CN106968409A - A kind of external wall waterproof construction and preparation method thereof - Google Patents
A kind of external wall waterproof construction and preparation method thereof Download PDFInfo
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- CN106968409A CN106968409A CN201710368822.9A CN201710368822A CN106968409A CN 106968409 A CN106968409 A CN 106968409A CN 201710368822 A CN201710368822 A CN 201710368822A CN 106968409 A CN106968409 A CN 106968409A
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- 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
- 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
The present invention provides a kind of external wall waterproof construction and preparation method thereof.The basic unit for the external wall waterproof construction that the present invention is provided includes cement mortar or waterproof polymer mortar, makes the surface of wall of external wall smooth and serves as one layer of rigid waterproofing structure；Polymethyl methacrylate resin waterproof coating and SPUA waterproof coating formation complex waterproof layer, with extremely strong cohesive force, pliability and elasticity, wall and the cracking of basic unit can effectively be prevented, solve leakage problems caused by wall or rigid waterproof layer cracking, and with excellent durability, the waterproof effect of wall life cycle management can be accomplished.Test result indicates that, the external wall waterproof construction adhesive strength that the present invention is provided is up to 3.9MPa；0.6MPa, 2h are waterproof；Phenomenon that is not cracking during bending, peeling off, pliability is good；Elongation at break is 480%；In accelerated aging tests, stretching strength retentivity 87%, elongation at break 440%.
Description
Technical field
The present invention relates to construction engineering technical field, more particularly to a kind of external wall waterproof construction and preparation method thereof.
Background technology
As economic develops rapidly, the material and structure type of building are also diversified all the more.Various energy-saving heat preservings it is light
Matter materials for wall is widely used in the filling wall of frame structure, but multi-party by material, technique, technology and management etc.
The influence of face factor, exterior wall leakage water problems is also protruded all the more.Although the amount of rainfall on metope is not too big, rainy
South and coastal area, the long-time of plum rain season drenches with rain, typhoon when the short time in a large amount of rainwater blow to metope, cause exterior wall to ooze
Seepy question is extremely prominent, so that the use of the normal function of building has been had a strong impact on, while also shortening making for building
Use the life-span.
At present, the construction of traditional exterior wall from inside to outside is：Finish coat-plaster leveling layer-rough bottom-interior wall-is smeared
Grieshoch-dope layer, from inside to outside without one of special-purpose water-proof layer.Fundamentally see, it is to cause that exterior wall, which lacks special waterproof layer,
The main reason of percolating water；Furthermore, with the growth of use time, wall and concrete frame border on position with temperature or wet
Degree change will produce crack, and then occur seepage.Accordingly, it would be desirable to increase waterproof construction in exterior wall.But, traditional metope is prevented
Water paint can be cracked with the cracking of wall plastering, and traditional water-repellent paint endurance quality is not also good, and coating is easy to crack
And peeling, cause the failure of waterproof coating.
The content of the invention
It is an object of the invention to provide a kind of external wall waterproof construction and preparation method thereof.The building that the present invention is provided
External wall waterproof structure has good impermeability, pliability, ductility and durability.
The invention provides a kind of external wall waterproof construction, including it is set in turn in the basic unit of building exterior wall surface, bottom
Layer and surface layer；The basic unit includes cement mortar or waterproof polymer mortar；The bottom includes polymethyl methacrylate resin
Waterproof coating；The surface layer includes SPUA waterproof coating.
It is preferred that, the thickness of the cement mortar is 15~20mm.
It is preferred that, the cement mortar includes cement and aggregate；The mass ratio of the cement and aggregate is 1:(2.8~3).
It is preferred that, the thickness of the waterproof polymer mortar is 10~15mm.
It is preferred that, the waterproof polymer mortar includes Polymer cement materials modifying agent, cement and aggregate, described
The mass ratio of Polymer cement materials modifying agent, cement and aggregate is (0.035~0.05):1:(2.4~2.6).
