CN104893544A - Fireproof wind-sand-resistant paint for desert environment wood ancient building and preparation method of fireproof wind-sand-resistant paint - Google Patents
Fireproof wind-sand-resistant paint for desert environment wood ancient building and preparation method of fireproof wind-sand-resistant paint Download PDFInfo
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- CN104893544A CN104893544A CN201510313023.2A CN201510313023A CN104893544A CN 104893544 A CN104893544 A CN 104893544A CN 201510313023 A CN201510313023 A CN 201510313023A CN 104893544 A CN104893544 A CN 104893544A
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09D5/18—Fireproof paints including high temperature resistant 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention provides fireproof wind-sand-resistant paint for a desert environment wood ancient building and a preparation method of the fireproof wind-sand-resistant paint. The paint comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 1:2; the component A is prepared by adopting the following ingredients in parts by weight: 90 to 120 parts of acrylic polyurethane aqueous dispersion, 0.5 to 1.5 parts of a thickening agent and 5 to 20 parts of deionized water; the component B is prepared from the following ingredients in parts by weight: 2 to 8 parts of PMA, 0.5 to 5 parts of a dispersion agent, 0.2 to 0.8 part of a defoaming agent, 10 to 30 parts of deionized water, 10 to 40 parts of superfine talcum powder, 10 to 40 parts of kaolin, 10 to 30 parts of iron oxide red and 0.8 to 1.2 part of dimethyl methyl phosphonate. The combination force between the prepared paint and an iron tower foundation body is strong, and the prepared paint is environmentally friendly, has wind-sand impact resisting property and can meet the protection requirement of the desert environment wood ancient building. The paint is simple to produce and good in construction performance and does not need high-temperature curing and is rapid to dry at room temperature.
Description
Technical field
The present invention relates to a kind of coating technology, especially Gobi desert environment wooden old architecture survey anti-blown sand coating and preparation method thereof.
Background technology
China is one the country enriching traditional culture.Wherein, wooden ancient building is a very important part, and we therefrom can find out other the reach of science situations of contemporaneity and level reached at that time.They are national non-renewable precious legacy of historys, are the important symbols of Civilization, are national treasures.Therefore, the work of protection ancient building just seems particularly important, and the wooden conservation of historic buildings of environment of current Gobi desert exists two problems: the first, the various wood members in ancient building, has burning and propagating flame performance well.And ancient building roof is closely tight, when presence of fire, the cigarette heat of inside, roof is not easily distributed, and temperature is easily gathered, and causes rapidly the ancient building that " Hong combustion " is particularly tall and big; Ancient building adopts cohort plane figure mostly, take garden as composite unit.This kind of groups is connected, arrange that height is straggly in groups, density interphase, cornice overlap joint between palace, gallery is connected, make firebreak between buildings not enough, lack safe space, easily cause after catching fire uncontrollable, simultaneously under the condition of oxygen abundance, the fire spreads quickly, involves in a criminal case in flakes, produces uncontrollable situation.The second, within thousand, impacted by dust storm if wooden ancient building is gone through for a long time or collide, wooden structures can be made to damage.Therefore, require that Gobi desert environment wooden ancient building coating has excellent anti-blown sand impact.
Summary of the invention
The present invention overcomes the defect of prior art; a kind of Gobi desert environment wooden old architecture survey anti-blown sand coating and preparation method thereof is provided; this coating not only has fire prevention and anti-blown sand performance; and environmental protection has environmental ecology friendly; the occasion such as inner-outer wall at wooden heritage buildings can be brushed, have a wide range of applications in wooden building historical relic anti-blown sand protection field.
