CN102875053A - Compound type powder waterproof agent and preparation method thereof - Google Patents
Compound type powder waterproof agent and preparation method thereof Download PDFInfo
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- CN102875053A CN102875053A CN201210412791XA CN201210412791A CN102875053A CN 102875053 A CN102875053 A CN 102875053A CN 201210412791X A CN201210412791X A CN 201210412791XA CN 201210412791 A CN201210412791 A CN 201210412791A CN 102875053 A CN102875053 A CN 102875053A
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Abstract
The invention relates to a compound type powder waterproof agent and a preparation method thereof. The compound type powder waterproof agent comprises raw materials of stearate, lignin, hydroxymethyl, calcium substances and silicon dioxide. The compound type powder waterproof agent disclosed by the invention is identical with cement in property and belongs to a rigid inorganic compound cement additive. The compactness and the impermeability of cement and cement mortar in which the compound type powder waterproof agent is added are greatly enhanced; and a three-dimensional water resistant mode is formed, and thus the waterproof effect is excellent and the strength of the concrete is improved by 20-30 percent.
Description
Technical field
The present invention relates to the waterproofing work of building field, relate in particular to a kind of compound powder waterproofing agent and preparation method thereof.
Background technology
Building trade waterproofing work field, waterproof is one of important functional imperative, its water-repellancy is only second to structure.Water-proof material is multifarious in the market, kind is a lot of, can be divided into coiled material, meal, latax etc. on form; From material, can be divided into organic and inorganic and synthetic materials; A large amount of water-proof materials has played certain active effect in the evolution of buildings waterproof.Along with expanding economy, more and more higher to the requirement of building function, but because material and the factor affecting such as objective, subjective, the buildings waterproof problem is still one of problem that building trade pays close attention to the most.
At present, China's overwhelming majority WATER REPELLENT is the method that passive employing water-proof material separates water, Chinese patent CN 101786901A(applying date for example: on March 5th, 2010, application number: 201010118186.2, applicant: disclosed a kind of organosilicon emulsion-type waterproofing agent for building material surfaces Lingzhi Fine Chemical Co., Ltd., Zhejiang), but this kind liquid-tight manner is extremely waste of manpower, material resources, financial resources not only, and the waterproof layer life-span is not long yet.Yi Ge city subway line is example, used " GCL " (Chinese patent CN 1916299 during construction, the applying date: on January 18th, 2006, application number: 200610002169.6, applicant: Zhang Jiwu) or various surface waterproofing material, reveal existing big area seepage, long-term seepage can cause subway body of wall and inner reinforcement corrosion, causes potential safety hazard.
The subway construction experience has proved absolutely no matter adopt which kind of waterproof principle and waterproof scheme both at home and abroad, and conscientiously carrying out concrete structure is basic from waterproof, if departed from this principle, the subway waterproof is impossible ready-made.Skeleton construction is the main defence line of underground structure waterproof from waterproof, also is developing direction, and improving concrete structure is effectively to control the crack of concrete structure from the key of waterproof quality.At present, heightened awareness is to the importance of self waterproof for many waterproof experts, so self waterproof of material of construction is trend.
Summary of the invention
The purpose of this invention is to provide a kind of compound powder waterproofing agent and preparation method thereof, comprise stearates, lignin, methylol class, calcium substance and silicon-dioxide in the raw material of this compound powder waterproofing agent; The invention solves self water resistance difficult problem of concrete and mortar, solved the break phenomenon of infiltration of building surface waterproof layer.
Above-mentioned purpose of the present invention will further describe and embody by following detailed description.
A kind of compound powder waterproofing agent, described water-resisting agent are tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.01 ~ 5%.
Further, comprise stearates, lignin, methylol class, calcium substance in the raw material of described water-resisting agent, the ratio of weight and number of each raw material is in the described water-resisting agent:
Stearates 10.0 ~ 70.0
Lignin 10.0 ~ 80.0
Methylol class 1.0 ~ 50.0
Calcium substance 5.0 ~ 90.0;
The ratio of weight and number of the raw material that also comprises in the described water-resisting agent is:
Silicon-dioxide 0.1 ~ 30.0.
Further, described stearates is one or more the mixture in Magnesium Stearate, calcium stearate, Zinic stearas, the aluminum stearate; Described lignin is one or more the mixture in sodium lignosulfonate, calcium lignin sulphonate, the lignin fibre; Described methylol class is one or both the mixture in sodium cellulosate, the Mierocrystalline cellulose; Described calcium substance is one or more the mixture in calcium hydroxide, lime, oyster shell whiting, the unslaked lime; Described silicon-dioxide is Powdered.
