CN106431121B - A kind of dry powder exterior wall facing mortar and preparation method thereof - Google Patents
A kind of dry powder exterior wall facing mortar and preparation method thereof Download PDFInfo
- Publication number
- CN106431121B CN106431121B CN201610887811.7A CN201610887811A CN106431121B CN 106431121 B CN106431121 B CN 106431121B CN 201610887811 A CN201610887811 A CN 201610887811A CN 106431121 B CN106431121 B CN 106431121B
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- Prior art keywords
- exterior wall
- wall facing
- dry powder
- facing mortar
- powder
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/2023—Resistance against alkali-aggregate reaction
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of dry powder exterior wall facing mortar and preparation method thereof, the mass percent which forms and its respectively form is：Cement, 3-10%；Reclaimed sand, 45-60%；Slag powders, 15-20%；Slag micro powder, 5-10%；Desulfurized gypsum, 2-5%；Second class powered coal ash, 10-15%；Latex powder, 1--3%；Water-retaining agent, 0.3--0.8%；Inorganic pigment, 0.5--1%；The cement is that 42.5 grades of Pu lead to portland cement, and preparation method is：It is weighed according to the composition and proportion of above-mentioned dry powder exterior wall facing mortar, is added separately in mixing machine, stirs evenly, can be prepared by a kind of dry powder exterior wall facing mortar.This method can be prepared into dry powder exterior wall facing mortar using various industrial solid castoffs, which not only has the advantages that cracking resistance, stain resistance are good, uniform color is lasting, but also has alkali burnout resistance.
Description
Technical field
The present invention relates to a kind of using solid waste as dry powder exterior wall facing mortar of raw material and preparation method thereof, belongs to solid
Body comprehensive utilization of waste and New Building Materials technical field.
Background technique
Decoration mortar refers to the mortar as building facing, mainly decoration and protective effect is played to building, to comply with
The development trend of building energy conservation and the requirement for meeting safety, highly-safe, decorative effect enriches, has excellent performance, with outside exterior wall
There is heat-insulation system the architectural coating mortar of good matching to be increasingly becoming external wall decorative material.Existing wall facing sand
It starches as a kind of novel finishing material, is being promoted the use of.However, since facing mortar is usually cement-based material,
Migration, which occurs, for water or external water inside it leads to water soluble alkali or salts out mortar surface, and crystal as there is salt efflorescence makes
It obtains the objects such as the coating of decoration or paint originally to be jacked up or peeled off, can also generate color difference, seriously affect the dress of building exterior wall face
Effect is adornd, and the wall face accumulation of salt in the surface soil can occur repeatedly with the variation of environmental condition, it is difficult to eradicate.What building facing occurred
The accumulation of salt in the surface soil and color difference are two hang-ups encountered in its popularization and application.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of dry powder exterior wall facing mortar and its
Preparation method, this method can be prepared into dry powder exterior wall facing mortar using various industrial solid castoffs, which not only has
Have the advantages that cracking resistance, stain resistance are good, uniform color is lasting, and there is alkali burnout resistance.
To achieve the above object, the invention adopts the following technical scheme:
A kind of dry powder exterior wall facing mortar of the invention, which is characterized in that the quality hundred that the mortar is formed and its respectively formed
Point ratio is：
Cement 3-10%
Reclaimed sand 45-60%
Slag powders 15-20%
Slag micro powder 5-10%
Desulfurized gypsum 2-5%
Second class powered coal ash 10-15%
Latex powder 1--3%
Water-retaining agent 0.3--0.8%
Inorganic pigment 0.5--1%
The cement is that 42.5 grades of Pu lead to portland cement.
The reclaimed sand is particle of the discarded concrete after smashing and grinding, and the fineness of particle is 40~80 mesh.
The desulfurized gypsum is the beta-type semi-hydrated gypsum after flue gas desulfurization, wherein beta-type semi-hydrated gypsum（β-CaSO4·1/2
H2O）>=85%.
The flyash is second class powered coal ash.
The latex powder is styrenic-acrylic latex powder, Acrylic emulsion powder, vinyl acetate-ethylene latex powder
One or both of.
The water-retaining agent is one of hydroxyethyl cellulose, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose
Or two kinds.
The preparation method of a kind of above-mentioned exterior wall colored finish mortar of the invention, according to above-mentioned dry powder exterior wall facing mortar
Composition and proportion weigh, and are added separately in mixing machine, stir evenly, can be prepared by a kind of dry powder exterior wall facing mortar.
