CN103145380B - Cement-based shrinkage-free joint filling sealing mortar for doors and windows and preparation method and construction method thereof - Google Patents
Cement-based shrinkage-free joint filling sealing mortar for doors and windows and preparation method and construction method thereof Download PDFInfo
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Abstract
The invention relates to a cement-based shrinkage-free joint filling sealing mortar for doors and windows and a preparation method and a construction method thereof. The sealing mortar is prepared by the components in parts by weight as follows: 100 parts of cement, 0-80 parts of active admixture, 0.01-10 parts of water reducer, 0.01-10 parts of early strength agent, 0.01-10 parts of thickening time control agent, 0-25 parts of expanding agent, 0-30 parts of binder, 0-10 parts of air entraining agent, 0.01-30 parts of plastic retaining agent, 0.01-10 parts of moisture repellent, 0-5 parts of starch ether, 0-150 parts of powder filler and 0-300 parts of aggregate. Compared with the prior art, the mortar provided by the invention has the advantages of no shrinkage, strong binding power, no falling, good anti-permeability, simpleness in construction, efficiency and the like, and can adequately fill joints of doors and windows to ensure the sealing property around the doors and windows, and water is prevented from being seeped into the doors and windows.
Description
Technical field
The invention belongs to material of construction and technical field of building construction, especially relate to a kind of cement based without shrinking door and window joint filling seal sand slurry and preparation method thereof and constructional method.
Background technology
Door and window engineering leakage is as Common Quality Fault In The Construction Project, and be affects one of quality problems that construction work is used, causes owner to complain, repair rate is higher always.Joint filling sealing material is selected and the quality of quality is one of main reason affecting door and window construction quality.In erection of doors and windows, the most frequently used pointing is sand-cement slurry, glass, rock wool, wool top, silicone adhesive, poly-sulphur sealing material, urethane sealing material etc.Because conventional cement mortar cohesive force is poor, deformability is poor, and easily shrinkage cracking, is easy to occur Seepage; Adopt the material seals such as glass, rock wool, wool top, construction process complexity, does not have cohesive force between this type of material and sash, and sealing, waterproof effect are poor; The sealing material such as silicone adhesive, thiorubber has good cohesive force, constructs also more convenient, but generally only limits to face seal, and not only intensity is lower, ductility is poor, not ageing-resistant, easily peels off, and cost is also higher.Polyurethane foam seal gum cementability is good, joint filling speed of application is very fast, good springiness also, there is good Restoration, can be suitable for dynamic seam, but polyurethane sealant also has some shortcomings, as wayward in construction quality, whipping agent is filled eakiness and is easily caused and leak, the water resistance of material own is poor, particularly alkaline-resisting water, resistance toheat are poor, single component glue package stability packed and ectocine larger, conventionally solidify slowlyer, under high thermal environment, may produce bubble and crackle, many occasions need primary coat, the higher application that also affects this kind of material of cost.
Therefore,, for door and window construction quality present situation, the door and window engineering pointing of developing a kind of excellent property, reasonable price, easy construction is problem in the urgent need to address.
Summary of the invention
Object of the present invention is exactly to provide one to have good workability in order to overcome the defect that above-mentioned prior art exists, easy and simple to handle, and the long cement based of operable time is without shrinking door and window joint filling seal sand slurry and preparation method thereof and constructional method.