Two of purpose of the present invention realizes by following another technical scheme:
A kind of preparation method of compound powder waterproofing agent comprises stearates, lignin, methylol class, calcium substance in the raw material of described water-resisting agent, the ratio of weight and number of each raw material is in the described water-resisting agent:
Stearates 10.0 ~ 70.0
Lignin 10.0 ~ 80.0
Methylol class 1.0 ~ 50.0
Calcium substance 5.0 ~ 90.0;
The ratio of weight and number of the raw material that also comprises in the described water-resisting agent is:
Silicon-dioxide 0.1 ~ 30.0.
The preparation process of described water-resisting agent is as follows:
Described each raw material is poured in the stirrer, and mix and blend namely obtained described compound powder waterproofing agent in 40 minutes.
[0012] three of purpose of the present invention realize by following another technical scheme:
A kind of application of compound powder waterproofing agent, described water-resisting agent and sand-cement slurry or concrete are mixed and made into water-repellent cement.
Further, the constructional method of described compound powder waterproofing agent may further comprise the steps:
(1) parent arrangement, cleaning work: remove the dirt, dust, iron wire, iron plate, wood chip and the part, particularly iron wire of giving prominence to and exposure place of nail that are attached on the parent, it should be squeezed in the concrete, use again ordinary mortar floating; If existing waterproof layer on the parent will carry out following waterproof construction after original waterproof layer dismounting;
(2) operation that blocks water: use agent to rapidly block up leakage to block the place that leaks;
(3) waterproof homework:
A. mix: get described compound powder waterproofing agent and cement even in container for stirring, namely obtain water-repellent cement;
B. prepare waterproof paste: in above-mentioned water-repellent cement, slowly add water, namely obtain waterproof paste;
C. brushing: with above-mentioned waterproof paste evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the first time waterproof construction;
D. prepare waterproof mortar: get described compound powder waterproofing agent, cement is even in container for stirring, then add the sand that is sieved in the said vesse and stir, again with water slowly perfusion stir, namely obtain waterproof mortar;
E. secondary brushing: will need the position of waterproof fully to water, with above-mentioned waterproof mortar evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the second time waterproof construction;
(4) maintenance work: guarantee frequent water seasoning at least 3 days after finishing above-mentioned waterproof homework.
Above-mentioned each component synergy, its mechanism of action is as follows:
1, bleed water-reduction:
The lignin material is the tensio-active agent with hydrophobic effect, and it can reduce the surface tension of mixture, stirs to produce in a large number small, uniform bubble, and these micro-bubbles have following effect:
(1) makes that the point of contact between the sand particle greatly reduces in the mixture, reduce the frictional force of system, the workability of concrete mix is significantly improved, improve the inside concrete homogeneity;
(2) iris action: make the corresponding increase of sedimentation resistance of aggregate, reduced because the generation of inhomogeneous defective, aggregate interface imperfect bonding phenomenon and the sedimentation plastic shrinkage cracks of the concrete that settlement action causes;
(3) improved the water retention capacity of cement, the bleeding of mixture is greatly reduced;
(4) because the iris action of bubble, make free water evaporation route in the concrete mix become tortuous, tiny, dispersion, closed pore, Gu and changed feature capillaceous and quantity, reduced concrete infiltration path;
(5) bleed also makes the cement granules hydrophobisation, thereby also makes capillary wall hydrophobisation in the concrete, and absorption and infiltration effect that this has just hindered inside concrete are conducive to improve concrete impermeability;
(6) in concrete, mix the lignin material after, because absorption, the diffusion of lignin, so that the free-water that wraps up in the cement aggregate discharges, improved significantly concrete construction workability, therefore, when satisfying certain workability requirement, can reduce the consumption of mixing water, thereby the pore volume that stays after the quantity of minimizing concrete free-water and the moisture evaporation improves concrete density;
(7) the lignin material water-soluble after, can be regarded as negatively charged ion and metallic cation, Anion-adsorption is in cement particle surface, make it electronegative and mutually exclusive, thereby, make cement granules separated from one another, hydrated product is evenly distributed, the hydrated product refinement, thus the Pore Structure of Concrete state changed, make the remarkable diminishing in aperture and total pore space;
(8) bleed and diminishing acting in conjunction, make in the concrete produce lockedin air space, thereby reduce bleeding rate around the aggregate, the concrete impermeability of favourable raising.
