CN105780945A - Anti-crack waterproof self-healing film outer wall external heat insulation system and preparing method thereof - Google Patents
Anti-crack waterproof self-healing film outer wall external heat insulation system and preparing method thereof Download PDFInfo
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- CN105780945A CN105780945A CN201610075769.9A CN201610075769A CN105780945A CN 105780945 A CN105780945 A CN 105780945A CN 201610075769 A CN201610075769 A CN 201610075769A CN 105780945 A CN105780945 A CN 105780945A
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- layer
- spontaneous recovery
- thermal insulation
- recovery film
- mortar
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- 238000009413 insulation Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229920000642 polymer Polymers 0.000 claims abstract description 37
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000012190 activator Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 10
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 10
- 239000000654 additive Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims description 61
- 230000002269 spontaneous effect Effects 0.000 claims description 61
- 239000010410 layer Substances 0.000 claims description 58
- 238000005336 cracking Methods 0.000 claims description 54
- 239000000203 mixture Substances 0.000 claims description 31
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 13
- 239000010451 perlite Substances 0.000 claims description 13
- 235000019362 perlite Nutrition 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 11
- 230000001680 brushing effect Effects 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 11
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 10
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 9
- 229920000881 Modified starch Polymers 0.000 claims description 9
- 239000004368 Modified starch Substances 0.000 claims description 9
- 239000011398 Portland cement Substances 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 9
- ZBUWHWOAODZXJB-UHFFFAOYSA-N calcium;methyl hydrogen sulfate Chemical compound [Ca].COS(O)(=O)=O ZBUWHWOAODZXJB-UHFFFAOYSA-N 0.000 claims description 9
- 229920002678 cellulose Polymers 0.000 claims description 9
- 239000001913 cellulose Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 9
- 239000011440 grout Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 235000019426 modified starch Nutrition 0.000 claims description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 229920003086 cellulose ether Polymers 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 6
- 238000005345 coagulation Methods 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000002454 metastable transfer emission spectrometry Methods 0.000 claims description 3
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical group CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 3
- -1 silica modified ethylene-vinyl acetate Chemical class 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 229910021485 fumed silica Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000023753 dehiscence Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses an anti-crack waterproof self-healing film outer wall external heat insulation system and a preparing method thereof. A heat insulation layer is of a multi-layer structure, and an inner self-healing film layer, a modified inorganic heat insulation mortar layer, a polymer anti-crack mortar layer and a veneer layer which are closely attached in sequence are arranged from inside to outside. An alkali-resisting gridding cloth layer and an outer self-healing film layer are sandwiched in the polymer anti-crack mortar layer. The outer self-healing film layer is arranged on the outer side of the alkali-resisting gridding cloth layer. A self-healing film comprises activated silica modified acrylic resin, silica modified ethylene-vinyl acetate resin, dibutyl phthalate, an alkali activator, active fumed silica, waterborne additives, water and the like. The invention further discloses the preparing method of the anti-crack waterproof self-healing film outer wall external heat insulation system. According to the anti-crack waterproof self-healing film outer wall external heat insulation system and the preparing method thereof provided by the invention, the functions of water resistance and heat insulation are integrated, the anti-crack performance of the system can be greatly improved, and the problem that inorganic heat insulation mortar is prone to sucking water at present is solved.
Description
Technical field
The present invention relates to a kind of building heat insulation system collecting thermal-insulating waterproof integration and preparation method thereof, in particular it relates to a kind of anti-cracking waterproof spontaneous recovery film external thermal insulation system and preparation method thereof.
Background technology
At present, existing inorganic mortar exterior wall outer heat preservation system is by the ingredient that the expanded perlite very easily absorbed water, glass bead etc. are main insulation material.Owing to perlite water absorption is higher, after water suction, heat conductivity strengthens, and heat-insulating property sharply declines；And owing to substantial amounts of moisture is present in the perlite constituting heat-insulation layer, when winter temperature drops to below zero degrees celsius, freeze, produce abnormal expansion, make thermal insulation dehiscence, time serious produce come off, drastically influence external thermal insulation system safety and service life.
Summary of the invention
It is an object of the invention to provide a kind of external thermal insulation system for building and preparation method thereof, this heat-insulation system collection waterproof, heat insulation integrated, it is possible to the cracking resistance of system to be greatly enhanced, solves the difficult problem that current inorganic heat insulation mortar is hygroscopic.
