CN104230265A - Thin-layer plastering material and preparation method thereof - Google Patents
Thin-layer plastering material and preparation method thereof Download PDFInfo
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- CN104230265A CN104230265A CN201410442937.4A CN201410442937A CN104230265A CN 104230265 A CN104230265 A CN 104230265A CN 201410442937 A CN201410442937 A CN 201410442937A CN 104230265 A CN104230265 A CN 104230265A
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Abstract
The invention relates to a thin-layer plastering material which is mainly used for plastering light-weight sand aerated building blocks, as well as concrete hollow building blocks, fly ash building blocks, plaster boards, cast-in-situ concrete and the like. As the material has good adhesion with a base surface, the construction thickness is very thin, the material is economic and practical, and the material can be saved; simultaneously, a base layer treated by the material can not have the phenomena of hollowing and peeling, the cleanness of a construction site can be ensured, and the material is relatively in line with environmental requirements.
Description
Technical field
The invention belongs to building material field, be specifically related to plastering material of a kind of thin layer and preparation method thereof.
Background technology
Along with the fast development of construction industry, plastering engineering as an important part in construction, more and more pay attention to by this industry.Plaster and can protect body of wall and improve indoor sanitation condition, strengthen light reflection, beautify the environment, also can protect the erosion of the positions such as wall body, ceiling, roofing not wind-engaging, rain, snow, improve metope protection against the tide, efflorescence prevention, heat insulation ability, the weather resistance of enhancing wall body.But the plastering material of traditional technology is as sand-cement slurry, mixed mortar etc., the surface that can not adapt to the novel wall material such as building block, sheet material is whitewashed, and phenomenons such as there will be hollowing, ftracture, come off, affects construction quality.Domestic large quantity research is done to this type of plastering material, as Chinese invention patent CN 1482092 A discloses a kind of gypsum substrate render material, this plastering material take gypsum as main raw material, add the additives such as Citric Acid, usp, Anhydrous Powder adjustable solidification agent, solve sand-cement slurry preferably, the hollowing that mixed mortar is plastered, cracking, the common fault such as come off, Chinese invention patent CN 103032.50 A discloses the agent of a kind of aerated blocks wall plastering, this plastering material take silicate cement as main raw material, add properties-correcting agent, anti-fissuring agent, the additives such as water-holding agent also can effectively solve sand-cement slurry, the hollowing that mixed mortar is plastered, cracking, the common fault such as come off.But thickness is scraped in the painting of this plastering material needs 5-8mm, executive cost is still higher, therefore market demand has a kind of plastering material of thin layer, replaces existing technique, to reduce costs, improves work efficiency.
Summary of the invention
The object of the present invention is to provide a kind of plastering material of thin layer.This material is a kind of cement-based powder material after polymer modification, is mainly used in lightweight sand and adds building block, also can be used for the basal planes such as concrete hollow block, fly ash building block, plasterboard and onsite concrete and to plaster use.
The invention provides a kind of plastering material of thin layer, be made up of the component of following weight percent:
Preferably, described silicate cement is 32.5R or 42.5R cement;
Preferably, described quartz sand is 20 order-70 order sand;
Preferably, described wilkinite is organobentonite;
Preferably, described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
Preferably, described ether of cellulose is methyl hydroxyethylcellulose ether or methylhydroxypropylcellulose ether.
Preferably, the main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
One, gelling material:
In starting material of the present invention, silicate cement plays cohesive action, preferably 32.5R or 42.5R silicate cement;
Two, aggregate
Quartz sand is the quartz particles that quartzite processes through fragmentation, quartzite is a kind of nonmetallic mineral, it is a kind of silicate minerals of hard, wear-resisting, stable chemical performance, its main mineral constituent is silicon-dioxide, in quartz sand selected by the present invention, dioxide-containing silica is not less than 98%, and intensity is high, wear resisting property good;
Three, filler
The xln of calcium carbonate mainly contains the calcite of inclined three crystal class of multiple tripartite and the aragonite of iris class, and water-ground limestone is exactly calcite in powder.Toughness and intensity that water-ground limestone effectively can increase product is added in the present invention;
Four, water-holding agent
Ether of cellulose is a kind of conventional water-holding agent in paint coating field, and it can make the moisture in mortar not easily lose, and progressively discharges within long period of time, gives the good water-retentivity of mortar and workability,
Wilkinite is the moisture clay seam based on montmorillonite, and it has excellent ion exchangeable, swelling property, adhesivity, plasticity-, resistivity against fire, and wilkinite has stronger water-absorbent, can improve the intensity of material; It also has unique selective adsorption, can to the radioactive substance in block material permanent absorption solidification, there is the function of purification and repairing environment.
