CN109385132A - A kind of exterior wall resilient flexible anti-crack mastic powder and its preparation process - Google Patents
A kind of exterior wall resilient flexible anti-crack mastic powder and its preparation process Download PDFInfo
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- 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
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Abstract
The invention discloses a kind of exterior wall resilient flexible anti-crack mastic powder and its preparation processes, belong to the field of building materials.The exterior wall resilient flexible anti-crack mastic powder includes following raw material: modified heavy calcium carbonate, kaolin powder, silicate, calcium hydroxide, sierozem power, dry powder, modified talc powder, quartz, diatomite, rubber powder, bentonite in powder, elastic pure acrylic acid emulsion, polyvinyl alcohol, zinc white, sodium carboxymethylcellulose, ethylene glycol, redispersible latex powder, auxiliary agent, defoaming agent.The exterior wall resilient flexible anti-crack mastic powder be by mixing, stirring, grinding and etc. preparation.The exterior wall resilient flexible anti-crack mastic powder reasonable raw material proportioning, preparation method are simple, and production process safety and environmental protection can preferably protect wall, and wall is flawless, fall phenomenon, long service life without hollowing peeling, dust after dampness.
Description
Technical field
The present invention relates to building material technical fields, more particularly to a kind of exterior wall resilient flexible anti-crack mastic powder and its system
Standby technique.
Background technique
With the improvement of people's living standards, environmental protection consciousness also constantly enhances.The investigation of indoor environment expert
Show the modern time for there are 90 ﹪ for each person indoors, the time of 65 ﹪ stays at home.Expert thinks, after " coal smoke type ", " photochemical
After smoke-type " pollution, it is the third pollution time indicated that modern, which is just entering with " room air pollution ", according to statistics, the whole world
Nearly general people is in room air pollution, and room air pollution has caused the respiratory disease of 35.7 ﹪, and 25 ﹪'s is chronic
Tuberculosis and the tracheitis of 15 ﹪, bronchitis, lung cancer.The Chinese excess death toll as caused by room air pollution every year at present
11.1 ten thousand are had reached, excess emergency treatment number is up to 4,300,000 person-times, and directly or indirectly economic loss is up to 10,700,000,000 dollars.So existing
Requirement for people to ornament materials is not only both artistic and practical, also proposed new, higher want in terms of safety and environmental protection
It asks.Not only it is hoped that there will be a comfortable, warm living environment by people, on the basis of environmental protection and the ecological balance, pursue high-quality
Existence, the activity in living space, also require ornament materials safety and environmental protection, harmless to the health of human body, guarantee the life fitted up
Space is not contaminated, does not pollute in use to human body and the external world.So developing the cry day of green structural material
Benefit is surging, also proposed environmentally protective requirement to metope base alignment material-building putties.
In recent years, it being carried out in a deep going way with housing reform, people become the bright spot of investment to the decoration of original house or new house-purchase room,
Powder of lacquer putty for use on meets the needs of decoration as most common most popular materials for wall.The rapid development of decoration market is to people
Alternative various ornament materials are provided, imitative porcelain powder of lacquer putty for use on, anti-cracking elastic putty powder, water-proof putty powder etc. are deep to be chased after by people
Hold in both hands, these powder of lacquer putty for use on all it is each it is advantageous with it is insufficient.There are poor water resistances, low, not durable, the easy picking of intensity for common powder of lacquer putty for use at present
There is cracking phenomena using coating after powder of lacquer putty for use in equal shortcomings, wherein most wall, and especially in exterior wall, the phenomenon is brighter
It is aobvious.Exterior wall due to undergoing exposing to the weather for a long time, beat by rain, in addition the acid-alkali-resistant degree of common putty powder for exterior wall is low, weathering resistance coefficient is low,
Aging speed is fast, uvioresistant coefficient is low etc., so the generally existing cracking phenomena of outer wall coating.And traditional elastic putty for exterior walls