2, waterproof action:
The waterproof component mainly is composited by stearic acid and calcium substance, above-mentioned two kinds of components all are the hydrophobic surface promoting agents, stearic acid and calcium substance effect, form insoluble fatty acid calcium (calcium soap), stay after the hardening of cement in the kapillary, cut off the pore path, make shipwreck to enter inside concrete, and the alkyl of long-chain forms water-repellent layer on cement product surface with at the capillary hole wall, and the kapillary adsorption is weakened, and has reduced concrete water-absorbent.
3, shrinkage-compensating effect:
The methylol class is mixed with the stearic acid material can form calcium-aluminate, in the larger situation of amount ratio, could expansion effect, and consumption is few in the described water-resisting agent, only plays the shrinkage-compensating effect, does not have the expansion densification.
4, early strength function:
In concrete, mix a certain amount of sulfomethylated lignin acids and methylol class material, can improve concrete impermeability, and early strong and enhancement is arranged, can remedy because the delayed coagulation of the cement that the waterproof component causes, the sulfomethylated lignin acids has katalysis, can accelerate the aquation of cement, make cement just can generate more hydrated product in early days, capture more water and its combination, corresponding minimizing free-water, reduced the pore that stays owing to the free-water evaporation, thereby improved concrete density and impermeability, in addition, the sulfomethylated lignin acids can with cement in aluminate generate the chromium complex of aluminium salt, the generation of this chromium complex can produce volumetric expansion, can stop up the hole of inside concrete and cut off capillary passage, increases concrete density.
Above-mentioned component is compound, causes physical reaction, produces comprehensive waterproof effect.
[0020] the present invention's beneficial effect compared to existing technology is:
1, because the raw material rational proportion of the compound powder waterproofing agent of the present invention, synergy, character is identical with cement, belong to rigid composite type inorganics cement additire, described water-resisting agent fully mixes rear dissolving with cement, forms negatively charged ion and metallic cation, and be attached to cement surface, all greatly strengthen so added concrete, the density of sand-cement slurry, the impermeability of described compound powder waterproofing agent, form three-dimensional waterproof, waterproof effect is excellent;
2, because the compound powder waterproofing agent of the present invention adopts the Environmental Safety raw material, fully pollution-free to environment so product is nontoxic, can be used safely in building field;
3, because of having added the compound powder waterproofing agent of the present invention in concrete, the sand-cement slurry, need not to re-use other water-proof material after the construction, and in the same life-span of its waterproof effect and cement, construction is all comparatively convenient with maintenance, so greatly saved human and material resources, financial resources.
Embodiment
Embodiment 1:
A kind of compound powder waterproofing agent, described water-resisting agent are tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.01 ~ 5%.
Comprise stearates, lignin, methylol class, calcium substance in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Stearates 10.0 ~ 70.0
Lignin 10.0 ~ 80.0
Methylol class 1.0 ~ 50.0
Calcium substance 5.0 ~ 90.0;
The preparation method of the described compound powder waterproofing agent of the present embodiment is: described each raw material is poured in the stirrer, and mix and blend namely obtained described compound powder waterproofing agent in 40 minutes.
The application of compound powder waterproofing agent described in the present embodiment, described water-resisting agent and sand-cement slurry or concrete are mixed and made into water-repellent cement.
The constructional method of compound powder waterproofing agent described in the present embodiment may further comprise the steps:
(1) parent arrangement, cleaning work: remove the dirt, dust, iron wire, iron plate, wood chip and the part, particularly iron wire of giving prominence to and exposure place of nail that are attached on the parent, it should be squeezed in the concrete, use again ordinary mortar floating; If existing waterproof layer on the parent will carry out following waterproof construction after original waterproof layer dismounting;
(2) operation that blocks water: use agent to rapidly block up leakage to block the place that leaks;
(3) waterproof homework:
A. mix: get described compound powder waterproofing agent and cement even in container for stirring, namely obtain water-repellent cement;
B. prepare waterproof paste: in above-mentioned water-repellent cement, slowly add water, namely obtain waterproof paste;
C. brushing: with above-mentioned waterproof paste evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the first time waterproof construction;
D. prepare waterproof mortar: get described compound powder waterproofing agent, cement is even in container for stirring, then add the sand that is sieved in the said vesse and stir, again with water slowly perfusion stir, namely obtain waterproof mortar;
E. secondary brushing: will need the position of waterproof fully to water, with above-mentioned waterproof mortar evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the second time waterproof construction;
(4) maintenance work: guarantee frequent water seasoning at least 3 days after finishing above-mentioned waterproof homework.