In order to achieve the above object, the invention provides a kind of anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, this heat-insulation system comprises heat-insulation layer；Described heat-insulation layer is multiple structure, is respectively equipped with that the spontaneous recovery film inner layer be close to successively, modified inorganic be heat-insulation mortar bed, polymers anti-cracking mortar layer from inside to outside, and finish coat.
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, is also gripped with alkaline-resisting scrim layer and spontaneous recovery film outer layer in described polymers anti-cracking mortar layer；Described spontaneous recovery film outer layer is arranged on outside alkaline-resisting scrim layer.
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, described heat-insulation layer is arranged on outside external wall.
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, described spontaneous recovery film, its composition comprises: the modified acrylic resin of activated silica, Si modification ethylene vinyl acetate resin, dibutyl phthalate, alkali-activator, activity aerosil, aqueous promoter, and water etc..
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, described spontaneous recovery film, its composition is counted by weight, comprises: the acrylic resin modified 10-12 part of activated silica, Si modification ethylene vinyl acetate resin 12-15 part, dibutyl phthalate 3-5 part, alkali-activator 0.5-2 part, activity aerosil 0.5-2 part, aqueous promoter 1-2 part, and water 5-15 part；Described aqueous promoter is MTES.
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system; wherein; described modified inorganic thermal insulation mortar, its composition comprises: glass bead, perlite, Ludox, sodium methyl silicate, inorganic coagulation material, flyash, dispersible polymer rubber powder, and modified cellulose ethers etc..
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system; wherein, described modified inorganic thermal insulation mortar, its composition is counted by weight; comprise: glass bead 20-23 part; perlite 11-13 part, Ludox 0.5-1 part, sodium methyl silicate 1-5 part; inorganic coagulation material 32-40 part; flyash 7-10 part, dispersible polymer rubber powder 3-2.5 part, and modified cellulose ethers 0.5-3.5 part.
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, described polymers anti-cracking mortar, its composition comprises: R type portland cement, quartz sand, dispersible polymer rubber powder, modified starch ether, cellulose, methylsulfuric acid calcium, alkali-activator, and activated silica additive etc..
Above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, described polymers anti-cracking mortar, its composition is counted by weight, comprise: R type portland cement 30-35 part, quartz sand 60-65 part, dispersible polymer rubber powder 2-3 part, modified starch ether 0.1-0.2 part, cellulose 0.2-0.5 part, methylsulfuric acid calcium 0.1-0.5 part, alkali-activator 1-1.5 part, and activated silica additive 1-5 part.
The preparation method that present invention also offers a kind of above-mentioned anti-cracking waterproof spontaneous recovery film external thermal insulation system, wherein, described method comprises: step 1, configuration spontaneous recovery film: weigh each composition by proportioning, the water weighed is added in reactor, it is sequentially added into the acrylic resin of Si modification, Si modification ethylene vinyl acetate resin, dibutyl phthalate while stirring, activity aerosil is added after stirring 15 minutes, it is uniformly dispersed, alkali-activator and aqueous promoter is finally added in thread mode, continue stirring 1 hour after discharging, obtain from film material；Step 2; configuration modified inorganic thermal insulation mortar: weigh each composition by proportioning; the perlite weighed and glass bead are sprayed into Ludox, sodium methyl silicate while stirring in twin-shaft mixer; add all the other compositions, stir 30 minutes, then heat and make the interlayer temperature of twin-shaft mixer reach 120 DEG C; react 1 hour; then it is cooled to 80 DEG C so that it is dried discharging, obtains modified inorganic thermal insulation mortar；Step 3, configures polymers anti-cracking mortar: configured by agravic mix system；Be separately added into after Agravicmixer starts weigh by proportioning R type portland cement, quartz sand, dispersible polymer rubber powder, modified starch ether, cellulose, methylsulfuric acid calcium, alkali-activator, activated silica additive, mix discharging in 30 minutes, obtain polymers anti-cracking mortar；Step 4, brushing: brush one layer of spontaneous recovery film on the concrete base layer outside external wall, again through two to three secondary clearing brushing modified inorganic thermal insulation mortars, the thickness making modified inorganic thermal insulation mortar reaches 4-6cm, then one layer of polymeric anticracking grout is smeared, be pressed into one layer of alkaline-resisting grid cloth to strengthen, more successively brushing one layer of polymeric anticracking grout, one layer of spontaneous recovery film, one layer of polymeric anticracking grout, finish coat is finally installed.