Powder is to form film by elastic resin, auxiliary agent drying, relies on the high resiliency and elongation percentage cracking resistance of elastic resin, but because gas permeability
Difference is easy to bubbling, peeling in building infiltration, leakage area.Such situation not only influences the beauty of building, also reduces room
The use function in room, therefore the cracking for preventing exterior walls of buildings is just particularly important.Ideal exposed wall elastic anti-crack is greasy
Sub- powder should be it is soft using back wall coating, refer to draw it is seamless, resistance to collide with, not dusting, do not crack, and production process is without dirt
Dye, no three wastes, processing storage and transportation, construction are all very convenient, can save a large amount of manpower and material resources；It is low in cost, nontoxic, batch scrape
Property is good, environmentally friendly, and properties technical indicator reaches the indoor putty standard of the Ministry of Construction (JC/T 3049-1998)
Technical requirements.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of exterior wall resilient flexible anti-crack mastic powders, to solve big portion at present
The cracking phenomena for dividing external wall coating generally existing, the exterior wall resilient flexible anti-crack mastic powder reasonable raw material proportioning, production
Simple process, production process safety and environmental protection can preferably protect wall, wall coating made not crack, and long service life.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of exterior wall resilient flexible anti-crack mastic powder, the raw material including following parts by weight: modified heavy calcium carbonate 100-120
Part, 60-80 parts of kaolin powder, 80-100 parts of silicate, 90-120 parts of calcium hydroxide, 60-70 parts of sierozem power, dry powder 80-100
Part, 85-100 parts of modified talc powder, 40-60 parts of quartz, 40-50 parts of diatomite, 10-20 parts of rubber powder, 10-15 parts of bentonite in powder,
15-25 parts of elastic pure acrylic acid emulsion, 8-10 parts of polyvinyl alcohol, 5-15 parts of zinc white, 3-5 parts of sodium carboxymethylcellulose, second two
3-5 parts of alcohol, 3-5 parts of redispersible latex powder, 2-5 parts of auxiliary agent, 2-3 parts of defoaming agent.
Modified heavy calcium carbonate, kaolin powder, silicate, calcium hydroxide, rubber powder are the base material of powder of lacquer putty for use on.
Sierozem power: there is hygroscopicity, adhesive, for increasing the hardness of powder of lacquer putty for use on.
Dry powder: also being named " calcium-magnesium powder ", and main component is the carbonate of calcium and magnesium, plays as filler and increases powder of lacquer putty for use on
Volume reduces production cost.
Modified talc powder: main component is calcium, silicon, the microelements such as aluminium oxide, magnesium, potassium, sodium.Water absorption is larger, smooth
Degree preferably, keeps surface of wall more smooth more solid.
Quartz: having fabulous resistance to corrosion, and gloss is beautiful, will not permeate for liquid substance, will not generate jaundice and change
The problems such as color, daily cleaning need to only be rinsed with clear water, simple and easy.Even across prolonged use, surface
The same beautiful, Maintenance free and maintenance with new clothes table top, high temperature resistant will not cause to burn because contacting high temperature.
Diatomite: absorption property is strong, wear-resisting, heat-resisting, there is excellent extensibility, have higher impact strength, tensile strength,
Tearing strength, light soft interior mill property is good, it is good to do Compressive Strength, and it is more appropriate to be used in exterior wall putty.
Elastic pure acrylic acid emulsion: it is nontoxic, non-stimulated, it is harmless, meet environmental requirement, the high photopolymer resin of non-film,
With excellent gloss and the transparency, resistance to blocking can be good.
Bentonite: containing various trace elements, stickiness is very strong, is mainly used for increasing stick, thickens, water conservation, antisolvent precipitation, anti-current
It hangs, improves pseudoplastic behavior；With strong hygroscopicity and dilatancy, the water of adsorbable 8-15 times of own vol, main function is
Thixotropic property and the water conservation for increasing powder of lacquer putty for use on are slow dry.
Zinc white: having higher whiteness, for promoting the color of powder of lacquer putty for use on.
Polyvinyl alcohol: stickiness is larger, is mainly used as adhesive.
Sodium carboxymethylcellulose: adhesive force is strong, good water-proof effect, increases the mobility of powder of lacquer putty for use on.
Ethylene glycol: it is used as surfactant, hygroscopic agent, plasticizer.