The used weight unit of the present embodiment is kilogram, also can be ton.
Each raw material described in the present embodiment is technical grade.
Each raw material described in the present embodiment is the conventional products of selling on the market, and the equipment that adopts among the preparation method of the present embodiment also is the conventional products of selling on the market.
In the present embodiment, each raw material can be in the ratio range that provides flexible combination, do not enumerate one by one at this.
Embodiment 2:
A kind of compound powder waterproofing agent, described water-resisting agent are tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.01 ~ 5%.
Comprise stearates, lignin, methylol class, calcium substance in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Stearates 10.0 ~ 70.0
Lignin 10.0 ~ 80.0
Methylol class 1.0 ~ 50.0
Calcium substance 5.0 ~ 90.0;
The ratio of weight and number of the raw material that also comprises in the described water-resisting agent is:
Silicon-dioxide 0.1 ~ 30.0;
The preparation method of the described compound powder waterproofing agent of the present embodiment is: described each raw material is poured in the stirrer, and mix and blend namely obtained described compound powder waterproofing agent in 40 minutes.
The application of compound powder waterproofing agent described in the present embodiment, described water-resisting agent and sand-cement slurry or concrete are mixed and made into water-repellent cement.
The constructional method of compound powder waterproofing agent described in the present embodiment may further comprise the steps:
(1) parent arrangement, cleaning work: remove the dirt, dust, iron wire, iron plate, wood chip and the part, particularly iron wire of giving prominence to and exposure place of nail that are attached on the parent, it should be squeezed in the concrete, use again ordinary mortar floating; If existing waterproof layer on the parent will carry out following waterproof construction after original waterproof layer dismounting;
(2) operation that blocks water: use agent to rapidly block up leakage to block the place that leaks;
(3) waterproof homework:
A. mix: get described compound powder waterproofing agent and cement even in container for stirring, namely obtain water-repellent cement;
B. prepare waterproof paste: in above-mentioned water-repellent cement, slowly add water, namely obtain waterproof paste;
C. brushing: with above-mentioned waterproof paste evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the first time waterproof construction;
D. prepare waterproof mortar: get described compound powder waterproofing agent, cement is even in container for stirring, then add the sand that is sieved in the said vesse and stir, again with water slowly perfusion stir, namely obtain waterproof mortar;
E. secondary brushing: will need the position of waterproof fully to water, with above-mentioned waterproof mortar evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the second time waterproof construction;
(4) maintenance work: guarantee frequent water seasoning at least 3 days after finishing above-mentioned waterproof homework.
The used weight unit of the present embodiment is kilogram, also can be ton.
Each raw material described in the present embodiment is technical grade.
Each raw material described in the present embodiment is the conventional products of selling on the market, and the equipment that adopts among the preparation method of the present embodiment also is the conventional products of selling on the market.
In the present embodiment, each raw material can be in the ratio range that provides flexible combination, do not enumerate one by one at this.
Embodiment 3:
The present embodiment is the preferred version on the basis of embodiment 1, and the quality of used raw material is identical with embodiment 1.
A kind of compound powder waterproofing agent, described water-resisting agent are tasteless white or pink powder, and its granularity is 200 orders, water content 2%.
Comprise stearates, lignin, methylol class, calcium substance in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Magnesium Stearate 4.0
Aluminum stearate 6.0
Sodium lignosulfonate 20.0
Sodium cellulosate 1.0
Calcium hydroxide 35.0
Oyster shell whiting 45.0;
The preparation method of the described compound powder waterproofing agent of the present embodiment is: described each raw material is poured in the stirrer, and mix and blend namely obtained described compound powder waterproofing agent in 40 minutes.
In order to detect described compound powder waterproofing agent to the impact of sand-cement slurry performance, according to JC474-2008 " mortar, concrete waterproofer " standard detection stability, time of coagulation, compressive strength rate, the permeable pressure water demand ratio (48h) when that adds the sand-cement slurry of described compound powder waterproofing agent, the volume of wherein said compound powder waterproofing agent is 3.9% of cement consumption, and detected result is as shown in table 1.