It is preferred that, the moisture content of the basic unit is less than 10%.
It is preferred that, the thickness of the bottom is 0.3~0.5mm.
It is preferred that, the thickness of the surface layer is 1.5~1.8mm.
Present invention also offers the preparation method of external wall waterproof construction described in above-mentioned technical proposal, including following step
Suddenly：
(1) cement mortar or waterproof polymer mortar are coated in building exterior wall surface, obtains basic unit；
(2) substrate surface obtained in the step (1) coats polymethyl methacrylate resin water-repellent paint, obtains on earth
Layer；
(3) bottom surface obtained in the step (2) coats SPUA water-repellent paint, obtains external wall waterproof
Structure.
It is preferred that, when being coated in the step (3), the temperature of the basic unit is more than 3 DEG C.
The invention provides a kind of external wall waterproof construction, including it is set in turn in the basic unit of building exterior wall surface, bottom
Layer and surface layer；The basic unit includes cement mortar or waterproof polymer mortar；The bottom includes polymethyl methacrylate resin
Waterproof coating；The surface layer includes SPUA waterproof coating.The basic unit's bag for the external wall waterproof construction that the present invention is provided
Cement mortar or waterproof polymer mortar are included, makes the surface of wall of external wall smooth and serves as one layer of rigid waterproofing structure；First
Base methacrylate resin (MMA) waterproof coating and SPUA waterproof coating formation complex waterproof layer, glue with extremely strong
Power, pliability and elasticity are tied, wall and the cracking of basic unit can be effectively prevented, effectively wall is solved or rigid waterproofing coating cracking is led
Leakage problems are caused, and with excellent durability, the waterproof effect of wall life cycle management can be accomplished.Test result indicates that,
The external wall waterproof construction adhesive strength that the present invention is provided is up to 3.9MPa；(0.6MPa, 2h) is waterproof；Do not occur during bending
Cracking, the phenomenon peeled off, pliability are good；Elongation at break is 480%；In accelerated aging tests, stretching strength retentivity
87%, elongation at break 440%.
Brief description of the drawings
Fig. 1 is the structural representation of external wall waterproof construction in the embodiment of the present invention 1, wherein, 1 is basic unit, and 2 be bottom
Layer, 3 be surface layer.
Embodiment
The invention provides a kind of external wall waterproof construction, including it is set in turn in the basic unit of building exterior wall surface, bottom
Layer and surface layer；The basic unit includes cement mortar or waterproof polymer mortar；The bottom includes polymethyl methacrylate resin
Waterproof coating；The surface layer includes SPUA waterproof coating.
The external wall waterproof construction that the present invention is provided includes being arranged at the basic unit of building exterior wall surface, and the basic unit includes
Cement mortar or waterproof polymer mortar.In the present invention, the thickness of the cement mortar is preferably 15~20mm, more preferably
16~18mm.In the present invention, the cement mortar preferably includes cement and aggregate；The mass ratio of the cement and aggregate is preferred
For 1:(2.8~3), more preferably 1:(2.85~2.95).In the present invention, the cement mortar preferably also includes water, described
The mass ratio of water and cement is preferably 0.5~0.7:1, more preferably 0.55~0.65:1, most preferably 0.6:1.
In the present invention, the thickness of the waterproof polymer mortar is preferably 10~15mm, more preferably 12~14mm.
In the present invention, the waterproof polymer mortar preferably includes Polymer cement materials modifying agent, cement and aggregate；It is described poly-
The mass ratio of compound cement waterproofing mortar modifying agent, cement and aggregate is preferably (0.035~0.05):1:(2.4~2.6), more
Preferably (0.04~0.045):1:(2.45~2.55).In the present invention, the cement mortar preferably also includes water, the water
Mass ratio with cement is preferably 0.5~0.7:1, more preferably 0.55~0.65:1, most preferably 0.6:1.
