CN108249868A - Thermal insulation mortar for building - Google Patents
Thermal insulation mortar for building Download PDFInfo
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- CN108249868A CN108249868A CN201810370932.3A CN201810370932A CN108249868A CN 108249868 A CN108249868 A CN 108249868A CN 201810370932 A CN201810370932 A CN 201810370932A CN 108249868 A CN108249868 A CN 108249868A
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- building
- insulation mortar
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- 238000009413 insulation Methods 0.000 title claims abstract description 66
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 44
- 239000000835 fiber Substances 0.000 claims abstract description 37
- 229910052599 brucite Inorganic materials 0.000 claims abstract description 36
- 238000004321 preservation Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920013818 hydroxypropyl guar gum Polymers 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 8
- 239000010883 coal ash Substances 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- 239000000047 product Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 11
- 239000006228 supernatant Substances 0.000 claims description 11
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 9
- 235000019441 ethanol Nutrition 0.000 claims description 9
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 9
- 239000008117 stearic acid Substances 0.000 claims description 9
- 229940044172 calcium formate Drugs 0.000 claims description 8
- 235000019255 calcium formate Nutrition 0.000 claims description 8
- 239000004281 calcium formate Substances 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 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 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011398 Portland cement Substances 0.000 claims description 4
- 229910001607 magnesium mineral Inorganic materials 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical group [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000011449 brick Substances 0.000 abstract description 6
- 239000004567 concrete Substances 0.000 abstract description 6
- 239000010453 quartz Substances 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000011451 fired brick Substances 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000003469 silicate cement Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 206010013786 Dry skin Diseases 0.000 description 4
- 229920005822 acrylic binder Polymers 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of thermal insulation mortar for building, including following raw materials：410 440 parts by weight of cement, 320 350 parts by weight quartz sands, 5 20 parts by weight hydroxypropyl guar gum, 30 60 parts by weight polymer additives, 4 10 parts by weight neopelexes, 30 50 parts by weight brucite fibers, 0.01 0.1 parts by weight early strength agent, 10 20 weight parts of fine coal ash, 150 550 parts by weight water.The thermal insulation mortar for building of the present invention, with excellent thermal and insulating performance, the performances such as adhesion strength, compression strength, weatherability, waterproof be mould proof, anticracking, impact resistance, it is adapted to the armored concrete of multilayer structure, air entrained concrete, lays bricks, the external thermal insulation plastering engineering of walls and the inside holding plastering engineering such as fired brick and no-firing brick, it is also very applicable for the heat preservation improvement project of current all kinds of old buildings.
Description
Technical field
The present invention relates to a kind of construction materials, and in particular to a kind of thermal insulation mortar for building.
Background technology
Thermal insulation mortar is using various light materials as aggregate, using cement as gelating material, some property-modifying additives is admixed, through life
Production enterprise is stirred and a kind of manufactured premixing dry powder and mortar.For constructing a kind of construction material of building insulating layer.
The fire prevention of inorganic heat insulation mortar material heat-insulation system is not burnt.It can be widely used for intensive house, public building, large-scale public field
Institute, combustible and explosive area, the stringent place to fire protection requirement.Isolation belt construction of setting fire is alternatively arranged as, improves building fire protection standard.
However, there are the bad technological deficiencies of strength character for prior art thermal insulation mortar.
Invention content
For disadvantages mentioned above of the existing technology, the present invention adopts the following technical scheme that：
A kind of thermal insulation mortar for building, including following raw materials：410-440 parts by weight of cement, 320-350 parts by weight quartz
Sand, 5-20 parts by weight hydroxypropyl guar gum, 30-60 parts by weight polymer additive, 4-10 parts by weight neopelex,
The part by weight modified brucite fibers of 30-50,0.01-0.1 parts by weight early strength agent, 10-20 weight parts of fine coal ash, 150-550 weight
Part water.
The cement is portland cement.
The early strength agent is lithium carbonate or calcium formate.
The modified brucite fiber, is prepared using following methods：Brucite fiber, aluminum sulfate are added to the water,
The brucite fiber, aluminum sulfate, water mass ratio be 1：(0.01-0.05)：(3-8) is stirred, and separation will precipitate drying；It will
Desciccate is calcined to obtain calcined product；It is 1 in mass ratio by calcined product, stearic acid, ethyl alcohol：(0.03-0.07)：(4-6)
Mixing, heating stirring, separation take precipitation drying, obtain the modified brucite fiber.