Anti-cracking waterproof spontaneous recovery film external thermal insulation system provided by the invention and preparation method thereof has the advantage that
The anti-external thermal insulation system of collection thermal-insulating waterproof provided by the invention integration, heat-insulation layer is made up of spontaneous recovery film, modified inorganic thermal insulation mortar, polymers anti-cracking mortar, alkaline-resisting grid cloth and finish coat.Wherein spontaneous recovery film has good elasticity, it is suitable for the crack that basic unit's deformation produces, there is certain self-healing function, processing basic unit with spontaneous recovery film can prevent the dampness of basic unit from entering heat-insulation layer, the effect of interfacial agents can be played simultaneously, adding the caking property of heat-insulation layer and body of wall, in the surface layer of heat insulation system, the spontaneous recovery film of brushing can play anti-cracking waterproof effect, greatly strengthen the anti-cracking waterproof performance of system.Have employed Ludox, sodium methyl silicate to the hygroscopic Main Ingredients and Appearance perlite of heat-insulation layer, glass bead simultaneously; carry out water-repellent modified; make it have fabulous hydrophobicity, make the water proofing property of whole heat-insulation system be greatly improved, solve the difficult problem that current inorganic heat insulation mortar is hygroscopic.
Accompanying drawing explanation
Fig. 1 is the anti-cracking waterproof spontaneous recovery film external thermal insulation system structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
Anti-cracking waterproof spontaneous recovery film external thermal insulation system provided by the invention, comprises heat-insulation layer.
As it is shown in figure 1, this heat-insulation layer is arranged on outside external wall 7.This heat-insulation layer is multiple structure, is respectively equipped with that the spontaneous recovery film inner layer 1 be close to successively, modified inorganic be heat-insulation mortar bed 2, polymers anti-cracking mortar layer 3 from inside to outside, and finish coat 6.
Alkaline-resisting scrim layer 4 and spontaneous recovery film outer layer 5 also it is gripped with in polymers anti-cracking mortar layer 3；Spontaneous recovery film outer layer 5 is arranged on outside alkaline-resisting scrim layer 4.Alkaline-resisting grid cloth is preferably alkali resistant glass fibre open weave cloth, and alkaline-resisting coating is coated on glass fiber reticular cloth, contains zirconium oxide 0 ~ 15%, titanium oxide 0 ~ 6% in it by mass percentage.
Spontaneous recovery film component comprises: the modified acrylic resin of activated silica, Si modification ethylene vinyl acetate resin, dibutyl phthalate, alkali-activator, activity aerosil, aqueous promoter, and water etc..
Spontaneous recovery film component is counted by weight, preferably comprise: the acrylic resin modified 10-12 part of activated silica, Si modification ethylene vinyl acetate resin 12-15 part, dibutyl phthalate 3-5 part, alkali-activator 0.5-2 part, activity aerosil 0.5-2 part, aqueous promoter 1-2 part, and water 5-15 part；This aqueous promoter is preferably MTES.
Modified inorganic thermal insulation mortar composition comprises: glass bead, perlite, Ludox, sodium methyl silicate, inorganic coagulation material, flyash, dispersible polymer rubber powder, and modified cellulose ethers etc..
Modified inorganic thermal insulation mortar; composition is counted by weight; preferably comprise: glass bead 20-23 part; perlite 11-13 part, Ludox 0.5-1 part, sodium methyl silicate 1-5 part; inorganic coagulation material 32-40 part; flyash 7-10 part, dispersible polymer rubber powder 3-2.5 part, and modified cellulose ethers 0.5-3.5 part.
Polymers anti-cracking mortar composition comprises: R type portland cement, quartz sand, dispersible polymer rubber powder, modified starch ether, cellulose, methylsulfuric acid calcium, alkali-activator, and activated silica additive etc..
Polymers anti-cracking mortar composition is counted by weight, preferably comprise: R type portland cement 30-35 part, quartz sand 60-65 part, dispersible polymer rubber powder 2-3 part, modified starch ether 0.1-0.2 part, cellulose 0.2-0.5 part, methylsulfuric acid calcium 0.1-0.5 part, alkali-activator 1-1.5 part, and activated silica additive 1-5 part.