Five, thickening material
Powder building materials are shaping often to be expanded with heat and contract with cold and weather, temperature, humidity etc. affect afterwards, dry, ftracture, the phenomenon such as to come off happens occasionally, especially material meet water and stressed after, this phenomenon is more serious.The present invention adds the method for appropriate thickening material to reach product anticracking and to increase elastic effect for this reason.Redispersable latex powder has outstanding cohesive strength, can improve the elasticity of tackiness agent, and gives tackiness agent excellent alkali resistance;
Six, retardant
Cement setting retarder deferrable hydrated reaction of cement, thus the time of coagulation extending plastering material, the long period can keep plasticity-, conveniently build, and improves operating efficiency.Citric acid can also effectively suppress the phenomenons such as the material accumulation of salt in the surface soil to produce simultaneously;
Seven, special efficacy binding agent
Organosilicon powder with a large amount of organic group all can well link with silicate cement, quartz sand, block surfaces, because organic group has certain length, the plastering material made possesses good snappiness, thus there is good impact strength, not easily hollowing, ftracture, come off, also have good water resistance simultaneously.
The invention provides a kind of preparation method of plastering material of thin layer, comprise the following steps:
Step one: after being opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: after being opened by stirrer, by weight percentage, first adds silicate cement 50%, then adds quartz sand 50%, then adds mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
The plastering material of a kind of thin layer provided by the invention, should be noted that during its construction:
One, base treatment
The substrate surface at mud place of need plastering should be dry, without greasy dirt, floating grey or other foreign material.
Two, constructional method
1, plaster is added water stir into pasty state (water cement ratio is about 1:4) with electric mixer, be directly put on substrate surface with mud plate;
2, construct the about 3mm of thickness, and need to carry out whitewashing for twice, can need construct after first surface drying when one after smearing, total thickness should not be greater than 5mm;
3, mixed plaster needs to be finished at 3-4 hour;
4, construction environment temperature is lower than 5 degree or should not construct higher than 35 degree.
Of the present inventionly usefully effectively to be: have good adhesive power with basal plane, construction thickness is very thin, and material is economical and practical, can save material, and the basic unit simultaneously after this material processing can not flake by hollowing, can ensure that working-yard is cleaned, more meet environmental requirement.
Embodiment
Embodiment 1
A plastering material for thin layer, is made up of the component of following weight percent:
Described silicate cement is 42.5R cement;
Described quartz sand is 60 order sand;
Described wilkinite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
Described ether of cellulose is methyl hydroxyethylcellulose ether.
The main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
A preparation method for the plastering material of thin layer, comprises the following steps:
Step one: after being opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: after being opened by stirrer, first adds silicate cement 50%, then adds quartz sand 50%, then adds mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
Embodiment 2
A plastering material for thin layer, is made up of the component of following weight percent:
Described silicate cement is 32.5R cement;
Described quartz sand is 70 order sand;
Described wilkinite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
Described ether of cellulose is methylhydroxypropylcellulose ether;
The main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
A preparation method for the plastering material of thin layer, comprises the following steps:
Step one: after being opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: after being opened by stirrer, first adds silicate cement 50%, then adds quartz sand 50%, then adds mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
Embodiment 3
A plastering material for thin layer, is made up of the component of following weight percent:
Described silicate cement is 32.5R cement;
Described quartz sand is 50 order sand;
Described wilkinite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
Described ether of cellulose is methylhydroxypropylcellulose ether.
The main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
A preparation method for the plastering material of thin layer, comprises the following steps:
Step one: after being opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: after being opened by stirrer, first adds silicate cement 50%, then adds quartz sand 50%, then adds mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
Embodiment 4
A plastering material for thin layer, is made up of the component of following weight percent:
Described silicate cement is 42.5R cement;
Described quartz sand is 20 order sand and 50 order sand, and both weight percents are 1:3;
Described wilkinite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
Described ether of cellulose is methyl hydroxyethylcellulose ether.
The main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
A preparation method for the plastering material of thin layer, comprises the following steps:
Step one: after being opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: after being opened by stirrer, first adds silicate cement 50%, then adds quartz sand 50%, then adds mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
Embodiment 5
A plastering material for thin layer, is made up of the component of following weight percent:
Described silicate cement is 42.5R cement;
Described quartz sand is 20 order sand and 70 order sand, and both weight percents are 1:1;
Described wilkinite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
Described ether of cellulose is methyl hydroxyethylcellulose ether.
The main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
A preparation method for the plastering material of thin layer, comprises the following steps:
Step one: after being opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: after being opened by stirrer, first adds silicate cement 50%, then adds quartz sand 50%, then adds mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
Embodiment 1-5 is detected:
From upper table data, the add-on of organosilicon powder has very important impact to the resistance to compression of product of the present invention, folding strength and cohesive strength.