The present invention does not have special restriction to the species of the cement, aggregate and Polymer cement materials modifying agent,
Using commercially available prod well known to those skilled in the art.In the present invention, the aggregate is preferably river sand or aggregate chips；It is described
River sand is preferably middle sand, and the middle sand is 50% sand of the granular mass more than gross mass that particle diameter is more than 0.25mm；The stone
The particle diameter of bits is preferably 0.5~2mm.In an embodiment of the present invention, the Polymer cement materials modifying agent can be specific
Imperial board ZL205 types Polymer cement materials additive is built for what Shenzhen Jin Yuan building technology development corporation, Ltd. produced.
In the present invention, the water content of the basic unit is preferably less than 10%, and more preferably less than 8%.In the present invention,
The cement mortar or waterproof polymer mortar make the surface of wall of external wall smooth and serve as one layer of rigid waterproofing structure；It is excellent
Choosing, when the basic unit includes polymer cement mortar, the active material in waterproof polymer mortar can be blocked due to sand
The hole left after starch, moisture evaporation, makes mortar not produce dry contraction fissure, reaches the property such as water proof anti-seepage and cracking resistance
Energy.
The external wall waterproof construction that the present invention is provided includes the bottom for being arranged at substrate surface, and the bottom includes methyl
Methacrylate resin (MMA) waterproof coating.In the present invention, the thickness of the bottom is preferably 0.3~0.5mm, more preferably
For 0.35~0.45mm.The present invention does not have special limit to the composition of the polymethyl methacrylate resin (MMA) waterproof coating
It is fixed, using polymethyl methacrylate resin well known to those skilled in the art (MMA) water-repellent paint.In the present invention, institute
Polymethyl methacrylate resin waterproof coating is stated, on the one hand concrete, the hole of masonry structure and crack is penetrated into as priming paint, with
Curing reaction, cap holes and crack occur for inner material, and base material is combined closely, and moisture is closed in into inside, can be effective
Prevent investment precoat from producing bubble in painting process, and form together with surface layer secure bond composite water-proof coating；It is another
Aspect is high as water-repellent paint and base adhesive intensity, there is excellent water resistance, preferable toughness and elasticity, and good is resistance to old
Change performance and yellowing resistance, service life is long, solidification is hardly influenceed by moisture, rainy area construction can moistened；It hurry up
Speed solidification easy construction.
The external wall waterproof construction that the present invention is provided includes the surface layer for being arranged at bottom surface, and the surface layer includes polyureas
Elastic body water-proof coating.In the present invention, the thickness of the surface layer is preferably 1.5~1.8mm, more preferably 1.6~1.7mm.
The present invention does not have special restriction to the composition of the SPUA waterproof coating, using well known to those skilled in the art poly-
Urea elastomers water-repellent paint.In the present invention, the pliability of the SPUA waterproof coating collection waterproof roll and anti-
The advantages of easy act of water paint, with excellent water proofing property and extremely strong caking property and green non-pollution；Have
Excellent tensile strength, fracture elongation；Curing rate is very fast, and elevation construction does not hang stream, and once construction can reach design thickness,
It is substantially shorter construction period；Shock resistance, ageing-resistant, puncture-resistant, anti-wear performance are excellent, and be suitable as external wall waterproof layer makes for a long time
With；The strength of materials is controllable, can be saved duration and cost without additional protective layer；Multiple color can be tuned into as needed, met
The aesthetic requirement of different people.
In the present invention, the polymethyl methacrylate resin waterproof coating and polyureas high-elastic waterproof coatings combine are multiple
Waterproof layer is closed, the advantage on two kinds of material properties can be given full play to, both have extremely strong cohesive force, can effectively prevent wall
With the cracking of basic unit；Both have good pliability and elasticity, are a kind of elastic composite waterproof constructions, can effectively solve wall
Or rigid waterproofing coating cracking causes leakage problems.And both have excellent durability, can accomplish wall life cycle management
Waterproof effect；Both form three-decker together with basic unit, interpenetrate fusion, and collective effect reaches more preferable waterproof effect
Really.