Above-mentioned detected result is the examining report that national building materials test center shows, the center of this examining report is numbered 20121E01240, its test result is: through check, the detected result of project that submitted sample is examined meets the technical requirements of JC474-2008 " mortar, concrete waterproofer " standard medium sand slurry water-resisting agent salable product.
Compound powder waterproofing agent described in the present embodiment is applied in the waterproof construction of toilet and boiled water room basic unit, and construction procedure is as follows:
(1) parent arrangement, cleaning work: remove the dirt that is attached in toilet and the boiled water room basic unit, dust, silt, laitance, ponding etc., and keep moisture state;
(2) waterproof homework:
A. mix: get described compound powder waterproofing agent 2kg and the above ordinary Portland cement 50kg of 32.5R even in container for stirring, namely obtain water-repellent cement;
B. prepare waterproof paste: in above-mentioned water-repellent cement, slowly add water, namely obtain waterproof paste;
C. brushing: evenly brushing is to the above-mentioned parent that needs waterproof construction with above-mentioned waterproof paste, and brushing thickness is 1 ~ 2mm,, horizontal one time, namely finishes for the first time waterproof construction during brushing perpendicular one time;
D. prepare waterproof mortar: get described compound powder waterproofing agent 2kg, the above ordinary Portland cement 50kg of 32.5R even in container for stirring, then add the sand 150kg that is sieved in the said vesse and stir, again water is slowly poured into and stir, namely obtain waterproof mortar;
E. secondary brushing: after above-mentioned steps c finishes after 5 minutes, can evenly brushing to be to the above-mentioned parent that needs waterproof construction with above-mentioned waterproof mortar, smearing thickness is 8 ~ 15mm, namely finishes for the second time waterproof construction;
(4) maintenance work: guarantee frequent water seasoning at least 3 days after finishing above-mentioned waterproof homework;
In addition: during toilet metope WATER REPELLENT, behind completing steps a ~ c, after described waterproof paste layer condenses, get final product sticking brick again.
Embodiment 4:
Another embodiment of a kind of compound powder waterproofing agent, the present embodiment is the improvement of carrying out on the basis of embodiment 2, the part identical with embodiment 2 in the present embodiment please refer among the embodiment 2 disclosed content and understands, and embodiment 2 disclosed contents also should be as the content of the present embodiment.
Comprise stearates, lignin, methylol class, calcium substance and silicon-dioxide in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Calcium stearate 4.0
Aluminum stearate 6.0
Sodium lignosulfonate 20.0
Sodium cellulosate 10.0
Mierocrystalline cellulose 5.0
Calcium hydroxide 35.0
Oyster shell whiting 15.0
Silicon-dioxide 5.0;
Compound powder waterproofing agent described in the present embodiment is applied in the ground waterproof construction, and construction procedure is than the improvements of embodiment 2:
(2) waterproof homework:
E. secondary brushing: after above-mentioned steps c finishes after 5 minutes, can evenly brushing to be to the above-mentioned parent that needs waterproof construction with above-mentioned waterproof mortar, smearing thickness is 18 ~ 25mm, namely finishes for the second time waterproof construction.
Embodiment 5:
Another embodiment of a kind of compound powder waterproofing agent, the present embodiment is the improvement of carrying out on the basis of embodiment 2, the part identical with embodiment 2 in the present embodiment please refer among the embodiment 2 disclosed content and understands, and embodiment 2 disclosed contents also should be as the content of the present embodiment.
Comprise stearates, lignin, methylol class, calcium substance and silicon-dioxide in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Magnesium Stearate 40.0
Calcium stearate 2.0
Aluminum stearate 5.0
Sodium lignosulfonate 20.0
Sodium cellulosate 10.0
Mierocrystalline cellulose 5.0
Calcium hydroxide 35.0
Unslaked lime 15.0
Silica 1 .0;
Compound powder waterproofing agent described in the present embodiment is applied in the metope waterproof construction, and construction procedure is than the improvements of embodiment 2:
(2) waterproof homework:
E. secondary brushing: after above-mentioned steps c finishes after 5 minutes, can evenly brushing to be to the above-mentioned parent that needs waterproof construction with above-mentioned waterproof mortar, smearing thickness is 15 ~ 20mm, namely finishes for the second time waterproof construction.
