CN106082770A - A kind of water-proof cement additive - Google Patents
A kind of water-proof cement additive Download PDFInfo
- Publication number
- CN106082770A CN106082770A CN201610440192.7A CN201610440192A CN106082770A CN 106082770 A CN106082770 A CN 106082770A CN 201610440192 A CN201610440192 A CN 201610440192A CN 106082770 A CN106082770 A CN 106082770A
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- China
- Prior art keywords
- parts
- water
- cement additive
- proof cement
- cement
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to cement additire field, especially a kind of water-proof cement additive；Its mass parts composition is as follows: polyvinyl alcohol 10 20 parts, 26 parts of calcium chloride, hydroxymethyl cellulose 68 parts, Potassium aluminum sulfate dodecahydrate 2.5 6.4 parts, defoamer 1.2 2.4 parts, water reducer 0.2 0.6 parts, initiator 0.6 1.2 parts, phosphatase 11 2.1 parts, 3.6 6.4 parts of flyash；After emulsion blending after the waterproof additive of the present invention and cement dissolving, cement has excellent continuous film forming performance, make the active group in some polymer molecules may produce cross-linking reaction with Ca, the Al in hydrolysis product of cement, form special bridged bond effect, improve physical organization's structure of cement mortar hardenite, alleviate internal stress, decrease the generation of micro-crack, enhancing the compactness of polymer waterproof coating material, compactness is stronger；Composition is the most nontoxic, pollution-free, belongs to ep-type material.
Description
Technical field
The present invention relates to cement additire field, especially a kind of water-proof cement additive.
Background technology
In recent years, lavatory Bothroom & kitchen seepage had become as common quality defect maximum in residential housing.Lavatory Bothroom & kitchen
Seepage, cause flooring, wall leakage to drip, metope, ceiling occur large area get damp, wet, mouldy, efflorescence of spreading and sinking in, sternly
Ghost image rings the normal use of house, and repaiies for a long time and do not heal, and causes the biggest puzzlement to resident family, reports complaint amount for repairment and surge.By many
The reason mainly design factor of analysis of cases generation, material factor, construction factor cause.Wherein, what material factor caused oozes
The situation incidence rate of leakage is the highest.As in weak links such as pipeline, floor drain, pits, being provided without encapsulant filleting, or be provided without fitting
The construction technology that suitable material is matched, have employed the material of not anticorrosive mildewproof, easily causes Seepage to occur.For a long time with
Coming, waterproof material is always based on Colophonium, malthoid and organic material, and some material is poisonous, have taste, and constructing operation is difficult, the most not
Ageing-resistant.To this end, domestic several rigid waterproofing coating that releases one after another, but relatively costly.
Summary of the invention
The technical problem to be solved in the present invention is: overcome deficiency of the prior art, it is provided that one can effectively water-impervious, ring
The water-proof cement additive protected.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of water-proof cement additive, its mass parts composition is as follows: polyvinyl alcohol 10-20 part, calcium chloride 2-6 part, hydroxyl first
Base cellulose 6-8 part, Potassium aluminum sulfate dodecahydrate 2.5-6.4 part, defoamer 1.2-2.4 part, water reducer 0.2-0.6 part, initiator
0.6-1.2 part, phosphatase 11-2.1 parts, flyash 3.6-6.4 part.
Further, described defoamer selects cotton pulp, hydrophobic silica, the mixture of polyoxyethylene polyoxy propane,
Its mass ratio is 1:1.2:1.1-1.4.
Further, described cotton pulp, hydrophobic silica, the mass ratio of polyoxyethylene polyoxy propane are 1:1.2:1.2.
Further, described initiator selects Cericammoniumsulfate.
Further, described water reducer selects Natrii Sulfas, wood calcium and the mixture of tripolycyanamide, and its mass ratio is 1:0.8:
0.8-1.4。
Further, the mass ratio of described Natrii Sulfas, wood calcium and tripolycyanamide is 1:0.8:1.2.
Further, the mass parts composition of described water-proof cement additive is as follows: polyvinyl alcohol 15 parts, 4 parts of calcium chloride, hydroxyl
Methylcellulose 7 parts, Potassium aluminum sulfate dodecahydrate 4.5 parts, defoamer 1.8 parts, water reducer 0.4 part, initiator 0.9 part, phosphatase 11 .5
Part, 5 parts of flyash.
The method preparing water-proof cement additive, described method includes the following: polyvinyl alcohol, hydroxymethyl cellulose, phosphorus
Acid, be added to the water, then in solution add defoamer, 20-30 DEG C of stirring and evenly mixing of water-bath, chlorine adding calcium, ten sulfate dihydrates
Aluminum potassium and initiator, water-bath 80-100 DEG C stirring 5h, add water reducer and flyash after being cooled to room temperature, dry, pulverized 100
Mesh sieve obtains waterproof additive.