Preferably, the modified brucite fiber, is prepared using following methods：Brucite fiber, aluminum sulfate are added
Enter in water, the brucite fiber, aluminum sulfate, water mass ratio be 1：(0.01-0.05)：(3-8), is heated to 60-80 DEG C, with
The rotating speed stirring 1-2h of 100-400r/min, centrifuges, abandons supernatant, take and be deposited in 80-110 DEG C of dry 15-25h, obtain
Desciccate；Desciccate is heated to 400-450 DEG C with 5-15 DEG C of heating rate under nitrogen atmosphere, heat preservation calcining 1-
3h, subsequent cooled to room temperature, obtains calcined product；It is 1 in mass ratio by calcined product, stearic acid, ethyl alcohol：(0.03-
0.07)：(4-6) is mixed, and is heated to 70-80 DEG C, is stirred 1-2h with the rotating speed of 100-400r/min, is centrifuged, abandon supernatant,
It takes and is deposited in 80-110 DEG C of dry 15-25h, obtain the modified brucite fiber.
The polymeric additive is acrylic adhesives and/or epoxy resin latex.In some embodiment party of the invention
In formula, the polymeric additive is (2-3) in mass ratio by acrylic adhesives, epoxy resin latex：1 composition.
The thermal insulation mortar for building of the present invention has excellent thermal and insulating performance, adhesion strength, compression strength, weather-proof
The performances such as property, waterproof are mould proof, anticracking, impact resistance, be adapted to the armored concrete of multilayer structure, air entrained concrete,
It lays bricks, the external thermal insulation plastering engineering of walls and the inside holding plastering engineering such as fired brick and no-firing brick, for current all kinds of old
The heat preservation improvement project of building is also very applicable.
Specific embodiment
Thermal insulation mortar tensile bond strength for building：According to DB31/T366-2006's《Exterior-wall heat insulation dedicated mortar technology
It is required that >=experimental method be detected.
Thermal insulation mortar anti-freezing property test for building：According to the Master's thesis of Yang Shaolong《XPS thermal insulation boards are bonded with structure sheaf
The test method of performance test research >=middle 4.2.4 carries out, and thermal insulation board is XPS extruded sheets, by Shanghai Bei You building materials Co., Ltd
It provides, specification is 1.8 meters × 0.6 meter × 3 centimetres, and grade is fire-retardant B1 grades.
Portland cement in embodiment, the P.O 42.5R portland cements produced using Shandong Shan Lv Cement Co., Ltds.
Acrylic adhesives are according to application No. is real in the Chinese patent of application number 201510052117.9 in embodiment
Apply the preparation of method shown in example 1.
Quartz sand in embodiment is provided by Lingshou County Wo Yang mineral products processings factory, and granularity is 100-120 mesh.
Thermal insulation board is XPS extruded sheets in embodiment, is provided by Shanghai Bei You building materials Co., Ltd, and specification is 1.8 meters × 0.6
Rice × 3 centimetres, grade are fire-retardant B1 grades.
Neopelex in embodiment, No. CAS：25155-30-0.
Calcium formate in embodiment, No. CAS：544-17-2.
Flyash is the level-one flyash that Lingshou County Lan Xiang mineral products processings factory provides in embodiment, and granularity is 200 mesh.
Aluminum sulfate in embodiment, No. CAS：10043-01-3.
Stearic acid in embodiment, No. CAS：57-11-4.
Ethyl alcohol in embodiment, No. CAS：64-17-5.
Hydroxypropyl guar gum in embodiment is provided by Renqiu City Hai Ge Chemical Co., Ltd.s, and rank is technical grade.
Brucite fiber is the level-one brucite fiber that Hebei Ke Xu building materials Co., Ltd provides in embodiment.
Embodiment epoxy resin lotion is according to shown in embodiment in the Chinese patent application No. is 201210479503.2 3
It is prepared by method.
