CN107673687A - A kind of flexible water mortar and its preparation method and application - Google Patents
A kind of flexible water mortar and its preparation method and application Download PDFInfo
- Publication number
- CN107673687A CN107673687A CN201610626434.1A CN201610626434A CN107673687A CN 107673687 A CN107673687 A CN 107673687A CN 201610626434 A CN201610626434 A CN 201610626434A CN 107673687 A CN107673687 A CN 107673687A
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- Prior art keywords
- component
- flexible water
- water
- mortar
- water mortar
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation 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
- 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
Abstract
The invention discloses a kind of flexible water mortar and its preparation method and application, the flexible water mortar is 1 by mass ratio:2~4 component A and B component compounding forms, wherein：The component A includes mass ratio for 50~80：0.3~0.8：0.1~0.2：0.1~0.3：20~50 water, water reducer, preservative, defoamer and emulsion；The B component includes mass ratio for 20~40：60~80：0.1~0.4：0.5~1：0.1~0.3 cement, filler, cellulose ether, thixotropic lubricant and hydrophober.The preparation method of the flexible water mortar is simple and easy；Products obtained therefrom pliability and good waterproof performance, modest viscosity and thixotropy and water-retaining property are good, and surface exquisiteness is fine and close after it is constructed, it is not easy to crack and water leakage, play drum and local appearance, i.e., the workability of the flexible water mortar and decorative effect are obtained for raising.
Description
Technical field
The present invention relates to a kind of construction material, more particularly to a kind of flexible water mortar and its preparation method and application.
Background technology
EPS mouldings are that it is with computer surface trimming in recent years in a kind of emerging building outer wall decorative material in China
Fire-retardant B1 polystyrenes cystosepiment into various moulding is core, and passes through the materials such as coated polymer mortar after outer auxiliary grid cloth
The method of material is made, and is the decoration element for building Facade form.The products application is when on construction wall at present, greatly
The problem of part using common external thermal insulation carries out joint treatment with decorative mortar or putty, therefore occurrence number is most be
Seam crossing cracking, infiltration, a drum between seam crossing or EPS mouldings and wall between EPS mouldings, and seam
Place generally seems higher compared with other places, and flatness and straight degree are poor, so as to influence final decorative effect.Occur
The main reason for problem above be select joint treatment mortar and construction technology it is improper.
Since 2009, the application amount of A levels fire-blocking belt gradually increases, according to GB 50016-2015《Architectural design
Fire safety rules》Requirement, the width of fire-blocking belt is 300mm, thickness of the thickness with main body heat-insulation layer.According to JGJ 289-
2012《External wall external thermal insulation fire-blocking belt technical regulation》Regulation, fire-blocking belt position should be carried out at local enhancement
Reason, i.e., should carry out anticracking grout composite gridding cloth in fire-blocking belt and its up and down at least on 100mm width.Most of construction
Processing of the unit for this position is also only to carry out reinforcement processing with the decorative mortar of wall use, but up to the present,
Majority has used the outer heat preservation system of fire-blocking belt to occur the problems such as prominent, depression, cracking, infiltration at the position, causes this
The most important reason of a little problems is still local strengthening position processing mortar and construction technology is improper.
The content of the invention
The defects of in order to overcome prior art, the present invention increase to EPS lines joint treatment and fire-blocking belt part cracking resistance
Mortar employed in the reason of strength has made intensive studies and provides a kind of new flexible water mortar and preparation method thereof.Should
The preparation method of flexible water mortar is simple and easy；Gained flexible water mortar pliability and good waterproof performance, modest viscosity and touch
Denaturation and water-retaining property are good, and surface exquisiteness is fine and close after it is constructed, it is not easy to crack and water leakage, play drum and local appearance, i.e. the flexibility is anti-
The workability and decorative effect of water sand slurry are obtained for raising.
Technical scheme provided by the invention is as follows：
A kind of flexible water mortar, it is 1 by mass ratio:2~4 component A and B component compounding forms, wherein：The A groups
Dividing includes mass ratio for 50~80：0.3~0.8：0.1~0.2：0.1~0.3：20~50 water, water reducer, preservative, disappear
Infusion and emulsion；The B component includes mass ratio for 20~40：60~80：0.1~0.4：0.5~1：0.1~0.3 water
Mud, filler, cellulose ether, thixotropic lubricant and hydrophober.