Embodiment 6:
Another embodiment of a kind of compound powder waterproofing agent, the present embodiment is the improvement of carrying out on the basis of embodiment 2, the part identical with embodiment 2 in the present embodiment please refer among the embodiment 2 disclosed content and understands, and embodiment 2 disclosed contents also should be as the content of the present embodiment.
Comprise stearates, lignin, methylol class, calcium substance and silicon-dioxide in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Magnesium Stearate 30.0
Calcium stearate 30.0
Aluminum stearate 5.0
Sodium lignosulfonate 10.0
Sodium cellulosate 10.0
Mierocrystalline cellulose 5.0
Calcium hydroxide 30.0
Unslaked lime 6.0
Silicon-dioxide 30.0;
Compound powder waterproofing agent is applied in the roof waterproof construction described in the present embodiment, and construction procedure is than the improvements of embodiment 2:
(2) waterproof homework:
D. prepare waterproof mortar: get described compound powder waterproofing agent 2kg, the above ordinary Portland cement 50kg of 32.5R even in container for stirring, then add the sand 150kg that is sieved in the said vesse and stir, again water is slowly poured into and stir, namely obtain waterproof mortar;
E. lay gauze: the gauze of laying 5cm * 5cm;
F. secondary brushing: after 5 ~ 7 minutes, above-mentioned waterproof mortar evenly can be brushed to the roofing of above-mentioned need waterproof construction after above-mentioned steps c finishes, smearing thickness is 30mm; Brush waterproof mortar after 48 hours second time, smearing thickness is 20 ~ 30mm again, namely finishes for the second time waterproof construction;
(3) maintenance work: smeared for the second time behind the described waterproof mortar 24 as a child, and fully watered every 6 hours waters, and prevented that the roofing mortar from having slight crack, curing time at least 7 days.
Embodiment 7:
The present embodiment is the preferred version on the basis of embodiment 1, and the quality of used raw material is identical with embodiment 1.
A kind of compound powder waterproofing agent, described water-resisting agent are tasteless off-white powder, and its granularity is 200 orders, water content＜5%.
Comprise stearates, lignin, methylol class, calcium substance and silicon-dioxide in the raw material of water-resisting agent described in the present embodiment, the ratio of weight and number of each raw material is in the described water-resisting agent:
Calcium stearate 5.0
Zinic stearas 5.0
Sodium lignosulfonate 75.0
Lignocellulose 5.0
Mierocrystalline cellulose 15.0
Unslaked lime 10.0
Lime 5.0
Silica 1 .0;
The preparation method of the described compound powder waterproofing agent of the present embodiment is: described each raw material is poured in the stirrer, and mix and blend namely obtained described compound powder waterproofing agent in 40 minutes.
Compound powder waterproofing agent is applied to the Concrete Anti Hydraulic Projects described in the present embodiment, when normal temperature is not less than 5 ℃, with described compound powder waterproofing agent directly and concrete be mixed and made into water-proof concrete, volume is the described compound powder waterproofing agent of every cubic meter of concrete 12kg ± 1g.
In order to detect described compound powder waterproofing agent to the impact of concrete performance, according to JC474-2008 " mortar, concrete waterproofer ", GB8076-1997 " concrete admixture " standard detection add described compound powder waterproofing agent concrete stability, bleeding rate ratio, compressive strength rate, when to the action of rust of reinforcing bar, detected result is as shown in table 2 for permeated height.
Above-mentioned detected result is the examining report that national building materials test center shows, the center of this examining report is numbered 20121E01241, its test result is: through check, the detected result of project that submitted sample is examined meets the technical requirements of concrete waterproofer salable product in JC474-2008 " mortar, the concrete waterproofer " standard; According to GB8076-1997 " concrete admixture ", submitted sample endangers the reinforcing bar non-corroding.
Above-mentioned water-proof concrete is applicable to all civil engineering works rigid waterproof concrete engineering of (comprising industry and covil construction, municipal administration, water conservancy, bridge, road, airport, harbour etc.), especially compatibly the Construction of Civil Engineering of lower, roofing and super-long and super-wide structure, and have the construction of the engineering constructions such as water conservancy, harbour, electric power of freeze-thaw cycle requirement.
Claims (10)
1. a compound powder waterproofing agent is characterized in that, described water-resisting agent is tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.01 ~ 5%.