Present invention also offers the preparation method of external wall waterproof construction described in above-mentioned technical proposal, including following step
Suddenly：
(1) cement mortar or waterproof polymer mortar are coated in building exterior wall surface, obtains basic unit；
(2) substrate surface obtained in the step (1) coats polymethyl methacrylate resin water-repellent paint, obtains on earth
Layer；
(3) bottom surface obtained in the step (2) coats SPUA water-repellent paint, obtains external wall waterproof
Structure.
The present invention coats cement mortar or waterproof polymer mortar in building exterior wall surface, obtains basic unit.The present invention is to institute
The operation of coating of cement mortar or waterproof polymer mortar is stated without special restriction, using well known to those skilled in the art
Mortar coating method.The present invention is not limited the coated weight of the cement mortar or waterproof polymer mortar, Neng Gouda
To the thickness of required basic unit.
After the completion of coating, the mortar after being coated described in preferred pair of the present invention is dried, and obtains basic unit.In the present invention,
The temperature of the drying is preferably 20~30 DEG C, more preferably 24~26 DEG C, most preferably 25 DEG C；Time is preferably more than 7 days,
More preferably 8~12 days.In the present invention, the drying makes the water content of basic unit reach necessary requirement.In the present invention, it is described
The surface smoothness tolerance of basic unit is 2mm.
Obtain after basic unit, the present invention coats polymethyl methacrylate resin water-repellent paint in the substrate surface, obtains on earth
Layer.The present invention originates without special restriction to the polymethyl methacrylate resin water-repellent paint, using art technology
Commercially available prod known to personnel.In an embodiment of the present invention, the polymethyl methacrylate resin water-repellent paint is preferred
For the Zhengzhou Aug. 1st MMA polymethyl methacrylate resin water-repellent paints that wound chemical products sale Co., Ltd produces in fact.
The present invention, without special restriction, is used to the operation of the coating of the polymethyl methacrylate resin water-repellent paint
The technical scheme of polymethyl methacrylate resin water-repellent paint coating well known to those skilled in the art.In the present invention,
The coating of the polymethyl methacrylate resin water-repellent paint is preferably spraying, roller coat or brushing.In the present invention, the methyl
The application temperature of methacrylate resin water-repellent paint is preferably 5~40 DEG C, more preferably 10~30 DEG C, most preferably 20~25
℃.The present invention does not have special restriction to the coated weight of the polymethyl methacrylate resin water-repellent paint, can obtain described
The polymethyl methacrylate resin waterproof coating of thickness.In the present invention, the polymethyl methacrylate resin waterproof is applied
Expect that coated weight is preferably 0.5~0.7kg/m2, more preferably 0.6kg/m2。
After the completion of the coating of polymethyl methacrylate resin water-repellent paint, the metering system coated described in preferred pair of the present invention
Sour late resin water-repellent paint is dried, and obtains bottom.In the present invention, the temperature of the drying is preferably normal temperature；It is described
The dry time is preferably 5~7h, more preferably 5.5~6.5h.
Obtain after bottom, the present invention coats SPUA water-repellent paint in the bottom surface, obtain external wall and prevent
Water-bound.The present invention originates without special restriction to the SPUA water-repellent paint, using those skilled in the art
Well known commercially available prod.In an embodiment of the present invention, the SPUA water-repellent paint can be specially German Bath
The type polyureas of BASF II of husband's chemical industry (China) Co., Ltd production.
In the present invention, during the coating of the SPUA water-repellent paint, the temperature of the basic unit be preferably 3 DEG C with
On, more preferably 10~30 DEG C, most preferably 20~25 DEG C.In the present invention, the coating of the SPUA water-repellent paint
Preferably repeatedly spraying；The number of times of the spraying is preferably more than 3 times, more preferably 4~6 times.The present invention is to every time spraying
Thickness does not have special restriction, and the thickness needed for final thickness reaches is defined.
