CN101234870A - Protection mortar specially used on building insulating layer and preparing method thereof - Google Patents
Protection mortar specially used on building insulating layer and preparing method thereof Download PDFInfo
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- CN101234870A CN101234870A CNA2008100067684A CN200810006768A CN101234870A CN 101234870 A CN101234870 A CN 101234870A CN A2008100067684 A CNA2008100067684 A CN A2008100067684A CN 200810006768 A CN200810006768 A CN 200810006768A CN 101234870 A CN101234870 A CN 101234870A
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- Prior art keywords
- mortar
- insulating layer
- cement
- exclusively used
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/46—Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- 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 relates to protection mortar specially used in heat preservation layer in building and a preparation method. The protection mortar is a dry mixed powder somatotype mortar or ready-mixed somatotype mortar. The weight portions of each component is 4-30 portions of short steel fiber, 10-25 portions of powder material, 0.5-8 portions of water retaining agent 5-35 portions of aggregate, 0.5-30 portions of polymer cement modification material, 10-30 portions of water and 10-30 portions of cement. The protection mortar not only simplifies the operation process, but also has the advantages of strong impact resistance, low press-breaking rate, strong durability and excellent crack resistance.
Description
Technical field
The present invention relates to a kind of building material field and be exclusively used in protection mortar on the building insulating layer and preparation method thereof.
Background technology
At present, the common way of the thin type exterior-wall heat insulation engineering of plastering is made up of thermal insulation layer and surface layer protective layer.Wherein thermal insulation layer can be various lagging materials, as materials such as expansion polyphenyl plate, extruded polystyrene board, rock wool heat-preservation plates, and the heat preservation slurry of the on-the-spot moulding of plastering, spraying Polyurethane etc.Surface layer protective layer in the above-mentioned heat insulating work way is made up of polymers anti-cracking mortar and composite glass fiber grid cloth, when being construction, the specific practice of surface layer protective layer earlier anticracking grout is smeared on thermal insulation layer, and then be pressed into fiberglass gridding cloth, smear anticracking grout again and push down grid cloth, its operational procedure is comparatively complicated; Wherein, grid cloth role among material system is to improve the resistance to impact shock of protective facing, but because the alkaline resistance properties of glass fibre is poor, so after metope is drenched by rainwater, alkaline matter such as remaining free hydrogen calcium oxide, sodium hydroxide can react with glass fibre in the cement, form meltable silicate, cause glass fibre to be corroded, thereby the intensity of fiberglass gridding cloth is reduced significantly, cause the impact strength of wall insulating layer protective layer to descend the heat insulation system poor durability at last.The problems referred to above of surface layer protective layer are limiting the further progress of the technology of wall thermal insulating engineering.
Summary of the invention
Given this, the present invention proposes a kind of protection mortar on the building insulating layer and preparation method thereof that is exclusively used in, and purpose is to solve operational procedure complexity that present surface layer protective layer exists, because the heat insulation system shock resistance that the alkaline resistance properties difference of glass fibre causes is poor, the problem of poor durability.
For achieving the above object, the technical scheme that is exclusively used in protection mortar on the building insulating layer and preparation method thereof provided by the invention is as follows:
Described protection mortar is material modified by short steel fiber, powder body material, water-holding agent, aggregate, polymer cement, water, cement are formed, and each component proportioning by weight is as follows:
Short steel fiber 4-30 part
Powder body material 10-25 part
Water-holding agent 0.5-8 part
Aggregate 5-35 part
The material modified 0.5-30 part of polymer cement
Water 10-30 part
Cement 10-30 part.
Further, described mortar mixes powder molding sand slurry for doing, and described polymer cement is material modified to be the redispersion rubber powder, and its parts by weight are 0.5-3 part, and described water parts by weight are 20-30 part.
Further, described redispersion rubber powder comprises the remodeling cement gel powder material that emulsion obtains by spraying drying and the mixture of polyvinyl alcohol rubber powder or above-mentioned materials.
Further, described mortar is a premixing dysplastic mortar, and described polymer cement is material modified to be macromolecule emulsion, and its parts by weight are 10-30 part.
Further, described macromolecule emulsion be can with the emulsion of cement blend, comprise the mixture of acrylic ester emulsion, styrene-butadiene emulsion, ethene Vinyl Acetate Copolymer copolymer emulsion or above-mentioned materials.
Further, the diameter of described short steel fiber is 0.1-2mm, and length is 3-15mm.
Further, described powder body material comprises flyash, other silicon ashes, coarse whiting, wollastonite powder, ground barium sulfate, silica powder, or its fineness of the mixture of above-mentioned materials is that 45 μ m square hole sieve screen over-sizes are not more than 12%, and specific surface area is greater than 550m2/kg.