Embodiment 1
Thermal insulation board environmental protection construction method, includes the following steps：
A. basal plane is handled：
The sundries on basal plane is removed, the part of hole or significant depressions with putty is repaired, then uses abrasive machine
Position after apparent protrusion part and repairing is polishing to the 1mm/2m that meets the requirements；
B. thermal insulation mortar for building is prepared：
By 430 parts by weight silicate cement, 330 parts by weight quartz sands, 10 parts by weight hydroxypropyl guar gum, 42 parts by weight third
Alkene acrylic binder, 6 parts by weight neopelexes, 40 parts by weight brucite fibers, 0.02 parts by weight calcium formate, 15 weights
Amount part flyash stirs 10min as 150r/min using rotating speed and is uniformly mixed, then stirred with 300 parts by weight water by 150r/min of rotating speed
10min is mixed to be uniformly mixed up to thermal insulation mortar for building；
C. sticking heat-preservation plate：
Vertical reference line steel wire, each floor appropriate location are hung at external wall angle (external corner, inner corner trim) and other necessity
Horizontal line is hung, to control the verticality of thermal insulation board and flatness；Using full bonding, thermal insulation mortar for building is scraped with tooth form trowel
It is put in heat preservation back, then sticks at wall, coating weight 4.5kg/m of the thermal insulation mortar for building in heat preservation back2, protect
Warm plate should be pasted by facing bond mode, perps should the fissure of displacement line by line, heat preservation plate face should be smooth, and adjacent thermal insulation board does not lead to when pasting
Seam.
Embodiment 2
Thermal insulation board environmental protection construction method, includes the following steps：
A. basal plane is handled：
The sundries on basal plane is removed, the part of hole or significant depressions with putty is repaired, then uses abrasive machine
Position after apparent protrusion part and repairing is polishing to the 1mm/2m that meets the requirements；
B. thermal insulation mortar for building is prepared：
By 430 parts by weight silicate cement, 330 parts by weight quartz sands, 10 parts by weight hydroxypropyl guar gum, 42 parts by weight third
Alkene acrylic binder, 6 parts by weight neopelexes, 40 part by weight modified brucite fibers, 0.02 parts by weight calcium formate,
15 weight parts of fine coal ashes stir 10min as 150r/min using rotating speed and are uniformly mixed, then with 300 parts by weight water using rotating speed as 150r/
Min stirrings 10min is uniformly mixed up to thermal insulation mortar for building；
The preparation method of the modified brucite fiber is as follows：Brucite fiber, aluminum sulfate are added to the water, the water magnesium
Mineral wool, aluminum sulfate, water mass ratio be 1：0.025：4,70 DEG C are heated to, 1.5h is stirred with the rotating speed of 300r/min, then
20min is centrifuged by 6000r/min of rotating speed, supernatant is abandoned, takes and be deposited in 100 DEG C of dryings for 24 hours, obtain desciccate；It will
Desciccate is heated to 430 DEG C with 10 DEG C of heating rate under nitrogen atmosphere, and heat preservation calcining 2h then naturally cools to room
Temperature obtains calcined product；It is 1 in mass ratio by calcined product, stearic acid, ethyl alcohol：0.05：5 mixing, are heated to 75 DEG C, with
The rotating speed stirring 1h of 300r/min, then centrifuges 20min by 6000r/min of rotating speed, abandons supernatant, take and be deposited in 90 DEG C
Drying for 24 hours, obtains modified brucite fiber；
C. sticking heat-preservation plate：
Vertical reference line steel wire, each floor appropriate location are hung at external wall angle (external corner, inner corner trim) and other necessity
Horizontal line is hung, to control the verticality of thermal insulation board and flatness；Using full bonding, thermal insulation mortar for building is scraped with tooth form trowel
It is put in heat preservation back, then sticks at wall, coating weight 4.5kg/m of the thermal insulation mortar for building in heat preservation back2, protect
Warm plate should be pasted by facing bond mode, perps should the fissure of displacement line by line, heat preservation plate face should be smooth, and adjacent thermal insulation board does not lead to when pasting
Seam.