SPUA water-repellent paint in spraying can heat release, basic unit's moisture can be produced bulge by thermal evaporation, come off etc. existing
As greatly affected its integral waterproofing effect, polymethyl methacrylate resin coating is first applied to basic unit's table by the present invention first
Face, penetrates into the hole of basal plane structure, and steam therein reacts and solidified, cap holes and crack, is firmly combined with basal plane, and
It is bonded together with surface layer, forms composite water-proof coating.
In order to further illustrate the present invention, with reference to embodiment to the external wall waterproof construction that provides of the present invention and its
Preparation method is described in detail, but they can not be interpreted as into limiting the scope of the present invention.
Embodiment 1:
(1) external wall, which is built by laying bricks or stones or reached after the completion of pouring, can carry out elastic water-proof structure construction after suitable intensity.Apply
Mortar remaining on metope, dirt, dust etc. are cleaned out before work, moistening of being watered from top to bottom with thin conduit, brick wall is wet
Moisten depth 15mm, concrete surface depth of wetted soil 8mm.
(2) basic unit uses cement to be matched with middle sand as 1：3 cement mortar, thickness of always wiping one's face is 18mm, wherein smearing bottom
Mortar thickness is 10mm, float coat mortar 8mm., second day can float coat mortar after bedding mortar is wiped.Base after the completion of construction
Layer mortar surface flatness tolerance is 2mm, flatness inspection is carried out to basic unit with guiding ruler and wedge-shaped feeler gauge, to underproof
Position is handled.Basic unit's mortar flatness, humidity can carry out polymethyl methacrylate resin waterproof layer after the assay was approved, just and apply
Work.
(3) from Zhengzhou, wound chemical products sell Co., Ltd to subbing polymethyl methacrylate resin water-repellent paint in fact
The Aug. 1st MMA polymethyl methacrylate resin water-repellent paints of production.Thickness of dry film is 0.4mm, and consumption is 0.6kg/m2, using roller
Apply form of construction work.Work progress needs even spread, and film is without hole, pin hole or drum；Coating table is checked after the completion of construction in time
Sight situation, is sprayed again to defective spraying area, and the pit-hole larger to basal plane carries out point benefit before brushing investment precoat.First
Base methacrylate resin water-repellent paint drying time, preferably in 6h or so, SPUA water-repellent paint is carried out after doing solid work again
Construction.
(4) investment precoat SPUA water-repellent paint is from German BASF chemical industry (China) Co., Ltd production
The type polyureas of BASF II.Construction thickness is 1.7mm, is sprayed using bi-component HTHP airless spraying equipment.Coating thickness is used
Coating calibrator whole process measurement monitoring, to ensure coating layer thickness and the uniformity.The overall process of spray polyurea, should be continuous, quick complete
Into the weak part such as detail treatment, the angle of cut, unlike material junction need to carry out spraying thick processing.Construction need not be supported specially after terminating
Shield, can do solid work for general ten minutes.If producing bulge, rejecting directly can be repaired after bubbling with polyureas patching material to design thickness
Degree.In subbing and investment precoat work progress staff and neighbouring personnel need to wear eyepiece, it is breathing mask, gloves, anti-
The appliances for labor protection such as shield clothes, and ensure construction environment well-ventilated.
As shown in figure 1, the final external wall waterproof construction that measures includes the basic unit 1 that building exterior wall surface is set gradually, bottom
Layer 2 and surface layer 3；The adhesive strength of the external wall waterproof construction is 3.9MPa；Impermeability (0.6MPa, 2h) is waterproof；It is curved
Phenomenon that is not cracking during folding, peeling off, pliability is good；Elongation at break is 480%.In accelerated aging tests, tensile strength
Conservation rate 87%, elongation at break 440%.The external wall waterproof construction can be used more than 30 years；Selected methyl methacrylate
Ester resin paint and carbamide paint solid content height, organic volatile meet national regulation, meet environmental protection and sustainable development
Requirement.