A kind of preparation method of above-mentioned exterior wall colored finish mortar of the invention, which is characterized in that the mortar by cement, again
Greensand, slag powders, slag micro powder, desulfurized gypsum, flyash, styrenic-acrylic latex powder, hydroxyethyl cellulose, inorganic face
Material composition；It is weighed according to the mass percent that above-mentioned dry powder exterior wall facing mortar forms：Cement, 3-10%；Reclaimed sand, 45-
60%；Slag powders, 15-20%；Slag micro powder, 5-10%；Desulfurized gypsum, 2-5%；Second class powered coal ash, 10-15%；Latex powder,
1--3%；Water-retaining agent, 0.3--0.8%；Inorganic pigment, 0.5--1%；It is added sequentially in mixing machine, stirs evenly, can be prepared by
A kind of dry powder exterior wall facing mortar.Dry powder exterior wall facing mortar of the present invention has following features：
1, dry powder exterior wall facing mortar of the invention be added suitable water can mechanically spraying, facing has cracking resistance, resistance to
It waits, the advantages that stain resistance is good, uniform color is lasting and facing will not generate the accumulation of salt in the surface soil, improves the decorative effect of facing mortar,
It can be widely applied to the building fields such as decoration of exterior wall.
2, dry powder exterior wall facing mortar of the present invention, raw material using discarded concrete, slag powders, slag micro powder,
Flyash various solid wastes, have saved resource, avoid environmental pollution, also reduce preparation cost.
3, dry powder exterior wall facing mortar produced by the present invention, long shelf-life, convenient transportation, when use, are added at the construction field (site)
Suitable water can mechanically spraying.
Specific embodiment
After now the specific embodiment of invention is described in.
A kind of preparation method of dry powder exterior wall facing mortar of the invention is to prepare 100kg dry powder exterior wall facing mortar
Example.
Embodiment 1
Cement 4kg, reclaimed sand 50kg, slag powders 18kg, slag micro powder 8kg, desulfurized gypsum 2kg, flyash are weighed respectively
15kg, styrenic-acrylic latex powder 2kg, hydroxyethyl cellulose 0.5kg, pigment 0.5kg.It is added sequentially in blender, passes through
It stirs, can be prepared by a kind of dry powder exterior wall facing mortar, wherein the slag powders are to meet GB/T18046-
The slag powders of 2008 national standards：Density（g/cm3）>=2.8, specific surface area（m2/kg）>=400,7 days strength activity index >=
75%, 28 days strength activity index >=95%；The slag micro powder is to meet converter as defined in YB/TO22 standard or electric furnace slag
Powder, partial size≤30 μm, specific surface area >=600 ㎡/㎏；The flyash is second level, meets GB/T1596-2005 national standard
For the flyash in cement and concrete, wherein fineness（45 μm of square hole screens tail over）≤20%；Loss on ignition≤8%；Water demand ratio
≤105%；Stability（Lei Shi method）≤5.0mm.
The dry powder exterior wall facing mortar prepared in the present embodiment 1 is constructed in wall face using mechanically spraying mode.To decorations
Facing sand slurry is detected, and every technical performance reaches the standard of JC/T1024-2007 wall facing mortar, is better than existing exterior wall
Facing mortar, Technique performance parameter are as follows：Compression strength is 4.7MPa；Tensile bond strength is 0.75MPa；Alkali burnout resistance：
The no accumulation of salt in the surface soil does not lose powder.
Embodiment 2
The preparation of dry powder exterior wall facing mortar, for preparing 100kg dry powder exterior wall facing mortar.
Cement 6kg, reclaimed sand 56kg, slag powders 15kg, slag micro powder 6kg, desulfurized gypsum 3kg, flyash are weighed respectively
11kg, vinyl acetate-ethylene latex powder 2kg, hydroxypropyl methyl cellulose 0.5kg, pigment 0.5kg.It is added sequentially to blender
In, it is stirred, can be prepared by a kind of dry powder exterior wall facing mortar, wherein the slag powders are to meet GB/
The slag powders of T18046-2008 national standard：Density（g/cm3）>=2.8, specific surface area（m2/kg）Intensity is living within >=400,7 days
Sex index >=75%, 28 day strength activity index >=95%；The slag micro powder be meet converter as defined in YB/TO22 standard or
Electric steel ground-slag, partial size≤30 μm, specific surface area >=600 ㎡/㎏；The flyash is second level, meets GB/T1596-2005
National standard is for the flyash in cement and concrete, wherein fineness（45 μm of square hole screens tail over）≤20%；Loss on ignition≤8%；
Water demand ratio≤105%；Stability（Lei Shi method）≤5.0mm.
The dry powder exterior wall facing mortar prepared in the present embodiment 2 is constructed in wall face using mechanically spraying mode.To decorations
Facing sand slurry is detected, and every technical performance reaches the standard of JC/T1024-2007 wall facing mortar, is better than existing exterior wall
Facing mortar, Technique performance parameter are as follows：Compression strength is 5.1MPa；Tensile bond strength is 0.9MPa；Alkali burnout resistance：Nothing
The accumulation of salt in the surface soil does not lose powder.