Realizing the technical scheme that technical problem of the present invention takes is:
A kind of Gobi desert environment wooden old architecture survey anti-blown sand coating, comprise first component and second component, the quality proportioning of described first component and second component is 1:2;
Described first component comprises following components in mass portion number and is made into:
Crylic acid polyurethane aqueous dispersion body 90 ~ 120 parts;
Thickening material 0.5 ~ 1.5 part;
Deionized water 5 ~ 20 parts;
Described second component comprises following components in mass portion number and is made into:
1-Methoxy-2-propyl acetate 2 ~ 8 parts;
Dispersion agent 0.5 ~ 5 part;
Defoamer 0.2 ~ 0.8 part;
Deionized water 10 ~ 30 parts;
Superfine talcum powder 10 ~ 40 parts;
Kaolin 10 ~ 40 parts;
Iron oxide red 10 ~ 30 parts;
Dimethyl methyl phosphonate 0.8 ~ 1.2 part.
Further, described second component also comprises nanometer MoS
2anti-wear agent 10 ~ 20 parts.
Further, described thickening material is polyurethane associative thickener.
Further, described dispersion agent is ammonium polyacrylate salt dispersion agent.
Further, described defoamer is silicone based defoamer.
Further, described nanometer MoS
2anti-wear agent mean particle size 80nm.
On the other hand, the present invention also provides the preparation method of a kind of described Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises the following steps:
Step 1, nanometer MoS
2prepared by anti-wear agent;
Step 2, thickening material and deionized water added agitator mixing, at 300rmin
-1speed stir under, then add crylic acid polyurethane aqueous dispersion body, high speed dispersion 30min, obtain first component;
Step 3, dispersion agent, defoamer, 1-Methoxy-2-propyl acetate and deionized water are added Homogeneous phase mixing in pot of getting the raw materials ready, at 1000rmin
-1speed under stir, add iron oxide red, superfine talcum powder, kaolin, dimethyl methyl phosphonate, nanometer MoS
2anti-wear agent, low speed dispersion on high speed dispersor, then high speed dispersion; Under the effect of high shear force, sand milling dispersion, until fineness is less than 20 μm, obtains second component;
Described first component, second component are mixed by quality proportioning 1:2 when step 4, construction, uniform stirring, can use after slaking 10min.
Further, nanometer MoS described in step 1
2step prepared by anti-wear agent is as follows:
Step 1-1, S powder is dissolved in CS
2and CCL
4mixing solutions in, after S dissolves completely, then in this mixing solutions, add the class ball-type MoO utilizing sonochemical method to prepare
3nano particle;
Step 1-2, described mixing solutions is stirred 15min after, ultrasonic disperse 30min;
Step 1-3, under ventilating kitchen room temperature, after described mixing solutions nature volatile dry, obtain MoO
3the composite granule of coated with uniform S;
Step 1-4, described composite granule to be spread in silica tube equably, and insert vacuum tube furnace reaction and obtain MoS
2nano particle.
Further, the MoO described in step 1-1
3the mol ratio of nano particle and S is 1: 3.
Further, the vacuum tube furnace processing parameter described in step 1-4: be evacuated to 1Pa, passes into high-purity H
2to 0.5 × 105Pa, Heating temperature 700 DEG C, insulation 1h.
Beneficial effect:
(1) by adding nanometer MoS in coating
2anti-wear agent improves coating abrasion performance and protects wooden ancient building to impact dust storm, and the wear resistance that can improve coating makes wooden ancient building surface anti-blown sand aggressiveness strengthen;
(2) main film forming substance is disperseed to form under certain processing condition by crylic acid polyurethane aqueous dispersion body and 1-Methoxy-2-propyl acetate, and the paint film after solidification has high crosslink density, strong adhesion, high rigidity, the features such as high solids content; And the fabulous water-fast external wall waterproof construction being applicable to wooden building, and the waterproof construction of indoor;
(3) fire retardant of coating uses the non-expansion type dimethyl methyl phosphonate that decorative appearance is good, and flameproof effect is applicable to well the inner-outer wall of wooden building;
(4) adopt coating of the present invention to be constructed into film thickness for twice and can reach hundred microns, cost is low, and production technique is simple; Coating lacquer film thickness more than 100 μm, water tolerance is greater than 240h and passes through, and wooden stick vertical combustion records that rate of weight loss is less than 1%, charing is highly less than 10 ㎝, and wear-resisting revolution reaches 1000 ~ 1400 turns, and painting quality loss is less than 0.07g (100r)
-1.This coating not only has fire prevention and anti-blown sand performance, and environmental protection has environmental ecology friendly, can brush the occasion such as inner-outer wall at wooden heritage buildings, protect field to have a wide range of applications at wooden building historical relic anti-blown sand.
