CN104230264B - A kind of cement group water-proofing material and preparation method thereof - Google Patents
A kind of cement group water-proofing material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 57
- 239000004568 cement Substances 0.000 title claims abstract description 29
- 238000004078 waterproofing Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000004576 sand Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000004816 latex Substances 0.000 claims description 18
- 229920000126 latex Polymers 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 16
- 239000011398 Portland cement Substances 0.000 claims description 15
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 14
- 239000011575 calcium Substances 0.000 claims description 14
- 229910052791 calcium Inorganic materials 0.000 claims description 14
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 239000010456 wollastonite Substances 0.000 claims description 9
- 229910052882 wollastonite Inorganic materials 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- 125000003368 amide group Chemical group 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 8
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 8
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 8
- 239000011118 polyvinyl acetate Substances 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- 229910000077 silane Inorganic materials 0.000 claims description 8
- -1 silane compound Chemical class 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 239000001913 cellulose Substances 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 5
- 229910000278 bentonite Inorganic materials 0.000 claims description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 claims description 3
- 229940044172 calcium formate Drugs 0.000 claims description 3
- 235000019255 calcium formate Nutrition 0.000 claims description 3
- 239000004281 calcium formate Substances 0.000 claims description 3
- 229920003086 cellulose ether Polymers 0.000 claims description 3
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 239000004567 concrete Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000011505 plaster Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010881 fly ash Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229960004106 citric acid Drugs 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229960004543 anhydrous citric acid Drugs 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000003080 antimitotic agent Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A kind of cement group water-proofing material, 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.This material and basal plane adhere well to power, and construction thickness is very thin, and material is economical and practical, material can be saved, even if the basic unit after this material processes is in for a long time in the environment that humidity is very big and flakes without 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 a kind of cement group water-proofing material 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 CN1483092A 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 CN10303250A 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 the painting of this plastering material is scraped thickness and remained a need for 5-8mm, operating expenses is still higher.In the environment that humidity is bigger, still can there is hollowing, ftracture, the phenomenon such as come off in product in the market, therefore market demand has a kind of cement group water-proofing material, replaces existing technique, to reduce cost, improves work efficiency.
Summary of the invention
It is an object of the invention to provide a kind of cement group water-proofing material.This material is a kind of cement group water-proofing material after 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 a kind of cement group water-proofing material, 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 30 order-80 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；The present invention adds a small amount of wollastonite powder simultaneously in order to increase the intensity of product after solidification.
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
Citric acid can postpone hydrated reaction of cement as cement retarder, 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.
Eight, Li-montmorillonite
Li-montmorillonite is between montmorillonite layer or lattice exists lithium (ion), and Li-montmorillonite can make mortar criticize and scrape smooth and non-stick knife, improves construction comfort level；Meanwhile, Li-montmorillonite and organosilicon powder react in polar solvent and form the organosilicon colloid that intensity is significantly high in the present invention, it is possible to be greatly improved the water resistance of material.
Nine, modifying agent
Calcium formate is as modifying agent, it is possible to improve the setting rate of cement, shortens setting time, improves strength of cement, has good anti-freeze thawing simultaneously.
The preparation method that the invention provides a kind of cement group water-proofing material, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-wollastonite powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order.
A kind of cement group water-proofing material provided by the invention, should be noted that during its construction:
One, base treatment
Need to the substrate surface at the place of plastering should dry, without greasy dirt, floating ash or other foreign material.
Two, construction method
1, waterproof material is added water stir into pasty state (ratio of mud is about 1:3.5) with motor stirrer, be directly put on substrate surface with mud plate；
2, construction thickness is about 2-3mm, 2～3 times are smeared at required waterproof position of doing with mud plate, and ensure, can need to carry out when one after smearing constructing after front one surface drying (different depending on temperature, about 4～6 hours, interval), gross thickness is not preferably greater than 5mm or less than 2mm, every square metre of consumption about 3 kilograms；
3, mixed waterproof material needs to be finished at 3-4 hour；
4, construction environment temperature should not be constructed lower than 5 DEG C or higher than 35 DEG C.
If 5 metopes are relatively dry, should first sprinkle water before construction moistening.
The useful of the present invention is effectively in that: adhere well to power with basal plane, construction thickness is very thin, material is economical and practical, material can be saved, even if the basic unit after this material processes is in for a long time in the environment that humidity is very big and flakes without hollowing simultaneously, can ensure that job site is cleaned, more meet environmental requirement.
