbalances, anion number
Mesh falls sharply, and has influenced the air quality of environment, and then influence the health of people.Therefore, research preparation has release negative
The artificial stone of ion function, in Green environmental-protection building ornament materials, it will significant to the harmonious protection of environment.But
Be have negative ion-releasing function organic coating be coated on basis material especially building decoration materials when there are poor adhesive force,
The defects of surface hardness is low, heat and flame resistant performance is poor, tourmaline powder bad dispersibility in organic coating cause preparation process complicated,
Influence anion number burst size.
Stone protector carries out protection processing to stone material generally by the way of surface coating, and stone material is made to have waterproof, antifouling, anti-
The performances such as water spots, acid and alkali-resistance, anti-aging and weathering.Stone protectant is gradually by traditional solvent based product hydrotropism etc. at present
Environmentally protective product development, therefore a kind of green non-pollution, high glaze, high rigidity are developed, it is good with stone surface attachment
And the protective materials of the other excellent functions (such as negative ion health) of stone material can be assigned, it will production and application to artificial stone produce
Raw important meaning.
Summary of the invention
The technical problems to be solved by the invention: matrix material is coated on for the organic coating with negative ion-releasing function
Material especially building decoration materials when there is a problem of poor adhesive force, heat and flame resistant performance difference, provide a kind of negative ion type function
The preparation method of energy artificial stone.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) prepare mass fraction be 3%PVA aqueous solution, according to parts by weight, respectively weigh 10~20 parts of 3%PVA aqueous solutions, 2~
5 parts of silica solution, the PVA defoaming agent of 0.02~0.05 part of pH=8,0.1~0.16 part of mass fraction are 10% borax soln, by 3%
PVA aqueous solution is placed in a beaker, and silica solution and PVA defoaming agent, 10~15min of prolonged agitation, then slowly drop are added dropwise in agitation
Adding mass fraction is 10% borax soln, and 0.5~1h is stirred in 80 DEG C of water-bath, the sodium hydroxide solution for being 20% with mass fraction
Adjusting pH is 8~9 to get base-material；
(2) according to parts by weight, 80~100 parts of deionized waters, 20~25 parts of pigments and fillers, 10~20 parts of negative ionizations are weighed respectively
Object, 2~6 parts of dispersing agents, 7~10 parts of thickeners, 40~50 parts of base-materials, 3~7 parts of thermal insulating fillings, 1~3 part of defoaming agent are closed, respectively
Water, dispersing agent, 1/2 defoaming agent are placed in reaction kettle, 15~20min is stirred at 200~500r/min, negative ionization is added
Object, thermal insulating filling, pigments and fillers, base-material, thickener and 1/2 defoaming agent, decentralized processing are closed, negative ion type coating is obtained；
(3) in mass ratio 1: 4: 0.2: 2 magnesia oxychloride cement, marble particle, barren rock feed powder slurry and deionized water are stirred
Uniformly, casting 10mm~30mm artificial slabstone matrix；Negative ion type coating is evenly applied to artificial slabstone matrix
On, with a thickness of 1~3mm, it is placed in room temperature after conserving 7 days to get negative ion type function artificial stone.
Titanium dioxide, talcum powder and kaolin are uniformly mixed by pigments and fillers described in step (2) in mass ratio 3: 1: 1, are obtained
Pigments and fillers.
Tourmaline and opal are uniformly mixed at 800 DEG C by anion compound described in step (2) in mass ratio 2: 3
~900 DEG C of calcining 1-2h, obtain anion compound.
Precipitated calcium carbonate and expanded perlite are uniformly mixed by thermal insulating filling described in step (2) in mass ratio 1: 1, are obtained
Thermal insulating filling.
Dispersing agent described in step (2) is neopelex.
Thickener described in step (2) is diatomite.
Defoaming agent described in step (2) is silicone emulsion.
Decentralized processing step described in step (3) are as follows: anion compound, thermal insulating filling and pigments and fillers are added, 2000
~3000r/min, stir 30~40min at 50~60 DEG C, reduce mixing speed, at 400~700r/min, be added base-material,
Thickener and 1/2 defoaming agent silicone emulsion, at the uniform velocity 30~40min of dispersion.