Technical scheme is used to provide the benefit that:
After emulsion blending after the waterproof additive of the present invention and cement dissolving, cement has excellent continuous film forming
Can, make the active group in some polymer molecules may produce cross-linking reaction with Ca, the Al in hydrolysis product of cement, form spy
Different bridged bond effect, improves physical organization's structure of cement mortar hardenite, alleviates internal stress, decreases the generation of micro-crack,
Enhancing the compactness of polymer waterproof coating material, compactness is stronger；Composition is the most nontoxic, pollution-free, belongs to ep-type material；
The preparation method of the cement waterproof agent of the present invention is simple, and whole production process is environment friendly and pollution-free.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described.
Embodiment 1
A kind of water-proof cement additive, its mass parts composition is as follows: polyvinyl alcohol 10 parts, 2 parts of calcium chloride, hydroxylmethyl cellulose
Element 6 parts, Potassium aluminum sulfate dodecahydrate 2.5 parts, defoamer 1.2 parts, water reducer 0.2 part, initiator 0.6 part, phosphatase 11 part, flyash
3.6 part.
Wherein, defoamer selects cotton pulp, hydrophobic silica, the mixture of polyoxyethylene polyoxy propane, its mass ratio
For 1:1.2:1.1.
Wherein, initiator selects Cericammoniumsulfate.
Wherein, water reducer selects Natrii Sulfas, wood calcium and the mixture of tripolycyanamide, and its mass ratio is 1:0.8:0.8.
Embodiment 2
A kind of water-proof cement additive, its mass parts composition is as follows: polyvinyl alcohol 12 parts, 3 parts of calcium chloride, hydroxylmethyl cellulose
Element 6.5 parts, Potassium aluminum sulfate dodecahydrate 2.8 parts, defoamer 1.5 parts, water reducer 0.3 part, initiator 0.7 part, phosphatase 11 .2 part, powder
Coal ash 3.8 parts.
Wherein, defoamer selects cotton pulp, hydrophobic silica, the mixture of polyoxyethylene polyoxy propane, its mass ratio
For 1:1.2:1.2.
Wherein, initiator selects Cericammoniumsulfate.
Wherein, water reducer selects Natrii Sulfas, wood calcium and the mixture of tripolycyanamide, and its mass ratio is 1:0.8:0.9.
Embodiment 3
A kind of water-proof cement additive, its mass parts composition is as follows: polyvinyl alcohol 15 parts, 4 parts of calcium chloride, hydroxylmethyl cellulose
Element 7 parts, Potassium aluminum sulfate dodecahydrate 4.5 parts, defoamer 1.8 parts, water reducer 0.4 part, initiator 0.9 part, phosphatase 11 .5 part, fine coal
Ash 5 parts.
Wherein, defoamer selects cotton pulp, hydrophobic silica, the mixture of polyoxyethylene polyoxy propane, its mass ratio
For 1:1.2:1.2.
Wherein, initiator selects Cericammoniumsulfate.
Wherein, water reducer selects Natrii Sulfas, wood calcium and the mixture of tripolycyanamide, and its mass ratio is 1:0.8:1.2.
Embodiment 4
A kind of water-proof cement additive, its mass parts composition is as follows: polyvinyl alcohol 18 parts, 5 parts of calcium chloride, hydroxylmethyl cellulose
Element 7.5 parts, Potassium aluminum sulfate dodecahydrate 6 parts, defoamer 2 parts, water reducer 0.5 part, initiator 1 part, phosphatase 11 .8 part, flyash 6
Part.
Wherein, defoamer selects cotton pulp, hydrophobic silica, the mixture of polyoxyethylene polyoxy propane, its mass ratio
For 1:1.2:1.3.
Wherein, initiator selects Cericammoniumsulfate.
Wherein, water reducer selects Natrii Sulfas, wood calcium and the mixture of tripolycyanamide, and its mass ratio is 1:0.8:1.3.
Embodiment 5
A kind of water-proof cement additive, its mass parts composition is as follows: polyvinyl alcohol 20 parts, 6 parts of calcium chloride, hydroxylmethyl cellulose
Element 8 parts, Potassium aluminum sulfate dodecahydrate 6.4 parts, defoamer 2.4 parts, water reducer 0.2-0.6 part, initiator 1.2 parts, phosphoric acid 2.1 parts,
6.4 parts of flyash.
Wherein, defoamer selects cotton pulp, hydrophobic silica, the mixture of polyoxyethylene polyoxy propane, its mass ratio
For 1:1.2:1.4.
Wherein, initiator selects Cericammoniumsulfate.
Wherein, water reducer selects Natrii Sulfas, wood calcium and the mixture of tripolycyanamide, and its mass ratio is 1:0.8:1.4.
The preparation method of the water-proof cement additive in embodiment 1-5 is as follows: by polyvinyl alcohol, hydroxymethyl cellulose, phosphorus
Acid, be added to the water, then in solution add defoamer, 20-30 DEG C of stirring and evenly mixing of water-bath, chlorine adding calcium, ten sulfate dihydrates
Aluminum potassium and initiator, water-bath 80-100 DEG C stirring 5h, add water reducer and flyash after being cooled to room temperature, dry, pulverized 100
Mesh sieve obtains waterproof additive.