Embodiment
In order to make content of the present invention more easily originally be expressly understood, below according to specific embodiment, the present invention is further detailed explanation.
Embodiment 1
Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises first component and second component, and the quality proportioning of described first component and second component is 1:2;
First component comprises following components in mass portion number and is made into:
Crylic acid polyurethane aqueous dispersion body 100 parts;
Thickening material 1.0 parts;
Deionized water 10 parts;
Described second component comprises following components in mass portion number and is made into:
1-Methoxy-2-propyl acetate 5 parts;
Dispersion agent 1 part;
Defoamer 0.5 part;
Deionized water 15 parts;
Superfine talcum powder 20 parts;
Kaolin 15 parts;
Iron oxide red 15 parts;
Dimethyl methyl phosphonate 0.8 part.
Nanometer MoS
2anti-wear agent 10 parts, nanometer MoS
2anti-wear agent mean particle size 80nm.
Thickening material is polyurethane associative thickener, preferably 612.Dispersion agent is ammonium polyacrylate salt dispersion agent, preferred BYK190.Defoamer is silicone based defoamer, preferred BYK022.
A preparation method for described Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises the following steps:
Step 1, nanometer MoS
2prepared by anti-wear agent;
Step 1-1, S powder is dissolved in CS
2and CCL
4mixing solutions in, after S dissolves completely, then in this mixing solutions, add the class ball-type MoO utilizing sonochemical method to prepare
3nano particle;
Described MoO
3the mol ratio of nano particle and S is 1: 3.
Step 1-2, described mixing solutions is stirred 15min after, ultrasonic disperse 30min;
Step 1-3, under ventilating kitchen room temperature, after described mixing solutions nature volatile dry, obtain MoO
3the composite granule of coated with uniform S;
Step 1-4, described composite granule to be spread in silica tube equably, and insert vacuum tube furnace reaction and obtain MoS
2nano particle.
Vacuum tube furnace processing parameter: be evacuated to 1Pa, passes into high-purity H
2to 0.5 × 105Pa, Heating temperature 700 DEG C, insulation 1h.
Step 2, by 1.0 parts of thickening materials and go 5 parts of deionized waters add agitator mixing, at 300rmin
-1speed stir under, then add 100 parts of crylic acid polyurethane aqueous dispersion body, high speed dispersion 30min, obtain first component;
Step 3,1 part of dispersion agent, 0.5 part of defoamer, 5 parts of 1-Methoxy-2-propyl acetates and 15 parts of deionized waters are added Homogeneous phase mixing in pot of getting the raw materials ready, at 1000rmin
-1speed under stir, add 15 parts of iron oxide reds, 20 parts of superfine talcum powders, 15 parts of kaolin, 0.8 part of dimethyl methyl phosphonate, 10 parts of nanometer MoS
2anti-wear agent, low speed dispersion on high speed dispersor, then high speed dispersion; Under the effect of high shear force, sand milling dispersion, until fineness is less than 20 μm, obtains second component;
Described first component, second component are mixed by quality proportioning 1:2 when step 4, construction, uniform stirring, can use after slaking 10min.
Performance test is carried out to the Gobi desert environment wooden old architecture survey anti-blown sand coating that the preparation method of the present embodiment prepares:
Water tolerance: be dipped in distilled water by 2/3 of the model area scribbling this coating, takes out coating without foaming, without loss of gloss, to come off etc. without variable color and nothing breakoff phenomenon after 244h.
Fire line: be placed on by the wooden stick test specimen coating this coating and contain on the tray for combustion of alcohol in burning cabinet, ignition 100 is stopped working second, records rate of weight loss 0.93%, charing height 9.6 ㎝.
Wear resistance: the testing method specifying paint film wear resisting property according to standard GB/T 1768-(79) 88, adopt coating wear resistant instrument, under a fixed load, elastic grinding wheel polishing coating revolution reaches 1000 ~ 1400 turns, and painting quality loss is only 0.07g (100r)
-1.