Embodiment 2:
According to the method for embodiment 1, unlike：Basic unit's mortar uses proportioning for polymer cement waterproof in step (2)
Mortar modifier (powder)：Cement：Sand=0.035：1：2.5.
The final adhesive strength for measuring external wall waterproof construction is 3.95MPa；0.6MPa, 2h are waterproof；During bending not
Phenomenon that is cracking, peeling off, pliability is good；Elongation at break is 475%；In accelerated aging tests, tensile strength is kept
Rate 87%, elongation at break 440%.
Embodiment 3:
According to the method for embodiment 1, unlike：The thickness of step (3) polymethyl methacrylate resin waterproof coating is
0.3mm。
The final adhesive strength for measuring external wall waterproof construction is 3.7MPa；0.5MPa, 2h are waterproof；Do not go out during bending
The phenomenon for now ftractureing, peeling off, pliability is good；Elongation at break is 475%；In accelerated aging tests, stretching strength retentivity
86%, elongation at break 435%.
Embodiment 4:
According to the method for embodiment 1, unlike：Step (4) SPUA coating thickness is 1.5mm.
The final adhesive strength for measuring external wall waterproof construction is 3.7MPa；0.6MPa, 2h are waterproof；Do not go out during bending
The phenomenon for now ftractureing, peeling off, pliability is good；Elongation at break is 465%.In accelerated aging tests, stretching strength retentivity
87%, elongation at break 430%.
Comparative example 1:
According to the method for embodiment 1, unlike embodiment 1：The step in embodiment 1 is not contained in this comparative example
(4), i.e., external wall elastic waterproof construction is the combination of basic unit's mortar and polymethyl methacrylate resin water-repellent paint, not comprising polyureas
Elastomer coatingses.
The final adhesive strength for measuring waterproof construction is 3.9MPa；0.3MPa, 2h are waterproof；Not cracking during bending,
The phenomenon of peeling, pliability is preferable；Elongation at break is 145%；In accelerated aging tests, stretching strength retentivity 85% breaks
Split elongation 120%.Polymethyl methacrylate resin waterproof coating can be used more than 20 years；Organic volatile meets state's domestic discipline and family rules
It is fixed, environmental protection.
Although it is higher with adhesion strength between basic unit that polymethyl methacrylate resin water-repellent paint is used alone, soft
There is gap compared with Example 1 in terms of toughness, ductility, durability.
Comparative example 2:
According to the method for embodiment 1, unlike embodiment 1：The step in embodiment 1 is not contained in this comparative example
(3), i.e., external wall elastic waterproof construction is the combination of basic unit's mortar and SPUA water-repellent paint, not comprising methyl methacrylate
Ester resin water-repellent paint.
The final adhesive strength for measuring elastic water-proof structure is 2.0MPa；0.5MPa, 2h are waterproof；Do not opened during bending
The phenomenon split, peeled off, pliability is good；Elongation at break is 520%.In accelerated aging tests, stretching strength retentivity 88% breaks
Split elongation 455%.Urea elastomers waterproof coating can be used more than 30 years；99% solid content, environmental protection.
Polyureas elastic water proofing paint is used alone and shows excellent in terms of pliability, ductility, impermeability, but in reality
Find that bulge phenomenon, influence and the adhesive effect of basic unit is locally occurring during applying, local painting is may result in when serious
Layer comes off.
The external wall waterproof construction that there is provided of the present invention has excellent soft it can be seen from above example and comparative example
Toughness, ductility, impermeability and cohesive force, endurance quality are good, and material environmental protection is outside a kind of building of excellent performance
Wall waterproof construction.
