CN108298915A - A kind of exterior wall Crack-resistance Front Mortar and preparation method thereof containing fiberglass recycled fiber - Google Patents
A kind of exterior wall Crack-resistance Front Mortar and preparation method thereof containing fiberglass recycled fiber Download PDFInfo
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- CN108298915A CN108298915A CN201810300798.XA CN201810300798A CN108298915A CN 108298915 A CN108298915 A CN 108298915A CN 201810300798 A CN201810300798 A CN 201810300798A CN 108298915 A CN108298915 A CN 108298915A
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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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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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
- 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)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The exterior wall Crack-resistance Front Mortar and preparation method thereof containing fiberglass recycled fiber that the present invention relates to a kind of, is related to Material Field.The raw material of above-mentioned exterior wall Crack-resistance Front Mortar is counted in parts by weight, including：190 265 parts of 245 300 parts of cement, 45 105 parts of mineral admixture, 600 755 parts of fine aggregate, 0.2 0.51 parts of water-keeping thickening material, 2.8 10.2 parts of fiberglass recycled fiber, 4.9 10.1 parts of redispersable latex powder, 0.3 0.8 parts of diminishing material, 0.47 0.8 parts of hydrophobic material and water.Pass through the cooperation of raw material and the preparation method of exterior wall Crack-resistance Front Mortar so that the recycling of discarded glass steel utilizes again, turns waste into wealth, while effectively improving the impermeabilisation of mortar, anti-shrink cracking, energy to failure, bending resistance drawing performance and shock resistance.
Description
Technical field
The present invention relates to Material Fields, and more particularly to a kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber
And preparation method thereof.
Background technology
In construction projects, cement-based material is the construction material that a kind of dosage is maximum, purposes is most wide.It is well known that water
Cement-based material there is there are limit elongations it is small, tensile strength is low, crack resistance is poor the shortcomings of, along with the high spy of compression strength
Sign, drying shrinkage and brittleness problems are more prominent.For the cement mortar of materials for wall plastering, in use because conserving item
The various unfavorable factors such as part, temperature humidity, match ratio, raw material property, cause mortar occur contraction, cracking, hollowing, leakage,
Phenomena such as peeling, causes the volume stability (i.e. endurance quality) of mortar to decline, and service life significantly reduces.Therefore, it shrinks
Cracking, brittleness have become the common quality defect of mortar in architectural engineering, especially the shrinkage cracking phenomenon of mortar, and no matter is crack
Size, length can play prodigious facilitation to the deterioration of mortar.
Thermoset frp is using glass fibre as reinforcing material, and one kind using the resin of synthesis as basis material is compound
Material, the density that is had concurrently with itself is small, high mechanical properties, insulation, the excellent specific properties such as heat-insulated wind-powered electricity generation, navigation, building, traffic,
Equal fields are widely applied, and China's fiberglass annual output occupies No. 1 in the world up to ten thousand tons.It is fast with fiberglass industry
Speed development, glass fibre reinforced plastic waste largely generate, and majority fibre glass product manufacture uses thermosetting resin, physical and chemical performance at present
Stablize, not degradable and recycling.Its traditional processing method is to burn, bury etc., such processing mode does not only take up a large amount of soil
Ground, polluted underground water, the toxic and harmful gas also generated, flue dust, pollution environment are detrimental to health.With Environmental
The implementation of the high request and the strategy of sustainable development that propose is protected,《People's Republic of China's noxious waste pollution environment is anti-
Therapy》Regulation country encourages, supports to reduce the yield of solid waste, carries out clean energy resource.Therefore, to the money of discarded glass steel
Sourceization utilizes again, has become one letter problem to be solved of fiberglass industry.
Invention content
The exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber that the purpose of the present invention is to provide a kind of effectively solves
Discarded glass steel resource utilization and cement mortar crack, brittleness problems in certainly above-mentioned background paper, while making discarded glass
Steel recycling utilizes again, turns waste into wealth, sustainable development, effectively improves the impermeabilisation of mortar, anti-shrink cracking, energy to failure, resists
Curved drawing performance and shock resistance.
The system for the exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber that another object of the present invention is to provide a kind of
Preparation Method, it is easy to operate, the uniformity of the exterior wall Crack-resistance Front Mortar of fiberglass recycled fiber is effectively improved, and then improve its property
Energy.
The present invention solves its technical problem using following technical scheme to realize.
