CN105907214A - Preparation method of nanometer composite environment-protection water-borne floor paint - Google Patents
Preparation method of nanometer composite environment-protection water-borne floor paint Download PDFInfo
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- CN105907214A CN105907214A CN201610302968.9A CN201610302968A CN105907214A CN 105907214 A CN105907214 A CN 105907214A CN 201610302968 A CN201610302968 A CN 201610302968A CN 105907214 A CN105907214 A CN 105907214A
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- 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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- 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
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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Paints Or Removers (AREA)
Abstract
The invention relates to a preparation method of a nanometer composite environment-protection water-borne floor paint. The preparation method comprises the following steps of (1) putting deionized water into a reaction kettle, sequentially putting a dispersant, a wetting agent, a defoaming agent, a preservative and a mildewproof agent into the reaction kettle, and sending the obtained slurry into a stirring tank; (2) adding a nanometer filler into the stirring tank, stirring, and sending into a grinding machine; (3) grinding the slurry, and sending into a paint blending tank; (4) controlling the temperature of the paint blending tank, shearing the slurry, adding organic silicon emulsion, stirring, adding a proper amount of flatting agent, and stirring; (5) adding color paste, adjusting the color, and adding a proper amount of flatting agent, so as to obtain a silicone-acrylic coating; (6) adding silicon sol and a lithium-based curing agent, vibrating and filtering, canning the obtained filtering liquid, weighing, and packaging, so as to obtain the nanometer composite environment-protection water-borne floor paint. The preparation method has the advantages that the automatic continuous operation is realized, the production efficiency is greatly improved, the manual cost is reduced, the influence to environments is little, and the environment-protection requirement is met.
Description
Technical field
The invention belongs to field of compound material, be specifically related to the preparation method of a kind of nano combined environment-friendly water-based floor paint.
Background technology
The raising realized along with people's living standard and health environment-friendly, and industrial the going deep into and become more meticulous entrance soon of China
Speed period of expansion, meet the environment-friendly type high performance of current and future economic needs, long-life coating is resident living and industrialization
Product is lasting, stable, efficiently provide effective basic guarantee, and it is built with traffic-operating period also by industrialized production especially
Pay close attention to.Therefore, lasting long-acting surfacecti proteon is provided to become everybody institute for resident and industrialized production the most sustainedly and stably
The focus being concerned about.
Because of the character of use of current coating, there is substantial amounts of organic solvent (mainly including dimethylbenzene and formaldehyde) when construction
Volatilization causes environmental pollution and health to threaten.Further, since all of floor coatings is all normal temperature cure, considerably long at it
Later stage use during, remaining solvent also can constantly carry out discharging in environment and pollutes environment and affect user
Healthy, do not meet environmental requirement, and such floor coatings weatherability is poor, easily peel off, price is high, and service life is short, waste
Resource.
In current industrial coating, solvent-borne type floor coatings has accounted for more than the 95% of coating total amount, along with China's economy
Constructional transfer and to the strictest management of environmental protection and control, the floor coatings of exploitation aqueous, environmental protective is that the industry is very urgent
Work.Water paint is owing to being non-inflammable and explosive common chemicals, therefore low except its VOC, to environment and human health
Affect little outside, also there is production, the security transported, store, use, do not have operation and deal with improperly and the blast that causes
And fire problem occurs, it is current Environmental Protection in China department and safety and Health environment-friendly type coating that each big city is promoted mainly.
Summary of the invention
For the problems referred to above, the present invention provides the preparation method of a kind of nano combined environment-friendly water-based floor paint, can realize certainly
Dynamicization continuous production process, greatly improves production efficiency, reduces cost of labor, and effect on environment is little, meets environmental requirement.
