CN106186955A - A kind of wet-mixing waterproof mortar and preparation method thereof - Google Patents
A kind of wet-mixing waterproof mortar and preparation method thereof Download PDFInfo
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- CN106186955A CN106186955A CN201610567345.4A CN201610567345A CN106186955A CN 106186955 A CN106186955 A CN 106186955A CN 201610567345 A CN201610567345 A CN 201610567345A CN 106186955 A CN106186955 A CN 106186955A
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- wet
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of wet-mixing waterproof mortar and preparation method thereof, weight ratio be 200～350:0～150:1300:200～sand, water, water repellent component and workability regulation component that the cement of 250:5:5～10, agstone, modulus of fineness are 2.1～2.5 form.The wet-mixing waterproof mortar of the present invention can not only have the performances such as the cohesiveness of excellence, waterproof, cracking resistance the engineering time, and can have adjustable function the engineering time.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of wet-mixing waterproof mortar and preparation method thereof.
Background technology
Waterproof mortar is a kind of rigidity water-proofing material, by improving the density of mortar and improving crack resistance to reach waterproof
Impervious purpose, at present so that waterproof polymer mortar is dry mixed, cost is of a relatively high.Wet mixing mortar have speed of application fast,
The advantages such as quality is easily guaranteed that, the popularization of environmental protection construction, several functions, beneficially building new technique and Modern Construction technology, symbol
Close China's economic development and construction industry development trend, a kind of New Building Materials that Ye Shi China currently widelys popularize.Grind
Make a kind of key propertys such as the workability of wet mixing mortar, toughness that both had, possess again the merits such as the density of excellence, water-proofing anticracking
The wet-mixing waterproof mortar of energy, to promoting that the popularization of wet mixing mortar, environmental conservation are significant.
At present, there is the report of some waterproof mortar Patents.CN104386988A discloses a kind of waterproof mortar
And preparation method thereof, this mortar is mainly by adding inorganic material and the Methyl cellulose such as superfine alumina silicate, pyrophillite, titanium dioxide
The organic powder materials such as element, redispersable latex powder improve workability and the water proofing property of mortar, but this mortar preparation section
Complexity, relatively costly, it is difficult to large-scale promotion and application.CN103553509 A discloses what a kind of applicable high humidity environment used
Waterproof mortar, this mortar dispersibles formula latex powder by interpolation, waterproofing agent, economization agent improve the density of mortar, crack resistance,
To reach water proof anti-seepage requirement.Due to preparation is that waterproof mortar is dry mixed, then require that all of raw material is powder body, sand,
The raw materials such as Gypsum Fibrosum need to dry, and consume energy bigger.
Summary of the invention
It is an object of the invention to overcome prior art defect, it is provided that a kind of wet-mixing waterproof mortar.
Another object of the present invention is to provide the preparation method of above-mentioned wet-mixing waterproof mortar.
The concrete technical scheme of the present invention is as follows:
A kind of wet-mixing waterproof mortar, is 200～350:0～150:1300:200～the water of 250:5:5～10 by weight ratio
Mud, agstone, modulus of fineness are sand, water, water repellent component and the workability regulation component composition of 2.1～2.5, wherein:
Water repellent component is by using alkyl quaternary amine salt to carry out the cationic chloroprene latex of emulsion polymerization and waterborne organic silicon is waterproof
Agent is formed by the weight ratio of 60～80:20～40；
Workability regulation component by cellulose ether, polycarboxylate water-reducer, slump retaining agent, retarder, defoamer and water by 0.5～
The weight ratio composition of 2:1～2:1～5:0.5～2:0.5～1.0:100, polycarboxylate water-reducer is by acrylic acid and the first polyethers list
System becomes, and this first polyether monomer is allyl alcohol polyethenoxy ether, isopentenol polyoxyethylene ether and methacrylic polyoxy second
At least one of alkene ether, slump retaining agent is made up of acrylic acid, methoxy poly (ethylene glycol) ether and the second polyether monomer, this second polyethers list
Body is at least one in allyl alcohol polyethenoxy ether, isopentenol polyoxyethylene ether and methyl allyl polyoxyethylene ether.
In a preferred embodiment of the invention, described cement is No. 42.5 Portland cements of PO.
In a preferred embodiment of the invention, described sand is river sand and/or washed-out sand.