Redispersible latex powder: having waterproof performance extremely outstanding, and adhesion strength is good, increases elasticity and has longer open
It puts the time, excellent alkali resistance, improves powder of lacquer putty for use on adhesiveness/adhesiveness, flexural strength, plasticity, wear-resisting property and application property
Outside, stronger flexibility is had more in flexible break resistant powder of lacquer putty for use on.
The silicate includes one of sodium metasilicate, alumina silicate, magnesium silicate, calcium silicates or more than one combination
Object.
The sierozem power includes one of calcium hydroxide, calcium oxide, calcium carbonate or more than one composition.
The auxiliary agent includes one of castor oil, borax, alum or more than one composition.
The defoaming agent includes one of low-carbon alcohols, mineral oil, silicone resin or more than one composition.
A kind of exterior wall resilient flexible anti-crack mastic powder, preparation process the following steps are included:
S1: the preparation of modified heavy calcium carbonate；
S2: by modified heavy calcium carbonate 100-120 parts made from step S1,60-80 parts of kaolin powder, silicate 80-100
Part, 90-120 parts of calcium hydroxide, 60-70 parts of sierozem power, 80-100 parts of dry powder, 85-100 parts of modified talc powder, quartz 40-60
Part, 40-50 parts of diatomite, 10-20 parts of rubber powder, in 10-15 parts of addition transit mixers of bentonite in powder with revolving speed 65r/min stirring
1.5-2.5h obtains uniformly mixed powder a；
S3: by mixed-powder a made from step S2 and 15-25 parts of elastic pure acrylic acid emulsion, 8-10 parts of polyvinyl alcohol, zinc
5-15 parts of white powder, 3-5 parts of ethylene glycol, 3-5 parts of redispersible latex powder, 2-5 parts of auxiliary agent, disappears at 3-5 parts of sodium carboxymethylcellulose
2-3h is stirred with revolving speed 90r/min in 2-3 parts of addition transit mixers of infusion, obtains mixed-powder b；
S4: mixed-powder b made from step S3 is ground, and crosses 400-500 mesh sieve, and it is anti-to obtain the exterior wall resilient flexible
Crack putty powder.
The preparation of modified heavy calcium carbonate described in step S1 the following steps are included:
S11: marble, ore are sent into crusher and be crushed, grain diameter≤30mm powder is crushed to；
S12: it is broken made from step S11 in pulverized powder and the bubble slurry 30- at 25-45 DEG C of temperature is added after water, dispersing agent
40min adds advanced mixing stearic acid surface inorganic agent, impregnates 25-60min after mixing, obtain slurry A；
S13: slurry A made from step S12 being inputted in grinder and carries out wet grinding, and the flow velocity of slurry is 1.5-4t/
H, the temperature of the grinding are 40-60 DEG C, and milling time 1.5-3h obtains slurry B；
S14: slurry B cylindrical drier made from step S13 is dried into 2-3.5h at 100-130 DEG C of temperature, is obtained
To powdered whiting powder；
S15: being modified processing for modifying agent is added in powdered whiting powder made from step S14, modification
Time is 30-60min, obtains modified powdered whiting.
The beneficial effect of the present invention compared with the prior art includes:
1. exterior wall resilient flexible anti-crack mastic powder of the invention is released without pernicious gas in process of production, noiseless dust
Pollution, it is environment-protecting and non-poisonous harmless.
2. exterior wall resilient flexible anti-crack mastic powder smell of the invention is pure and fresh and absorbable formaldehyde, it is good for your health,
Without hollowing skin effect phenomenon after dampness, scrubbing resistance, safety and environmental protection can preferably protect wall, long service life, can with it is various
Coating organically combines, and has wide application value and market prospects.
3. exterior wall resilient flexible anti-crack mastic powder adhesion strength of the invention is high, and cement screed-coat, coating secure bond,
Not easily to fall off, permeability is good, and curing time is short.
4. exterior wall resilient flexible anti-crack mastic powder of the invention can effectively improve air quality, the present invention is used for a long time will not
Adverse effect is generated to human body, is suitable for each age groups, there is very extensive application prospect.