For solving problem above, the present invention is achieved through the following technical solutions:
The preparation method of a kind of nano combined environment-friendly water-based floor paint, comprises the following steps:
(1) deionized water is put in reactor, be stirred, control rotating speed 350～450 r/min；The most successively by dispersant,
Wetting agent, defoamer, preservative, mould inhibitor put in reactor, continue stirring 15～25 under 350～450 r/min rotating speeds
Minute, then, gained slip is squeezed in agitator tank；
(2) agitator tank rotating speed is controlled at 350～450 r/min, Nano filling is slowly added in agitator tank meanwhile, it is desirable to
30～50min add, and then with 700～900 r/min rotating speed stirrings 25～35min, then rotating speed are adjusted to 400～500 r/
Min, squeezes into gained slurry in sand mill meanwhile；
(3) start sand mill to be ground slip (controlling governor rotating speed 600～800 r/min, main frame 700～900 r/
Min), control temperature, below 35 DEG C, is ground to slip fineness≤45 μm, is squeezed in paint mixing tank by gained slurry；
(4) control paint mixing tank temperature is below 40 DEG C, slurry carries out shearing 20min, then, adds organic silicon emulsion, with 400
～500r/min rotating speed is stirred, being simultaneously introduced appropriate levelling agent, make pH regulate to 8～9, viscosity controls 95～105Ku/
25 DEG C, it is stirred for 15～25min；
(5) under 400～500r/min rotating speeds, it is slowly added to mill base mix colours, after color determines, adds appropriate levelling
Agent, controls viscosity, 95～105Ku/25 DEG C, to stir 15～25min, obtain silicon-acrylic coatings；
(6) Ludox and lithium base curing agent are added, and with 700～900 r/min rotating speed stirrings 35～45min；With 220 mesh filters
Net vibration filtering, gained filtrate is carried out canned, weigh, pack, to obtain final product.
Preferably, the weight ratio between described silicon-acrylic coatings, Ludox, lithium base curing agent be 70～80:10～20:5～
10。
It is furthermore preferred that the weight ratio between described silicon-acrylic coatings, Ludox, lithium base curing agent is 80:15:5.
Preferably, the active constituent content of described Ludox is 31～33wt%.
Preferably, in described silicon-acrylic coatings, percentage by weight shared by each raw material is as follows: Nano filling 10～20%, organosilicon
Emulsion 60～70%, levelling agent 0.4～0.6%, preservative 0.1～0.3%, mould inhibitor 0.4～0.6%, defoamer 0.2～0.3%,
Wetting agent 0.1～0.2%, dispersant 0.5～1.0%, surplus is deionized water.
It is furthermore preferred that described Nano filling is talcum powder or alumina powder, described organic silicon emulsion active constituent content 20
～30wt%, described levelling agent is alkyl-modified organosiloxane or dimethyl silicone polymer, and described preservative is sodium sorbate,
Described mould inhibitor is copper sulphate or sodium fluoride, and described defoamer is Siloxane-Oxyalkylene Copolymers solution, and described wetting agent is polyethers
Modified polyorganosiloxane class wetting agent, described dispersant is vinyl bis-stearamides.
In the present invention, silicon-acrylic coatings, Ludox, the proportioning difference of lithium base curing agent, relatively big on properties of product impact, its
In, silicon-acrylic coatings ensures product pliability, impact resistance, it addition, silicon-acrylic coatings absorption is in the week of Ludox film after film is dry
Enclose, the permeability resistance of paint film, water-resistance and adhesive force can be improved.Owing to Ludox containing many silica so that it is have
Large specific surface area, can play suction-operated to inorganic matter and organic matter；During film forming, Ludox therein occurs
Reaction:
Final polycondensation reaction,
Generating build network structure, this network structure film has that good resistance to water, hardness is high, high temperature resistant, weatherability.
But due to this paint film dehydrating condensation at normal temperatures, film still remains a small amount of hydrophilic radical, and there is bigger porosity.Cause
This adds a certain amount of polymer silicon-acrylic coatings, can be greatly improved the high molecular film forming ability of inorganic silicon colloidal sol, and
Make organic polymer can be evenly distributed in the gap of " silica silicon " inorganic polymer film, play shielded inorganic high score
In sub-film, the hydrophilic radical of residual and slow film of speeding during colding and heat succeed each other is flexible, make film have certain elasticity,
Pliability, possesses resistance power.Lithium base curing agent is a kind of activity chemistry solution, it is possible to penetrate concrete surface, and in concrete
Free calcium generation chemical reaction, form the hard hydrated calcium silicate not broken, make concrete surface densification dustless, strengthen impervious anti-
Dirt, the performance such as wear-resistant, improves service life, and reduces maintenance cost.