The present invention proposes a kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, and raw material is in parts by weight
Meter, including：
245-300 parts of cement, 45-105 parts of mineral admixture, 600-755 parts of fine aggregate, water-keeping thickening material 0.2-0.51
Part, 2.8-10.2 parts of fiberglass recycled fiber, 4.9-10.1 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic material
Expect 0.47-0.8 parts and 190-265 parts of water.
Preferably, cement 250-300 parts, 50-100 parts of mineral admixture, 600-750 parts of fine aggregate, water-keeping thickening material
0.2-0.5 parts, 3-10 parts of fiberglass recycled fiber, 5-10 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic material
Expect 0.5-0.8 parts and 195-260 parts of water.
It is highly preferred that 260-290 parts of cement, 60-90 parts of mineral admixture, 610-740 parts of fine aggregate, water-keeping thickening material
0.3-0.5 parts, 4-10 parts of fiberglass recycled fiber, 5-10 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic material
Expect 0.5-0.8 parts and 200-250 parts of water.
The present invention proposes a kind of preparation method of the above-mentioned exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, packet
It includes：In whipping process, fiberglass recycled fiber is added portionwise in fine aggregate, every batch of continues to stir at least 3min after being added,
After last time stirs at least 3min, cement, mineral admixture, water-keeping thickening material, redispersable latex powder, diminishing is added
Material and hydrophobic material continue after stirring at least 2min, water are added, stir 2-3min.
The advantageous effect of the embodiment of the present invention is：
The Crack-resistance Front Mortar prepared using fiberglass recycled fiber is ensureing that anticracking grout working performance is excellent first
Under the premise of, draw performance, shock resistance to play the role of raising the impermeabilisation of mortar, anti-shrink cracking, energy to failure, bending resistance,
It is effectively improved its toughness properties；Secondly, the outside of discarded glass steel fibre is wrapped up by a large amount of epoxy resin, in mixed process,
Reinforced plastic glass fibre be not present same hydrolysis product of cement-calcium hydroxide between occur alkali reaction, further increase system stability,
Durability and anti-shrink ability；Meanwhile largely to have recycled scrap glass steel fibre, provide it is a kind of it is economical, environmentally friendly,
Energy-efficient method has achieved the purpose that comprehensively utilize industrial solid castoff, has reduced the cost of dry mixing anticracking grout.
The exterior wall Crack-resistance Front Mortar favorable working performance of the present invention, workability is good, non-stick knife in work progress, not sagging,
Not bleeding；After construction, mortar surface is appeared phenomenon without fiber.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Below to exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber of the embodiment of the present invention and preparation method thereof
It is specifically described.
The present invention provides a kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, and raw material is in parts by weight
Meter, including：
245-300 parts of cement, 45-105 parts of mineral admixture, 600-755 parts of fine aggregate, water-keeping thickening material 0.2-0.51
Part, 2.8-10.2 parts of fiberglass recycled fiber, 4.9-10.1 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic material
Expect 0.47-0.8 parts and 190-265 parts of water.
Preferably, cement 250-300 parts, 50-100 parts of mineral admixture, 600-750 parts of fine aggregate, water-keeping thickening material
0.2-0.5 parts, 3-10 parts of fiberglass recycled fiber, 5-10 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic material
Expect 0.5-0.8 parts and 195-260 parts of water.
It is highly preferred that 260-290 parts of cement, 60-90 parts of mineral admixture, 610-740 parts of fine aggregate, water-keeping thickening material
0.3-0.5 parts, 4-10 parts of fiberglass recycled fiber, 5-10 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic material
Expect 0.5-0.8 parts and 200-250 parts of water.Under the conditions of aforementioned proportion, each reasonable raw material proportioning effectively improves the impervious of mortar
Thoroughly, performance and shock resistance are drawn in anti-shrink cracking, energy to failure, bending resistance so that exterior wall Crack-resistance Front Mortar workability is good, applies
Non-stick knife, not sagging, not bleeding during work.
Wherein, in preferred embodiments of the present invention, fiberglass recycled fiber is made by following methods：
Waste and old thermoset frp is cut, is crushed, fibre fractionation, cleaning, drying, by waste and old thermosetting property glass
Glass steel cut, is crushed, fibre fractionation, cleaning, drying, obtain length and recycled at least one of 6mm and 9mm fiberglass
Fiber.Specifically, it can be carried out according to existing cutting, crushing technology, such as first to waste and old thermoset frp by cutting
Cutting mill processing is 5-10 blocks, and by it one after another to be handled using fiber crusher after fritter, it is different that thickness, length can be obtained
Fiber, using fibre fractionation process, screening obtains two kinds of gauge fibers that length is 6mm and/or 9mm, using existing
Some technologies and equipment are cleaned, are dried.Above-mentioned preparation method influences the specific ingredient object of fiberglass so that when it
It is filled in the performance that mortar is significantly increased after mortar.Fiberglass recycled fiber made from above-mentioned preparation method effectively improves exterior wall and smears
Crack resistance, toughness and the stability of face anticracking grout.