In another implementation of above-mentioned flexible water mortar, the emulsion is viscosity 500-1500mPa.s bullet
Property water-proof acrylic acid emulsion, preferably elastic water-proof latex of copolymer in cinnamic acrylic ester (abbreviation styrene-acrylic emulsion), phenylpropyl alcohol breast
Liquid is one kind of acrylic emulsion, such as：BASF AG's viscosity is 800-1200mPa.s elastic water-proof acrylic emulsion
Acronal S400F.This viscosity number is obtained under conditions of 23 DEG C, using the progress viscosity measurement of NDJ-1 types rotation viscometer
, the 3# rotors of NDJ-1 type rotation viscometers have particularly been used, have been glued under conditions of rotor speed is 30rpm
Degree measurement obtains.
In another implementation of above-mentioned flexible water mortar, it is 5~20 that the filler, which includes mass ratio,：25~
45：30~60 talcum powder, powdered whiting and silica flour；Preferably, the fineness of talcum powder, powdered whiting and silica flour is equal
For 325 mesh.Applicant makes it when carrying out EPS moulding joint treatments by the selection to three kinds of raw material proportionings and mesh number
It can be good at realizing depth of plastering 0.5-1mm construction requirement when strengthening and handle with fire-blocking belt part cracking resistance；Work as mesh number
It is too small, when fineness is too big, mortar exquisiteness is poor, easy appearance of plastering；When mesh number is too big, fineness is too small, cost is higher, holds
Easy to crack, i.e., the proportioning of filler each component and mesh number are that applicant makes for the flexible water mortar of specific purpose in the application
Specific selection.
In another implementation of above-mentioned flexible water mortar, the cellulose ether is viscosity 35000-
The methyl hydroxyethylcellulose ether of 45000mPa.s cellulose ether, preferably viscosity 35000-45000mPa.s, such as：He Keli
The viscosity of scholar company is 35000-43000 cellulose ether LH20M.This viscosity number is under conditions of 20 DEG C, using NDJ-1
Type rotation viscometer carries out viscosity measurement acquisition, the 4# rotors of NDJ-1 type rotation viscometers has particularly been used, in rotor
Rotating speed carries out viscosity measurement acquisition under conditions of being 12rpm.
In another implementation of above-mentioned flexible water mortar, the water reducer is melamine class water reducer, excellent
Elect sulfonated melamine class water reducer as, such as：The melamine class water reducer MELMENT F10 of BASF AG.
In another implementation of above-mentioned flexible water mortar, the preservative is universal liquid in-can preservation
Agent.
In another implementation of above-mentioned flexible water mortar, the defoamer is mineral oil defoaming agent.
In another implementation of above-mentioned flexible water mortar, the cement is Portland cement or white silicon
Acid salt cement.
In another implementation of above-mentioned flexible water mortar, the thixotropic lubricant is to contain montmorillonite with sheet
Silicate be primary raw material thixotropic lubricant, such as：The smectites thixotropic lubricant OPTIBENT of Lockwood company
602。
In another implementation of above-mentioned flexible water mortar, the hydrophober is organic silicon hydrophober.
Present invention also offers the preparation method of above-mentioned flexible water mortar, comprise the following steps：
The preparation of component A：Each raw material of component A is weighed in proportion；Stir and formed after first mixing water and water reducer
Uniformly without pimple glue, preferably it is stirred under 600-800rpm high speed conditions；Preservative, defoamer are added simultaneously again
Stir 0.5-2 minutes, preferably 1 minute；Afterwards rotating speed is adjusted to that emulsion is added and is stirred until homogeneous after below 600rpm, it is excellent
Select 10 minutes, form the uniformly glue product without caking, produce component A；
The preparation of B component：Each raw material of B component is weighed in proportion；Successively put into cement, filler, cellulose ether, touch
Become lubricant and hydrophober and stir to form the uniformly powder product without caking, preferably stir 6 minutes, produce B component；
Component A and B component are compounded in proportion and formed, produces flexible water mortar.
It is locally anti-in EPS mouldings joint treatment and fire-blocking belt present invention also offers above-mentioned flexible water mortar
Split the application in enhancing processing.
The construction method of gained flexible water mortar of the invention is using the method for blade coating, i.e., with trowel, scraper plate or grey knife
Flexible water mortar is scratched, the main points of blade coating are real, flat, light, once criticize as far as possible and scrape completion, not come and go and scrape too much
Apply, in order to avoid there is the phenomenon of roll set.Gained flexible water mortar of the invention can meet once to scratch normal depth of plastering 0.5-
Requirement during 1mm.
