CN104230265B - A kind of plastering material of thin layer and preparation method thereof - Google Patents
A kind of plastering material of thin layer and preparation method thereof Download PDFInfo
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- CN104230265B CN104230265B CN201410442937.4A CN201410442937A CN104230265B CN 104230265 B CN104230265 B CN 104230265B CN 201410442937 A CN201410442937 A CN 201410442937A CN 104230265 B CN104230265 B CN 104230265B
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Abstract
The plastering material of a kind of thin layer, is mainly used in lightweight sand and adds building block, it is also possible to plaster use in basal planes such as concrete hollow block, fly ash building block, plasterboard and cast-in-place concretes. Owing to this material and basal plane adhere well to power, construction thickness is very thin, and material is economical and practical, can save material, and the basic unit after this material processes will not flake by hollowing simultaneously, it is ensured that job site is cleaned, and more meets environmental requirement.
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 building industry, plastering engineering, as a part important in construction, is increasingly paid attention to by this industry. plaster and can protect body of wall and improve indoor sanitation condition, strengthen light line reflection, beautify the environment, also can protect the erosion of the position not wind-engagings such as wall body, ceiling, roofing, rain, snow, improve metope protection against the tide, efflorescence prevention, heat insulation ability, strengthen the durability of wall body. but the plastering material of traditional handicraft such as cement mortar, mixed mortar etc., it is impossible to the surface adapting to the novel wall material such as building block, sheet material is whitewashed, it may appear that hollowing, ftracture, the phenomenon such as come off, and affects construction quality. domestic this type of plastering material is done big quantity research, as Chinese invention patent CN1482092A discloses a kind of gypsum substrate render material, this plastering material is with Gypsum Fibrosum for primary raw material, add the additives such as anhydrous citric acid adjustable solidification agent, solve cement mortar preferably, the hollowing that mixed mortar is plastered, cracking, the common fault such as come off, Chinese invention patent CN103032.50A discloses a kind of aerated blocks wall plastering agent, this plastering material is with portland cement for primary raw material, add modifying agent, antimitotic agent, the additives such as water-retaining agent also can effectively solve cement mortar, 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, operating expenses is still higher, therefore market demand has the plastering material of a kind of thin layer, replaces existing technique, to reduce cost, improves work efficiency.
Summary of the invention
It is an object of the invention to provide the plastering material of a kind of thin layer. This material is the cement-based powder material that a kind of aggregated thing is modified, is mainly used in lightweight sand and adds building block, it is also possible to plaster use in basal planes such as concrete hollow block, fly ash building block, plasterboard and cast-in-place concretes.
The invention provides the plastering material of a kind of thin layer, be made up of the component of following percentage by weight:
Preferably, described portland cement is 32.5R or 42.5R cement;
Preferably, described quartz sand is 20 order-70 order sand;
Preferably, described bentonite is organobentonite;
Preferably, described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Preferably, described cellulose ether is methyl hydroxyethylcellulose ether or methylhydroxypropylcellulose ether.
Preferably, described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
One, Binder Materials:
In raw material of the present invention, portland cement plays cementation, it is preferred that for 32.5R or 42.5R portland cement;
Two, aggregate
Quartz sand is that quartz is through the broken quartz particles processed, quartz is a kind of nonmetallic mineral, it it is the silicate mineral of a kind 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, anti-wear performance is good;
Three, filler
The crystalline solid of calcium carbonate mainly has the calcite of inclined three crystal class of multiple tripartite and the aragonite of iris class, and ground calcium carbonate is exactly calcite in powder. The present invention adds ground calcium carbonate and can be effectively increased toughness and the intensity of product;
Four, water-retaining agent
Cellulose ether is a kind of conventional water-retaining 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-retaining property of mortar and workability,
Bentonite is the moisture argillic horizon based on montmorillonite, and it has excellent ion exchangeable, dilatancy, adhesiveness, plasticity, fire resistance, and bentonite has stronger water absorption, it is possible to improve the intensity of material; It also has unique selective absorption, it is possible to the permanent absorption solidification of the radioactive substance in block material, have the function purified with repairing environment.
Five, thickening agent
Often being expanded with heat and contract with cold after powder body building materials molding and weather, temperature, humidity etc. affect, dry, ftracture, the phenomenon such as come off happens occasionally, especially after material chance water and stress, this phenomenon is more serious. The method of appropriate thickening agent is added to reach product anticracking and to increase elastic effect for this present invention. Redispersable latex powder has prominent adhesion strength, can improve the elasticity of binding agent, and give the alkali resistance that binding agent is excellent;
Six, retarder
Cement retarder can postpone hydrated reaction of cement, thus extending the setting time of plastering material so that it is the long period can keep plasticity, conveniently build, improve efficiency of construction. Citric acid can also effectively suppress the phenomenons such as the material accumulation of salt in the surface soil to produce simultaneously;
Seven, specially good effect binding agent
Organosilicon powder with a large amount of organic groups all can well link with portland cement, quartz sand, block surfaces, owing to organic group has certain length, the plastering material made possesses good pliability, thus having good impact strength, not easily hollowing, ftracture, come off, also have good water resistance simultaneously.
The preparation method that the invention provides the plastering material of a kind of thin layer, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: after being opened by blender, by weight percentage, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order.
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 to plastering should dry, without greasy dirt, floating ash or other foreign material.
Two, construction method
1, plaster is added water stir into pasty state (ratio of mud is about 1:4) with motor stirrer, be directly put on substrate surface with mud plate;
2, the construction about 3mm of thickness, it is necessary to perform twice at and whitewash, can need to construct when one after smearing after first surface drying, and gross thickness is not preferably greater than 5mm;
3, mixed plaster needs to be finished at 3-4 hour;
4, construction environment temperature should not be constructed lower than 5 degree or higher than 35 degree.