The present invention is compared with other methods, and advantageous effects are:
The present invention masks most of hydroxyl on polyvinyl alcohol using crosslinking agent, and it is Semi-IPN to occur that polyvinyl alcohol with silica solution
Network connection, the excellent film forming of the resulting existing polyvinyl alcohol of compound adhesive, and have the water resistance and hardness of silica solution, then in right amount
Pigments and fillers and functional material, regulation system performance is added, can produce strong with excellent water resistance, functionality and adhesive force
Coating；The present invention has the advantages that covering power is good, weatherability is high using titanium dioxide, and the coloring of paint film can be changed in precipitated calcium carbonate
Power and covering power, and improve the mobility of lotion, kaolin with particle, stablize by thin, wetting and dispersing, and suspension is good, facilitates
It is dust-proof, kaolin is added and saves titanium dioxide while guaranteeing covering power, reduces cost, talcum powder makes coating be easy to brush and have
The durability of good levelability and enhancing coating, paint adhesion obtained is strong, water-tolerant, functional and heat-proof quality
Well.
Specific embodiment
Preparation mass fraction is 3%PVA aqueous solution, according to parts by weight, weighs 10~20 parts of 3%PVA aqueous solutions, 2 respectively
~5 parts of silica solution, the PVA defoaming agent of 0.02~0.05 part of pH=8,0.1~0.16 part of mass fraction are 10% borax soln, by 3%
PVA aqueous solution is placed in a beaker, and silica solution and PVA defoaming agent, 10~15min of prolonged agitation, then slowly drop are added dropwise in agitation
Adding mass fraction is 10% borax soln, and 0.5~1h is stirred in 80 DEG C of water-bath, the sodium hydroxide solution for being 20% with mass fraction
Adjusting pH is 8~9 to get base-material；In mass ratio 3: 1: 1 are uniformly mixed titanium dioxide, talcum powder and kaolin, obtain pigments and fillers；
In mass ratio 2: 3 are uniformly mixed tourmaline and opal in 800 DEG C~900 DEG C 1~2h of calcining, obtain anion compound；It presses
Precipitated calcium carbonate and expanded perlite are uniformly mixed by mass ratio 1: 1, obtain thermal insulating filling；According to parts by weight, 80 are weighed respectively
~100 parts of deionized waters, 20~25 parts of pigments and fillers, 10~20 parts of anion compounds, 2~6 parts of dispersing agent detergent alkylate sulphurs
Sour sodium, 7~10 parts of thickener diatomite, 40~50 parts of base-materials, 3~7 parts of thermal insulating fillings, 1~3 part of defoaming agent silicone emulsion, point
Water, neopelex, 1/2 defoaming agent silicone emulsion are not placed in reaction kettle, stir 15 at 200~500r/min
~20min is added anion compound, thermal insulating filling and pigments and fillers, stirs 30 at 2000~3000r/min, 50~60 DEG C
~40min reduces mixing speed, and at 400~700r/min, base-material, thickener and 1/2 defoaming agent silicone emulsion is added, even
Speed 30~40min of dispersion, obtains negative ion type coating；In mass ratio 1: 4: 0.2: 2 by magnesia oxychloride cement, marble particle, barren rock
Feed powder slurry and deionized water are uniformly mixed, casting 10mm~30mm artificial slabstone matrix；By negative ion type coating
It is evenly applied on artificial slabstone matrix, with a thickness of 1~3mm, is placed in room temperature after conserving 7 days to get negative ion type function
Artificial stone.
Preparation mass fraction is 3%PVA aqueous solution, according to parts by weight, weighs 10 parts of 3%PVA aqueous solutions, 2 parts of silicon respectively
Colloidal sol, the PVA defoaming agent of 0.02 part of pH=8,0.1 part of mass fraction are 10% borax soln, and 3%PVA aqueous solution is placed in beaker
In, silica solution and PVA defoaming agent, prolonged agitation 10min is added dropwise in agitation, then it is that 10% borax is molten that mass fraction, which is slowly added dropwise,
Liquid stirs 0.5h in 80 DEG C of water-bath, and it is 8 to get base-material that the sodium hydroxide solution for being 20% with mass fraction, which adjusts pH,；By matter
Titanium dioxide, talcum powder and kaolin are uniformly mixed by amount than 3: 1: 1, obtain pigments and fillers；In mass ratio 2: 3 by tourmaline and opal
It is uniformly mixed in 800 DEG C of calcining 1h, obtains anion compound；In mass ratio 1: 1 mixes precipitated calcium carbonate and expanded perlite
Uniformly, thermal insulating filling is obtained；According to parts by weight, 80 parts of deionized waters, 20 parts of pigments and fillers, 10 parts of anion chemical combination are weighed respectively
Object, 2 parts of dispersing agent neopelexes, 7 parts of thickener diatomite, 40 parts of base-materials, 3 parts of thermal insulating fillings, 1 part of defoaming agent cream
Water, neopelex, 1/2 defoaming agent silicone emulsion, are placed in reaction kettle respectively, stir at 200r/min by SiClx oil
15min is mixed, anion compound, thermal insulating filling and pigments and fillers are added, stir 30min at 2000r/min, 50 DEG C, reduction is stirred
Speed is mixed, at 400r/min, base-material, thickener and 1/2 defoaming agent silicone emulsion is added, at the uniform velocity dispersion 30min, obtains anion
Type coating；In mass ratio 1: 4: 0.2: 2 are stirred magnesia oxychloride cement, marble particle, barren rock feed powder slurry and deionized water
Uniformly, casting 10mm artificial slabstone matrix；Negative ion type coating is evenly applied on artificial slabstone matrix, thickness
For 1mm, it is placed in room temperature after conserving 7 days to get negative ion type function artificial stone.