Embodiment sample detects according to industry standard JC890-2001 " steam aerated coagulation masonry mortar and plastering mortar ".
This detects data only for above-mentioned detection sample.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a plastering material for thin layer, is characterized in that, is made up of the component of following weight percent:
Silicate cement 30%-50%
Quartz sand 35%-50%
Water-ground limestone 5%-15%
Wilkinite 3%-5%
Redispersable latex powder 0.1%-0.3%
Ether of cellulose 0.3%-0.5%
Citric acid 0%-0.2%
Organosilicon powder 0.1%-0.5%.
2. the plastering material of thin layer as claimed in claim 1, it is characterized in that, described silicate cement is 32.5R or 42.5R cement.
3. the plastering material of thin layer as claimed in claim 1, it is characterized in that, described quartz sand is 20 order-70 order sand.
4. the plastering material of thin layer as claimed in claim 1, it is characterized in that, described wilkinite is organobentonite.
5. the plastering material of thin layer as claimed in claim 1, it is characterized in that, described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction.
6. the plastering material of thin layer as claimed in claim 1, it is characterized in that, described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction.
7. the plastering material of thin layer as claimed in claim 1, it is characterized in that, the main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
8. the plastering material of the thin layer as described in right 1, is characterized in that, is made up of the component of following weight percent:
42.5R silicate cement 40%
Quartz sand 60 order 45%
Water-ground limestone 10%
Organobentonite 4%
Redispersable latex powder 0.2%
Methyl hydroxyethylcellulose ether 0.4%
Citric acid 0.1%
Organosilicon powder 0.3%;
Described redispersable latex powder is the rubber powder that polyvinyl acetate (PVA) and polyvinyl alcohol generate through copolyreaction;
The main component of described organosilicon powder is organic silane compound, and chemical formula is (OR
a)
3si (CH
2)
m-X-Y-(CH
2)
nsi (OR
b)
3, in formula: R
a, R
bfor C
1-C
4alkyl, m, n=1-4, in formula, X, Y are the group generated after amido and isocyanato react.
9. a preparation method for the plastering material of thin layer, is characterized in that, comprises following steps:
Step one: opened by stirrer, adds in stirrer by water-ground limestone-wilkinite-redispersable latex powder-ether of cellulose-order of citric acid-organosilicon powder and stirs, make mixed additive;
Step 2: opened by stirrer, by weight percentage, first adds silicate cement 50%, then adds quartz sand 50%, then add mixed additive 50%, adds residue 50% material more in this order after slightly mixing.
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|---|---|---|---|
| CN201410442937.4A CN104230265B (en) | 2014-09-02 | 2014-09-02 | A kind of plastering material of thin layer and preparation method thereof |
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| CN104230265B CN104230265B (en) | 2016-06-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106145819A (en) * | 2016-07-01 | 2016-11-23 | 德清扬泰建筑材料有限公司 | A kind of kitchen special-purpose anti-flaming sound-proof interior wall dry powder and mortar |
| CN106187058A (en) * | 2016-07-04 | 2016-12-07 | 德清扬泰建筑材料有限公司 | A kind of environment-friendly type waterproof dry powder mortar and preparation method thereof |
| CN106186923A (en) * | 2016-07-01 | 2016-12-07 | 德清扬泰建筑材料有限公司 | A kind of environment-friendly type thin layer dry powder for inner wall mortar and preparation method thereof |
| CN107746226A (en) * | 2017-11-02 | 2018-03-02 | 洪飞飞 | A kind of environment-friendly type thin layer paint coating for being suitable for classroom |
| CN107805020A (en) * | 2017-11-02 | 2018-03-16 | 洪飞飞 | A kind of environment-friendly painting coating for being suitable for classroom |
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| CN101891424A (en) * | 2010-07-20 | 2010-11-24 | 武汉奥捷高新技术有限公司 | Inorganic thermal insulation and decoration mortar and preparation method thereof |
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| CN106145819A (en) * | 2016-07-01 | 2016-11-23 | 德清扬泰建筑材料有限公司 | A kind of kitchen special-purpose anti-flaming sound-proof interior wall dry powder and mortar |
| CN106186923A (en) * | 2016-07-01 | 2016-12-07 | 德清扬泰建筑材料有限公司 | A kind of environment-friendly type thin layer dry powder for inner wall mortar and preparation method thereof |
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| CN107805020A (en) * | 2017-11-02 | 2018-03-16 | 洪飞飞 | A kind of environment-friendly painting coating for being suitable for classroom |
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|---|---|
| CN104230265B (en) | 2016-06-15 |
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