Further, described water-holding agent is the mixture of ether of cellulose, wilkinite or these two kinds of water-holding agents.
Further, described aggregate is the mixture of mineral sand aggregate, rubber grain aggregate, plastic grain aggregate or these several aggregates.
The preparation method of this protection mortar is:
Each component beyond the water is mixed in factory, package then, water adds by weight at the use scene, and what obtain with this method is to do to mix the powder molding sand and starch;
Perhaps,
Each component outside the cement is mixed in factory, package then, cement adds by weight at the use scene, and what obtain with this method is premixing dysplastic mortar.
Beneficial effect of the present invention is:
The present invention is main anti-ballistic materials to lack steel fiber, add the cracking resistance protection mortar that materials such as cement, aggregate, admixture are formed, when the surface layer protective layer in heat insulating work is constructed, can not need to stick on this step of fiberglass gridding cloth, going over constructs finishes but lead to, compare with existing thin way of plastering type insulation surface layer protective layer, simplified operational procedure; And, because the impact strength of short steel fiber is far longer than glass fibre, so the impact strength of this protection mortar is equally greater than the traditional method that pastes fiberglass gridding cloth.
The short steel fiber that is exclusively used in the protection mortar on the building insulating layer provided by the invention not only can improve the folding strength of material, but also can reduce the backfin ratio of material, and not corroded by the cement free base material, so, compare with the existing thin type insulation surface layer protective facing way of plastering, this protection mortar has backfin than little, advantages such as weather resistance is strong, resistance to cleavage excellence.
Embodiment
In order to make those skilled in the art can further understand feature of the present invention and technology contents, now consult following embodiment and embodiment and describe the present invention, these embodiments and embodiment only are used to explain the present invention, rather than are used for limiting scope of the present invention.
Wherein, the cement in the component can be ordinary Portland cement, aluminate cement, aluminosulfate cement, slag cement.Each component can be carried out any proportioning according to its content range.
The preparation method of this protection mortar is:
Doing the preparation that mixes powder molding sand slurry may further comprise the steps: each component beyond the water is mixed in factory, package then, water adds by weight at the use scene;
The preparation of premixing dysplastic mortar may further comprise the steps: each component outside the cement is mixed in factory, package then, cement adds by weight at the use scene.
Table 1 is starched or premixing dysplastic mortar with the mixed powder molding sand of doing that other raw materials obtain after mixing by weight percentage for lacking steel fiber:
Table 1: the set of dispense of each embodiment is than table
| Raw material (part) | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Flyash | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| 42.5R ordinary portland cement | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Steel fiber | 25 | 15 | 10 | 5 | 25 | 15 | 10 | 5 |
| Water-holding agent | 2 | 2 | 2 | 2 | 1.5 | 1.5 | 1.5 | 1.5 |
| Macromolecule emulsion | 0 | 0 | 0 | 0 | 15 | 15 | 15 | 15 |
| The redispersion rubber powder | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 |
| Aggregate | 5 | 15 | 20 | 25 | 8.5 | 18.5 | 23.5 | 28.5 |
| Water | 25 | 25 | 25 | 25 | 10 | 10 | 10 | 10 |
Table 2 be in the table 1 each embodiment according to the described test curing condition of GB/T17671-1999 " Test method for strength of hydraulic cement mortar (ISO) method ", specimen molding method and testing method, folding strength that obtains and compression strength value.
Wherein, concrete testing method is the strength of cement and the folding strength mensuration of the prismatic examination of 40mm * 40mm * 160mm body.
Wherein, the examination body is a water by mass, three parts of Chinese iso standard sand, stirs sample preparation with example proportioning water consumption.Mix one group of plastic hinge sand of system makes with 0.5 water cement ratio.The strength of cement result of China's iso standard sand must be with ISO benchmark sand consistent.
Wherein, glue sand stirs with planetary mixer, moulding on plain bumper.But also 2800-3000 time/min of frequency of utilization, the moulding of amplitude 0.75mm shaking table.
Wherein, the maintenance 24 hours in moisture together of examination body gang mould, then the demoulding in water maintenance to strength trial.To try body to test during the length of time and take out from water, and carry out the folding strength test earlier, compressive strength test is carried out for every section again in the back that fractures.