In preferred embodiments of the present invention, fine aggregate is selected from least one of quartz sand, natural river sand and Machine-made Sand.
Preferably, fine aggregate grain size is less than 4.75mm, and fineness modulus is between 2-3；It is preferred that the clod content of fine aggregate<
0.5%, clay content<2%；It is preferred that the accumulation voidage of fine aggregate<40%, apparent density is>2500kg/m3.Effectively improve sand
The intensity of slurry, at the same it is more preferable with the degree of mixing of fiberglass recycled fiber.
In preferred embodiments of the present invention, mineral admixture is at least one of flyash, slag powders and silicon ash.
Preferably, flyash grade is not less than II grade, and slag grade is not less than S95, the SiO of silicon ash2Content is not less than
85%；Preferably, the specific surface of mineral admixture is more than 350kg/m2.To sum up, the power of exterior wall Crack-resistance Front Mortar is effectively improved
Learn performance.
In preferred embodiments of the present invention, cement is the portland cement or composite Portland cement not less than 42.5.
In preferred embodiments of the present invention, water-keeping thickening material is cellulose ethers, hydroxypropyl methyl cellulose ether or hydroxyl
Methylethylcellulose ether；Most moisture can be maintained by effectively improving when exterior wall Crack-resistance Front Mortar is applied to exterior wall,
The bonding force between mortar and exterior wall is improved, prevents mortar from occurring shrinking, peel off.
Preferably, the viscosity range of water-keeping thickening material is for 100000-200000Pa.S, such as 110000-
200000Pa.S or 110000-180000Pa.S etc., in above range, viscosity is good, good with the cooperation of remaining raw material, while effectively
Inhibit plastic shrinkage, prevents from peeling off, while good with the cooperation of fiberglass recycled fiber, effect of prestressed is good.
In preferred embodiments of the present invention, the water-reducing rate of diminishing material is not less than 15%, it is preferable that diminishing material is powdery
High-efficiency water-reducing agent of poly-carboxylic acid, powdery how the aliphatic water reducing agent of based water reducer or powdery.Under above-mentioned condition, effectively reduces and mix
Water is shared, workability is improved, increases intensity, saves cement consumption；The impermeability for effectively improving the mortar simultaneously, avoids exterior wall
Crack-resistance Front Mortar leak increases durability；With water-keeping thickening material rational proportion, exterior wall Crack-resistance Front Mortar is effectively reduced
Shrinking percentage cracks after preventing exterior wall Crack-resistance Front Mortar from smearing.
In preferred embodiments of the present invention, redispersable latex powder is ethylene-vinyl acetate copolymer, vinyl acetate-
Versatic acid ethylene copolymer or acrylic copolymer.By redispersable latex powder to modifying mortar, effectively improve mortar with it is outer
Adhesive strength between wall improves stability, intensity, elasticity and the plasticity of exterior wall Crack-resistance Front Mortar so that it is easier to
It is applied to exterior wall, while eliminating the stress inside mortar, further increases its anti-crack ability.
In preferred embodiments of the present invention, hydrophobic material is organosilicon or polyoxy silane, to the compression strength shadow of mortar
Sound is smaller, while effectively reducing the water absorption of mortar.
Simultaneously, it should be noted that in the present invention, diminishing material, water-keeping thickening material are powdery, to by dry-mixed
Mortar, prevents that the mortar performance that Site is brought is poor, is unfavorable for the defects of environmental protection.
The present invention also provides a kind of preparation method of the above-mentioned exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, packets
It includes：S1. in whipping process, fiberglass recycled fiber is added portionwise in fine aggregate, every batch of continues dry mixing at least after being added
3min, such as 3,5 or 6min etc., wherein fiberglass recycled fiber is added portionwise, effectively so that fiberglass recycled fiber and thin bone
Material is uniformly mixed, and improves anti-crack ability.
S2. after last time dry mixing at least 3min, cement, mineral admixture, water-keeping thickening material, redispersible is added
Latex powder, diminishing material and hydrophobic material after continuing dry mixing at least 2min, are added water, stir 2-3min, further increase outer
The uniformity and Yi Hexing of wall Crack-resistance Front Mortar.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, is made by following methods：
The fine aggregate weighed up is put into blender, is sprinkled into fiberglass recycled fiber in batches in whipping process, every batch of is added
Afterwards continue dry mixing 3min, after last time dry mixing 3min, add the cement weighed up, mineral admixture, water-keeping thickening material,
Redispersable latex powder, diminishing material and hydrophobic material after continuing dry mixing 2min, are eventually adding water, stir 2min.
Specifically, the raw material of the above-mentioned exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber is counted in parts by weight, packet
It includes：254 parts of cement, 80 parts of mineral admixture, 700 parts of fine aggregate, 0.28 part of water-keeping thickening material, 6mm fiberglass recycled fiber 8
Part, 7 parts of redispersable latex powder, 0.4 part of diminishing material, 0.5 part of hydrophobic material and 217 parts of water.
Embodiment 2
A kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, with differing only in for embodiment 1：
Its raw material is counted in parts by weight, including：270 parts of cement, 50 parts of mineral admixture, 720 parts of fine aggregate, water-keeping thickening
0.35 part of material, 5 parts of 6mm fiberglass recycled fiber, 5 parts of redispersable latex powder, 0.7 part of diminishing material, hydrophobic material 0.5
208 parts of part and water.
Embodiment 3
A kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, with differing only in for embodiment 1：
Its raw material is counted in parts by weight, including：290 parts of cement, 50 parts of mineral admixture, 680 parts of fine aggregate, water-keeping thickening
0.4 part of material, 9 parts of 9mm fiberglass recycled fiber, 5 parts of redispersable latex powder, 0.3 part of diminishing material, 0.6 part of hydrophobic material,
And 221 parts of water.
Embodiment 4
A kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, with differing only in for embodiment 1：
Its raw material is counted in parts by weight, including：280 parts of cement, 90 parts of mineral admixture, 740 parts of fine aggregate, water-keeping thickening
0.3 part of material, 9 parts of 9mm fiberglass recycled fiber, 9 parts of redispersable latex powder, 0.7 part of diminishing material, 0.7 part of hydrophobic material,
And 241 parts of water.
Embodiment 5
A kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, with differing only in for embodiment 1：
Its raw material is counted in parts by weight, including：260 parts of cement, 70 parts of mineral admixture, 690 parts of fine aggregate, water-keeping thickening
0.3 part of material, 7 parts of 6mm fiberglass recycled fiber, 6 parts of redispersable latex powder, 0.35 part of diminishing material, hydrophobic material 0.7
215 parts of part and water.
Test example
Common blank decorative mortar without containing fiberglass recycled fiber is set as a control group, specifically, control group is adopted
It is made with the method that embodiment 1 provides, difference lies in：The raw material of control group is counted in parts by weight, including：285 parts of cement, mineral
85 parts of admixture, 0.45 part of water-keeping thickening material, 6 parts of redispersable latex powder, 0.5 part of diminishing material, is hated at 700 parts of fine aggregate
241 parts of 0.65 part of water material and water.
With reference to JGJ70-2009《Building mortar basic performance tests method》, made from embodiment 1-5 and control group
Mortar is tested for the property, and the results are shown in Table 1.
1 test result of table
According to table 1 results, it can be seen that the pressure resistance of the exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber
Degree, flexural strength, shrinking percentage are effectively improved, and backfin is reduced than effectively, and effect of prestressed is excellent.
To sum up, the exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber of the embodiment of the present invention effectively solves
Discarded glass steel resource utilization and cement mortar crack, brittleness problems in background paper are stated, it is good to work at the same time performance, workability
It is good, non-stick knife, not sagging, not bleeding in work progress；After construction, mortar surface is appeared phenomenon without fiber.Its preparation side simultaneously
Method is simply controllable, further increases its performance.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of exterior wall Crack-resistance Front Mortar containing fiberglass recycled fiber, which is characterized in that its raw material is counted in parts by weight,
Including：
245-300 parts of cement, 45-105 parts of mineral admixture, 600-755 parts of fine aggregate, 0.2-0.51 parts of water-keeping thickening material,
2.8-10.2 parts of the fiberglass recycled fiber, 4.9-10.1 parts of redispersable latex powder, 0.3-0.8 parts of diminishing material, hydrophobic
190-265 parts of 0.47-0.8 parts of material and water；
Preferably, described cement 250-300 parts, it is mineral admixture 50-100 parts described, fine aggregate 600-750 parts described, described
It is 0.2-0.5 parts of water-keeping thickening material, 3-10 parts of the fiberglass recycled fiber, redispersable latex powder 5-10 parts described, described
It is 0.3-0.8 parts of diminishing material, hydrophobic material 0.5-0.8 parts and water 195-260 parts described described；
It is highly preferred that described cement 260-290 parts, it is mineral admixture 60-90 parts described, fine aggregate 610-740 parts described, described
It is 0.3-0.5 parts of water-keeping thickening material, 4-10 parts of the fiberglass recycled fiber, redispersable latex powder 5-10 parts described, described
It is 0.3-0.8 parts of diminishing material, hydrophobic material 0.5-0.8 parts and water 200-250 parts described described.
2. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the fiberglass recycled fiber is by following
Method is made：
Waste and old thermoset frp is cut, is crushed, fibre fractionation, cleaning, drying, obtain length be 6mm and 9mm in
At least one fiberglass recycled fiber.
3. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the fine aggregate is selected from quartz sand, day
Right at least one of river sand and Machine-made Sand；
Preferably, the fine aggregate grain size is less than 4.75mm, and fineness modulus is between 2-3；It is preferred that the clod of the fine aggregate contains
Amount<0.5%, clay content<2%；It is preferred that the accumulation voidage of the fine aggregate<40%, apparent density is>2500kg/m3。
4. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the mineral admixture be flyash,
At least one of slag powders and silicon ash；
Preferably, the flyash grade is not less than II grade, and the slag grade is not less than S95, the SiO of the silicon ash2Content is not
Less than 85%；
Preferably, the specific surface of the mineral admixture is more than 350kg/m2。
5. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the cement is the silicon not less than 42.5
Acid salt cement or composite Portland cement.
6. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the water-keeping thickening material is cellulose
Ethers, hydroxypropyl methyl cellulose ether or hydroxymethyl ethylcellulose ether；
Preferably, the viscosity range of the water-keeping thickening material is for 100000-200000Pa.S.
7. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the water-reducing rate of the diminishing material is not low
In 15%；
Preferably, the diminishing material be the high-efficiency water-reducing agent of poly-carboxylic acid of powdery, powdery how the fat of based water reducer or powdery
Race's water-reducing agent.
8. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the redispersable latex powder is second
Alkene-vinyl acetate co-polymer, vinyl acetate-versatic acid ethylene copolymer or acrylic copolymer.
9. exterior wall Crack-resistance Front Mortar according to claim 1, which is characterized in that the hydrophobic material is organosilicon or gathers
Oxosilane.
10. the preparation of the exterior wall Crack-resistance Front Mortar as described in any one of claims 1-9 containing fiberglass recycled fiber
Method, which is characterized in that in whipping process, the fiberglass recycled fiber is added portionwise in the fine aggregate, every batch of adds
Continue dry mixing at least 3min after entering and the cement, the mineral admixture, institute is added after last time dry mixing at least 3min
Water-keeping thickening material, the redispersable latex powder, the diminishing material and the hydrophobic material are stated, continues dry mixing at least
After 2min, the water is added, stirs 2-3min.
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| CN109133792A (en) * | 2018-09-17 | 2019-01-04 | 佛山市禅城区诺高环保科技有限公司 | A kind of anti-shrink type concrete interface treating agent |
| CN110254105A (en) * | 2019-05-09 | 2019-09-20 | 汪令建 | A method of utilizing waste waste-material-preparing design product |
| CN110590290A (en) * | 2019-10-17 | 2019-12-20 | 河北工业大学 | Fully-recycled glass fiber reinforced plastic reinforced concrete and preparation method thereof |
| CN114790096A (en) * | 2022-04-29 | 2022-07-26 | 河北工业大学 | Solidified sludge block reinforced by waste glass fiber reinforced plastics and preparation method thereof |
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| CN109133792A (en) * | 2018-09-17 | 2019-01-04 | 佛山市禅城区诺高环保科技有限公司 | A kind of anti-shrink type concrete interface treating agent |
| CN110254105A (en) * | 2019-05-09 | 2019-09-20 | 汪令建 | A method of utilizing waste waste-material-preparing design product |
| CN110590290A (en) * | 2019-10-17 | 2019-12-20 | 河北工业大学 | Fully-recycled glass fiber reinforced plastic reinforced concrete and preparation method thereof |
| CN114790096A (en) * | 2022-04-29 | 2022-07-26 | 河北工业大学 | Solidified sludge block reinforced by waste glass fiber reinforced plastics and preparation method thereof |
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Application publication date: 20180720 |