Described above is only the preferred embodiment of the present invention, not makees any formal limitation to the present invention.Should
Point out, for those skilled in the art, under the premise without departing from the principles of the invention, if can also make
Dry improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of external wall waterproof construction, including it is set in turn in basic unit, bottom and the surface layer of building exterior wall surface；The base
Layer includes cement mortar or waterproof polymer mortar；The bottom includes polymethyl methacrylate resin waterproof coating；The face
Layer includes SPUA waterproof coating.
2. external wall waterproof construction according to claim 1, it is characterised in that the thickness of the cement mortar is 15~
20mm。
3. external wall waterproof construction according to claim 1 or 2, it is characterised in that the cement mortar includes cement
And aggregate；The mass ratio of the cement and aggregate is 1:(2.8~3).
4. external wall waterproof construction according to claim 1, it is characterised in that the thickness of the waterproof polymer mortar
For 10~15mm.
5. the external wall waterproof construction according to claim 1 or 4, it is characterised in that the waterproof polymer mortar bag
Include Polymer cement materials modifying agent, cement and aggregate, the Polymer cement materials modifying agent, cement and aggregate
Mass ratio be (0.035~0.05):1:(2.4~2.6).
6. external wall waterproof construction according to claim 1, it is characterised in that the moisture content of the basic unit be 10% with
Under.
7. external wall waterproof construction according to claim 1, it is characterised in that the thickness of the bottom is 0.3~
0.5mm。
8. external wall waterproof construction according to claim 1, it is characterised in that the thickness of the surface layer is 1.5~
1.8mm。
9. the preparation method of external wall waterproof construction, comprises the following steps described in claim 1~8 any one：
(1) cement mortar or waterproof polymer mortar are coated in building exterior wall surface, obtains basic unit；
(2) substrate surface obtained in the step (1) coats polymethyl methacrylate resin water-repellent paint, obtains bottom；
(3) bottom surface obtained in the step (2) coats SPUA water-repellent paint, obtains external wall waterproof knot
Structure.
10. preparation method according to claim 9, it is characterised in that when being coated in the step (3), the basic unit
Temperature is more than 3 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816140A (en) * | 2017-11-11 | 2018-03-20 | 郑志勇 | A kind of wall construction anti-leakage process |
| CN110668771A (en) * | 2019-10-25 | 2020-01-10 | 常州大学 | Composite material with high impact resistance and compounding method thereof |
| CN111777881A (en) * | 2020-07-17 | 2020-10-16 | 天津佰思特交通科技股份有限公司 | MMA polymer ultra-fast repairing material, preparation method and construction method thereof |
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| CN102991073A (en) * | 2012-12-17 | 2013-03-27 | 广西金雨伞防水装饰有限公司 | Polyolefin composite modified asphalt wet-laid waterproof roll and production method thereof |
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| CN101586381A (en) * | 2008-05-20 | 2009-11-25 | 北京森聚柯高分子材料有限公司 | Waterproof structure and manufacturing method thereof |
| WO2011086555A1 (en) * | 2010-01-13 | 2011-07-21 | Pazkar Ltd. | Two-component water-based polyurethane compositions and coatings |
| CN102627432A (en) * | 2012-04-26 | 2012-08-08 | 昆明滇宝防水建材有限公司 | Modified polymer cement waterproof mortar |
| CN102991073A (en) * | 2012-12-17 | 2013-03-27 | 广西金雨伞防水装饰有限公司 | Polyolefin composite modified asphalt wet-laid waterproof roll and production method thereof |
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| CN107816140A (en) * | 2017-11-11 | 2018-03-20 | 郑志勇 | A kind of wall construction anti-leakage process |
| CN110668771A (en) * | 2019-10-25 | 2020-01-10 | 常州大学 | Composite material with high impact resistance and compounding method thereof |
| CN110668771B (en) * | 2019-10-25 | 2022-03-01 | 常州大学 | Composite material with high impact resistance and compounding method thereof |
| CN111777881A (en) * | 2020-07-17 | 2020-10-16 | 天津佰思特交通科技股份有限公司 | MMA polymer ultra-fast repairing material, preparation method and construction method thereof |
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