Another in silicon-acrylic coatings, also there are some Nano filling, nano assistants etc., improve the resistance to water of floor paint, resistance to molten
Agent, resistance to soiling etc..
The present invention has a following positive beneficial effect:
The inventive method can realize automating continuous production process, greatly improves production efficiency, reduces cost of labor, to environment
Affect little, meet environmental requirement.
(1) gained floor paint of the present invention is more environmentally-friendly compared with existing market floor coatings, nonhazardous, and VOC content is less than 50g/
L, meets the environmental protection standard of countries in the world.
(2) present invention utilizes ion chemistry reaction bonded technology, can penetrate in concrete surface by dissociated ion, with mixed
Free calcium generation chemical reaction in solidifying soil forms firm calcium silicates, makes film and terrace basal plane be combined into one effectively
Protection terrace.
(3) products obtained therefrom of the present invention to formation level aqueous require low, construction environment strong adaptability, and easy construction, soon
Rapid-curing cutback is solid, and surface is hard without drag mark.
(4) products obtained therefrom of the present invention is extremely strong to concrete adhesive force, has outstanding weatherability, abrasion performance, acid and alkali-resistance
Property, resistance to impact.
The nano combined environment-friendly water-based floor paint of gained of the present invention is applicable to indoor and outdoor ground, each field terrace, specific as follows:
Business: market, office building, retail, bank, warehouse, the ground terrace of logistics center；Industry: food processing, beverage processing
The ground terrace of the dust-free workshops such as factory, medicine, electronics；Mechanism: church, hospital, university, senior middle school, the ground terrace in museum；Stop
Not busy: holiday village, hotel, gambling house, dining room, theater ground terrace；Government: government building, the ground terrace in prison；House: coagulation
The ground such as face, soil, parking lot.
Detailed description of the invention
Specific examples below is merely to illustrate the present invention, is not intended to limit the scope of the present invention.As nothing specializes,
The raw material components that following example use is the commercial raw material that coating industry is conventional.
Embodiment 1
The preparation method of a kind of nano combined environment-friendly water-based floor paint, comprises the following steps:
(1) deionized water is put in reactor, be stirred, control rotating speed 400r/min；The most successively by dispersant, wetting
Agent, defoamer, preservative, mould inhibitor put in reactor, continue stirring 20 minutes, then, by institute under 400 r/min rotating speeds
Obtain slip to squeeze in agitator tank；
(2) agitator tank rotating speed is controlled at 400 r/min, Nano filling is slowly added in agitator tank, it is desirable to 40min meanwhile
Add, then with 800 r/min rotating speed stirring 30min, then rotating speed is adjusted to 450 r/min, meanwhile, gained slurry is squeezed into sand
In grinding machine；
(3) start sand mill and slip is ground (controlling governor rotating speed 700 r/min, main frame 800 r/min), control temperature
Degree, below 35 DEG C, is ground to slip fineness≤45 μm, is squeezed in paint mixing tank by gained slurry；
(4) control paint mixing tank temperature is below 40 DEG C, slurry carries out shearing 20min, then, adds organic silicon emulsion, with
450r/min rotating speed is stirred, and is simultaneously introduced appropriate levelling agent, makes pH regulate to 8～9, and viscosity controls 95～105Ku/25
DEG C, it is stirred for 20min；
(5) under 450r/min rotating speed, it is slowly added to mill base mix colours, after color determines, adds surplus levelling agent, will
Viscosity controls, 95～105Ku/25 DEG C, to stir 20min；
(6) Ludox and lithium base curing agent are added, and with 800 r/min rotating speed stirring 40min；With 220 mesh filter screen vibration filterings,
Gained filtrate is carried out canned, weigh, pack, to obtain final product.
Silicon-acrylic coatings 80 parts, Ludox 15 parts, 5 parts of lithium base curing agent used.Wherein Ludox performance parameter: 1. chemistry becomes
Point: silica dioxide composite particles dispersion；2. outward appearance: transparency liquid；3. active component: 32 ± 1%；4. pH value: 8.5～10；⑤
Particle diameter: 7nm.Described lithium base curing agent performance parameter: the most admittedly contain: 100%；2. proportion: 1.05 ± 0.01；3. pH value: 10 ±
0.5；5. freezing point: 0 DEG C (32).