Preparation mass fraction is 3%PVA aqueous solution, according to parts by weight, weighs 15 parts of 3%PVA aqueous solutions, 3 parts of silicon respectively
Colloidal sol, the PVA defoaming agent of 0.03 part of pH=8,0.13 part of mass fraction are 10% borax soln, and 3%PVA aqueous solution is placed in beaker
In, silica solution and PVA defoaming agent, prolonged agitation 13min is added dropwise in agitation, then it is that 10% borax is molten that mass fraction, which is slowly added dropwise,
Liquid stirs 0.75h in 80 DEG C of water-bath, and it is 8 to get base-material that the sodium hydroxide solution for being 20% with mass fraction, which adjusts pH,；By matter
Titanium dioxide, talcum powder and kaolin are uniformly mixed by amount than 3: 1: 1, obtain pigments and fillers；In mass ratio 2: 3 by tourmaline and opal
It is uniformly mixed in 850 DEG C of calcining 2h, obtains anion compound；In mass ratio 1: 1 mixes precipitated calcium carbonate and expanded perlite
Uniformly, thermal insulating filling is obtained；According to parts by weight, 90 parts of deionized waters, 23 parts of pigments and fillers, 15 parts of anion chemical combination are weighed respectively
Object, 4 parts of dispersing agent neopelexes, 8 parts of thickener diatomite, 45 parts of base-materials, 5 parts of thermal insulating fillings, 2 parts of defoaming agent creams
Water, neopelex, 1/2 defoaming agent silicone emulsion, are placed in reaction kettle respectively, stir at 350r/min by SiClx oil
18min is mixed, anion compound, thermal insulating filling and pigments and fillers are added, stir 35min at 2500r/min, 55 DEG C, reduction is stirred
Speed is mixed, at 550r/min, base-material, thickener and 1/2 defoaming agent silicone emulsion is added, at the uniform velocity dispersion 35min, obtains anion
Type coating；In mass ratio 1: 4: 0.2: 2 are stirred magnesia oxychloride cement, marble particle, barren rock feed powder slurry and deionized water
Uniformly, casting 20mm artificial slabstone matrix；Negative ion type coating is evenly applied on artificial slabstone matrix, thickness
For 2mm, it is placed in room temperature after conserving 7 days to get negative ion type function artificial stone.
Preparation mass fraction is 3%PVA aqueous solution, according to parts by weight, weighs 20 parts of 3%PVA aqueous solutions, 5 parts of silicon respectively
Colloidal sol, the PVA defoaming agent of 0.05 part of pH=8,0.16 part of mass fraction are 10% borax soln, and 3%PVA aqueous solution is placed in beaker
In, silica solution and PVA defoaming agent, prolonged agitation 15min is added dropwise in agitation, then it is that 10% borax is molten that mass fraction, which is slowly added dropwise,
Liquid stirs 1h in 80 DEG C of water-bath, and it is 9 to get base-material that the sodium hydroxide solution for being 20% with mass fraction, which adjusts pH,；By quality
Titanium dioxide, talcum powder and kaolin are uniformly mixed than 3: 1: 1, obtain pigments and fillers；In mass ratio 2: 3 mix tourmaline and opal
It closes uniformly in 900 DEG C of calcining 1-2h, obtains anion compound；In mass ratio 1: 1 mixes precipitated calcium carbonate and expanded perlite
Uniformly, thermal insulating filling is obtained；According to parts by weight, 100 parts of deionized waters, 25 parts of pigments and fillers, 20 parts of anion chemical combination are weighed respectively
Object, 6 parts of dispersing agent neopelexes, 10 parts of thickener diatomite, 50 parts of base-materials, 7 parts of thermal insulating fillings, 3 parts of defoaming agents
Water, neopelex, 1/2 defoaming agent silicone emulsion are placed in reaction kettle, at 500r/min by silicone emulsion respectively
20min is stirred, anion compound, thermal insulating filling and pigments and fillers are added, stir 40min at 3000r/min, 60 DEG C, is reduced
Base-material, thickener and 1/2 defoaming agent silicone emulsion is added at 700r/min in mixing speed, at the uniform velocity dispersion 40min, must bear from
Subtype coating；Magnesia oxychloride cement, marble particle, barren rock feed powder slurry and deionized water are stirred and are mixed by mass ratio 1: 4: 0.2: 2
It closes uniformly, casting 30mm artificial slabstone matrix；Negative ion type coating is evenly applied on artificial slabstone matrix, it is thick
Degree is 3mm, is placed in room temperature after conserving 7 days to get negative ion type function artificial stone.