Embodiment 2
Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises first component and second component, and the quality proportioning of described first component and second component is 1:2;
First component comprises following components in mass portion number and is made into:
Crylic acid polyurethane aqueous dispersion body 110 parts;
Thickening material 1.0 parts;
Deionized water 15 parts;
Described second component comprises following components in mass portion number and is made into:
1-Methoxy-2-propyl acetate 5 parts;
Dispersion agent 1 part;
Defoamer 0.5 part;
Deionized water 15 parts;
Superfine talcum powder 20 parts;
Kaolin 15 parts;
Iron oxide red 15 parts;
Dimethyl methyl phosphonate 1 part.
Nanometer MoS
2anti-wear agent 15 parts, nanometer MoS
2anti-wear agent mean particle size 80nm.
Thickening material is polyurethane associative thickener, preferably 612.Dispersion agent is ammonium polyacrylate salt dispersion agent, preferred BYK190.Defoamer is silicone based defoamer, preferred BYK022.
A preparation method for described Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises the following steps:
Step 1, nanometer MoS
2prepared by anti-wear agent;
Step 1-1, S powder is dissolved in CS
2and CCL
4mixing solutions in, after S dissolves completely, then in this mixing solutions, add the class ball-type MoO utilizing sonochemical method to prepare
3nano particle;
Described MoO
3the mol ratio of nano particle and S is 1: 3.
Step 1-2, described mixing solutions is stirred 15min after, ultrasonic disperse 30min;
Step 1-3, under ventilating kitchen room temperature, after described mixing solutions nature volatile dry, obtain MoO
3the composite granule of coated with uniform S;
Step 1-4, described composite granule to be spread in silica tube equably, and insert vacuum tube furnace reaction and obtain MoS
2nano particle.
Vacuum tube furnace processing parameter: be evacuated to 1Pa, passes into high-purity H
2to 0.5 × 105Pa, Heating temperature 700 DEG C, insulation 1h.
Step 2, by 1.0 parts of thickening materials and go 5 parts of deionized waters add agitator mixing, at 300rmin
-1speed stir under, then add 110 parts of crylic acid polyurethane aqueous dispersion body, high speed dispersion 30min, obtain first component;
Step 3,1 part of dispersion agent, 0.5 part of defoamer, 5 parts of 1-Methoxy-2-propyl acetates and 15 parts of deionized waters are added Homogeneous phase mixing in pot of getting the raw materials ready, at 1000rmin
-1speed under stir, add 15 parts of iron oxide reds, 20 parts of superfine talcum powders, 15 parts of kaolin, 1 part of dimethyl methyl phosphonate, 15 parts of nanometer MoS
2anti-wear agent, low speed dispersion on high speed dispersor, then high speed dispersion; Under the effect of high shear force, sand milling dispersion, until fineness is less than 20 μm, obtains second component;
Described first component, second component are mixed by quality proportioning 1:2 when step 4, construction, uniform stirring, can use after slaking 10min.
Performance test is carried out to the Gobi desert environment wooden old architecture survey anti-blown sand coating that the preparation method of the present embodiment prepares:
Water tolerance: be dipped in distilled water by 2/3 of the model area scribbling this coating, takes out coating without foaming, without loss of gloss, to come off etc. without variable color and nothing breakoff phenomenon after 284h.
Fire line: be placed on by the wooden stick test specimen coating this coating and contain on the tray for combustion of alcohol in burning cabinet, ignition 100 is stopped working second, records rate of weight loss 0.89%, charing height 9.1 ㎝.
Wear resistance: the testing method specifying paint film wear resisting property according to standard GB/T 1768-(79) 88, adopt coating wear resistant instrument, under a fixed load, elastic grinding wheel polishing coating revolution reaches 1000 ~ 1400 turns, and painting quality loss is only 0.065g (100r)
-1.