In silicon-acrylic coatings, percentage by weight shared by each raw material is as follows: Nano filling 15%, organic silicon emulsion 65%, levelling agent
0.5%, preservative 0.2%, mould inhibitor 0.5%, defoamer 0.2%, wetting agent 0.1%, dispersant 0.8%, surplus is deionized water.Its
Performance: 1. proportion: 1.2 ± 0.1Kg/L；2. viscosity: 95～100KU/25 DEG C；3. pH value: 8.0～9.5；The most admittedly contain: 50 ± 1%.
Described Nano filling is alumina powder, described organic silicon emulsion active constituent content 25wt%, and described levelling agent is alkane
Base modified organic silicon oxygen alkane, described preservative is sodium sorbate, and described mould inhibitor is copper sulphate, and described defoamer is polyether-modified
Polysiloxane solution, described wetting agent is Siloxane-Oxyalkylene Copolymers class wetting agent, and described dispersant is vinyl stearic bicine diester
Amine.
Embodiment 2
The preparation method of a kind of nano combined environment-friendly water-based floor paint, comprises the following steps:
(1) deionized water is put in reactor, be stirred, control rotating speed 350r/min；The most successively by dispersant, wetting
Agent, defoamer, preservative, mould inhibitor put in reactor, continue stirring 15 minutes, then, by institute under 450 r/min rotating speeds
Obtain slip to squeeze in agitator tank；
(2) agitator tank rotating speed is controlled at 350 r/min, Nano filling is slowly added in agitator tank, it is desirable to 30min meanwhile
Add, then stir 35min with 700r/min rotating speed, then rotating speed is adjusted to 400 r/min, meanwhile, gained slurry is squeezed into sand
In grinding machine；
(3) start sand mill and slip is ground (controlling governor rotating speed 600 r/min, main frame 700 r/min), control temperature
Degree, below 35 DEG C, is ground to slip fineness≤45 μm, is squeezed in paint mixing tank by gained slurry；
(4) control paint mixing tank temperature is below 40 DEG C, slurry carries out shearing 20min, then, adds organic silicon emulsion, with
400r/min rotating speed is stirred, and is simultaneously introduced appropriate levelling agent, makes pH regulate to 8～9, and viscosity controls 95～105Ku/25
DEG C, it is stirred for 15min；
(5) under 400r/min rotating speed, it is slowly added to mill base mix colours, after color determines, adds surplus levelling agent, will
Viscosity controls, 95～105Ku/25 DEG C, to stir 25min；
(6) Ludox and lithium base curing agent are added, and with 700 r/min rotating speed stirring 45min；With 220 mesh filter screen vibration filterings,
Gained filtrate is carried out canned, weigh, pack, to obtain final product.
Silicon-acrylic coatings 70 parts, Ludox 20 parts, 10 parts of lithium base curing agent used.Described Ludox performance parameter: 1. chemistry
Composition: silica dioxide composite particles dispersion；2. outward appearance: transparency liquid；3. active component: 32 ± 1%；4. pH value: 8.5～10；
5. particle diameter: 7nm.Described lithium base curing agent performance parameter: the most admittedly contain: 100%；2. proportion: 1.05 ± 0.01；3. pH value: 10 ±
0.5；5. freezing point: 0 DEG C (32).
In silicon-acrylic coatings, percentage by weight shared by each raw material is as follows: Nano filling 20%, organic silicon emulsion 60%, levelling agent
0.6%, preservative 0.1%, mould inhibitor 0.6%, defoamer 0.2%, wetting agent 0.2%, dispersant 0.5%, surplus is deionized water.Its
Performance: 1. proportion: 1.2 ± 0.1Kg/L；2. viscosity: 95～100KU/25 DEG C；3. pH value: 8.0～9.5；The most admittedly contain: 50 ± 1%.
Described Nano filling is talcum powder, described organic silicon emulsion active constituent content 20wt%, and described levelling agent is poly-two
Methylsiloxane, described preservative is sodium sorbate, and described mould inhibitor is sodium fluoride, and described defoamer is polyether-modified poly-silica
Alkane solution, described wetting agent is Siloxane-Oxyalkylene Copolymers class wetting agent, and described dispersant is vinyl bis-stearamides.