Compared with prior art, the present invention has the advantages that：
Particular viscosity is selected in component A by the present invention and the acrylic emulsion splendid with cement compatibility rear stability is as master
Film forming matter is wanted, it can form continuous glued membrane when solidifying, so that mortar keeps higher pliability and water proofing property, it is not easy to
Crack and water leakage, play drum and local appearance；
The present invention selects particular viscosity, thixotropy and the excellent cellulose ether of water-retaining property in B component, and is aided with thixotroping profit
Lubrication prescription further improves product application property, makes mortar integral formula modest viscosity, thixotropy preferable；
The present invention has also carried out specific selection in B component to filler fineness, makes the flexible water mortar surface after construction
It is fine and smooth fine and close；
To sum up, the workability of flexible water mortar of the present invention and decorative effect are obtained for raising, available for EPS lines
Joint treatment and fire-blocking belt part cracking resistance enhancing processing.Use conventional adhesive mortar, decorative mortar, dry powder greasy so as to avoid
Son etc. carry out when joint treatment or local enhancement cracking resistance are handled easily caused crack and water leakage, play drum, moreover it is possible to applied after avoiding construction
Put into effect caused by Ministry of worker position is thicker, and water resistance can also be improved.
Embodiment
With reference to specific embodiment, the embodiment of the present invention is described in detail, it is to be understood that this hair
Bright protection domain is not limited by embodiment.
Water reducer used is the melamine-type water reducer MELMENT F10 of BASF AG in embodiment 1-3；Preservative
For preservative GT in the universal liquid tank of Sol company, defoamer is the mineral oil defoaming agent NXZ of extra large river chemical industry, and emulsion is
BASF AG's viscosity is 800-1200mPa.s elastic water-proof acrylic emulsion Acronal S400F, and cement is mountain aluminium cement
The Portland cement of company or the white portland cement of Zibo Yun He coloured cements factory, filler be commercially available talcum powder,
Powdered whiting, silica flour composition, cellulose ether are the viscosity 35000-43000mPa.s of Hercules company cellulose ether
LH20M, thixotropic lubricant are the smectites thixotropic lubricant OPTIBENT 602, hydrophober Yi Laitai of Lockwood company
The organic silicon hydrophober Seal80 of company.
The preparation of embodiment 1A components
According to each raw material proportioning in component A listed by table 1, component A 1, component A 2, A are prepared respectively by the following method
Component 3：Each raw material of component A is weighed in the ratio listed by table 1 first, is then turned on paint mixing device；By water and subtract
Aqua mixing after stir under 600-800rpm high speed conditions 3 minutes formation uniformly without pimple glue, then by preservative, disappear
Infusion is slowly added into and stirred 1 minute；Rotating speed is adjusted to afterwards emulsion is slowly added into stirring 10 minutes extremely after below 600rpm
Uniformly, formed uniformly without caking glue product, produce 3 parts of component As, respectively component A 1, component A 2, component A 3, discharge respectively
Packaging.
The flexible water mortar component A of table 1 prepares formula (wt%)
The preparation of the B component of embodiment 2
First each raw material of B component is weighed in proportion, successively input cement 25kg, 325 mesh talcum powder 10kg, 325 mesh
Powdered whiting 30kg, 325 mesh silica flour 34kg, cellulose ether 0.3kg, thixotropic lubricant 0.5kg, hydrophober 0.2kg；Then
Powder stirring equipment is opened, stirs and is formed within 6 minutes uniformly without caking powder product, produce B component.
The preparation of the flexible water mortar of embodiment 3
3 kinds of component As (i.e. component A 1, component A 2 and component A 3) of the gained of embodiment 1 and the gained B component of embodiment 2 are pressed
It is 1 according to mass ratio:4 ratio first weighs up component A in a reservoir, and then room temperature adds B component and mixed while stirring, stirring
Uniformly it can be used, the main performance of gained flexible water mortar refers to table 2.
The main performance of the flexible water mortar of table 2
The contrast test of embodiment 4
(1) mesh of fineness 325 of 3 kinds of raw materials of filler in embodiment 2 is replaced with into 100 mesh or 600 mesh simultaneously, other steps are complete
Flexible mortar is prepared according to embodiment 1-3 method entirely, gained mortar and the gained mortar of embodiment 3 are contrasted, as a result
As shown in table 3, it is filler mesh number used in this application to select 325 mesh, and this mesh number disclosure satisfy that applying for depth of plastering 0.5-1mm
Work requirement, when mesh number is too small, fineness is too big, mortar exquisiteness is poor, easy appearance of plastering；When mesh number is too big, fineness is too small
When, cost is higher, easy cracking.