In a preferred embodiment of the invention, described cellulose ether is methyl cellulose ether, hydroxypropyl methyl fibre
At least one of dimension element ether, hydroxyethyl ether cellulose and TYLOSE 30000.
In a preferred embodiment of the invention, described retarder is maltodextrin and/or sucrose.
In a preferred embodiment of the invention, described water is distilled water.
The preparation method of a kind of above-mentioned wet-mixing waterproof mortar, comprises the steps:
(1) each component is weighed in proportion；
(2) cationic chloroprene latex, waterproofing agent of organosilicon are mixed, stir and stand 0.5～1.5h, i.e.
Obtain described water repellent component；
(3) cellulose ether is slowly added to distilled water, adds polycarboxylate water-reducer, slump retaining agent, retarder and disappear
Infusion, stirs and stands 0.5～1.5h, obtains described workability regulation component；
(4) by cement, agstone and sand mixing and stirring, distilled water, above-mentioned workability regulation component are added
And water repellent component, after stirring 150～230s, obtain described wet-mixing waterproof mortar.
In a preferred embodiment of the invention, the mixing time in described step (4) is 180s.
The invention has the beneficial effects as follows:
1, the wet-mixing waterproof mortar of the present invention can not only have the performances such as the cohesiveness of excellence, waterproof, cracking resistance the engineering time,
And can have adjustable function the engineering time.
2, the wet-mixing waterproof mortar of the present invention employs agstone as inserts, not only increases the workability of mortar
With density, reduce mortar production cost, also provide a good approach for the recycling of agstone waste material.
Detailed description of the invention
Below by way of detailed description of the invention technical scheme it is further detailed and describes.
Embodiment 1
(1) preparation of water repellent component: component by weight is by 80 parts of cationic chloroprene latexs, 20 parts of waterproofing agent of organosilicon
Mix, stir and stand 1h, i.e. prepare water repellent component；
(2) workability regulation component preparation: component by weight 1 part of hydroxypropylcelluloether ether is slowly added to
In 100 parts of distilled water, add 2 parts of polycarboxylate water-reducers (being made up of acrylic acid and allyl alcohol polyethenoxy ether), 5 parts of slump retaining agents
(being made up with isopentenol polyoxyethylene ether of acrylic acid, methoxy poly (ethylene glycol) ether), 5 parts of maltodextrins, 0.1 part of defoamer
Polyoxyethylene polyoxy propanol amidogen ether, stirs and stands 1h, i.e. prepares workability regulation component；
(3) preparation of wet-mixing waterproof mortar: weigh the PO 42.5 that weight ratio is 200:150:1300:210:5:8 common
Fluvial sand, distilled water, water repellent component and workability that agstone that portland cement, fineness are 12.0, modulus of fineness are 2.3 are adjusted
Joint component.By load weighted cement, stone powder, sand stirring 30s mixing, add distilled water, workability regulation component and waterproof
Component, i.e. prepares wet-mixing waterproof mortar S1 after stirring 180s.
Embodiment 2
(1) preparation of water repellent component: component by weight is by 70 parts of cationic chloroprene latexs, 30 parts of waterproofing agent of organosilicon
Mix, stir and stand 1h, i.e. prepare water repellent component；
(2) preparation of workability regulation component: 1 part of methyl cellulose ether is slowly added to 100 by component by weight
In part distilled water, add 5 parts of polycarboxylate water-reducers (being made up of acrylic acid) with methyl allyl polyoxyethylene ether, 2 parts of guarantors are collapsed
Agent (being made up with allyl alcohol polyethenoxy ether of acrylic acid, methoxy poly (ethylene glycol) ether), 4 parts of maltodextrins, 0.05 part of froth breaking
Agent polyoxyethylene polyoxypropylene tetramethylolmethane ether, stirs and stands 1h, i.e. prepares workability regulation component；
(3) preparation of wet-mixing waterproof mortar: weigh the PO 42.5 that weight ratio is 250:100:1300:220:5:10 general
Washed-out sand that agstone that logical portland cement, fineness are 14.0, modulus of fineness are 2.5, distilled water, water repellent component and and easily
Property regulation component.By load weighted cement, stone powder, sand stirring 30s mixing, add distilled water, workability regulation component and
Water repellent component, i.e. prepares wet-mixing waterproof mortar S2 after stirring 180s.