5. exterior wall resilient flexible anti-crack mastic powder of the invention have multiple functions, such as, anti-corrosion, radiation protection, antiultraviolet,
Sound isolating and flame-retardant, is that wall surface coating is not easy to crack and fall off after use, and soft has elasticity.
Specific embodiment
Invention is further described in detail With reference to embodiment.It is emphasized that following the description is only
It is merely exemplary, the range and its application being not intended to be limiting of the invention.
Embodiment 1
A kind of exterior wall resilient flexible anti-crack mastic powder, the raw material including following parts by weight: 100 parts of modified heavy calcium carbonate,
60 parts of kaolin powder, 80 parts of silicate, 90 parts of calcium hydroxide, 60 parts of sierozem power, 80 parts of dry powder, 85 parts of modified talc powder, stone
40 parts of English, 40 parts of diatomite, 10 parts of rubber powder, 10 parts of bentonite in powder, 15 parts of elastic pure acrylic acid emulsion, 8 parts of polyvinyl alcohol, zinc white
5 parts of powder, 3 parts of sodium carboxymethylcellulose, 3 parts of ethylene glycol, 3 parts of redispersible latex powder, 2 parts of auxiliary agent, 2 parts of defoaming agent.
The silicate is 20 parts of sodium metasilicate, 20 parts of alumina silicate, 20 parts of magnesium silicate, 20 parts of calcium silicates.
The sierozem power is 30 parts of calcium hydroxide, 30 parts of calcium oxide, 30 parts of calcium carbonate.
The auxiliary agent is 1 part of castor oil, 0.5 part of borax, 0.5 part of alum.
The defoaming agent is 1 part of low-carbon alcohols, 1 part of mineral oil.
A kind of exterior wall resilient flexible anti-crack mastic powder, preparation process the following steps are included:
S1: the preparation of modified heavy calcium carbonate；
S2: by 100 parts of modified heavy calcium carbonate made from step S1,60 parts of kaolin powder, 80 parts of silicate, calcium hydroxide
90 parts, 60 parts of sierozem power, 80 parts of dry powder, 85 parts of modified talc powder, quartzy 40 parts, 40- parts of diatomite, 10 parts of rubber powder, swelling
1.5h is stirred with revolving speed 65r/min in 10 parts of addition transit mixers of native powder, obtains uniformly mixed powder a；
S3: by mixed-powder a made from step S2 and 15 parts of elastic pure acrylic acid emulsion, 8 parts of polyvinyl alcohol, zinc white 5
Part, 3 parts of sodium carboxymethylcellulose, 3 parts of ethylene glycol, 3 parts of redispersible latex powder, 2- parts of auxiliary agent, 2 parts of defoaming agent additions are automatic
2h is stirred with revolving speed 90r/min in blender, obtains mixed-powder b；
S4: mixed-powder b made from step S3 is ground, and crosses 400-500 mesh sieve, and it is anti-to obtain the exterior wall resilient flexible
Crack putty powder.
The preparation of modified heavy calcium carbonate described in step S1 the following steps are included:
S11: marble, ore are sent into crusher and be crushed, grain diameter≤30mm powder is crushed to；
S12: breaking in pulverized powder made from step S11 and the bubble slurry 30min at 25 DEG C of temperature be added after water, dispersing agent,
Advanced mixing stearic acid surface inorganic agent is added, 25min is impregnated after mixing, obtains slurry A；
S13: slurry A made from step S12 being inputted in grinder and carries out wet grinding, and the flow velocity of slurry is 1.5t/h,
The temperature of the grinding is 40 DEG C, and milling time 1.5h obtains slurry B；
S14: slurry B cylindrical drier made from step S13 is dried into 2h at 100 DEG C of temperature, obtains heavy carbon
Sour calcium powder；
S15: being modified processing for modifying agent is added in powdered whiting powder made from step S14, modification
Time is 30min, obtains modified powdered whiting.