In embodiment 1-5 prepare water-proof cement additive add in cement, then cement is carried out following test into
Row performance study.
Test chamber standard test conditions is: temperature (23 ± 2) DEG C, relative humidity 45%-70%.Sample and used before test
24h should the most at least be placed by utensil.Liquid component and solid constituent are i.e. stirred respectively by visual examination with Glass rod
Rear range estimation.Liquid component should be free from admixture, homogeneous latex emulsion without gel；Solid constituent should be free from admixture, without the powder lumpd.
Use above-mentioned cement joints cement block, after the demoulding, cut the test specimen 3 pieces of 150mm × 150mm.Then impervious water is carried out
Test, when impervious test piece is forced into 1.5MPa, and constant voltage 1h is the most permeable, should stop test.Interpolation above-described embodiment prepares
Water-proof cement additive is discovery phenomenon of osmosis in test process.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (8)
1. a water-proof cement additive, it is characterised in that its mass parts composition is as follows: polyvinyl alcohol 10-20 part, calcium chloride 2-6
Part, hydroxymethyl cellulose 6-8 part, Potassium aluminum sulfate dodecahydrate 2.5-6.4 part, defoamer 1.2-2.4 part, water reducer 0.2-0.6 part,
Initiator 0.6-1.2 part, phosphatase 11-2.1 parts, flyash 3.6-6.4 part.
A kind of water-proof cement additive the most according to claim 1, it is characterised in that: described defoamer is selected cotton pulp, is dredged
Aqueous silicon dioxide, the mixture of polyoxyethylene polyoxy propane, its mass ratio is 1:1.2:1.1-1.4.
A kind of water-proof cement additive the most according to claim 2, it is characterised in that: described cotton pulp, hydrophobicity titanium dioxide
Silicon, the mass ratio of polyoxyethylene polyoxy propane are 1:1.2:1.2.
A kind of water-proof cement additive the most according to claim 1, it is characterised in that: described initiator selects cerous sulfate
Ammonium.
A kind of water-proof cement additive the most according to claim 1, it is characterised in that: described water reducer selects Natrii Sulfas, wood
Calcium and the mixture of tripolycyanamide, its mass ratio is 1:0.8:0.8-1.4.
A kind of water-proof cement additive the most according to claim 5, it is characterised in that: described Natrii Sulfas, wood calcium and melamine
The mass ratio of amine is 1:0.8:1.2.
A kind of water-proof cement additive the most according to claim 1, it is characterised in that: polyvinyl alcohol 15 parts, calcium chloride 4
Part, hydroxymethyl cellulose 7 parts, Potassium aluminum sulfate dodecahydrate 4.5 parts, defoamer 1.8 parts, water reducer 0.4 part, initiator 0.9 part, phosphorus
Acid 1.5 parts, 5 parts of flyash.
8. the method for preparation water-proof cement additive as according to any one of claim 1-7, it is characterised in that described method
Include the following: polyvinyl alcohol, hydroxymethyl cellulose, phosphoric acid, be added to the water, then in solution, add defoamer, water-bath 20-30
DEG C stirring and evenly mixing, chlorine adding calcium, Potassium aluminum sulfate dodecahydrate and initiator, water-bath 80-100 DEG C stirring 5h, it is cooled to room temperature
Rear addition water reducer and flyash, dry, pulverized 100 mesh sieves and obtain waterproof additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610440192.7A CN106082770A (en) | 2016-06-17 | 2016-06-17 | A kind of water-proof cement additive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610440192.7A CN106082770A (en) | 2016-06-17 | 2016-06-17 | A kind of water-proof cement additive |
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| CN106082770A true CN106082770A (en) | 2016-11-09 |
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| CN201610440192.7A Pending CN106082770A (en) | 2016-06-17 | 2016-06-17 | A kind of water-proof cement additive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841277A (en) * | 2018-05-30 | 2018-11-20 | 周晓东 | A kind of preparation method of polymer cement waterproof paint |
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2016
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| CN101074355A (en) * | 2006-05-17 | 2007-11-21 | 苏笮斌 | Cement-based penetrant crystalline waterproof material and its production |
| CN101597155A (en) * | 2008-06-04 | 2009-12-09 | 俞金波 | Defoamer |
| CN102757196A (en) * | 2012-07-25 | 2012-10-31 | 天津市南开区房地产管理局 | Waterproof cement additive and cement containing same |
| CN103755268A (en) * | 2014-02-17 | 2014-04-30 | 陈宝 | Method for preparing hydraulic cementing material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841277A (en) * | 2018-05-30 | 2018-11-20 | 周晓东 | A kind of preparation method of polymer cement waterproof paint |
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Effective date of registration: 20180704 Address after: 226661 No. 123 South Street, Qu Tang Town, Haian, Nantong, Jiangsu Applicant after: Jing Zhuqiang Address before: 210028 305, room 4, Qixia District, Yantai Road, Nanjing, Jiangsu, 319 Applicant before: Tang Haitao |
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Application publication date: 20161109 |