Object of the present invention can be achieved through the following technical solutions: a kind of cement based, without shrinking door and window joint filling seal sand slurry, is characterized in that, sealing mortar is formulated by weight by following component:
Described seal sand slurry is the component of following weight part preferably:
Described cement is selected from silicate cement, slag cement, trass cement, pulverized fuel ash cement, one or more in aluminosulfate cement or aluminate cement;
Described active admixture is selected from one or more in flyash, slag powders, silicon ash or colliery powder;
Described water reducer is selected from one or more in sulfonated lignin, beta-methylnaphthalene sulfonate polycondensate, melamino-formaldehyde polycondensate or polycarboxylate dehydragent;
Described hardening accelerator is selected from one or more in sodium sulfate, water glass, Starso, calcium formiate or calcium chloride;
Described adjustable solidification agent is selected from one or more in sodium carbonate, sodium aluminate, citric acid and its esters, tartrate and its esters, Sunmorl N 60S and sodium tetraborate;
Described swelling agent is ettringite or calcium oxide expansion agents;
Described binding agent is pva powder or redispersable latex powder;
Described air entrapment agent is one or more mixtures in the sodium salt compound, soap compounds, sulfonation hydrocarbon polymer, alkyl-phenmethyl Sulfonates compound, triterpenoid saponin tensio-active agent of rosin tree lipid;
Described plasticity-retention agent is selected from one or more in wilkinite, diatomite, methylcellulose gum (HPMC), methyl hydroxyethylcellulose ether (MHPC), methylhydroxypropylcellulose ether (MHPC), hydroxyethyl ether cellulose (HEC), carboxymethyl cellulose (CMC) or lignocellulose (MC);
Described hydrophober is one or both in waterproofing agent of organosilicon powder, stearate;
Described starch ethers is common starch ether or treated starch ether;
Described powder filler is one or more in silica powder, Paris white, grey calcium powder, potter's clay, talcum powder or mica powder;
Described aggregate is grating artificial sand or natural sand, pottery sand, pearlstone, expanded vermiculite, glass bead, polystyrene foam particles, one or more in zeolite, float stone, volcanic cinder and tufa.
Described redispersable latex powder is selected from the multipolymer of ethylene/vinyl acetate, ethene and vinylchlorid and vinyl laurate terpolymer rubber powder, vinyl acetate and ethene and higher fatty acid vinyl acetate terpolymer rubber powder, vinyl acetate and higher fatty acid vinyl acetate copolymerization rubber powder, acrylate and styrene copolymerized rubber powder, vinyl acetate and acrylate and higher fatty acid vinyl acetate terpolymer rubber powder, vinyl acetate homopolymerization rubber powder, one or more in vinylbenzene and butadiene copolymer rubber powder.
A kind of cement based is without the preparation method who shrinks door and window joint filling seal sand slurry, it is characterized in that, take various starting material by formula, in stirrer, add successively aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, adjustable solidification agent, swelling agent, binding agent, air entrapment agent, plasticity-retention agent, hydrophober, starch ethers, stir, obtain seal sand slurry product.
Cement based, without a constructional method of shrinking door and window joint filling seal sand slurry, is characterized in that, the method comprises the following steps:
(1) take as required sealing material, by ratio requirement, in cement based sealing material, add water, adopt handheld stirring machine to stir 3-5 minute, make uniform sealing material slurry.
(2) special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special caulking machine feed bin stand-by.Described caulking gun is handle type manual compression filling gun, and caulking machine is the special electric screw rod conveyor with feed bin.
(3) plank (also can with the strip plate of other material) of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
(4) start electronic caulking machine or manually promote caulking gun handle, evenly extruding sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
(5) sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
(6) sealing material also can little scraper pointing, while adopting little doctor-blade application, should first a small amount of sealing material be criticized and scrape in door and window slot both sides, and gradation in seam, and is used doctor blade by sealing material pointing.Pointing should be full, must not have hole.
(7) when self-watering stirs, count, constructing operation should complete in 60 minutes.After joint filling seal construction finishes, should clean in time facility.
Compared with prior art, the invention has the advantages that
(1) this material has good workability, easy and simple to handle, and operable time is long.This material adds water and stirs and can use, and can adopt caulking gun injection fillers gap, and construction rapidly and efficiently, can increase substantially operating efficiency.。
(2) this material fresh paste has good plasticity, adhesive power and anti-pendant slip, also there will not be trickling phenomenon in vertical direction joint filling, can be filled to completely completely, and to door and window seam depths, fully sealing, ensures that pointing plays one's part to the full.
(3) this pointing and body of wall and framework bonding force are strong, thereby framework is played to fixed action, and the blast that frame window is born is evenly distributed on the wall of hole.
(4) this material snappiness good, do not shrink, not easy to crack, after sealing, can make sash and body of wall form an entirety, ensure the stopping property of door and window body periphery, can prevent the infiltration of moisture.
(5) this material has hydrophobic nature, impervious good, material itself there will not be water suction Seepage.
(6) in this material, contain a large amount of high thermal resistance components, increase the thermal resistance of pointing, can avoid occurring cold-heat bridge at sash place to there is energy-saving effect.
(7) this material, taking cement as main gelling material, has utilized a large amount of industrial residues as complementary gelling material, has obvious cost advantage compared with macromolecule product.
(8) sealing material is taking inorganic materials as main component, good endurance, do not have problem of aging, also belongs to non-combustible materials simultaneously.
(9) this material is not containing hazardous solvent, radioactive substance, harmless, free from environmental pollution, belongs to ep-type material.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Preparation method: take various starting material by formula, in stirrer, add successively aggregate (quartz sand, pearlstone), cement (Portland blast furnace slag cement), active admixture (flyash), water reducer (naphthalene series high-efficiency water-reducing agent), hardening accelerator (anhydrous sodium sulphate), adjustable solidification agent (Sunmorl N 60S), swelling agent (UEA swelling agent), binding agent (vinyl acetate and acrylate and higher fatty acid vinyl acetate terpolymer rubber powder), plasticity-retention agent (lignocellulose), hydrophober (silicone powder), starch ethers, stir, packaging forms product.
Constructional method is as follows:
1. take as required sealing material, by ratio requirement, in cement based sealing material, add water, the water yield adding is 20% of seal sand slurry dry powder weight.Adopt handheld stirring machine to stir 3-5 minute, make uniform seal sand slurry slurry.
2. special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special electric caulking machine.
3. the batten of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
4. start electronic caulking machine or manually promote caulking gun handle, evenly extrude sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
5. sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
6. when self-watering stirs, count, constructing operation should complete in 60 minutes.
The sealing material that said components prepares by aforementioned technique, has time of coagulation moderate, impervious good, good, the anti-pendant slip of snappiness is good, heat transfer coefficient is little feature, be suitable for general door and window joint filling construction.
Embodiment 2
Preparation method: take various starting material by formula, in stirrer, add successively aggregate (quartz sand, pottery sand), cement (P.O 42.5 ordinary Portland cements), active admixture (slag micropowder), water reducer (naphthalene series high-efficiency water-reducing agent), hardening accelerator (calcium formiate), swelling agent (ZY swelling agent), binding agent (polyvinyl alcohol), air entrapment agent (triterpenoid saponin), plasticity-retention agent (methylcellulose gum, wilkinite), hydrophober (silicone powder), treated starch ether, stir, packaging forms product.
Constructional method is as follows:
1. take as required sealing material, by ratio requirement, in cement based sealing material, add water, the water yield adding is 17% of seal sand slurry dry powder weight.Adopt handheld stirring machine to stir 3-5 minute, make uniform seal sand slurry slurry.
2. special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special electric caulking machine.
3. the batten of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
4. start electronic caulking machine or manually promote caulking gun handle, evenly extrude sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
5. sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
6. when self-watering stirs, count, constructing operation should complete in 60 minutes.
The sealing material that said components prepares by aforementioned technique, has time of coagulation very fast, and intensity is higher, and the good feature of impervious good, anti-pendant slip is suitable for the seal construction under the larger occasion of door and window seam.
Embodiment 3
Preparation method: take various starting material by formula, in stirrer, add successively aggregate (quartz sand), powder filler (talcum powder), cement (P.II52.5 silicate cement), active admixture (slag micropowder, silicon ash), water reducer (sodium lignosulfonate), hardening accelerator (Starso), swelling agent (UEA swelling agent), binding agent (ethene and vinylchlorid and vinyl laurate terpolymer rubber powder), air entrapment agent (sodium lauryl sulphate), plasticity-retention agent (hydroxyethyl ether cellulose, diatomite), hydrophober (calcium stearate), starch ethers, stir, packaging forms product.
Constructional method is as follows:
1. take as required sealing material, by ratio requirement, in cement based sealing material, add water, the water yield adding is 15% of seal sand slurry dry powder weight.Adopt handheld stirring machine to stir 3-5 minute, make uniform seal sand slurry slurry.
2. special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special electric caulking machine feed bin.
3. the batten of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
4. start electronic caulking machine or manually promote caulking gun handle, evenly extrude sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
5. sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
6. when self-watering stirs, count, constructing operation should complete in 60 minutes.
The sealing material that said components prepares by aforementioned technique, has time of coagulation moderate, and intensity is higher, and impervious good, the anti-pendant slip feature that has good workability is well suitable for the seal construction of general door and window joint filling.
Embodiment 4
Preparation method: take various starting material by formula, in stirrer, add successively aggregate (quartz sand, glass bead), powder filler (mica powder), cement (aluminate cement CA-50), active admixture (slag micropowder, silicon ash), water reducer (melamine water reducing agent), hardening accelerator (sodium sulfate), adjustable solidification agent (tartrate), swelling agent (ZY swelling agent), binding agent (ethene and vinylchlorid and vinyl laurate terpolymer rubber powder), plasticity-retention agent (hydroxyethyl ether cellulose), hydrophober (calcium stearate), starch ethers, stir, packaging forms product.
Constructional method is as follows:
1. take as required sealing material, by ratio requirement, in cement based sealing material, add water, the water yield adding is 15% of seal sand slurry dry powder weight.Adopt handheld stirring machine to stir 3-5 minute, make uniform seal sand slurry slurry.
2. special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special electric caulking machine.
3. the batten of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
4. start electronic caulking machine or manually promote caulking gun handle, evenly extrude sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
5. sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
6. when self-watering stirs, count, constructing operation should complete in 40 minutes.
The sealing material that said components prepares by aforementioned technique, has time of coagulation short, and early strength is high, and the feature that good, the anti-pendant slip of plasticity is good, heat transfer coefficient is little, is suitable for the construction of the joint filling of door and window in winter.
Embodiment 5
A kind of cement based is without shrinking door and window joint filling seal sand slurry, and sealing mortar is formulated by weight by following component:
Preparation method: take various starting material by formula, in stirrer, add successively aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, adjustable solidification agent, swelling agent, binding agent, air entrapment agent, plasticity-retention agent, hydrophober, starch ethers, stir, packaging forms product.
Constructional method:
1. take as required sealing material, by ratio requirement, in seal sand slurry, add water, the water yield adding is 18% of seal sand slurry dry powder weight, adopts handheld stirring machine to stir 3-5 minute, makes uniform seal sand slurry slurry;
2. special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special electric caulking machine.
3. the batten of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
4. start electronic caulking machine or manually promote caulking gun handle, evenly extrude sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
5. sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
6. when self-watering stirs, count, constructing operation should complete in 60 minutes.
Embodiment 6
A kind of cement based is without shrinking door and window joint filling seal sand slurry, and sealing mortar is formulated by weight by following component:
Preparation method: take various starting material by formula, in stirrer, add successively aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, adjustable solidification agent, swelling agent, binding agent, air entrapment agent, plasticity-retention agent, hydrophober, starch ethers, stir, packaging forms product.
Constructional method:
(1) take as required sealing material, by ratio requirement, in seal sand slurry, add water, the water yield adding is 20% of seal sand slurry dry powder weight, adopts handheld stirring machine to stir 3-5 minute, makes uniform seal sand slurry slurry;
2. special caulking gun head is inserted in sealing material, by pull of vacuum, sealing material is sucked in caulking gun, also can directly sealing material be poured in special electric caulking machine.
3. the batten of placing suitable width at door and window seam opposite side is as baffle plate, is fixed on sash with clip, prevents that sealing material from flowing out from opposite side.
4. start electronic caulking machine or manually promote caulking gun handle, evenly extrude sealing material pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom.
5. sealing material pointing is dismountable baffle plate after completing, and repairs with spatula before surface drying.
7. when self-watering stirs, count, constructing operation should complete in 60 minutes.
Claims (7)
1. cement based, without shrinking a door and window joint filling seal sand slurry, is characterized in that, sealing mortar is formulated by weight by following component:
Described active admixture is selected from one or more in flyash, slag powders, silicon ash or colliery powder;
Described powder filler is one or more in silica powder, Paris white, grey calcium powder, potter's clay, talcum powder or mica powder;
Described cement is selected from silicate cement, slag cement, trass cement, pulverized fuel ash cement, one or more in aluminosulfate cement or aluminate cement;
Described binding agent is redispersable latex powder;
Described plasticity-retention agent is selected from one or more in wilkinite, diatomite, methylcellulose gum, methyl hydroxyethylcellulose ether, methylhydroxypropylcellulose ether, hydroxyethyl ether cellulose, carboxymethyl cellulose or lignocellulose;
Described starch ethers is common starch ether or treated starch ether.
2. a kind of cement based according to claim 1, without shrinking door and window joint filling seal sand slurry, is characterized in that,
Described water reducer is selected from one or more in sulfonated lignin, beta-methylnaphthalene sulfonate polycondensate, melamino-formaldehyde polycondensate or polycarboxylate dehydragent;
Described hardening accelerator is selected from one or more in sodium sulfate, water glass, Starso, calcium formiate or calcium chloride;
Described adjustable solidification agent is selected from one or more in sodium carbonate, sodium aluminate, citric acid and its esters, tartrate and its esters, Sunmorl N 60S and sodium tetraborate;
Described swelling agent is ettringite or calcium oxide expansion agents;
Described air entrapment agent is one or more mixtures in the sodium salt compound, soap compounds, sulfonation hydrocarbon polymer, triterpenoid saponin tensio-active agent of rosin tree lipid;
Described hydrophober is one or both in waterproofing agent of organosilicon powder, stearate;
Described aggregate is grating artificial sand or natural sand, pottery sand, pearlstone, expanded vermiculite, glass bead, polystyrene foam particles, one or more in zeolite, float stone, volcanic cinder and tufa.
3. a kind of cement based according to claim 2 is without shrinking door and window joint filling seal sand slurry, it is characterized in that, described redispersable latex powder is selected from the multipolymer of ethylene/vinyl acetate, ethene and vinylchlorid and vinyl laurate terpolymer rubber powder, vinyl acetate and ethene and higher fatty acid vinyl acetate terpolymer rubber powder, vinyl acetate and higher fatty acid vinyl acetate copolymerization rubber powder, acrylate and styrene copolymerized rubber powder, vinyl acetate and acrylate and higher fatty acid vinyl acetate terpolymer rubber powder, vinyl acetate homopolymerization rubber powder, one or more in vinylbenzene and butadiene copolymer rubber powder.
One kind according to arbitrary described a kind of cement based in claim 1～3 without the preparation method who shrinks door and window joint filling seal sand slurry, it is characterized in that, take various starting material by formula, in stirrer, add successively aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, adjustable solidification agent, swelling agent, binding agent, air entrapment agent, plasticity-retention agent, hydrophober, starch ethers, stir, obtain seal sand slurry product.
5., it is characterized in that without a constructional method of shrinking door and window joint filling seal sand slurry according to arbitrary described a kind of cement based in claim 1～3, the method comprises the following steps:
(1) take as required sealing material, by ratio requirement, in seal sand slurry, add water by weight, the water yield adding is 15%, 17%, 18% or 20% of seal sand slurry dry powder weight, adopt handheld stirring machine to stir 3-5 minute, make uniform seal sand slurry slurry;
(2) seal sand slurry slurry pointing is entered to door and window seam;
(3) when self-watering stirs, count, constructing operation completed in 60 minutes.
6. a kind of cement based according to claim 5 is without the constructional method of shrinking door and window joint filling seal sand slurry, it is characterized in that, what step (2) was described enter door and window sewer body by seal sand slurry slurry pointing comprises the following steps: caulking gun head is inserted in seal sand slurry slurry, by pull of vacuum, seal sand slurry slurry is sucked in caulking gun, or directly seal sand slurry slurry is poured in electronic caulking machine feed bin, then evenly extrude seal sand slurry slurry pointing door and window seam in pressure mode, and be full of gradually whole seam by bottom, after seal sand slurry slurry pointing, before surface drying, repair with little scraper.
Described caulking gun is handle type manual compression filling gun, and caulking machine is the special electric screw rod conveyor with feed bin.
7. a kind of cement based according to claim 5 is without the constructional method of shrinking door and window joint filling seal sand slurry, it is characterized in that, what step (2) was described enter door and window sewer body by seal sand slurry slurry pointing comprises the following steps: adopt little doctor-blade application, first a small amount of seal sand slurry slurry is criticized and scraped in door and window slot both sides, gradation in seam, and is used little doctor blade by seal sand slurry slurry pointing.
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| CN201310062179.9A CN103145380B (en) | 2013-02-27 | 2013-02-27 | Cement-based shrinkage-free joint filling sealing mortar for doors and windows and preparation method and construction method thereof |
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