2. a compound powder waterproofing agent is characterized in that, described water-resisting agent is tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.01 ~ 5%; Comprise stearates, lignin, methylol class, calcium substance in the raw material of described water-resisting agent, the ratio of weight and number of each raw material is in the described water-resisting agent:
Stearates 10.0 ~ 70.0
Lignin 10.0 ~ 80.0
Methylol class 1.0 ~ 50.0
Calcium substance 5.0 ~ 90.0.
3. compound powder waterproofing agent according to claim 2 is characterized in that, the ratio of weight and number of the raw material that described compound powder waterproofing agent also comprises is:
Silicon-dioxide 0.1 ~ 30.0;
Described silicon-dioxide is Powdered.
4. compound powder waterproofing agent according to claim 2 is characterized in that, described stearates is one or more the mixture in Magnesium Stearate, calcium stearate, Zinic stearas, the aluminum stearate; Described lignin is one or more the mixture in sodium lignosulfonate, calcium lignin sulphonate, the lignin fibre; Described methylol class is one or both the mixture in sodium cellulosate, the Mierocrystalline cellulose; Described calcium substance is one or more the mixture in calcium hydroxide, lime, oyster shell whiting, the unslaked lime.
5. according to claim 2 or 4 described compound powder waterproofing agents, it is characterized in that, the ratio of weight and number of each raw material is in the described water-resisting agent:
Magnesium Stearate 4.0
Aluminum stearate 6.0
Sodium lignosulfonate 20.0
Sodium cellulosate 1.0
Calcium hydroxide 35.0
Oyster shell whiting 45.0.
6. according to claim 2 or 3 or 4 described compound powder waterproofing agents, it is characterized in that, the ratio of weight and number of each raw material is in the described water-resisting agent:
Calcium stearate 4.0
Aluminum stearate 6.0
Sodium lignosulfonate 20.0
Sodium cellulosate 10.0
Mierocrystalline cellulose 5.0
Calcium hydroxide 35.0
Oyster shell whiting 15.0
Silicon-dioxide 5.0.
7. according to claim 2 or 3 or 4 described compound powder waterproofing agents, it is characterized in that, the ratio of weight and number of each raw material is in the described water-resisting agent:
Magnesium Stearate 40.0
Calcium stearate 2.0
Aluminum stearate 5.0
Sodium lignosulfonate 20.0
Sodium cellulosate 10.0
Mierocrystalline cellulose 5.0
Calcium hydroxide 35.0
Unslaked lime 15.0
Silica 1 .0.
8. the preparation method of a compound powder waterproofing agent is characterized in that, described water-resisting agent is tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.1 ~ 5%; Comprise stearates, lignin, methylol class, calcium substance in the raw material of described water-resisting agent, the ratio of weight and number of each raw material is in the described water-resisting agent:
Stearates 10.0 ~ 70.0
Lignin 10.0 ~ 80.0
Methylol class 1.0 ~ 50.0
Calcium substance 5.0 ~ 90.0;
The ratio of weight and number of the raw material that described water-resisting agent also comprises is:
Silicon-dioxide 0.1 ~ 30.0;
The preparation process of described water-resisting agent is as follows:
Described each raw material is poured in the stirrer, and mix and blend namely obtained described compound powder waterproofing agent in 40 minutes.
9. the application of a compound powder waterproofing agent is characterized in that, described water-resisting agent is tasteless white or pink powder, and its granularity is 70 ~ 450 orders, water content 0.01 ~ 5%; Described water-resisting agent and sand-cement slurry are mixed and made into water-repellent cement, and the consumption of described water-resisting agent is 3 ~ 4%.