Detailed description of the invention
Embodiment 1
A kind of cement group water-proofing material, is made up of the component of following percentage by weight:
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.
The preparation method of a kind of cement group water-proofing material, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-wollastonite powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order.
Embodiment 2
A kind of cement group water-proofing material, is made up of the component of following percentage by weight:
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.
The preparation method of a kind of cement group water-proofing material, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-wollastonite powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order.
Embodiment 3
A kind of cement group water-proofing material, is made up of the component of following percentage by weight:
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.
The preparation method of a kind of cement group water-proofing material, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order.
Embodiment 4
A kind of cement group water-proofing material, is made up of the component of following percentage by weight:
Described quartz sand is 30 order sand and 50 order sand, and both percentage by weights are 1:3；
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.
The preparation method of a kind of cement group water-proofing material, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-wollastonite powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order.
Embodiment 5
A kind of cement group water-proofing material, is made up of the component of following percentage by weight:
Described quartz sand is 30 order sand and 60 order sand, and both percentage by weights are 1:1；
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.
The preparation method of a kind of cement group water-proofing material, comprises the following steps:
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-wollastonite powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order.
Embodiment 1-5 is detected:
Embodiment sample detects according to industry standard JC890-3001 " 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 a cement group water-proofing material, it is characterised in that comprise the steps of
Step one: after being opened by blender, adds in blender by the order of ground calcium carbonate-bentonite-calcium formate-redispersable latex powder-wollastonite powder-cellulose ether-citric acid-organosilicon powder-Li-montmorillonite and stirs, make additive package；
Step 2: after being opened by blender, first adds the 50% of portland cement weight, then adds the 50% of quartz sand weight, then adds the 50% of additive package weight, adds residue 50% material after slightly mixing again in this order；
Described cement group water-proofing material, 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%
Calcium formate 0.5-1.0%
Wollastonite powder 0-5%
Organosilicon powder 0.1%-0.5%
The 10-15% of Li-montmorillonite organosilicon powder weight；
Described portland cement is 32.5R or 42.5R cement；
Described quartz sand is 30 order-80 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 cement group water-proofing material 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 42%
Ground calcium carbonate 10%
Organobentonite 4%
Redispersable latex powder 0.2%
Methyl hydroxyethylcellulose ether 0.4%
Citric acid 0.1%
Calcium formate 1.0%
Wollastonite powder 2%
Organosilicon powder 0.27%
Li-montmorillonite 0.03%；
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.
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| CN107188474A (en) * | 2017-07-18 | 2017-09-22 | 合肥万之景门窗有限公司 | A kind of cracking resistance cement-base waterproof coating and preparation method thereof |
| CN107628788B (en) * | 2017-09-22 | 2021-06-01 | 北京东方雨虹防水技术股份有限公司 | Cement-based waterproof material for repairing concrete cracks and preparation method thereof |
| CN107902990B (en) * | 2017-11-15 | 2020-07-28 | 新沂市晶润石英材料有限公司 | Method for preparing polymer cement waterproof mortar by using quartz sand dust |
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| EP1741683A3 (en) * | 2005-07-08 | 2010-09-01 | Alexander Kehrmann | Mixture of raw materials for making a cement clinker, cement klinker and a cement |
| WO2012073258A2 (en) * | 2010-11-30 | 2012-06-07 | Pradeep Vasant Joshi | A composition suitable for use in building construction |
| CN102249595A (en) * | 2011-04-29 | 2011-11-23 | 山东秦恒科技有限公司 | Special flexible texture coating for external heat insulating wall, and preparation method thereof |
| CN102850026A (en) * | 2012-09-24 | 2013-01-02 | 上海宝冶工程技术有限公司 | Heat-resistant high-strength shrinkage-free grouting material |
| CN103553495B (en) * | 2013-10-21 | 2016-08-17 | 苏州市姑苏新型建材有限公司 | A kind of rapid-hardening ornamental stone early strong rubber stick |
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Denomination of invention: A cement-based waterproof material and its preparation method Granted publication date: 20160629 Pledgee: Qianyuan sub branch of Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Pledgor: DEQING YANGTAI BUILDING MATERIAL Co.,Ltd. Registration number: Y2024980017709 |