Embodiment 2
A kind of exterior wall resilient flexible anti-crack mastic powder, the raw material including following parts by weight: 110 parts of modified heavy calcium carbonate,
70 parts of kaolin powder, 90 parts of silicate, 115 parts of calcium hydroxide, 65 parts of sierozem power, 90 parts of dry powder, 95 parts of modified talc powder, stone
50 parts of English, 45 parts of diatomite, 15 parts of rubber powder, 12 parts of bentonite in powder, 20 parts of elastic pure acrylic acid emulsion, 9 parts of polyvinyl alcohol, zinc white
10 parts of powder, 4 parts of sodium carboxymethylcellulose, 4 parts of ethylene glycol, 4 parts of redispersible latex powder, 3 parts of auxiliary agent, 2.5 parts of defoaming agent.
The silicate is 45 parts of sodium metasilicate, 45 parts of alumina silicate.
The sierozem power is 65 parts of calcium carbonate.
The auxiliary agent is 1.5 parts of borax, 1.5 parts of alum.
The defoaming agent is 2.5 parts of mineral oil.
A kind of exterior wall resilient flexible anti-crack mastic powder, preparation process the following steps are included:
S1: the preparation of modified heavy calcium carbonate；
S2: by 110 parts of modified heavy calcium carbonate made from step S1,70 parts of kaolin powder, 90 parts of silicate, calcium hydroxide
115 parts, 65 parts of sierozem power, 90 parts of dry powder, 95 parts of modified talc powder, quartzy 50 parts, 45 parts of diatomite, 15 parts of rubber powder, swelling
2h is stirred with revolving speed 65r/min in 12 parts of addition transit mixers of native powder, obtains uniformly mixed powder a；
S3: by mixed-powder a made from step S2 and 20 parts of elastic pure acrylic acid emulsion, 9 parts of polyvinyl alcohol, zinc white 10
Part, 4 parts of sodium carboxymethylcellulose, 4 parts of ethylene glycol, 4 parts of redispersible latex powder, 3 parts of auxiliary agent, 2.5 parts of defoaming agent additions are certainly
2.5h is stirred with revolving speed 90r/min in dynamic blender, obtains mixed-powder b；
S4: mixed-powder b made from step S3 is ground, and crosses 400-500 mesh sieve, and it is anti-to obtain the exterior wall resilient flexible
Crack putty powder.
The preparation of modified heavy calcium carbonate described in step S1 the following steps are included:
S11: marble, ore are sent into crusher and be crushed, grain diameter≤30mm powder is crushed to；
S12: breaking in pulverized powder made from step S11 and the bubble slurry 38min at 35 DEG C of temperature be added after water, dispersing agent,
Advanced mixing stearic acid surface inorganic agent is added, 45min is impregnated after mixing, obtains slurry A；
S13: slurry A made from step S12 being inputted in grinder and carries out wet grinding, and the flow velocity of slurry is 3t/h, institute
The temperature for stating grinding is 55 DEG C, and milling time 2.5h obtains slurry B；
S14: slurry B cylindrical drier made from step S13 is dried into 3h at 125 DEG C of temperature, obtains heavy carbon
Sour calcium powder；
S15: being modified processing for modifying agent is added in powdered whiting powder made from step S14, modification
Time is 50min, obtains modified powdered whiting.
Embodiment 3
A kind of exterior wall resilient flexible anti-crack mastic powder and its preparation process, it is characterised in that: the powder of lacquer putty for use on includes following
The raw material of parts by weight: 120 parts of modified heavy calcium carbonate, 80 parts of kaolin powder, 100 parts of silicate, 120 parts of calcium hydroxide, grey calcium
70 parts of powder, 100 parts of dry powder, 100 parts of modified talc powder, quartz 60 parts, 50 parts of diatomite, 20 parts of rubber powder, 15 parts of bentonite in powder,
25 parts of elastic pure acrylic acid emulsion, 10 parts of polyvinyl alcohol, 15 parts of zinc white, 5 parts of sodium carboxymethylcellulose, 5 parts of ethylene glycol, can be again
5 parts of dispersed latex powder, 5 parts of auxiliary agent, 3 parts of defoaming agent.
The silicate is 100 parts of sodium metasilicate.
The sierozem power is 70 parts of calcium carbonate.
The auxiliary agent is 5 parts of borax.
The defoaming agent is 3 parts of mineral oil.