Embodiment 3
The preparation method of a kind of nano combined environment-friendly water-based floor paint, comprises the following steps:
(1) deionized water is put in reactor, be stirred, control rotating speed 450r/min；The most successively by dispersant, wetting
Agent, defoamer, preservative, mould inhibitor put in reactor, continue stirring 25 minutes, then, by institute under 350 r/min rotating speeds
Obtain slip to squeeze in agitator tank；
(2) agitator tank rotating speed is controlled at 450 r/min, Nano filling is slowly added in agitator tank, it is desirable to 50min meanwhile
Add, then with 900 r/min rotating speed stirring 25min, then rotating speed is adjusted to 500 r/min, meanwhile, gained slurry is squeezed into sand
In grinding machine；
(3) start sand mill and slip is ground (controlling governor rotating speed 800 r/min, main frame 900 r/min), control temperature
Degree, below 35 DEG C, is ground to slip fineness≤45 μm, is squeezed in paint mixing tank by gained slurry；
(4) control paint mixing tank temperature is below 40 DEG C, slurry carries out shearing 20min, then, adds organic silicon emulsion, with
500r/min rotating speed is stirred, and is simultaneously introduced appropriate levelling agent, makes pH regulate to 8～9, and viscosity controls 95～105Ku/25
DEG C, it is stirred for 25min；
(5) under 500r/min rotating speed, it is slowly added to mill base mix colours, after color determines, adds surplus levelling agent, will
Viscosity controls, 95～105Ku/25 DEG C, to stir 15min；
(6) Ludox and lithium base curing agent are added, and with 900 r/min rotating speed stirring 35min；With 220 mesh filter screen vibration filterings,
Gained filtrate is carried out canned, weigh, pack, to obtain final product.
Silicon-acrylic coatings 80 parts, Ludox 10 parts, 10 parts of lithium base curing agent used.Described Ludox performance parameter: 1. chemistry
Composition: silica dioxide composite particles dispersion；2. outward appearance: transparency liquid；3. active component: 32 ± 1%；4. pH value: 8.5～10；
5. particle diameter: 7nm.Described lithium base curing agent performance parameter: the most admittedly contain: 100%；2. proportion: 1.05 ± 0.01；3. pH value: 10 ±
0.5；5. freezing point: 0 DEG C (32).
In silicon-acrylic coatings, percentage by weight shared by each raw material is as follows: Nano filling 10%, organic silicon emulsion 70%, levelling agent
0.4%, preservative 0.3%, mould inhibitor 0.4%, defoamer 0.3%, wetting agent 0.1%, dispersant 1.0%, surplus is deionized water.Its
Performance: 1. proportion: 1.2 ± 0.1Kg/L；2. viscosity: 95～100KU/25 DEG C；3. pH value: 8.0～9.5；The most admittedly contain: 50 ± 1%.
Described Nano filling is alumina powder, described organic silicon emulsion active constituent content 30wt%, and described levelling agent is alkane
Base modified organic silicon oxygen alkane, described preservative is sodium sorbate, and described mould inhibitor is copper sulphate, and described defoamer is polyether-modified
Polysiloxane solution, described wetting agent is Siloxane-Oxyalkylene Copolymers class wetting agent, and described dispersant is vinyl stearic bicine diester
Amine.
The specific performance index of the nano combined environment-friendly water-based floor paint material of above example gained: the most admittedly contain: 28 ± 1%；
2. proportion: 1.1 ± 0.5Kg/L；3. pH value: 8.0～9.5；4. viscosity: 11～13S/25 DEG C.
The nano combined environment-friendly water-based floor paint usage amount of gained of the present invention depends on quality and the water imbibition of terrace surface, many
The concrete surface in hole may need more coating.
≤ 20% clear water dilution construction can be added in right amount during use, now with the current, typically it is finished in 24h after joining, otherwise waits
Time long such as >=24 hours, should prevent false thick phenomenon from occurring when reaching 3～4 days, affect workability.