10. the constructional method of a compound powder waterproofing agent may further comprise the steps:
(1) parent arrangement, cleaning work: remove the dirt, dust, iron wire, iron plate, wood chip and the part, particularly iron wire of giving prominence to and exposure place of nail that are attached on the parent, it should be squeezed in the concrete, use again ordinary mortar floating; If existing waterproof layer on the parent will carry out following waterproof construction after original waterproof layer dismounting;
(2) operation that blocks water: use agent to rapidly block up leakage to block the place that leaks;
(3) waterproof homework:
A. mix: get described compound powder waterproofing agent and cement even in container for stirring, namely obtain water-repellent cement;
B. prepare waterproof paste: in above-mentioned water-repellent cement, slowly add water, namely obtain waterproof paste;
C. brushing: with above-mentioned waterproof paste evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the first time waterproof construction;
D. prepare waterproof mortar: get described compound powder waterproofing agent, cement is even in container for stirring, then add the sand that is sieved in the said vesse and stir, again with water slowly perfusion stir, namely obtain waterproof mortar;
E. secondary brushing: will need the position of waterproof fully to water, with above-mentioned waterproof mortar evenly brushing to the above-mentioned parent that needs waterproof construction, namely finish for the second time waterproof construction;
(4) maintenance work: guarantee frequent water seasoning at least 3 days after finishing above-mentioned waterproof homework.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553408A (en) * | 2013-10-15 | 2014-02-05 | 成都新柯力化工科技有限公司 | Flexible water-proofing powder and preparation method |
| CN105060765A (en) * | 2015-07-29 | 2015-11-18 | 天津城建大学 | Powdery waterproof agent capable of simultaneously improving waterproof property and mechanical property of raw soil material |
| CN105084808A (en) * | 2015-07-29 | 2015-11-25 | 天津城建大学 | Powder waterproof agent special for raw soil materials and preparing method thereof |
| CN105236808A (en) * | 2014-07-09 | 2016-01-13 | 樱王精细化工股份有限公司 | Waterproof interface agent seaweed powder, waterproof interface agent seaweed paste and waterproof interface agent mud paste |
| CN106277910A (en) * | 2016-08-23 | 2017-01-04 | 陈广圣 | A kind of concrete water-proof additive |
| CN109809735A (en) * | 2017-11-20 | 2019-05-28 | 贵州凯襄新材料有限公司 | A kind of anti-permeability micro crystal waterproofing agent and preparation method thereof |
| CN111517691A (en) * | 2020-05-26 | 2020-08-11 | 深圳市利泽恒有限公司 | Polymer waterproof agent, waterproof concrete material and waterproof mortar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197822A (en) * | 1998-03-31 | 1998-11-04 | 屠国祥 | Efficient inorganic waterproof paint and its preparation process |
| CN1634792A (en) * | 2003-12-30 | 2005-07-06 | 陈晓光 | Waterproof additives for building materials and method for making same |
| CN1978367A (en) * | 2005-12-09 | 2007-06-13 | 王玉宝 | Waterproof heat-insulating flyash foamed concrete block |
-
2012
- 2012-10-25 CN CN201210412791.XA patent/CN102875053B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197822A (en) * | 1998-03-31 | 1998-11-04 | 屠国祥 | Efficient inorganic waterproof paint and its preparation process |
| CN1634792A (en) * | 2003-12-30 | 2005-07-06 | 陈晓光 | Waterproof additives for building materials and method for making same |
| CN1978367A (en) * | 2005-12-09 | 2007-06-13 | 王玉宝 | Waterproof heat-insulating flyash foamed concrete block |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553408A (en) * | 2013-10-15 | 2014-02-05 | 成都新柯力化工科技有限公司 | Flexible water-proofing powder and preparation method |
| CN105236808A (en) * | 2014-07-09 | 2016-01-13 | 樱王精细化工股份有限公司 | Waterproof interface agent seaweed powder, waterproof interface agent seaweed paste and waterproof interface agent mud paste |
| CN105060765A (en) * | 2015-07-29 | 2015-11-18 | 天津城建大学 | Powdery waterproof agent capable of simultaneously improving waterproof property and mechanical property of raw soil material |
| CN105084808A (en) * | 2015-07-29 | 2015-11-25 | 天津城建大学 | Powder waterproof agent special for raw soil materials and preparing method thereof |
| CN105060765B (en) * | 2015-07-29 | 2017-05-31 | 天津城建大学 | A kind of powder waterproofing agent that can simultaneously improve raw soil material water proofing property and mechanical property |
| CN105084808B (en) * | 2015-07-29 | 2017-06-23 | 天津城建大学 | A kind of raw soil material special powder waterproofing agent and preparation method thereof |
| CN106277910A (en) * | 2016-08-23 | 2017-01-04 | 陈广圣 | A kind of concrete water-proof additive |
| CN109809735A (en) * | 2017-11-20 | 2019-05-28 | 贵州凯襄新材料有限公司 | A kind of anti-permeability micro crystal waterproofing agent and preparation method thereof |
| CN111517691A (en) * | 2020-05-26 | 2020-08-11 | 深圳市利泽恒有限公司 | Polymer waterproof agent, waterproof concrete material and waterproof mortar |
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