Embodiment 3
Thermal insulation board environmental protection construction method, includes the following steps：
A. basal plane is handled：
The sundries on basal plane is removed, the part of hole or significant depressions with putty is repaired, then uses abrasive machine
Position after apparent protrusion part and repairing is polishing to the 1mm/2m that meets the requirements；
B. thermal insulation mortar for building is prepared：
By 430 parts by weight silicate cement, 330 parts by weight quartz sands, 10 parts by weight hydroxypropyl guar gum, 42 parts by weight third
Alkene acrylic binder, 6 parts by weight neopelexes, 40 part by weight modified brucite fibers, 0.02 parts by weight calcium formate,
15 weight parts of fine coal ashes stir 10min as 150r/min using rotating speed and are uniformly mixed, then with 300 parts by weight water using rotating speed as 150r/
Min stirrings 10min is uniformly mixed up to thermal insulation mortar for building；
The preparation method of the modified brucite fiber is as follows：By brucite fiber under nitrogen atmosphere with 10 DEG C of heating
Rate is heated to 430 DEG C, and heat preservation calcining 2h, subsequent cooled to room temperature obtains calcined product；By calcined product, stearic acid,
Ethyl alcohol is 1 in mass ratio：0.05：5 mixing, are heated to 75 DEG C, and 1h is stirred with the rotating speed of 300r/min, then using rotating speed as
6000r/min centrifuges 20min, abandons supernatant, takes and be deposited in 90 DEG C of dryings for 24 hours, obtains modified brucite fiber；
C. sticking heat-preservation plate：
Vertical reference line steel wire, each floor appropriate location are hung at external wall angle (external corner, inner corner trim) and other necessity
Horizontal line is hung, to control the verticality of thermal insulation board and flatness；Using full bonding, thermal insulation mortar for building is scraped with tooth form trowel
It is put in heat preservation back, then sticks at wall, coating weight 4.5kg/m of the thermal insulation mortar for building in heat preservation back2, protect
Warm plate should be pasted by facing bond mode, perps should the fissure of displacement line by line, heat preservation plate face should be smooth, and adjacent thermal insulation board does not lead to when pasting
Seam.
Embodiment 4
Thermal insulation board environmental protection construction method, includes the following steps：
A. basal plane is handled：
The sundries on basal plane is removed, the part of hole or significant depressions with putty is repaired, then uses abrasive machine
Position after apparent protrusion part and repairing is polishing to the 1mm/2m that meets the requirements；
B. thermal insulation mortar for building is prepared：
By 430 parts by weight silicate cement, 330 parts by weight quartz sands, 10 parts by weight hydroxypropyl guar gum, 42 parts by weight rings
Oxygen resin emulsion, 6 parts by weight neopelexes, 40 part by weight modified brucite fibers, 0.02 parts by weight calcium formate, 15
Weight parts of fine coal ash stirs 10min as 150r/min using rotating speed and is uniformly mixed, then with 300 parts by weight water using rotating speed as 150r/min
Stirring 10min is uniformly mixed up to thermal insulation mortar for building；
The preparation method of the modified brucite fiber is as follows：Brucite fiber, aluminum sulfate are added to the water, the water magnesium
Mineral wool, aluminum sulfate, water mass ratio be 1：0.025：4,70 DEG C are heated to, 1.5h is stirred with the rotating speed of 300r/min, then
20min is centrifuged by 6000r/min of rotating speed, supernatant is abandoned, takes and be deposited in 100 DEG C of dryings for 24 hours, obtain desciccate；It will
Desciccate is heated to 430 DEG C with 10 DEG C of heating rate under nitrogen atmosphere, and heat preservation calcining 2h then naturally cools to room
Temperature obtains calcined product；It is 1 in mass ratio by calcined product, stearic acid, ethyl alcohol：0.05：5 mixing, are heated to 75 DEG C, with
The rotating speed stirring 1h of 300r/min, then centrifuges 20min by 6000r/min of rotating speed, abandons supernatant, take and be deposited in 90 DEG C
Drying for 24 hours, obtains modified brucite fiber；
C. sticking heat-preservation plate：
Vertical reference line steel wire, each floor appropriate location are hung at external wall angle (external corner, inner corner trim) and other necessity
Horizontal line is hung, to control the verticality of thermal insulation board and flatness；Using full bonding, thermal insulation mortar for building is scraped with tooth form trowel
It is put in heat preservation back, then sticks at wall, coating weight 4.5kg/m of the thermal insulation mortar for building in heat preservation back2, protect
Warm plate should be pasted by facing bond mode, perps should the fissure of displacement line by line, heat preservation plate face should be smooth, and adjacent thermal insulation board does not lead to when pasting
Seam.
Embodiment 5
Thermal insulation board environmental protection construction method, includes the following steps：
A. basal plane is handled：
The sundries on basal plane is removed, the part of hole or significant depressions with putty is repaired, then uses abrasive machine
Position after apparent protrusion part and repairing is polishing to the 1mm/2m that meets the requirements；
B. thermal insulation mortar for building is prepared：
By 430 parts by weight silicate cement, 330 parts by weight quartz sands, 10 parts by weight hydroxypropyl guar gum, 28 parts by weight third
Alkene acrylic binder, 14 parts by weight epoxy resin lotions, 6 parts by weight neopelexes, 40 part by weight modified shepardites
Fiber, 0.02 parts by weight calcium formate, 15 weight parts of fine coal ashes stir 10min as 150r/min using rotating speed and are uniformly mixed, then with 300
Parts by weight water stirs 10min as 150r/min using rotating speed and is uniformly mixed up to thermal insulation mortar for building；
The preparation method of the modified brucite fiber is as follows：Brucite fiber, aluminum sulfate are added to the water, the water magnesium
Mineral wool, aluminum sulfate, water mass ratio be 1：0.025：4,70 DEG C are heated to, 1.5h is stirred with the rotating speed of 300r/min, then
20min is centrifuged by 6000r/min of rotating speed, supernatant is abandoned, takes and be deposited in 100 DEG C of dryings for 24 hours, obtain desciccate；It will
Desciccate is heated to 430 DEG C with 10 DEG C of heating rate under nitrogen atmosphere, and heat preservation calcining 2h then naturally cools to room
Temperature obtains calcined product；It is 1 in mass ratio by calcined product, stearic acid, ethyl alcohol：0.05：5 mixing, are heated to 75 DEG C, with
The rotating speed stirring 1h of 300r/min, then centrifuges 20min by 6000r/min of rotating speed, abandons supernatant, take and be deposited in 90 DEG C
Drying for 24 hours, obtains modified brucite fiber；
Thermal insulation mortar the performance test results for building manufactured in the present embodiment：It is with cement mortar tensile bond strength
1.83Mpa (former intensity) is that 0.82Mpa is (water-fast with cement mortar tensile bond strength：Soak 48h, dry 2h), with heat preservation
Plate stretching adhesion strength is 0.73Mpa (former intensity), (water-fast for 0.59Mpa with thermal insulation board tensile bond strength：Soak 48h, does
Dry 2h)；30 shear strengths of cycle are 0.160Mpa.
C. sticking heat-preservation plate：
Vertical reference line steel wire, each floor appropriate location are hung at external wall angle (external corner, inner corner trim) and other necessity
Horizontal line is hung, to control the verticality of thermal insulation board and flatness；Using full bonding, thermal insulation mortar for building is scraped with tooth form trowel
It is put in heat preservation back, then sticks at wall, coating weight 4.5kg/m of the thermal insulation mortar for building in heat preservation back2, protect
Warm plate should be pasted by facing bond mode, perps should the fissure of displacement line by line, heat preservation plate face should be smooth, and adjacent thermal insulation board does not lead to when pasting
Seam.
Test case 1
The tensile bond strength of thermal insulation mortar for building, the anti-freezing property that embodiment 1-4 is prepared are tested, had
Body examination test result is shown in Table 1.
Table 1：Thermal insulation mortar the performance test results table for building
The thermal insulation mortar for building of the present invention has excellent thermal and insulating performance, adhesion strength, compression strength, weather-proof
The performances such as property, waterproof are mould proof, anticracking, impact resistance, be adapted to the armored concrete of multilayer structure, air entrained concrete,
It lays bricks, the external thermal insulation plastering engineering of walls and the inside holding plastering engineering such as fired brick and no-firing brick, for current all kinds of old
The heat preservation improvement project of building is also very applicable.
Claims (6)
1. a kind of thermal insulation mortar for building, including following raw materials：410-440 parts by weight of cement, 320-350 parts by weight quartz sand,
5-20 parts by weight hydroxypropyl guar gum, 30-60 parts by weight polymer additive, 4-10 parts by weight neopelex, 30-
50 part by weight modified brucite fibers, 0.01-0.1 parts by weight early strength agent, 10-20 weight parts of fine coal ash, 150-550 parts by weight
Water.
2. thermal insulation mortar for building as described in claim 1, which is characterized in that the cement is portland cement.
3. thermal insulation mortar for building as described in claim 1, which is characterized in that the early strength agent is lithium carbonate or calcium formate.
4. thermal insulation mortar for building as described in claim 1, which is characterized in that the modified brucite fiber, use are following
Method is prepared：Brucite fiber, aluminum sulfate are added to the water, the brucite fiber, aluminum sulfate, water mass ratio be 1：
(0.01-0.05)：(3-8) is stirred, and separation will precipitate drying；Desciccate is calcined to obtain calcined product；By calcined product,
Stearic acid, ethyl alcohol are 1 in mass ratio：(0.03-0.07)：(4-6) is mixed, heating stirring, and separation takes precipitation drying, obtains institute
State modified brucite fiber.
5. thermal insulation mortar for building as claimed in claim 4, which is characterized in that the modified brucite fiber, use are following
Method is prepared：Brucite fiber, aluminum sulfate are added to the water, the brucite fiber, aluminum sulfate, water mass ratio be 1：
(0.01-0.05)：(3-8), is heated to 60-80 DEG C, stirs 1-2h with the rotating speed of 100-400r/min, centrifuges, abandon supernatant
Liquid takes and is deposited in 80-110 DEG C of dry 15-25h, obtains desciccate；By desciccate under nitrogen atmosphere with 5-15 DEG C of liter
Warm rate is heated to 400-450 DEG C, and heat preservation calcining 1-3h, subsequent cooled to room temperature obtains calcined product；Calcining is produced
Object, stearic acid, ethyl alcohol are 1 in mass ratio：(0.03-0.07)：(4-6) is mixed, and 70-80 DEG C is heated to, with 100-400r/min
Rotating speed stirring 1-2h, centrifuge, abandon supernatant, take and be deposited in 80-110 DEG C of dry 15-25h, obtain the modified water magnesium
Mineral wool.
6. the thermal insulation mortar for building as described in any one of claim 1-5, which is characterized in that the polymeric additive is
Acrylic adhesives and/or epoxy resin latex；The preferred polymeric additive is by acrylic adhesives, asphalt mixtures modified by epoxy resin
Fat liquor is (2-3) in mass ratio：1 composition.
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| KR101512962B1 (en) * | 2014-11-13 | 2015-04-21 | (주)코메스코리아 | Mortar Composition for Repair Section and Repair Method Section Using Thereof |
| CN105330221A (en) * | 2015-11-30 | 2016-02-17 | 安徽济峰节能材料有限公司 | Compound fiber sound-insulation mortar |
| CN106186960A (en) * | 2016-07-20 | 2016-12-07 | 绍兴职业技术学院 | A kind of high-performance environment-friendly spraying mortar and preparation method thereof |
| CN106348690A (en) * | 2016-08-26 | 2017-01-25 | 北京建工新型建材有限责任公司 | Masonry mortar for underwater acid environment |
| WO2017178729A1 (en) * | 2016-04-13 | 2017-10-19 | Saint-Gobain Weber | Highly lightweight and thermally insulating mortar composition |
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2018
- 2018-04-24 CN CN201810370932.3A patent/CN108249868B/en active Active
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|---|---|---|---|---|
| CN104291743A (en) * | 2014-07-24 | 2015-01-21 | 陶叶斌 | Ceramic-tile bonding mortar and preparation method thereof |
| KR101512962B1 (en) * | 2014-11-13 | 2015-04-21 | (주)코메스코리아 | Mortar Composition for Repair Section and Repair Method Section Using Thereof |
| CN105330221A (en) * | 2015-11-30 | 2016-02-17 | 安徽济峰节能材料有限公司 | Compound fiber sound-insulation mortar |
| WO2017178729A1 (en) * | 2016-04-13 | 2017-10-19 | Saint-Gobain Weber | Highly lightweight and thermally insulating mortar composition |
| CN106186960A (en) * | 2016-07-20 | 2016-12-07 | 绍兴职业技术学院 | A kind of high-performance environment-friendly spraying mortar and preparation method thereof |
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