Embodiment 3
Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises first component and second component, and the quality proportioning of described first component and second component is 1:2;
First component comprises following components in mass portion number and is made into:
Crylic acid polyurethane aqueous dispersion body 120 parts;
Thickening material 1.5 parts;
Deionized water 20 parts;
Described second component comprises following components in mass portion number and is made into:
1-Methoxy-2-propyl acetate 8 parts;
Dispersion agent 5 parts;
Defoamer 0.8 part;
Deionized water 30 parts;
Superfine talcum powder 40 parts;
Kaolin 40 parts;
Iron oxide red 30 parts;
Dimethyl methyl phosphonate 1.2 parts.
Nanometer MoS
2anti-wear agent 20 parts, nanometer MoS
2anti-wear agent mean particle size 80nm.
Thickening material is polyurethane associative thickener, preferably 612.Dispersion agent is ammonium polyacrylate salt dispersion agent, preferred BYK190.Defoamer is silicone based defoamer, preferred BYK022.
A preparation method for described Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises the following steps:
Step 1, nanometer MoS
2prepared by anti-wear agent;
Step 1-1, S powder is dissolved in CS
2and CCL
4mixing solutions in, after S dissolves completely, then in this mixing solutions, add the class ball-type MoO utilizing sonochemical method to prepare
3nano particle;
Described MoO
3the mol ratio of nano particle and S is 1: 3.
Step 1-2, described mixing solutions is stirred 15min after, ultrasonic disperse 30min;
Step 1-3, under ventilating kitchen room temperature, after described mixing solutions nature volatile dry, obtain MoO
3the composite granule of coated with uniform S;
Step 1-4, described composite granule to be spread in silica tube equably, and insert vacuum tube furnace reaction and obtain MoS
2nano particle.
Vacuum tube furnace processing parameter: be evacuated to 1Pa, passes into high-purity H2 to 0.5 × 105Pa, Heating temperature 700 DEG C, insulation 1h.
Step 2, by 1.5 parts of thickening materials and go 5 parts of deionized waters add agitator mixing, at 300rmin
-1speed stir under, then add 120 parts of crylic acid polyurethane aqueous dispersion body, high speed dispersion 30min, obtain first component;
Step 3,5 parts of dispersion agents, 0.8 part of defoamer, 8 parts of 1-Methoxy-2-propyl acetates and 30 parts of deionized waters are added Homogeneous phase mixing in pot of getting the raw materials ready, at 1000rmin
-1speed under stir, add 30 parts of iron oxide reds, 40 parts of superfine talcum powders, 40 parts of kaolin, 1.2 parts of dimethyl methyl phosphonates, 20 parts of nanometer MoS
2anti-wear agent, low speed dispersion on high speed dispersor, then high speed dispersion; Under the effect of high shear force, sand milling dispersion, until fineness is less than 20 μm, obtains second component;
Described first component, second component are mixed by quality proportioning 1:2 when step 4, construction, uniform stirring, can use after slaking 10min.
Performance test is carried out to the Gobi desert environment wooden old architecture survey anti-blown sand coating that the preparation method of the present embodiment prepares:
Water tolerance: be dipped in distilled water by 2/3 of japanning model area, takes out coating without foaming, without loss of gloss, to come off etc. without variable color and nothing breakoff phenomenon after 300h.
Fire line: be placed on by the wooden stick test specimen coating this coating and contain on the tray for combustion of alcohol in burning cabinet, ignition 100 is stopped working second, records rate of weight loss 0.87%, charing height 8.8 ㎝.
Wear resistance: the testing method specifying paint film wear resisting property according to standard GB/T 1768-(79) 88, adopt coating wear resistant instrument, under a fixed load, elastic grinding wheel polishing coating revolution reaches 1000 ~ 1400 turns, and painting quality loss is only 0.059g (100r)
-1.
Embodiment 4
Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises first component and second component, and the quality proportioning of described first component and second component is 1:2;
First component comprises following components in mass portion number and is made into:
Crylic acid polyurethane aqueous dispersion body 90 parts;
Thickening material 0.5 part;
Deionized water 5 parts;
Described second component comprises following components in mass portion number and is made into:
1-Methoxy-2-propyl acetate 2 parts;
Dispersion agent 0.5 part;
Defoamer 0.2 part;
Deionized water 10 parts;
Superfine talcum powder 10 parts;
Kaolin 10 parts;
Iron oxide red 10 parts;
Dimethyl methyl phosphonate 0.8 part.