Embodiment 3
(1) preparation of water repellent component: component by weight is by 60 parts of cationic chloroprene latexs, 40 parts of waterproofing agent of organosilicon
Mix, stir and stand 1h, i.e. prepare water repellent component；
(2) workability regulation component preparation: component by weight 0.5 part of hydroxyethyl ether cellulose is slowly added to
In 100 parts of distilled water, add 4 parts of polycarboxylate water-reducers (being made up of acrylic acid and allyl alcohol polyethenoxy ether), 3 parts of slump retaining agents
(being made up with methyl allyl polyoxyethylene ether of acrylic acid, methoxy poly (ethylene glycol) ether), 2 parts of sucrose, 0.1 part of defoamer polyoxy
Propylene ethylene oxide glycerin ether, stirs and stands 1h, i.e. prepares workability regulation component；
(3) preparation of wet-mixing waterproof mortar: weigh the PO 42.5 that weight ratio is 300:50:1300:230:5:8 common
Fluvial sand, distilled water, water repellent component and workability that agstone that portland cement, fineness are 15.0, modulus of fineness are 2.5 are adjusted
Joint component.By load weighted cement, stone powder, sand stirring 30s mixing, add distilled water, workability regulation component and waterproof
Component, i.e. prepares wet-mixing waterproof mortar S3 after stirring 180s.
Embodiment 4
(1) preparation of water repellent component: component by weight is by 50 parts of cationic chloroprene latexs, 50 parts of waterproofing agent of organosilicon
Mix, stir and stand 1h, i.e. prepare water repellent component；
(2) workability regulation component preparation: component by weight 0.5 part of hydroxypropylcelluloether ether is slowly added to
In 100 parts of distilled water, add 5 parts of polycarboxylate water-reducers (being made up of acrylic acid and allyl alcohol polyethenoxy ether), 1 part of slump retaining agent
(being made up with isopentenol polyoxyethylene ether of acrylic acid, methoxy poly (ethylene glycol) ether), 4 parts of sucrose, 0.1 part of defoamer polyoxy second
Alkene polyoxy propanol amidogen ether, stirs and stands 1h, i.e. prepares workability regulation component；
(3) preparation of wet-mixing waterproof mortar: weigh the PO 42.5 that weight ratio is 200:150:1300:200:5:10 general
Washed-out sand that agstone that logical portland cement, fineness are 10.0, modulus of fineness are 2.2, distilled water, water repellent component and and easily
Property regulation component.By load weighted cement, stone powder, sand stirring 30s mixing, add distilled water, workability regulation component and
Water repellent component, i.e. prepares wet-mixing waterproof mortar S4 after stirring 180s.
Embodiment 5
(1) preparation of water repellent component: component by weight is by 50 parts of cationic chloroprene latexs, 50 parts of waterproofing agent of organosilicon
Mix, stir and stand 1h, i.e. prepare water repellent component；
(2) preparation of workability regulation component: component by weight is by 1 part of hydroxypropylcelluloether ether and 1 part of ethoxy
Cellulose ether is slowly added to 100 parts of distilled water, adds 2 parts of polycarboxylate water-reducers (by acrylic acid and 1-propenol-3 polyoxy second
Alkene ether is made), 4 parts of slump retaining agents (being made up with isopentenol polyoxyethylene ether of acrylic acid, methoxy poly (ethylene glycol) ether), 2 portions of wheats
Bud talks dextrin, 2 parts of sucrose, 0.05 part of defoamer polyoxyethylene polyoxypropylene tetramethylolmethane ether, stirs and stands 1h, i.e. making
Obtain workability regulation component；
(3) preparation of wet-mixing waterproof mortar: weigh No. 42.5 common silicic acid of PO that weight ratio is 350:1300:230:5:5
Salt cement, modulus of fineness are fluvial sand, distilled water, water repellent component and the workability regulation component of 2.4.By load weighted cement, stone
The stirring 30s mixing of powder, sand, adds distilled water, workability regulation component and water repellent component, i.e. prepares wet-mixing after stirring 180s
Waterproof mortar S5.