The preparation method that present invention also offers this anti-cracking waterproof spontaneous recovery film external thermal insulation system, it comprises:
Step 1, configuration spontaneous recovery film: weigh each composition by proportioning, the water weighed is added in reactor, it is sequentially added into the acrylic resin of Si modification, Si modification ethylene vinyl acetate resin, dibutyl phthalate while stirring, add activity aerosil after stirring 15 minutes, be uniformly dispersed, finally add alkali-activator and aqueous promoter in thread mode, continue stirring 1 hour after discharging, obtain from film material.
Step 2; configuration modified inorganic thermal insulation mortar: weigh each composition by proportioning; the perlite weighed and glass bead are sprayed into Ludox, sodium methyl silicate while stirring in twin-shaft mixer; add all the other compositions, stir 30 minutes, then heat and make the interlayer temperature of twin-shaft mixer reach 120 DEG C; react 1 hour; then it is cooled to 80 DEG C so that it is dried discharging, obtains modified inorganic thermal insulation mortar.
Step 3, configures polymers anti-cracking mortar: configured by agravic mix system；Be separately added into after Agravicmixer starts weigh by proportioning R type portland cement, quartz sand, dispersible polymer rubber powder, modified starch ether, cellulose, methylsulfuric acid calcium, alkali-activator, activated silica additive, mix discharging in 30 minutes, obtain polymers anti-cracking mortar.
Step 4, brushing: brush one layer of spontaneous recovery film on the concrete base layer outside external wall 7, again through two to three secondary clearing brushing modified inorganic thermal insulation mortars, the thickness making modified inorganic thermal insulation mortar reaches 4-6cm, then one layer of polymeric anticracking grout is smeared, be pressed into one layer of alkaline-resisting grid cloth to strengthen, more successively brushing one layer of polymeric anticracking grout, one layer of spontaneous recovery film, one layer of polymeric anticracking grout, finally install finish coat 6.
Below in conjunction with embodiment, the present invention is further described.
The proportioning of embodiment 1 ~ 3 is as shown in table 1.
Table 1. spontaneous recovery film, modified inorganic thermal insulation mortar, and each components by weight of polymers anti-cracking mortar.
The performance test data of the anti-cracking waterproof spontaneous recovery film external thermal insulation system of embodiment 1 ~ embodiment 3 is as shown in table 2.
Table 2. anti-cracking waterproof spontaneous recovery film external thermal insulation system performance test data.
Anti-cracking waterproof spontaneous recovery film external thermal insulation system provided by the invention and preparation method thereof, wherein spontaneous recovery film has good elasticity, it is suitable for the crack that basic unit's deformation produces, there is certain self-healing function, processing basic unit with spontaneous recovery film can prevent the dampness of basic unit from entering heat-insulation layer, can play the effect of interfacial agents simultaneously, add the caking property of heat-insulation layer and body of wall, the once spontaneous recovery film of the surface layer brushing of heat insulation system can play anti-cracking waterproof effect, greatly strengthen the anti-cracking waterproof performance of system.Modified inorganic thermal insulation mortar is to be made its water absorption rate be substantially reduced by special process is modified and has certain hydrophobicity, thus improve heat-insulating property and water resistance.
Although present disclosure has been made to be discussed in detail already by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. an anti-cracking waterproof spontaneous recovery film external thermal insulation system, it is characterised in that this heat-insulation system comprises heat-insulation layer；Described heat-insulation layer is multiple structure, be respectively equipped with from inside to outside be close to successively spontaneous recovery film inner layer (1), modified inorganic heat-insulation mortar bed (2), polymers anti-cracking mortar layer (3), and finish coat (6).
2. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 1, it is characterised in that be also gripped with alkaline-resisting scrim layer (4) and spontaneous recovery film outer layer (5) in described polymers anti-cracking mortar layer (3)；Described spontaneous recovery film outer layer (5) is arranged on alkaline-resisting scrim layer (4) outside.
3. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 1, it is characterised in that described heat-insulation layer is arranged on external wall (7) outside.
4. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 1, it is characterized in that, described spontaneous recovery film, its composition comprises: the modified acrylic resin of activated silica, Si modification ethylene vinyl acetate resin, dibutyl phthalate, alkali-activator, activity aerosil, aqueous promoter, Yi Jishui.
5. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 4, it is characterised in that described spontaneous recovery film, its composition is counted by weight, comprises:
The acrylic resin modified 10-12 part of activated silica, Si modification ethylene vinyl acetate resin 12-15 part, dibutyl phthalate 3-5 part, alkali-activator 0.5-2 part, activity aerosil 0.5-2 part, aqueous promoter 1-2 part, and water 5-15 part；
Described aqueous promoter is MTES.
6. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 1; it is characterized in that; described modified inorganic thermal insulation mortar; its composition comprises: glass bead, perlite, Ludox, sodium methyl silicate, inorganic coagulation material, flyash, dispersible polymer rubber powder, and modified cellulose ethers.
7. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 6, it is characterised in that described modified inorganic thermal insulation mortar, its composition is counted by weight, comprises:
Glass bead 20-23 part, perlite 11-13 part, Ludox 0.5-1 part, sodium methyl silicate 1-5 part, inorganic coagulation material 32-40 part, flyash 7-10 part, dispersible polymer rubber powder 3-2.5 part, and modified cellulose ethers 0.5-3.5 part.
8. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 1, it is characterised in that described polymers anti-cracking mortar, its composition comprises:
R type portland cement, quartz sand, dispersible polymer rubber powder, modified starch ether, cellulose, methylsulfuric acid calcium, alkali-activator, and activated silica additive.
9. anti-cracking waterproof spontaneous recovery film external thermal insulation system as claimed in claim 8, it is characterised in that described polymers anti-cracking mortar, its composition is counted by weight, comprises:
R type portland cement 30-35 part, quartz sand 60-65 part, dispersible polymer rubber powder 2-3 part, modified starch ether 0.1-0.2 part, cellulose 0.2-0.5 part, methylsulfuric acid calcium 0.1-0.5 part, alkali-activator 1-1.5 part, and activated silica additive 1-5 part.
10. the preparation method of the anti-cracking waterproof spontaneous recovery film external thermal insulation system as described in any one in claim 1 ~ 9, it is characterised in that described method comprises:
Step 1, configuration spontaneous recovery film: weigh each composition by proportioning, the water weighed is added in reactor, it is sequentially added into the acrylic resin of Si modification, Si modification ethylene vinyl acetate resin, dibutyl phthalate while stirring, add activity aerosil after stirring 15 minutes, be uniformly dispersed, finally add alkali-activator and aqueous promoter in thread mode, continue stirring 1 hour after discharging, obtain from film material；
Step 2; configuration modified inorganic thermal insulation mortar: weigh each composition by proportioning; the perlite weighed and glass bead are sprayed into Ludox, sodium methyl silicate while stirring in twin-shaft mixer; add all the other compositions, stir 30 minutes, then heat and make the interlayer temperature of twin-shaft mixer reach 120 DEG C; react 1 hour; then it is cooled to 80 DEG C so that it is dried discharging, obtains modified inorganic thermal insulation mortar；
Step 3, configures polymers anti-cracking mortar: configured by agravic mix system；Be separately added into after Agravicmixer starts weigh by proportioning R type portland cement, quartz sand, dispersible polymer rubber powder, modified starch ether, cellulose, methylsulfuric acid calcium, alkali-activator, activated silica additive, mix discharging in 30 minutes, obtain polymers anti-cracking mortar；
Step 4, brushing: brush one layer of spontaneous recovery film on the concrete base layer outside external wall 7, again through two to three secondary clearing brushing modified inorganic thermal insulation mortars, then one layer of polymeric anticracking grout is smeared, it is pressed into one layer of alkaline-resisting grid cloth to strengthen, again successively brushing one layer of polymeric anticracking grout, one layer of spontaneous recovery film, one layer of polymeric anticracking grout, finish coat (6) is finally installed.
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| CN114560674A (en) * | 2022-03-21 | 2022-05-31 | 望奎县佳兴保温材料有限公司 | Composite thermal insulation material and preparation method and application thereof |
| US11429195B2 (en) | 2017-07-06 | 2022-08-30 | Hewlett-Packard Development Company, L.P. | Self-healing keyboards |
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