Nanometer MoS
2anti-wear agent 10 parts, nanometer MoS
2anti-wear agent mean particle size 80nm.
Thickening material is polyurethane associative thickener, preferably 612.Dispersion agent is ammonium polyacrylate salt dispersion agent, preferred BYK190.Defoamer is silicone based defoamer, preferred BYK022.
A preparation method for described Gobi desert environment wooden old architecture survey anti-blown sand coating, comprises the following steps:
Step 1, nanometer MoS
2prepared by anti-wear agent;
Step 1-1, S powder is dissolved in CS
2and CCL
4mixing solutions in, after S dissolves completely, then in this mixing solutions, add the class ball-type MoO utilizing sonochemical method to prepare
3nano particle;
Described MoO
3the mol ratio of nano particle and S is 1: 3.
Step 1-2, described mixing solutions is stirred 15min after, ultrasonic disperse 30min;
Step 1-3, under ventilating kitchen room temperature, after described mixing solutions nature volatile dry, obtain MoO
3the composite granule of coated with uniform S;
Step 1-4, described composite granule to be spread in silica tube equably, and insert vacuum tube furnace reaction and obtain MoS
2nano particle.
Vacuum tube furnace processing parameter: be evacuated to 1Pa, passes into high-purity H
2to 0.5 × 105Pa, Heating temperature 700 DEG C, insulation 1h.
Step 2, by 1.0 parts of thickening materials and go 5 parts of deionized waters add agitator mixing, at 300rmin
-1speed stir under, then add 90 parts of crylic acid polyurethane aqueous dispersion body, high speed dispersion 30min, obtain first component;
Step 3,0.5 part of dispersion agent, 0.2 part of defoamer, 2 parts of 1-Methoxy-2-propyl acetates and 5 parts of deionized waters are added Homogeneous phase mixing in pot of getting the raw materials ready, at 1000rmin
-1speed under stir, add 10 parts of iron oxide reds, 10 parts of superfine talcum powders, 10 parts of kaolin, 0.8 part of dimethyl methyl phosphonate, 10 parts of nanometer MoS_2 anti-wear agents, on high speed dispersor low speed dispersion, then high speed dispersion; Under the effect of high shear force, sand milling dispersion, until fineness is less than 20 μm, obtains second component;
Described first component, second component are mixed by quality proportioning 1:2 when step 4, construction, uniform stirring, can use after slaking 10min.
Performance test is carried out to the Gobi desert environment wooden old architecture survey anti-blown sand coating that the preparation method of the present embodiment prepares:
Water tolerance: be dipped in distilled water by 2/3 of the model area scribbling this coating, takes out coating without foaming, without loss of gloss, to come off etc. without variable color and nothing breakoff phenomenon after 284h.
Fire line: be placed on by the wooden stick test specimen coating this coating and contain on the tray for combustion of alcohol in burning cabinet, ignition 100 is stopped working second, records rate of weight loss 0.89%, charing height 9.1 ㎝.
Wear resistance: the testing method specifying paint film wear resisting property according to standard GB/T 1768-(79) 88, adopt coating wear resistant instrument, under a fixed load, elastic grinding wheel polishing coating revolution reaches 1000 ~ 1400 turns, and painting quality loss is only 0.065g (100r)
-1.