Embodiment 6
The related performance indicators of wet mixing mortar is with reference to GB/T25181-2010 " premixing mortar ".The denseness of wet mixing mortar, guarantor
The general physics mechanics performance tests such as water rate, 28d comprcssive strength, 14d tensile bond strength, 28d shrinkage factor, 28d impermeability pressure
All carry out with reference to JGJ70-2009 " building mortar basic performance tests method ".
Wet-mixing waterproof mortar S1～S5 in above-described embodiment carries out performance test, and wet-mixing waterproof mortar performance indications are joined
Examining table 1, the performance test results of the wet-mixing waterproof mortar of embodiment 1～5 preparation is shown in Table 2.
Table 1 wet mixing mortar performance reference index
The impact on wet mixing mortar performance of the table 3 water conservation plasticizer
Note: can be the time that mortar keeps its workability the engineering time.
From table 3 experimental result it can be seen that the wet-mixing waterproof mortar of the present invention not only has good water-retaining property and thickness
Degree, and 14d tensile bond strength, 28d shrinkage factor all meet in GB/T25181-2010 " premixing mortar " waterproof about wet-mixing
Mortar technology requirement.28d seepage-resistant grade has reached P8, illustrates that the wet-mixing waterproof mortar of this invention has the water proof anti-seepage merit of excellence
Energy.Mortar can be 8～36h the engineering time, illustrate this invention wet-mixing waterproof mortar can the engineering time can be large range of
It is adjusted in time.
Those of ordinary skill in the art understand, and when the constituent content of the present invention changes in following ranges, still are able to obtain
Same as the previously described embodiments or close technique effect, still falls within protection scope of the present invention:
A kind of wet-mixing waterproof mortar, is 200～350:0～150:1300:200～the water of 250:5:5～10 by weight ratio
Mud, agstone, modulus of fineness are sand, distilled water, water repellent component and the workability regulation component composition of 2.1～2.5, its
In:
Water repellent component is by using alkyl quaternary amine salt to carry out the cationic chloroprene latex of emulsion polymerization and waterborne organic silicon is waterproof
Agent is formed by the weight ratio of 60～80:20～40；
Workability regulation component by cellulose ether, polycarboxylate water-reducer, slump retaining agent, retarder, defoamer and water by 0.5～
The weight ratio composition of 2:1～2:1～5:0.5～2:0.5～1.0:100, polycarboxylate water-reducer is by acrylic acid and the first polyethers list
System becomes, and this first polyether monomer is allyl alcohol polyethenoxy ether, isopentenol polyoxyethylene ether and methacrylic polyoxy second
At least one of alkene ether, slump retaining agent is made up of acrylic acid, methoxy poly (ethylene glycol) ether and the second polyether monomer, this second polyethers list
Body is at least one in allyl alcohol polyethenoxy ether, isopentenol polyoxyethylene ether and methyl allyl polyoxyethylene ether.
Described sand is river sand and/or washed-out sand.Described cellulose ether is methyl cellulose ether, hydroxypropyl methyl cellulose
At least one of ether, hydroxyethyl ether cellulose and TYLOSE 30000.Described retarder is maltodextrin and/or sucrose.
The above, only presently preferred embodiments of the present invention, therefore the scope that the present invention implements can not be limited according to this, i.e.
The equivalence change made according to the scope of the claims of the present invention and description with modify, all should still belong in the range of the present invention contains.
Claims (8)
1. a wet-mixing waterproof mortar, it is characterised in that: it is 200～350:0～150:1300:200～250:5:5 by weight ratio
～sand, water, water repellent component and the workability regulation component composition that the cement of 10, agstone, modulus of fineness are 2.1～2.5,
Wherein:
Water repellent component by use alkyl quaternary amine salt carry out the cationic chloroprene latex of emulsion polymerization and water-based organic silicon waterproof agent by
The weight ratio composition of 60～80:20～40；
Workability regulation component is pressed 0.5～2:1 by cellulose ether, polycarboxylate water-reducer, slump retaining agent, retarder, defoamer and water
～the weight ratio composition of 2:1～5:0.5～2:0.5～1.0:100, polycarboxylate water-reducer is by acrylic acid and the first polyether monomer system
Becoming, this first polyether monomer is allyl alcohol polyethenoxy ether, isopentenol polyoxyethylene ether and methyl allyl polyoxyethylene ether
At least one, slump retaining agent is made up of acrylic acid, methoxy poly (ethylene glycol) ether and the second polyether monomer, and this second polyether monomer is
At least one in allyl alcohol polyethenoxy ether, isopentenol polyoxyethylene ether and methyl allyl polyoxyethylene ether.