Claims (6)
1. a kind of dry powder exterior wall facing mortar, which is characterized in that mortar composition and its mass percent respectively formed are：
The reclaimed sand is particle of the discarded concrete after smashing and grinding, and the fineness of particle is 40~80 mesh；
The slag powders are to meet the slag powders of GB/T18046-2008 national standard：Density (g/cm3) >=2.8, specific surface
Product (㎡/kg) >=400,7 days strength activity index >=75%, 28 day strength activity index >=95%；
The slag micro powder is to meet converter as defined in YB/TO22 standard or electric steel ground-slag, partial size≤30 μm, specific surface area
≥600㎡/㎏；
The flyash is second class powered coal ash, meets GB/T1596-2005 national standard for the powder in cement and concrete
Coal ash, wherein fineness (45 μm of square hole screens tail over)≤20%；Loss on ignition≤8%；Water demand ratio≤105%；Stability (Lei Shi
Method)≤5.0mm.
2. a kind of dry powder exterior wall facing mortar according to claim l, which is characterized in that the cement is 42.5 grades of Pu
Logical portland cement.
3. a kind of dry powder exterior wall facing mortar according to claim l, which is characterized in that the desulfurized gypsum is flue gas
Beta-type semi-hydrated gypsum after desulfurization, wherein beta-type semi-hydrated gypsum (β-CaSO41/2H2O) >=85%.
4. a kind of dry powder exterior wall facing mortar according to claim l, which is characterized in that the latex powder is benzene second
One or both of alkene-acrylic latex powder, Acrylic emulsion powder, vinyl acetate-ethylene latex powder.
5. a kind of dry powder exterior wall facing mortar according to claim l, which is characterized in that the water-retaining agent is ethoxy
One or both of cellulose, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose.
6. a kind of preparation method of dry powder exterior wall facing mortar a kind of according to claim l, which is characterized in that the mortar
By cement, reclaimed sand, slag powders, slag micro powder, desulfurized gypsum, flyash, styrenic-acrylic latex powder, hydroxy ethyl fiber
Element, inorganic pigment composition；It is weighed according to the mass percent that above-mentioned dry powder exterior wall facing mortar forms：Cement, 3-10%；Again
Greensand, 45-60%；Slag powders, 15-20%；Slag micro powder, 5-10%；Desulfurized gypsum, 2-5%；Second class powered coal ash, 10-
15%；Latex powder, 1--3%；Water-retaining agent, 0.3--0.8%；Inorganic pigment, 0.5--1%；It is added sequentially in mixing machine, stirs
It mixes uniformly, can be prepared by a kind of dry powder exterior wall facing mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887811.7A CN106431121B (en) | 2016-10-12 | 2016-10-12 | A kind of dry powder exterior wall facing mortar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887811.7A CN106431121B (en) | 2016-10-12 | 2016-10-12 | A kind of dry powder exterior wall facing mortar and preparation method thereof |
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| CN106431121A CN106431121A (en) | 2017-02-22 |
| CN106431121B true CN106431121B (en) | 2018-11-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110885584B (en) * | 2019-11-28 | 2021-06-29 | 山西大学 | A kind of colored ecological putty powder for building inner wall and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913833A (en) * | 2010-08-06 | 2010-12-15 | 同济大学 | A kind of colored waterproof mortar for masonry decorative blocks |
| CN103360016A (en) * | 2013-06-27 | 2013-10-23 | 上海宇培特种建材有限公司 | Environment-friendly type inorganic insulating material and preparation method thereof |
-
2016
- 2016-10-12 CN CN201610887811.7A patent/CN106431121B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913833A (en) * | 2010-08-06 | 2010-12-15 | 同济大学 | A kind of colored waterproof mortar for masonry decorative blocks |
| CN103360016A (en) * | 2013-06-27 | 2013-10-23 | 上海宇培特种建材有限公司 | Environment-friendly type inorganic insulating material and preparation method thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180827 Address after: 201803 J227 8, No. 1112, hang Gui Road, Anting Town, Jiading District, Shanghai. Applicant after: SHANGHAI FODEV NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 201804 Xie Chun Road, Jiading District, Shanghai 1000 Applicant before: Shanghai Yupei Special Building Material Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: No. 1112, Hanggui Road, Anting Town, Jiading District, Shanghai, 201804 Patentee after: Shanghai fupei New Material Technology Co.,Ltd. Address before: 201803 J227 8, No. 1112, hang Gui Road, Anting Town, Jiading District, Shanghai. Patentee before: SHANGHAI FODEV NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
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Address after: Building 3, No. 75 Hengle Road, Waigang Town, Jiading District, Shanghai, June 2018 Patentee after: Shanghai fupei New Material Technology Co.,Ltd. Address before: 1112 Hanggui Road, Anting Town, Jiading District, Shanghai, 201804 Patentee before: Shanghai fupei New Material Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |