CN108947430A - A kind of slow setting hard features waterproof mortar and preparation method thereof fastly - Google Patents
A kind of slow setting hard features waterproof mortar and preparation method thereof fastly Download PDFInfo
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- CN108947430A CN108947430A CN201811038317.9A CN201811038317A CN108947430A CN 108947430 A CN108947430 A CN 108947430A CN 201811038317 A CN201811038317 A CN 201811038317A CN 108947430 A CN108947430 A CN 108947430A
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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
- C04B28/10—Lime cements or magnesium oxide 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
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural 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
-
- 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 present invention provides a kind of slow setting hard features waterproof mortar, including following raw material components fastly: portland cement, water-reducing agent, defoaming agent, flyash, grey calcium, quartz sand.The mortar further includes following raw material components: compound high alumina cement, hydrophobically modified celluloses ether, hydrophobic type rubber powder, polyethylene glycol oxide, powder wetting agent.The present invention integrates excellent waterproof performance and high-strength adhesive property, and slurry mixes and stirs initial stage slow setting and quickly goes up intensity after paving test specimen；Greatly shorten construction period, reduce construction cost, it is low energy, environmentally protective.
Description
Technical field
The present invention relates to waterproof mortars, and in particular to a kind of slow setting hard features waterproof mortar and preparation method thereof fastly,
Belong to waterproof mortar field.
Background technique
In recent years, the problem of building wall falls off is increasingly severe, and metope, insulation board for falling off etc. smash automobile, injure by a crashing object
The news of pedestrian is even more commonplace.Metope is subjected to exposing to the sun and rain throughout the year, and Drought-wet change and temperature change produce metope adhesive layer
Raw stress is concentrated, and hollowing is occurred, is one of the immediate cause that metope falls off.In addition, with the sedimentation of building, metope is split
Seam, rainwater enter wall along crack, destroy adhesive layer and insulating layer or bonding with wall basic level, also result in metope and take off
The problem of falling, while there is also exterior wall leakage.It searches to the bottom reason, is exactly that wall adhesives adhesive strength is inadequate, make outer
Wall heat-insulating board or ceramic tile and surface layer or wall basic level it is bonding insecure.
For traditional waterproof material, more or less all there are some problems in the waterproof bonding construction used in exterior wall.JS is anti-
Water paint is flexible, and non-deformability is excellent, but its adhesive strength is relatively low, and the metope risk that falls off is larger；In contrast, prevent
Although water slurry and waterproof mortar have very high adhesive strength, but poor to the adhesive effect of tapestry brick, and it is specific rigid
Property determines the shortcomings that it cannot resist deformation；Tile binding material has good effect for the bonding of tapestry brick, but inhales
Water rate is high, and anti-permeability performance is poor.Therefore, it is desirable to external wall not only meets waterproof performance requirement, but also reaches certain adhesive effect,
Just multiple tracks construction must be carried out with the above material.This not only greatly consumes construction material, but also needs a large amount of manpower and material resources,
It takes a long time, construction cost is higher.
It is anti-to provide a kind of corrosion resistant polymer for a kind of corrosion resistant waterproof polymer mortar of CN201210353170.9
Water sand slurry, including following components by weight: 40 ~ 50 parts of portland cement, 2 ~ 3 parts of polymethylacrylate latex powder, second
Alkene -2 ~ 3 parts of vinyl acetate latex powder, vinyl chloride -1 ~ 2 part of vinylidene chloride emulsion copolymer powder, polyacrylate latex powder 1 ~ 2
Part, 3 ~ 5 parts of polypropylene fibre, 3 ~ 5 parts of cellulose ether, 3 ~ 7 parts of inorfil, 6 ~ 12 parts of plant fiber, cellulose sulfuric acid ester 3 ~ 5
Part, 2 ~ 4 parts of cellulose phosphate, 1 ~ 2 part of septichen phenyl ester, 1 ~ 3 part of polyimide particles, 5 ~ 8 parts of quartz sand, gypsum
10 ~ 15 parts, 5 ~ 9 parts of flyash, 4 ~ 7 parts of bentonite, 3 ~ 6 parts of molybdenum trioxide, 2 ~ 5 parts of silica, 1 ~ 2 part of citric acid, calcium nitrate 5
~ 8 parts, 5 ~ 8 parts of diatomite, 2 ~ 8 parts of polyvinyl alcohol, 3 ~ 6 parts of alumen, 1 ~ 2 part of surfactant, 20 ~ 30 parts of water.
A kind of nano-attapulgite modified waterproof mortar of CN201610103516.8, discloses a kind of nano-attapulgite
Modified waterproof mortar is mixed by following components: ordinary portland cement, quartz sand, flyash, cellulose ether, can be dispersed
Latex powder, water-reducing agent, nano-attapulgite.Nano-attapulgite modified waterproof mortar of the invention uses normal silicate
Cementitious composite flyash improves the intensity of mortar, in addition also added, cellulose ether, polymer dispersion powder, and water-reducing agent etc. adds
Add agent, mortar application property is good, and mortar flexibility is good, is added to nano-attapulgite, and the cohesive force between cement mortar further mentions
Height, inhibits the generation of early stage micro-crack well, to improve the impermeability of waterproof polymer mortar, substantially increases sand
The waterproof performance and stability of slurry.
A kind of environmentally protective waterproof polymer mortar of CN201610117347.3, discloses a kind of environmentally protective polymer
Waterproof mortar is mixed by following components: ordinary portland cement, iron tailings, flyash, steel slag, lotion, water-reducing agent, fine
Tie up plain ether, defoaming agent, water.Environmentally protective waterproof polymer mortar of the invention uses good acrylic emulsion, mortar glue
Film is form compact and stable, in addition also added, cellulose ether, water-reducing agent etc., substantially improves mortar application property, and mortar flexibility is good.
The addition of defoaming agent ruptures the bubble in slurry, and slurry internal orifice dimension gap is reduced, and improves the compactness of mortar, mortar
Intensity improves.Aggregate in formula has discarded traditional quartz sand, uses trade waste, iron tailings, steel slag, flyash conduct instead
Aggregate realizes the recycling and reusing of waste, passes through rational allocation iron tailings, steel slag, the ratio of flyash three, mortar power
The waterproof mortar that performance makees aggregate better than conventional quartz sand is learned, and mortar stability is preferable.
A kind of exterior wall of CN201510959514.4 rapid hardening energy-saving light-weight waterproof mortar, provides a kind of exterior wall rapid hardening section
Energy light-weight water-proof mortar, the waterproof mortar includes liquid material and powder.The liquid material and powder weight ratio is liquid material: powder
=1:2.77 ~ 1:3.33.The liquid material includes following raw material components: styrene-butadiene emulsion, cellulose ether, water, defoaming agent, preservative.
The powder includes following raw material components: portland cement, hollow glass microbead, flyash, quartz sand, expansive agent for cement slurry,
Water-reducing agent, dispersing agent, coagulant, thixotropic agent.Waterproof mortar setting time of the present invention is short, and the presetting period is 45 ~ 70min, final set
Time is 1.50 ~ 2.50h；Waterproof mortar impermeability of the present invention is strong, and pressure-proof and snap-resistent intensity is good.
Adhesive strength in the actual use of adhesives, on the one hand depend on material itself performance, on the other hand by
The influence of site operation.Same adhesives, pasting ceramic tile or insulation board adhesive strength obtained immediately after gluing will be greater than
The adhesive strength that gluing is pasted again after for a period of time can get larger adhesive strength in open assembly time.However worker scene is
Ceramic tile or insulation board are pasted after facilitating construction often not accomplish gluing in open assembly time, which results in adhesives performance hairs
It waves insufficient, the not high situation of adhesive strength occurs.
In conclusion there are following technical problems for the prior art: (1) mortar of the prior art can not meet simultaneously waterproof and
Bond two kinds of performances；(2) mortar of the prior art can not meet the requirement of slow setting and fast hard two kinds of technical indicators simultaneously.
Summary of the invention
The present invention provides a kind of slow setting hard features waterproof mortars and preparation method thereof fastly, to realize following invention mesh
: it is provided simultaneously with the function of waterproof and bonding, waterproof material and adhesives can be replaced；Solve prior art slow setting, fast hard
The defect that can not meet simultaneously；Shorten construction period, reduce construction cost.
To reach the purpose, the technical scheme is that
A kind of slow setting hard features waterproof mortar fastly, in parts by weight, including following raw material components:
30 ~ 45 parts of portland cement, 5 ~ 20 parts of compound high alumina cement, 0.1 ~ 0.5 part of hydrophobically modified celluloses ether, hydrophobic type rubber powder
2 ~ 5 parts, 0.2 ~ 0.5 part of polyethylene glycol oxide, 0.2 ~ 0.5 part of powder wetting agent, 0.05 ~ 0.3 part of water-reducing agent, defoaming agent 0.2 ~ 0.6
Part, 2 ~ 10 parts of flyash, grey 2 ~ 10 parts of calcium, 30 ~ 50 parts of quartz sand.
The portland cement: strength grade is 42.5 or more；
The compound high alumina cement: being different from traditional high alumina cement, by specially treated, comes from Kai Nuosi (China) silicic acid
Salt Technology Co., Ltd., model PP8203；
The hydrophobically modified celluloses ether is hydroxypropyl methyl cellulose ether or hydroxyethyl ether cellulose or hydroxyethyl methyl fiber
Plain ether or methyl cellulose ether；
The hydrophobic type rubber powder is the redispersable latex powder with hydrophobic function, is acrylic acid rubber powder or ethylene-vinyl acetate glue
Powder；
The powder wetting agent is the surfactant of polyethylene glycol esters or organic metal esters or alkylene oxide copolymers class etc..
The water-reducing agent is naphthalene water reducer or polycarboxylate water-reducer or melamine water reducing agent etc., but is not limited only to this.
The powder defoaming agent includes the combination of one or more of organic silicon, polyethers etc..
The quartz sand graduation is in 50 mesh ~ 120 mesh.
The flyash is the combination of one or more of level-one flyash, second class powered coal ash, three-level flyash.
The ash calcium refers to fineness in the sierozem power of 325 mesh or more.
The production process of slow setting hard features waterproof mortar fastly is pure physical mixing processes, various powder raw material mixing
Uniformly, therefore its industrialized producing technology is relatively simple, and the production method of dry powder and mortar can be realized by.
Compared with prior art, technical solution of the present invention has the advantages that
(1) present invention integrates excellent waterproof performance and high-strength adhesive property, slurry mix and stir initial stage slow setting and after paving test specimen
Quickly upper intensity, 7 days intensity of mortar of the present invention 28 days index requests can be required up to relevant criterion, which may replace waterproof
Material and adhesives --- slow setting hard features waterproof mortar fastly reach the target of waterproof and bonding and want by once constructing
It asks.This not only greatly shortens construction period, reduces construction cost, low energy, environmentally protective.
(2) slow setting of the invention advantage of the hard features waterproof mortar in aspect of performance fastly:
1) the fast hard characteristic of slow setting
The generally upper intensity of ordinary mortar with retarding effect is also slow, and upper intensity does not have slow setting generally than faster mortar
Effect, and make the operable time of mix very short.The present invention makes mix at the initial stage of mixing and stirring by specific component formula
With retarding effect, increase its operable time；After operable time, i.e., after paving ceramic tile or insulation board, slurry again can be with
Intensity in quick-hardening.
The slow setting hard features waterproof mortar fastly, can while increasing mortar operable time, be quickly obtained compared with
High intensity makes up the deficiency of mortar class product when in use.Skill that is this while improving slow setting, the two fast hard contradiction characteristics
Art is that the prior art is all difficult to realize.
2) excellent non-deformability
A, higher transversely deforming
In " Polymer cement materials " JC/T 984-2011, " polymer cement waterproof slurry " JC/T 2090-2011
Transversely deforming index is respectively 1.0mm and 2.0mm, and mortar transversely deforming of the present invention is much larger than general waterproof mortar up to 10mm
With the transversal deformability of tile binding material.
B, higher resistance to compression, anti-folding
The fast hardness of the mortar can make its 7d resistance to compression, fracture resistance index can reach " polymer cement waterproof slurry " JC/T
I type requires in 2090-2011, and performance is constantly promoted during late maintaining, and 28d resistance to compression, fracture resistance index reach " polymer
Cement waterproofing mortar " II type index request in JC/T 984-2011.This is much better than " Polymer Mortar " Fujian terrestrial reference DB35/
The requirement of 516-2005.
C, higher bridge joint crack ability
The bridge joint crack capacity index of the mortar is in 1.00mm or more, hence it is evident that is higher than and " applies for the waterproof under Ceramic Tiles adhesive layer
Film " JC/T 2415-2017 requirement.
I.e. the mortar had not only had certain flexibility, but also snap-resistent ability with higher, can resist various stress and produce
Raw deformation and coating is not destroyed.
3) excellent waterproof performance
A, extremely low water absorption rate
We detect the water absorption rate of ceramic tile adhesive on the market generally 7.0% or more, the mortar water absorption rate of invention
It will be less than 3.0%, be not only far below the water absorption rate of common ceramic tile adhesive, moreover it is possible to meet " Polymer cement materials " JC/T
984-2011。
B, higher impermeability
7 days coatings of this mortar are impervious to be higher than 0.8MPa, is better than profession waterproof file " Polymer cement materials " JC/T
Index request in 984-2011, " polymer cement waterproof slurry " JC/T 2090-2011 is with " Polymer Mortar " Fujian
Mark I type requirement in DB35/516-2005.
Extremely low water absorption rate and higher impermeability are the embodiments of the excellent waterproof performance of the mortar, meet waterproof mortar
Standard requirements make up simple adhesives deficiency not resistant to water.
4) excellent adhesive strength
Mortar 7d drawing adhesive strength can reach 28d's as defined in " Polymer cement materials " JC/T 984-2011
Index request, the standard requirements of various treated adhesive strength can not only meet waterproof mortars, also greatly better than existing
The standard requirements of professional adhesives tile binding material.After especially open assembly time increases to 40min, adhesive strength is in 1.5MPa
More than, this is not only the promotion on adhesive property, and also substantially increase mortar can the construction time.
Specific embodiment
Embodiment 1
A kind of slow setting hard features waterproof mortar fastly, in parts by weight, including following raw material components:
40 parts of portland cement, 10 parts of compound high alumina cement, 0.15 part of hydrophobically modified celluloses ether, 2 parts of hydrophobic type rubber powder, polyoxy
Change 0.5 part of ethylene, 0.5 part of powder wetting agent, 0.1 part of water-reducing agent, 0.6 part of defoaming agent, 2 parts of flyash, grey 10 parts of calcium, quartz sand
40 parts.
The portland cement: strength grade 42.5；
The compound high alumina cement: Kai Nuosi (China) silicate Technology Co., Ltd., model PP8203 are come from；
The hydrophobically modified celluloses ether: for 7.5 ten thousand HPMC；
The hydrophobic type rubber powder: for VAE hydrophobic type rubber powder；
The powder wetting agent: for polyethylene glycol wetting agent；
The water-reducing agent: for polycarboxylate water-reducer；
The defoaming agent: for organic silicon defoamer；
The flyash: for second class powered coal ash；
The ash calcium: fineness is 400 mesh；
The quartz sand: fineness is 50 mesh ~ 120 mesh.
The production process of above-mentioned slow setting hard features waterproof mortar fastly is pure physical mixing processes, various powder raw material
It is uniformly mixed, therefore its industrialized producing technology is relatively simple, can be realized by the production method of common dry powder and mortar.
Embodiment 2
A kind of slow setting hard features waterproof mortar fastly, in parts by weight, including following raw material components:
45 parts of portland cement, 5 parts of compound high alumina cement, 0.15 part of hydrophobically modified celluloses ether, 2 parts of hydrophobic type rubber powder, polyoxy
Change 0.5 part of ethylene, 0.5 part of powder wetting agent, 0.1 part of water-reducing agent, 0.5 part of defoaming agent, 5 parts of flyash, grey 5 parts of calcium, quartz sand
35 parts.
The portland cement: strength grade 42.5；
The compound high alumina cement: Kai Nuosi (China) silicate Technology Co., Ltd., model PP8203 are come from；
The hydrophobically modified celluloses ether: for 7.5 ten thousand HEC；
The hydrophobic type rubber powder: for VAE hydrophobic type rubber powder；
The powder wetting agent: for organic metal ester wetting agent；
The water-reducing agent: for polycarboxylate water-reducer；
The defoaming agent: for organic silicon defoamer；
The flyash: for level-one flyash；
The ash calcium: fineness is 400 mesh；
The quartz sand: fineness is 80 mesh ~ 120 mesh.
The production process of above-mentioned slow setting hard features waterproof mortar fastly is pure physical mixing processes, various powder raw material
It is uniformly mixed, therefore its industrialized producing technology is relatively simple, can be realized by the production method of common dry powder and mortar.
Embodiment 3
A kind of slow setting hard features waterproof mortar fastly, in parts by weight, including following raw material components:
30 parts of portland cement, 15 parts of compound high alumina cement, 0.3 part of hydrophobically modified celluloses ether, 5 parts of hydrophobic type rubber powder, polyoxy
Change 0.2 part of ethylene, 0.3 part of powder wetting agent, 0.12 part of water-reducing agent, 0.5 part of defoaming agent, 10 parts of flyash, grey 3 parts of calcium, quartz
50 parts of sand.
The portland cement: strength grade 42.5；
The compound high alumina cement: Kai Nuosi (China) silicate Technology Co., Ltd., model PP8203 are come from；
The hydrophobically modified celluloses ether: for 10,000 MC；
The hydrophobic type rubber powder: for VAE hydrophobic type rubber powder；
The powder wetting agent: for polyethylene glycol wetting agent；
The water-reducing agent: for naphthalene water reducer；
The defoaming agent: for organic silicon defoamer；
The defoaming agent: for polyethers defoaming agent；
The flyash: for level-one flyash；
The ash calcium: fineness is 600 mesh；
The quartz sand: fineness is 50 mesh ~ 100 mesh.
The production process of above-mentioned slow setting hard features waterproof mortar fastly is pure physical mixing processes, various powder raw material
It is uniformly mixed, therefore its industrialized producing technology is relatively simple, can be realized by the production method of common dry powder and mortar.
Embodiment 4
A kind of slow setting hard features waterproof mortar fastly, in parts by weight, including following raw material components:
30 parts of portland cement, 15 parts of compound high alumina cement, 0.5 part of hydrophobically modified celluloses ether, 4 parts of hydrophobic type rubber powder, polyoxy
Change 0.5 part of ethylene, 0.5 part of powder wetting agent, 0.05 part of water-reducing agent, 0.3 part of defoaming agent, 8 parts of flyash, grey 3 parts of calcium, quartz sand
32 parts.
The portland cement: strength grade 52.5；
The compound high alumina cement: Kai Nuosi (China) silicate Technology Co., Ltd., model PP8203 are come from；
The hydrophobically modified celluloses ether: for 10,000 CMC；
The hydrophobic type rubber powder: for acrylate hydrophobic type rubber powder；
The powder wetting agent: for polyethylene glycol wetting agent；
The water-reducing agent: for melamine water reducing agent；
The defoaming agent: for polyethers defoaming agent；
The flyash: for level-one flyash；
The flyash: for second class powered coal ash；
The ash calcium: fineness is 600 mesh；
The quartz sand: fineness is 80 mesh ~ 120 mesh.
The production process of above-mentioned slow setting hard features waterproof mortar fastly is pure physical mixing processes, various powder raw material
It is uniformly mixed, therefore its industrialized producing technology is relatively simple, can be realized by the production method of common dry powder and mortar.
Embodiment 5
A kind of slow setting hard features waterproof mortar fastly, in parts by weight, including following raw material components:
30 parts of portland cement, 20 parts of compound high alumina cement, 0.2 part of hydrophobically modified celluloses ether, 4 parts of hydrophobic type rubber powder, polyoxy
Change 0.5 part of ethylene, 0.2 part of powder wetting agent, 0.3 part of water-reducing agent, 0.6 part of defoaming agent, 10 parts of flyash, grey 3 parts of calcium, quartz sand
40 parts.
The portland cement: strength grade 42.5；
The compound high alumina cement: Kai Nuosi (China) silicate Technology Co., Ltd., model PP8203 are come from；
The hydrophobically modified celluloses ether: for 7.5 ten thousand HPMC；
The hydrophobic type rubber powder: for VAE hydrophobic type rubber powder；
The powder wetting agent: for alkylene oxide copolymers class wetting agent；
The water-reducing agent: for polycarboxylate water-reducer；
The defoaming agent: for organic silicon defoamer；
The flyash: for three flyash；
The ash calcium: fineness is 325 mesh；
The quartz sand: fineness is 8 mesh ~ 120 mesh.
The production process of above-mentioned slow setting hard features waterproof mortar fastly is pure physical mixing processes, various powder raw material
It is uniformly mixed, therefore its industrialized producing technology is relatively simple, can be realized by the production method of common dry powder and mortar.
Testing result:
Slow setting prepared by the above case study on implementation fastly hard features waterproof mortar and tap water in 100:(22 ~ 25) ratio into
After row ingredient, according to industry relevant criterion carry out performance detection, physical property test results in the following table:
As seen from the above table, slow setting of the present invention fastly hard features waterproof mortar presetting period be 180-207 min, final setting time
For 236-251 min；7d flexural strength is 4.3-5.0MPa, and 28d flexural strength is 8.1-8.9MPa；7d compression strength is
12.4-13.0MPa, 28d compression strength are 24.3-26.2MPa, and flexibility (transversely deforming) is 10.2-10.6mm, bridge crack
Ability is 1.01-1.08mm, and coating impermeability pressure (7d) is 0.8-1.0MPa, and 7d tensile bond strength is 1.2-1.6MPa,
28d tensile bond strength is 2.3-2.8MPa, and soak post-tensioning adhesion strength (28d) 1.7-2.1MPa, and heat ageing post-tensioning is viscous
Knotting strength (28d) is 1.9-2.1MPa；Frozen-thawed cycled post-tensioning adhesive strength (28d) is 1.8-2.3MPa；Hang 40min stretching
Adhesive strength (28d) is 1.5-1.9 MPa；Water absorption rate is 2.0-2.7%.
Embodiment 6
Construction technology:
1) basal plane wetting construction
Dry basal plane is sufficiently soaked, until saturated dry surface.
2) water-proof tack coat is constructed
Basal plane scratches direction vertical direction each other after handling well with boundary layer on it at once, scratches the fast hard extraordinary function of one of slow setting
Waterproof mortar sizing material, thickness are about 1.5-2.5 ㎜, it is proposed that do not have to flute profile scraper control construction thickness, to prevent between cog effective
Waterproof thickness low LCL is given no cause for much criticism with flute profile scraper, after the flute profile doctor-blade application greater than 3mm, sticks ceramic tile or heat preservation
Plate etc., rubbing pressure ceramic tile, perhaps insulation board can make cement mortar and insulation board or ceramic tile completely viscous, and thickness halves, therefore metope the
One layer of minimum 1.5mm of waterproofing layer thickness；Then brick (or insulation board) back side scratch one of macromolecule water-proof binding sizing material into
Row bonding with, two overall thickness 2-2.5 ㎜, then slightly beat shake put down it is closely knit to improve the completely viscous effect of bonding, layer final set to be bonded
Jointing is carried out with jointing agent again afterwards.The mortar be infected with and fallen when jointing should be cleaned out before initial set.
3) it by changing the performance of slow setting hard features waterproof mortar fastly, is allowed to both meet the standard of waterproof material, have
Meet the standard of adhesives, waterproof layer is combined into one with adhesive layer, simplifies the use of working procedure and construction material, is reduced
Wall self weight improves production efficiency and reduces construction cost.
Performance in construction, embodiment 1-4 is in construction, when mortar product is mixed with water, has good workability；
Mixed slurry has preferable thixotropy in construction, is easy to criticize and scrape；There are preferable wetability, slurry and base and ceramic tile to hold
Easily reach completely viscous, and is tightly combined.Less than embodiment 5 is then presented in the above.