Table 2: the folding strength of each embodiment and pressure resistance kilsyth basalt
| Folding strength (Mpa/ MPa) | Ultimate compression strength (Mpa/ MPa) | |||||
| 3d | 7d | 28d | 3d | 7d | 28d | |
| Embodiment 1 | 6.83 | 8.34 | 9.09 | 15.68 | 22.5 | 25.20 |
| Embodiment 2 | 6.13 | 8.10 | 9.05 | 14.90 | 21.90 | 25.80 |
| Embodiment 3 | 6.45 | 7.95 | 8.58 | 14.80 | 21.50 | 23.60 |
| Embodiment 4 | 5.82 | 7.77 | 8.59 | 14.06 | 20.42 | 22.89 |
| Embodiment 5 | 6.14 | 8.35 | 8.44 | 12.66 | 20.28 | 20.75 |
| Embodiment 6 | 4.55 | 5.68 | 6.05 | 10.10 | 14.50 | 15.10 |
| Embodiment 7 | 5.85 | 7.96 | 7.97 | 12.30 | 19.50 | 19.40 |
| Embodiment 8 | 4.32 | 5.50 | 5.62 | 9.59 | 13.63 | 14.64 |
Table 3 is the backfin ratio and the impact strength value of each example of table 1.
Wherein, impact strength makes the numerical value that obtains by the test of impulse withstand test shown in the JGJ149-2004 " expansion polyphenyl plate thinly plastered external insulation system of outer wall standard ".Concrete test method is: with the sample float coat upwards, lie on the ground of level the sample close proximity to ground; Be that the steel ball of 0.5 kilogram or 1 kilogram unclamps freely falling body impact specimen surface on the height of 0.61 meter or 1.02 meters with quality respectively.
Table 3: backfin ratio and the impact strength value of each embodiment
| The backfin ratio | Impact strength J (joule) | |||||
| 3d | 7d | 28d | 3d | 7d | 28d | |
| Embodiment 1 | 2.29 | 2.69 | 2.77 | 3.0 | 3.5 | 5.0 |
| Embodiment 2 | 2.43 | 2.70 | 2.85 | 3.0 | 4.5 | 5.0 |
| Embodiment 3 | 2.30 | 2.71 | 2.75 | 3.5 | 4.0 | 3.5 |
| Embodiment 4 | 2.41 | 2.62 | 2.66 | 3.0 | 4.5 | 5.0 |
| Embodiment 5 | 2.06 | 2.42 | 2.45 | 3.5 | 4.5 | 5.5 |
| Embodiment 6 | 2.20 | 2.55 | 2.60 | 2.5 | 3.5 | 4.5 |
| Embodiment 7 | 2.10 | 2.45 | 2.43 | 3.5 | 4.0 | 4.0 |
| Embodiment 8 | 2.21 | 2.47 | 2.60 | 3.5 | 3.5 | 4.0 |
By above-mentioned numerical value as seen, mortar backfin ratio of the present invention is below 3, and more than the intensity level 3J of shock-resistance 14d, visible the present invention can reduce mortar backfin ratio significantly, improves mortar splitting resistance and shock resistance.The technical feature of mortar of the present invention meets the technical requirements of existing national standard and industry standard fully, and the alternative existing thin polymers anti-cracking mortar composite glass fiber grid cloth of plastering is carried out the way of building insulating layer surface layer protective layer fully.
The above only is embodiments of the present invention, be not so promptly limit claim of the present invention, the equivalent transformation that every utilization specification sheets of the present invention and accompanying drawing content are done directly or indirectly is used in other relevant technical field, all in like manner is included in the claim of the present invention.
Claims (10)
1. a protection mortar that is exclusively used on the building insulating layer is characterized in that, described protection mortar is material modified by short steel fiber, powder body material, water-holding agent, aggregate, polymer cement, water, cement are formed, and each component proportioning by weight is as follows:
Short steel fiber 4-30 part
Powder body material 10-25 part
Water-holding agent 0.5-8 part
Aggregate 5-35 part
The material modified 0.5-30 part of polymer cement
Water 10-30 part
Cement 10-30 part.
2. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 1, it is characterized in that described mortar mixes powder molding sand slurry for doing, described polymer cement is material modified to be the redispersion rubber powder, its parts by weight are 0.5-3 part, and described water parts by weight are 20-30 part.
3. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 2, it is characterized in that the mixture of a kind of or above-mentioned materials in described redispersion rubber powder remodeling cement gel powder material that to be emulsion obtain by spraying drying or the polyvinyl alcohol rubber powder.
4. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 1 is characterized in that, described mortar is a premixing dysplastic mortar, and described polymer cement is material modified to be macromolecule emulsion, and its parts by weight are 10-30 part.
5. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 4 is characterized in that, described macromolecule emulsion is the mixture of a kind of or above-mentioned materials in acrylic ester emulsion, styrene-butadiene emulsion, the ethene Vinyl Acetate Copolymer copolymer emulsion.
6. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 1 is characterized in that the diameter of described short steel fiber is 0.1-2mm, and length is 3-15mm.
7. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 1, it is characterized in that, described powder body material is the mixture of a kind of or above-mentioned materials in flyash, other silicon ashes, coarse whiting, wollastonite powder, ground barium sulfate, the silica powder, its fineness is that 45 μ m square hole sieve screen over-sizes are not more than 12%, and specific surface area is greater than 550m2/kg.
8. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 1 is characterized in that, described water-holding agent is a kind of or these the two kinds of mixtures of material in ether of cellulose or the wilkinite.
9. a kind of protection mortar that is exclusively used on the building insulating layer as claimed in claim 1 is characterized in that, described aggregate is the mixture of a kind of or these several aggregates in mineral sand aggregate, rubber grain aggregate, the plastic grain aggregate.
10. an a kind of preparation method who is exclusively used in the protection mortar on the building insulating layer as claimed in claim 1 is characterized in that,
Earlier each component beyond the water is mixed, water adds by weight at the use scene, and what obtain with this method is to do to mix the powder molding sand and starch;
Perhaps,
Earlier each component outside the cement is mixed, cement adds by weight at the use scene, and what obtain with this method is premixing dysplastic mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100067684A CN101234870A (en) | 2008-01-31 | 2008-01-31 | Protection mortar specially used on building insulating layer and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100067684A CN101234870A (en) | 2008-01-31 | 2008-01-31 | Protection mortar specially used on building insulating layer and preparing method thereof |
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|---|---|
| CN101234870A true CN101234870A (en) | 2008-08-06 |
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|---|---|---|---|
| CNA2008100067684A Pending CN101234870A (en) | 2008-01-31 | 2008-01-31 | Protection mortar specially used on building insulating layer and preparing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875100A (en) * | 2011-07-12 | 2013-01-16 | 汪兵 | S-tec novel thermal insulation multifunctional mortar |
| CN103526869A (en) * | 2013-10-31 | 2014-01-22 | 谢冰川 | Light filled core mold structure and manufacturing method thereof |
| CN103553499A (en) * | 2013-10-31 | 2014-02-05 | 谢冰川 | Mortar, mortar production method and polyphenyl core mould |
| CN104355582A (en) * | 2014-10-07 | 2015-02-18 | 合肥向荣环保科技有限公司 | Modified tree ash-contained building mortar |
| CN104609800A (en) * | 2015-01-14 | 2015-05-13 | 富思特新材料科技发展股份有限公司 | Anti-crack flexible polymer cement mortar |
| CN106926347A (en) * | 2015-12-31 | 2017-07-07 | 秦永超 | A kind of one-shot forming prepares the method and its obtained roof of roofing element |
| CN108101439A (en) * | 2017-12-05 | 2018-06-01 | 浙江广天构件股份有限公司 | A kind of new type mortar |
| CN114933458A (en) * | 2022-05-25 | 2022-08-23 | 北京金隅砂浆有限公司 | Anti-freezing type external thermal insulation finishing mortar for external wall and preparation method thereof |
-
2008
- 2008-01-31 CN CNA2008100067684A patent/CN101234870A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875100A (en) * | 2011-07-12 | 2013-01-16 | 汪兵 | S-tec novel thermal insulation multifunctional mortar |
| CN102875100B (en) * | 2011-07-12 | 2014-11-19 | 汪兵 | S-tec novel thermal insulation multifunctional mortar |
| CN103526869A (en) * | 2013-10-31 | 2014-01-22 | 谢冰川 | Light filled core mold structure and manufacturing method thereof |
| CN103553499A (en) * | 2013-10-31 | 2014-02-05 | 谢冰川 | Mortar, mortar production method and polyphenyl core mould |
| CN103553499B (en) * | 2013-10-31 | 2015-08-12 | 谢冰川 | A kind of mortar, mortar production method and polyphenyl core |
| CN103526869B (en) * | 2013-10-31 | 2016-04-20 | 谢冰川 | A kind of light filling core mold structure and manufacture method thereof |
| CN104355582A (en) * | 2014-10-07 | 2015-02-18 | 合肥向荣环保科技有限公司 | Modified tree ash-contained building mortar |
| CN104355582B (en) * | 2014-10-07 | 2016-06-08 | 合肥向荣环保科技有限公司 | Containing modified tree ash building mortar |
| CN104609800A (en) * | 2015-01-14 | 2015-05-13 | 富思特新材料科技发展股份有限公司 | Anti-crack flexible polymer cement mortar |
| CN106926347A (en) * | 2015-12-31 | 2017-07-07 | 秦永超 | A kind of one-shot forming prepares the method and its obtained roof of roofing element |
| CN108101439A (en) * | 2017-12-05 | 2018-06-01 | 浙江广天构件股份有限公司 | A kind of new type mortar |
| CN114933458A (en) * | 2022-05-25 | 2022-08-23 | 北京金隅砂浆有限公司 | Anti-freezing type external thermal insulation finishing mortar for external wall and preparation method thereof |
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Open date: 20080806 |