The artificial stone that negative ion type function artificial stone prepared by the present invention and Guangzhou company produce is detected, is had
Body testing result is as follows:
(1) with JC/T1016-2006 material anion method weight testing method inspection occurs for negative ion type function artificial stone of the present invention；
(2) it is examined with the natural ornamental stone test method part 2 of GB/T9966.2, dry bending strength is 21MPa；
(3) it is examined with the natural ornamental stone test method third portion of GB/T9966.3；
(4) with the inspection of DB44/T768-2010 Appendix B Mohs' hardness test method.
1 negative ion type function artificial stone performance characterization of table
As shown in Table 1, resistance to negative ion type function artificial stone prepared by the present invention, anion burst size is high, dry bending strength
Can be excellent, Mohs' hardness is big, after fractureing its basis material with surface layer is still closely coupled is integrated, be not layered peeling, with compared with
Good market prospects and application prospect.
Claims (8)
1. a kind of preparation method of negative ion type function artificial stone, which is characterized in that specific preparation step are as follows:
(1) prepare mass fraction be 3%PVA aqueous solution, according to parts by weight, respectively weigh 10~20 parts of 3%PVA aqueous solutions, 2~
5 parts of silica solution, the PVA defoaming agent of 0.02~0.05 part of pH=8,0.1~0.16 part of mass fraction are 10% borax soln, by 3%
PVA aqueous solution is placed in a beaker, and silica solution and PVA defoaming agent, 10~15 min of prolonged agitation, then slowly drop are added dropwise in agitation
Adding mass fraction is 10% borax soln, and 0.5~1h is stirred in 80 DEG C of water-bath, the sodium hydroxide solution for being 20% with mass fraction
Adjusting pH is 8~9 to get base-material；
(2) according to parts by weight, 80~100 parts of deionized waters, 20~25 parts of pigments and fillers, 10~20 parts of negative ionizations are weighed respectively
Object, 2~6 parts of dispersing agents, 7~10 parts of thickeners, 40~50 parts of base-materials, 3~7 parts of thermal insulating fillings, 1~3 part of defoaming agent are closed, respectively
Water, dispersing agent, 1/2 defoaming agent are placed in reaction kettle, 15~20min is stirred at 200~500r/min, negative ionization is added
Object, thermal insulating filling, pigments and fillers, base-material, thickener and 1/2 defoaming agent, decentralized processing are closed, negative ion type coating is obtained；
(3) in mass ratio 1: 4: 0.2: 2 magnesia oxychloride cement, marble particle, barren rock feed powder slurry and deionized water are stirred
Uniformly, casting 10mm~30mm artificial slabstone matrix；Negative ion type coating is evenly applied to artificial slabstone matrix
On, with a thickness of 1~3mm, it is placed in room temperature after conserving 7 days to get negative ion type function artificial stone.
2. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (2)
Titanium dioxide, talcum powder and kaolin are uniformly mixed by the pigments and fillers in mass ratio 3: 1: 1, obtain pigments and fillers.
3. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (2)
Tourmaline and opal are uniformly mixed in 800 DEG C~900 DEG C calcining 1- by the anion compound in mass ratio 2: 3
2h obtains anion compound.
4. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (2)
Precipitated calcium carbonate and expanded perlite are uniformly mixed by the thermal insulating filling in mass ratio 1: 1, obtain thermal insulating filling.
5. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (2)
The dispersing agent is neopelex.
6. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (2)
The thickener is diatomite.
7. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (2)
The defoaming agent is silicone emulsion.
8. a kind of preparation method of negative ion type function artificial stone according to claim 1, it is characterised in that: step (3)
The decentralized processing step are as follows: anion compound, thermal insulating filling and pigments and fillers is added, 2000~3000r/min, 50~
30~40min is stirred at 60 DEG C, reduces mixing speed, and at 400~700r/min, base-material, thickener and 1/2 defoaming agent is added
Silicone emulsion, at the uniform velocity 30~40min of dispersion.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN116333597A (en) * | 2023-02-15 | 2023-06-27 | 梁本武 | Reverse acidic coating and preparation method thereof |
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| CN116333597A (en) * | 2023-02-15 | 2023-06-27 | 梁本武 | Reverse acidic coating and preparation method thereof |
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