In addition to specified otherwise, percentage of the present invention is mass percent, and the ratio is mass ratio.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
It, for those skilled in the art, still can be with although describing the invention in detail with reference to the foregoing embodiments
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of slow setting hard features waterproof mortar fastly, it is characterised in that: including following raw material components: portland cement subtracts
Aqua, defoaming agent, flyash, grey calcium, quartz sand.
2. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that: the mortar is also
Including following raw material components: compound high alumina cement, hydrophobically modified celluloses ether, hydrophobic type rubber powder, polyethylene glycol oxide, powder wetting
Agent.
3. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that: the mortar,
In parts by weight, including following raw material components:
30 ~ 45 parts of portland cement, 5 ~ 20 parts of compound high alumina cement, 0.1 ~ 0.5 part of hydrophobically modified celluloses ether, hydrophobic type rubber powder
2 ~ 5 parts, 0.2 ~ 0.5 part of polyethylene glycol oxide, 0.2 ~ 0.5 part of powder wetting agent, 0.05 ~ 0.3 part of water-reducing agent, defoaming agent 0.2 ~ 0.6
Part, 2 ~ 10 parts of flyash, grey 2 ~ 10 parts of calcium, 30 ~ 50 parts of quartz sand.
4. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that: the mortar,
In parts by weight, including following raw material components:
30 parts of portland cement, 15 parts of compound high alumina cement, 0.5 part of hydrophobically modified celluloses ether, 4 parts of hydrophobic type rubber powder, polyoxy
Change 0.5 part of ethylene, 0.5 part of powder wetting agent, 0.05 part of water-reducing agent, 0.3 part of defoaming agent, 8 parts of flyash, grey 3 parts of calcium, quartz sand
32 parts.
5. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that:
The powder defoaming agent includes the combination of one or more of organic silicon, polyethers etc.；
The quartz sand: grade fits over 50 mesh ~ 120 mesh.
6. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that:
The flyash is the combination of one or more of level-one flyash, second class powered coal ash, three-level flyash；
The ash calcium refers to fineness in the sierozem power of 325 mesh or more.
7. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that:
The water-reducing agent is naphthalene water reducer or polycarboxylate water-reducer or melamine water reducing agent.
8. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that:
The powder wetting agent is polyethylene glycol esters or organic metal esters or alkylene oxide copolymers class.
9. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that:
The hydrophobic type rubber powder is acrylic acid rubber powder or ethylene-vinyl acetate rubber powder.
10. a kind of slow setting according to claim 1 hard features waterproof mortar fastly, it is characterised in that:
The portland cement: strength grade is 42.5 or more；
The compound high alumina cement: model PP8203.
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| CN109608125A (en) * | 2018-12-10 | 2019-04-12 | 三筑工科技有限公司 | Filleting mortar and its preparation method and application |
| CN110105027A (en) * | 2019-04-19 | 2019-08-09 | 湖北蓝瑞联合建筑科技有限公司 | The backwater that a kind of back side and upstream face can construct applies material and preparation method thereof |
| CN110386792A (en) * | 2019-08-23 | 2019-10-29 | 四川蓝筹建材有限公司 | A kind of high bonding ceramic tile morta |
| CN113896496A (en) * | 2021-09-16 | 2022-01-07 | 上海三棵树防水技术有限公司 | Preparation method of single-component polymer ultrafast waterproof slurry |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608125A (en) * | 2018-12-10 | 2019-04-12 | 三筑工科技有限公司 | Filleting mortar and its preparation method and application |
| CN110105027A (en) * | 2019-04-19 | 2019-08-09 | 湖北蓝瑞联合建筑科技有限公司 | The backwater that a kind of back side and upstream face can construct applies material and preparation method thereof |
| CN110386792A (en) * | 2019-08-23 | 2019-10-29 | 四川蓝筹建材有限公司 | A kind of high bonding ceramic tile morta |
| CN113896496A (en) * | 2021-09-16 | 2022-01-07 | 上海三棵树防水技术有限公司 | Preparation method of single-component polymer ultrafast waterproof slurry |
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