Nanometer MoS is added in coating prepared by above-mentioned 4 kinds of embodiment methods and many experiments
2anti-wear agent improves coating abrasion performance and protects wooden ancient building to impact dust storm, adopts the coating prepared of the present invention and building substrate bonding force strong and environmental protection, has the requirement of the wooden conservation of historic buildings of characteristic conforms Gobi desert environment of anti-blown sand impact.This coating material production is simple, workability, has without the need to hot setting, the advantages such as drying at room temperature is rapid.This coating can be brushed and be played anti-blown sand erosion action on wooden ancient building surface, has a wide range of applications in fields such as the wooden ancient building anti-blown sands of Gobi desert environment.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Gobi desert environment wooden old architecture survey anti-blown sand coating, is characterized in that, comprises first component and second component, and the quality proportioning of described first component and second component is 1:2;
Described first component comprises following components in mass portion number and is made into:
Crylic acid polyurethane aqueous dispersion body 90 ~ 120 parts;
Thickening material 0.5 ~ 1.5 part;
Deionized water 5 ~ 20 parts;
Described second component comprises following components in mass portion number and is made into:
1-Methoxy-2-propyl acetate 2 ~ 8 parts;
Dispersion agent 0.5 ~ 5 part;
Defoamer 0.2 ~ 0.8 part;
Deionized water 10 ~ 30 parts;
Superfine talcum powder 10 ~ 40 parts;
Kaolin 10 ~ 40 parts;
Iron oxide red 10 ~ 30 parts;
Dimethyl methyl phosphonate 0.8 ~ 1.2 part.
2. Gobi desert environment wooden old architecture survey anti-blown sand coating as claimed in claim 1, it is characterized in that, described second component also comprises nanometer MoS
2anti-wear agent 10 ~ 20 parts.
3. Gobi desert environment wooden old architecture survey anti-blown sand coating as claimed in claim 1, it is characterized in that, described thickening material is polyurethane associative thickener.
4. Gobi desert environment wooden old architecture survey anti-blown sand coating as claimed in claim 1, it is characterized in that, described dispersion agent is ammonium polyacrylate salt dispersion agent.
5. Gobi desert environment wooden old architecture survey anti-blown sand coating as claimed in claim 1, it is characterized in that, described defoamer is silicone based defoamer.
6. Gobi desert environment wooden old architecture survey anti-blown sand coating as claimed in claim 1, is characterized in that, described nanometer MoS
2anti-wear agent mean particle size 80nm.
7. a preparation method for Gobi desert environment wooden old architecture survey anti-blown sand coating as claimed in claim 1 or 2, is characterized in that, comprise the following steps:
Step 1, nanometer MoS
2prepared by anti-wear agent;
Step 2, thickening material and deionized water added agitator mixing, at 300rmin
-1speed stir under, then add crylic acid polyurethane aqueous dispersion body, high speed dispersion 30min, obtain first component;
Step 3, dispersion agent, defoamer, 1-Methoxy-2-propyl acetate and deionized water are added Homogeneous phase mixing in pot of getting the raw materials ready, at 1000rmin
-1speed under stir, add iron oxide red, superfine talcum powder, kaolin, dimethyl methyl phosphonate, nanometer MoS
2anti-wear agent, low speed dispersion on high speed dispersor, then high speed dispersion; Under the effect of high shear force, sand milling dispersion, until fineness is less than 20 μm, obtains second component;
Described first component, second component are mixed by quality proportioning 1:2 when step 4, construction, uniform stirring, can use after slaking 10min.
8. preparation method as claimed in claim 7, is characterized in that, nanometer MoS described in step 1
2step prepared by anti-wear agent is as follows:
Step 1-1, S powder is dissolved in CS
2and CCL
4mixing solutions in, after S dissolves completely, then in this mixing solutions, add the class ball-type MoO utilizing sonochemical method to prepare
3nano particle;
Step 1-2, described mixing solutions is stirred 15min after, ultrasonic disperse 30min;
Step 1-3, under ventilating kitchen room temperature, after described mixing solutions nature volatile dry, obtain MoO
3the composite granule of coated with uniform S;
Step 1-4, described composite granule to be spread in silica tube equably, and insert vacuum tube furnace reaction and obtain MoS
2nano particle.
9. preparation method as claimed in claim 8, is characterized in that, the MoO described in step 1-1
3the mol ratio of nano particle and S is 1: 3.
10. preparation method as claimed in claim 8, it is characterized in that, the vacuum tube furnace processing parameter described in step 1-4: be evacuated to 1Pa, passes into high-purity H
2to 0.5 × 10
5pa, Heating temperature 700 DEG C, insulation 1h.
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