2. a kind of wet-mixing waterproof mortar as claimed in claim 1, it is characterised in that: described cement is No. 42.5 ordinary silicon of PO
Acid salt cement.
3. a kind of wet-mixing waterproof mortar as claimed in claim 1, it is characterised in that: described sand is river sand and/or washed-out sand.
4. a kind of wet-mixing waterproof mortar as claimed in claim 1, it is characterised in that: described cellulose ether is methylcellulose
At least one of ether, hydroxypropyl methyl cellulose ether, hydroxyethyl ether cellulose and TYLOSE 30000.
5. wet-mixing waterproof mortar as claimed in claim 1 a kind of, it is characterised in that: described retarder be maltodextrin and/
Or sucrose.
6. a kind of wet-mixing waterproof mortar as claimed in claim 1, it is characterised in that: described water is distilled water.
7. the preparation method of wet-mixing waterproof mortar described in any claim in a claim 1 to 6, it is characterised in that:
Comprise the steps:
(1) each component is weighed in proportion；
(2) cationic chloroprene latex, waterproofing agent of organosilicon are mixed, stir and stand 0.5～1.5h, obtaining institute
State water repellent component；
(3) cellulose ether is slowly added to distilled water, adds polycarboxylate water-reducer, slump retaining agent, retarder and defoamer,
Stir and stand 0.5～1.5h, obtaining described workability regulation component；
(4) by cement, agstone and sand mixing and stirring, add distilled water, above-mentioned workability regulation component and prevent
Water component, after stirring 150～230s, obtains described wet-mixing waterproof mortar.
8. preparation method as claimed in claim 7, it is characterised in that: the mixing time in described step (4) is 180s.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686301A (en) * | 2017-08-04 | 2018-02-13 | 吉林鹏霖混凝土有限公司 | A kind of wet mixing mortar and preparation method thereof |
| CN107986665A (en) * | 2017-12-01 | 2018-05-04 | 河南科之杰新材料有限公司 | A kind of winter is with type wet mixing mortar open hour conditioning agent and preparation method thereof |
| CN109534732A (en) * | 2018-12-11 | 2019-03-29 | 中国二冶集团有限公司 | Wet mixing mortar |
| CN110342879A (en) * | 2019-07-18 | 2019-10-18 | 深圳工建科技有限公司 | A kind of waterproof mortar and preparation method thereof |
| CN110606688A (en) * | 2019-09-04 | 2019-12-24 | 佛山市古艾环保建材有限公司 | Novel cement mortar improvement construction auxiliary material |
| CN111847991A (en) * | 2019-04-29 | 2020-10-30 | 贵州建工安顺建筑工程有限公司 | Waterproof bonding mortar for exterior wall tiles |
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| CN104556866A (en) * | 2014-12-23 | 2015-04-29 | 中建商品混凝土有限公司 | Tailing powder wet-mixed plastering mortar |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686301A (en) * | 2017-08-04 | 2018-02-13 | 吉林鹏霖混凝土有限公司 | A kind of wet mixing mortar and preparation method thereof |
| CN107686301B (en) * | 2017-08-04 | 2020-06-26 | 吉林鹏霖混凝土有限公司 | Wet-mixed mortar and preparation method thereof |
| CN107986665A (en) * | 2017-12-01 | 2018-05-04 | 河南科之杰新材料有限公司 | A kind of winter is with type wet mixing mortar open hour conditioning agent and preparation method thereof |
| CN109534732A (en) * | 2018-12-11 | 2019-03-29 | 中国二冶集团有限公司 | Wet mixing mortar |
| CN111847991A (en) * | 2019-04-29 | 2020-10-30 | 贵州建工安顺建筑工程有限公司 | Waterproof bonding mortar for exterior wall tiles |
| CN110342879A (en) * | 2019-07-18 | 2019-10-18 | 深圳工建科技有限公司 | A kind of waterproof mortar and preparation method thereof |
| CN110606688A (en) * | 2019-09-04 | 2019-12-24 | 佛山市古艾环保建材有限公司 | Novel cement mortar improvement construction auxiliary material |
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