A kind of exterior wall resilient flexible anti-crack mastic powder, preparation process the following steps are included:
S1: the preparation of modified heavy calcium carbonate；
S2: by 120 parts of modified heavy calcium carbonate made from step S1,80 parts of kaolin powder, 100 parts of silicate, hydroxide
120 parts of calcium, 70 parts of sierozem power, 100 parts of dry powder, 100 parts of modified talc powder, quartz 60 parts, 50 parts of diatomite, 20 parts of rubber powder,
2.5h is stirred with revolving speed 65r/min in 15 parts of addition transit mixers of bentonite in powder, obtains uniformly mixed powder a；
S3: by mixed-powder a made from step S2 and 25 parts of elastic pure acrylic acid emulsion, 10 parts of polyvinyl alcohol, zinc white
15 parts, 5 parts of sodium carboxymethylcellulose, 5 parts of ethylene glycol, 5 parts of redispersible latex powder, 5 parts of auxiliary agent, 3 parts of defoaming agent be added from
3h is stirred with revolving speed 90r/min in dynamic blender, obtains mixed-powder b；
S4: mixed-powder b made from step S3 is ground, and crosses 400-500 mesh sieve, and it is anti-to obtain the exterior wall resilient flexible
Crack putty powder.
The preparation of modified heavy calcium carbonate described in step S1 the following steps are included:
S11: marble, ore are sent into crusher and be crushed, grain diameter≤30mm powder is crushed to；
S12: breaking in pulverized powder made from step S11 and the bubble slurry 40min under temperature 45 C be added after water, dispersing agent,
Advanced mixing stearic acid surface inorganic agent is added, 60min is impregnated after mixing, obtains slurry A；
S13: slurry A made from step S12 being inputted in grinder and carries out wet grinding, and the flow velocity of slurry is 4t/h, institute
The temperature for stating grinding is 60 DEG C, and milling time 3h obtains slurry B；
S14: slurry B cylindrical drier made from step S13 is dried into 3.5h at 130 DEG C of temperature, obtains heavy
Calcium carbonate powder；
S15: being modified processing for modifying agent is added in powdered whiting powder made from step S14, modification
Time is 60min, obtains modified powdered whiting.
The performance indicator of exterior wall resilient flexible anti-crack mastic powder made from embodiment 1-3 is detected, specific test result is as follows
Shown in table:
As seen from the above table: exterior wall resilient flexible anti-crack mastic powder curing time≤5h of the invention；Water resistance is without exception；Become
Color≤2 grades, loss of gloss≤2 grades, the abnormal phenomenon such as no dusting, hollowing, cracking, peeling；Adhesion strength is in standard state and leaching
It is complied with standard after water；Wearability >=0.2g；Production process air quality parameters are qualified；The equal < of toxic and harmful gas concentration
0.3mg/m3, equal 100 ﹪ of > of adhesive force, fineness and whiteness be above standard, and illustrates exterior wall resilient flexible anti-crack mastic of the present invention
Mealiness can be high.
Claims (6)
1. a kind of exterior wall resilient flexible anti-crack mastic powder, which is characterized in that the raw material including following parts by weight: modified heavy carbonic acid
100-120 parts of calcium, 60-80 parts of kaolin powder, 80-100 parts of silicate, 90-20 parts of calcium hydroxide, 60-0 parts of sierozem power, round trip flight
80-00 parts of powder, 85-100 parts of modified talc powder, 40-60 parts of quartz, 40-0 parts of diatomite, 10-20 parts of rubber powder, bentonite in powder 10-
15 parts, 15-25 parts of elastic pure acrylic acid emulsion, 8-10 parts of polyvinyl alcohol, 5-15 parts of zinc white, 3-5 parts of sodium carboxymethylcellulose,
3-5 parts of ethylene glycol, 3-5 parts of redispersible latex powder, 2-5 parts of auxiliary agent, 2-3 parts of defoaming agent.
2. exterior wall resilient flexible anti-crack mastic powder as described in claim 1, which is characterized in that the silicate includes silicic acid
One of sodium, alumina silicate, magnesium silicate, calcium silicates or more than one composition.
3. exterior wall resilient flexible anti-crack mastic powder as described in claim 1, which is characterized in that the sierozem power includes hydroxide
One of calcium, calcium oxide, calcium carbonate or more than one composition.