The useful of the present invention is effectively in that: adhering well to power with basal plane, construction thickness is very thin, and material is economical and practical, can save material, and the basic unit after this material processes will not flake by hollowing simultaneously, it is ensured that job site is cleaned, and more meets environmental requirement.
Detailed description of the invention
Embodiment 1
The plastering material of a kind of thin layer, is made up of the component of following percentage by weight:
Described portland cement is 42.5R cement;
Described quartz sand is 60 order sand;
Described bentonite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Described cellulose ether is methyl hydroxyethylcellulose ether.
Described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
The preparation method of the plastering material of a kind of thin layer, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: after being opened by blender, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order.
Embodiment 2
The plastering material of a kind of thin layer, is made up of the component of following percentage by weight:
Described portland cement is 32.5R cement;
Described quartz sand is 70 order sand;
Described bentonite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Described cellulose ether is methylhydroxypropylcellulose ether;
Described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
The preparation method of the plastering material of a kind of thin layer, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: after being opened by blender, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order.
Embodiment 3
The plastering material of a kind of thin layer, is made up of the component of following percentage by weight:
Described portland cement is 32.5R cement;
Described quartz sand is 50 order sand;
Described bentonite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Described cellulose ether is methylhydroxypropylcellulose ether.
Described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
The preparation method of the plastering material of a kind of thin layer, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: after being opened by blender, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order.
Embodiment 4
The plastering material of a kind of thin layer, is made up of the component of following percentage by weight:
Described portland cement is 42.5R cement;
Described quartz sand is 20 order sand and 50 order sand, and both percentage by weights are 1:3;
Described bentonite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Described cellulose ether is methyl hydroxyethylcellulose ether.
Described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
The preparation method of the plastering material of a kind of thin layer, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: after being opened by blender, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order.
Embodiment 5
The plastering material of a kind of thin layer, is made up of the component of following percentage by weight:
Described portland cement is 42.5R cement;
Described quartz sand is 20 order sand and 70 order sand, and both percentage by weights are 1:1;
Described bentonite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Described cellulose ether is methyl hydroxyethylcellulose ether.
Described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
The preparation method of the plastering material of a kind of thin layer, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: after being opened by blender, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order.
Embodiment 1-5 is detected:
By upper table data it can be seen that the resistance to compression of product of the present invention, rupture strength and adhesion strength are had very important impact by the addition of organosilicon powder.
Embodiment sample detects according to industry standard JC890-2001 " steam aerated coagulation masonry mortar and decorative mortar ".
These detection data are just for above-mentioned detection sample.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (2)
1. the preparation method of the plastering material of a thin layer, it is characterised in that comprise the steps of
Step one: opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-redispersable latex powder-cellulose ether-citric acid-organosilicon powder and stirs, make additive package;
Step 2: opened by blender, by weight percentage, first adds portland cement 50%, then adds quartz sand 50%, then add additive package 50%, adds residue 50% material after slightly mixing again in this order;
The plastering material of described thin layer, is made up of the component of following percentage by weight:
Portland cement 30%-50%
Quartz sand 35%-50%
Ground calcium carbonate 5%-15%
Bentonite 3%-5%
Redispersable latex powder 0.1%-0.3%
Cellulose ether 0.3%-0.5%
Citric acid 0%-0.2%
Organosilicon powder 0.1%-0.5%;
Described portland cement is 32.5R or 42.5R cement;
Described quartz sand is 20 order-70 order sand;
Described bentonite is organobentonite;
Described redispersable latex powder is the rubber powder that polyvinyl acetate generates through copolyreaction with polyvinyl alcohol;
Described organosilicon powder be mainly composed of organic silane compound, chemical formula is (ORa)3Si(CH2)m-X-Y-(CH2)nSi(ORb)3, in formula: Ra、RbFor C1-C4Alkyl, m, n=1-4, in formula, X, Y are the group generated after amido reacts with isocyanate group.
2. the preparation method of the plastering material of thin layer as claimed in claim 1, it is characterised in that be made up of the component of following percentage by weight:
42.5R portland cement 40%
Quartz sand 60 order 45%
Ground calcium carbonate 10%
Organobentonite 4%
Redispersable latex powder 0.2%
Methyl hydroxyethylcellulose ether 0.4%
Citric acid 0.1%
Organosilicon powder 0.3%.
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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 |
| 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 |
| 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 |
| CN102936119A (en) * | 2012-11-07 | 2013-02-20 | 浙江大学 | Interior wall decoration material composed of ecological inorganic minerals |
| CN103274654A (en) * | 2013-06-09 | 2013-09-04 | 吉孟银 | Repairing mortar for concrete floor |
| CN103553495A (en) * | 2013-10-21 | 2014-02-05 | 苏州市姑苏新型建材有限公司 | Rapid-hardened type veneer stone early-strength adhesive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120048466A1 (en) * | 2010-08-31 | 2012-03-01 | H.B.Fuller Specialty Construction Products Inc. | Easy mix mortar/grout composition, method of making and using thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102936119A (en) * | 2012-11-07 | 2013-02-20 | 浙江大学 | Interior wall decoration material composed of ecological inorganic minerals |
| CN103274654A (en) * | 2013-06-09 | 2013-09-04 | 吉孟银 | Repairing mortar for concrete floor |
| CN103553495A (en) * | 2013-10-21 | 2014-02-05 | 苏州市姑苏新型建材有限公司 | Rapid-hardened type veneer stone early-strength adhesive |
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