The experiment screening of the filler different fineness of table 3
(2) emulsion is screened according to the cement stabilizing of emulsion, after being mixed by emulsion with Portland cement,
Rubber cement can be screened the engineering time not less than 1 hour；Gained rubber cement Indexs measure needs to pass through standard JC/T 1017- simultaneously
2006《Polymer emulsion for building waterproofing coatings》In two detection：A) Calcium ion stability (0.5%Cacl2Solution) 48h
Without layering, without precipitation, without flocculation；B) alkali resistance (0.1%NaOH solution) 168h festers without foaming, nothing；And use embodiment
1-3 method, only the viscosity of emulsion is changed, the performance of gained flexible water mortar is as shown in table 4：
The experiment screening of the emulsion different viscosities of table 4
(3) viscosity of cellulose ether, is only changed by the method for using embodiment 1-3, gained flexible water mortar
Performance is as shown in table 5：
The experiment screening of the cellulose ether different viscosities of table 5
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (10)
- A kind of 1. flexible water mortar, it is characterised in that by mass ratio be 1：2~4 component A and B component compounding forms, its In：The component A includes mass ratio for 50~80：0.3~0.8：0.1~0.2：0.1~0.3：20~50 water, diminishing Agent, preservative, defoamer and emulsion；The B component includes mass ratio for 20~40：60~80：0.1~0.4：0.5~1： 0.1~0.3 cement, filler, cellulose ether, thixotropic lubricant and hydrophober.
- 2. flexible water mortar according to claim 1, it is characterised in that the emulsion is viscosity 500-1500mPa.s Elastic water-proof acrylic emulsion, preferably viscosity 800-1200mPa.s elastic water-proof copolymer in cinnamic acrylic ester Emulsion.
- 3. flexible water mortar according to claim 1, it is characterised in that it is 5~20 that filler, which includes mass ratio,：25~ 45：30~60 talcum powder, powdered whiting and silica flour；Preferably, the fineness of talcum powder, powdered whiting and silica flour is equal For 325 mesh.
- 4. flexible water mortar according to claim 1, it is characterised in that the cellulose ether is viscosity 35000- The methyl hydroxyethylcellulose ether of 45000mPa.s cellulose ether, preferably viscosity 35000-45000mPa.s.
- 5. flexible water mortar according to claim 1, it is characterised in that the water reducer is melamine class diminishing Agent；Preferably sulfonated melamine class water reducer.
- 6. flexible water mortar according to claim 1, it is characterised in that the defoamer is mineral oil defoaming agent； The preservative is preservative in universal liquid tank；The cement is Portland cement or white portland cement.
- 7. flexible water mortar according to claim 1, it is characterised in that the thixotropic lubricant is smectites thixotroping Lubricant.
- 8. flexible water mortar according to claim 1, it is characterised in that the hydrophober is organic silicon hydrophober.
- 9. the preparation method of the flexible water mortar described in a kind of one of claim 1-8, it is characterised in that：Including following step Suddenly：The preparation of component A：Each raw material of component A is weighed in proportion；Stirring is formed uniform after first mixing water and water reducer Without pimple glue, preferably it is stirred under 600-800rpm high speed conditions；Preservative, defoamer are added and stirred again 0.5-2 minutes, preferably 1 minute；Afterwards rotating speed is adjusted to that emulsion is added and is stirred until homogeneous after below 600rpm, preferably 10 Minute, the uniformly glue product without caking is formed, produces component A；The preparation of B component：Each raw material of B component is weighed in proportion；Cement, filler, cellulose ether, thixotroping profit are put into successively Lubrication prescription and hydrophober simultaneously stir to form the uniformly powder product without caking, preferably stir 6 minutes, produce B component；Component A and B component are compounded in proportion and formed, produces flexible water mortar.
- 10. the flexible water mortar described in a kind of one of claim 1-8 is in EPS mouldings joint treatment and fire-blocking belt Application in local cracking resistance enhancing processing.
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| CN201610626434.1A CN107673687B (en) | 2016-08-02 | 2016-08-02 | Flexible waterproof mortar and preparation method and application thereof |
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| CN201610626434.1A CN107673687B (en) | 2016-08-02 | 2016-08-02 | Flexible waterproof mortar and preparation method and application thereof |
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Cited By (3)
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| CN108643369A (en) * | 2018-04-26 | 2018-10-12 | 江苏尼高科技有限公司 | Flexible waterproof sheet is modified vertical hair rock cotton board and its manufacture craft |
| CN110330306A (en) * | 2019-07-11 | 2019-10-15 | 河南省路嘉路桥股份有限公司 | A kind of waterproof and anticorrosion heat insulating work material and preparation method thereof |
| CN114644494A (en) * | 2022-04-22 | 2022-06-21 | 北京悦筑新天节能科技有限公司 | Flexible light leveling mortar and preparation method and application thereof |
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| CN114644494A (en) * | 2022-04-22 | 2022-06-21 | 北京悦筑新天节能科技有限公司 | Flexible light leveling mortar and preparation method and application thereof |
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| CN107673687B (en) | 2020-07-21 |
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