4. exterior wall resilient flexible anti-crack mastic powder as described in claim 1, which is characterized in that the auxiliary agent include castor oil,
One of borax, alum or more than one composition.
5. exterior wall resilient flexible anti-crack mastic powder as described in claim 1, which is characterized in that the defoaming agent includes low-carbon
One of alcohol, mineral oil, silicone resin or more than one composition.
6. a kind of preparation process of exterior wall resilient flexible anti-crack mastic powder as described in any one in claim 1-5, feature exist
In, comprising the following steps:
S1: the preparation of modified heavy calcium carbonate；
S2: by modified heavy calcium carbonate 100-120 parts made from step S1,60-80 parts of kaolin powder, 80-100 parts of silicate,
90-120 parts of calcium hydroxide, 60-70 parts of sierozem power, 80-100 parts of dry powder, 85-100 parts of modified talc powder, 40-60 parts of quartz,
40-50 parts of diatomite, 10-20 parts of rubber powder, in 10-15 parts of addition transit mixers of bentonite in powder with revolving speed 65r/min stirring
1.5-2.5h obtains uniformly mixed powder a；
S3: by mixed-powder a made from step S2 and 15-25 parts of elastic pure acrylic acid emulsion, 8-10 parts of polyvinyl alcohol, zinc white
5-15 parts, 3-5 parts of sodium carboxymethylcellulose, 3-5 parts of ethylene glycol, 3-5 parts of redispersible latex powder, 2-5 parts of auxiliary agent, defoaming agent
2-3h is stirred with revolving speed 90r/min in 2-3 parts of addition transit mixers, obtains mixed-powder b；
S4: mixed-powder b made from step S3 is ground, and crosses 400-500 mesh sieve, it is greasy to obtain the exterior wall resilient flexible cracking resistance
Sub- powder；
The preparation of modified heavy calcium carbonate described in step S1 the following steps are included:
S11: marble, ore are sent into crusher and be crushed, grain diameter≤30mm powder is crushed to；
S12: it is broken made from step S11 in pulverized powder and the bubble slurry 30- at 25-45 DEG C of temperature is added after water, dispersing agent
40min adds advanced mixing stearic acid surface inorganic agent, impregnates 25-60min after mixing, obtain slurry A；
S13: slurry A made from step S12 being inputted in grinder and carries out wet grinding, and the flow velocity of slurry is 1.5-4t/h, institute
The temperature for stating grinding is 40-60 DEG C, and milling time 1.5-3h obtains slurry B；
S14: slurry B cylindrical drier made from step S13 is dried into 2-3.5h at 100-130 DEG C of temperature, obtains weight
Matter calcium carbonate powder；
S15: processing, the time of modification are modified by modifying agent is added in powdered whiting powder made from step S14
For 30-60min, modified powdered whiting is obtained.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111218149A (en) * | 2020-03-25 | 2020-06-02 | 衢州顺天钙业有限公司 | Preparation method and application of ultraviolet radiation resistant calcium hydroxide composite particles |
| CN115785723A (en) * | 2022-11-30 | 2023-03-14 | 江苏集萃道路工程技术与装备研究所有限公司 | Environment-friendly inorganic waterproof anti-cracking fireproof putty and preparation method thereof |
| CN116855122A (en) * | 2023-06-27 | 2023-10-10 | 西安德润九州新材料有限公司 | Exterior wall putty powder with good water absorbability and impact resistance and preparation method thereof |
-
2017
- 2017-08-02 CN CN201710649736.5A patent/CN109385132A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218149A (en) * | 2020-03-25 | 2020-06-02 | 衢州顺天钙业有限公司 | Preparation method and application of ultraviolet radiation resistant calcium hydroxide composite particles |
| CN115785723A (en) * | 2022-11-30 | 2023-03-14 | 江苏集萃道路工程技术与装备研究所有限公司 | Environment-friendly inorganic waterproof anti-cracking fireproof putty and preparation method thereof |
| CN116855122A (en) * | 2023-06-27 | 2023-10-10 | 西安德润九州新材料有限公司 | Exterior wall putty powder with good water absorbability and impact resistance and preparation method thereof |
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