Floor coatings film performance of the present invention after construction: 1. drying time: surface drying 1h, touch dry 24h, do solid work 7 days；2. hardness: 3～
4H；3. wearability :≤0.05；4. skid resistance (dry film coefficient of friction): >=0.5；5. resistance to water: >=168h；6. chemical resistance:
120# solvent or gasoline >=72h；7. alkali resistance (20%NaOH) 72h passes through；Acid resistance (10% sulfuric acid) 48h passes through；8. impact resistance
Property: II grade is passed through；9. artificial weathering ageing resistance: 1000h passes through.
Claims (7)
1. the preparation method of a nano combined environment-friendly water-based floor paint, it is characterised in that comprise the following steps:
(1) deionized water is put in reactor, be stirred, control rotating speed 350～450 r/min；The most successively by dispersant,
Wetting agent, defoamer, preservative, mould inhibitor put in reactor, continue stirring 15～25 under 350～450 r/min rotating speeds
Minute, then, gained slip is squeezed in agitator tank；
(2) agitator tank rotating speed is controlled at 350～450 r/min, Nano filling is slowly added in agitator tank meanwhile, it is desirable to
30～50min add, and then with 700～900 r/min rotating speed stirrings 25～35min, then rotating speed are adjusted to 400～500 r/
Min, squeezes into gained slurry in sand mill meanwhile；
(3) starting sand mill to be ground slip, control temperature, below 35 DEG C, is ground to slip fineness≤45 μm, by institute
Obtain slurry to squeeze in paint mixing tank；
(4) control paint mixing tank temperature is below 40 DEG C, slurry carries out shearing 20min, then, adds organic silicon emulsion, with 400
～500r/min rotating speed is stirred, being simultaneously introduced appropriate levelling agent, make pH regulate to 8～9, viscosity controls 95～105Ku/
25 DEG C, it is stirred for 15～25min；
(5) under 400～500r/min rotating speeds, it is slowly added to mill base mix colours, after color determines, adds appropriate levelling
Agent, controls viscosity, 95～105Ku/25 DEG C, to stir 15～25min, obtain silicon-acrylic coatings；
(6) Ludox and lithium base curing agent are added, and with 700～900 r/min rotating speed stirrings 35～45min；With 220 mesh filters
Net vibration filtering, gained filtrate is carried out canned, weigh, pack, to obtain final product.
The preparation method of the most nano combined environment-friendly water-based floor paint, it is characterised in that: step (3) institute
The governor rotating speed stating sand mill is 600～800 r/min, engine speed is 700～900 r/min.
The preparation method of the most nano combined environment-friendly water-based floor paint, it is characterised in that: described silicon third is coated with
Weight ratio between material, Ludox, lithium base curing agent is 70～80:10～20:5～10.
The preparation method of the most nano combined environment-friendly water-based floor paint, it is characterised in that: described silicon third is coated with
Weight ratio between material, Ludox, lithium base curing agent is 80:15:5.
5. according to the preparation method of environment-friendly water-based floor paint nano combined described in claim 3 or 4, it is characterised in that: described silicon
The active constituent content of colloidal sol is 31～33wt%.
6. according to the preparation method of environment-friendly water-based floor paint nano combined described in claim 3 or 4, it is characterised in that: described silicon
In acrylate dope, percentage by weight shared by each raw material is as follows: Nano filling 10～20%, organic silicon emulsion 60～70%, levelling agent 0.4
～0.6%, preservative 0.1～0.3%, mould inhibitor 0.4～0.6%, defoamer 0.2～0.3%, wetting agent 0.1～0.2%, dispersant
0.5～1.0%, surplus is deionized water.
The preparation method of the most nano combined environment-friendly water-based floor paint, it is characterised in that: described nanometer is filled out
Material is talcum powder or alumina powder, and described organic silicon emulsion active constituent content 20～30wt%, described levelling agent is alkyl-modified
Organosiloxane or dimethyl silicone polymer, described preservative is sodium sorbate, and described mould inhibitor is copper sulphate or sodium fluoride, institute
Stating defoamer is Siloxane-Oxyalkylene Copolymers solution, and described wetting agent is Siloxane-Oxyalkylene Copolymers class wetting agent, described dispersion
Agent is vinyl bis-stearamides.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022012015A1 (en) * | 2020-07-14 | 2022-01-20 | 上海保立佳新材料有限公司 | Single-component water-proof high-hardness water-based floor paint and preparation method therefor |
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Application publication date: 20160831 |