CN105645863A - Ultrafine powdery crack-resistant connection paste for connection of lightweight partition wall panel - Google Patents
Ultrafine powdery crack-resistant connection paste for connection of lightweight partition wall panel Download PDFInfo
- Publication number
- CN105645863A CN105645863A CN201511014578.3A CN201511014578A CN105645863A CN 105645863 A CN105645863 A CN 105645863A CN 201511014578 A CN201511014578 A CN 201511014578A CN 105645863 A CN105645863 A CN 105645863A
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- powder
- parts
- connection
- cement
- paste
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Classifications
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
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- 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 ultrafine powdery crack-resistant connection paste for connection of a lightweight partition wall panel. The connection paste is manufactured from cement, ultrafine powder, plastic powder, an inorganic water-retaining agent, cellulose ether, adhesive powder, a polycarboxylic acid water reducer, wood powder, and short polypropylene fiber through mixing. The ultrafine powder can improve the adhesive capacity of the connection paste and a lightweight partition wall, and development of a filling function of the ultrafine powder is mainly utilized. Paste permeability is improved, and matrix adhesive force is improved by 15-30%. Plastic powder is used to improve toughness of connection paste, and a ratio of compressive strength to rupture strength of a test piece is reduced by 10-30%. Crack resistance is improved through a technical scheme that wood powder (that is sawdust) and polypropylene fiber are utilized to form a composite fiber, and the technical problem that mortar (or cement paste) at a connection place of lightweight panel is easy to crack in the prior art is solved. The connection paste has advantages of high adhesive force, good crack-resistant effect, simple construction, and low cost.
Description
Technical field
The present invention relates to a kind of light partition board connection superfine powder cracking resistance and connect cream, belong to building material technical field.
Background technology
Light partition wall has been widely used in architectural engineering as New Building Materials, and its great advantage is from heavy and light, easy accessibility, is conducive to building industrialization to construct, and improves usable floor area and reduces the effect of wet trade. But the caulking material in light lath is constructed generally less is taken seriously, the often simple polymer cement mortar adopting common Portland series cement and 107 glue and fine sand to be configured to below M10. In practice, light lath metope shrinkage cracking is substantially the filleting position at plate Yu plate, when filleting mortar left by shovel, sees when observing node cracking situation, and caulking material is very weak with light lath bonding, by very clean on the adhesive surface after the two strip off, is not linked with mutually. It addition, the intensity of caulking material is too high, its swell-shrinking stress gap with sheet material cement plane strengthens so that the two is difficult to merge, and connects weak on the contrary. Often at the seam crossing of light lath partition wall, cracking phenomena can occur, cause use inconvenience, cause potential safety hazard.
Summary of the invention
It is an object of the invention to, it is provided that a kind of light partition board connects and connects cream by superfine powder cracking resistance. By increasing the adhesiveness connecting cream and light partition wall and improving the toughness being connected cream and overcome cracking produced by light cellular partition board dilatation.
Technical scheme:
A kind of light partition board connects and connects cream by superfine powder cracking resistance, and described connection cream is mixed with is formed by cement, superfine powder, molding powder, inorganic water-retaining agent, cellulose ether, rubber powder, polycarboxylate water-reducer, wood powder, polypropene staple.
In aforementioned connection cream, described connection cream is mixed with forms by 800��1200 parts of cement, 800��1400 parts of superfine powders, 80��120 parts of molding powders, 10��30 parts of inorganic water-retaining agent, 10��30 parts of cellulose ethers, 10��30 parts of rubber powders, 5��15 parts of polycarboxylate water-reducers, 5��15 parts of wood powders, 5��15 parts of polypropene staple.
In aforementioned connection cream, described cement adopts normal silicate PO.42.5 cement.
In aforementioned connection cream, described superfine powder is that one or more in agstone, quartz sand powder, flyash, water-granulated slag powder, scum powder, phosphorus slag powder, red mud are composited; Superfine powder selects mean diameter at 3��5 microns, and the specific surface area of superfine powder is 1000m
2
The superfine powder of/more than kg.
In aforementioned connection cream, described molding powder is that waste or used plastics processes, and it is mainly composed of the one in PP, PE, PVC, and fineness is at 60��100 orders.
In aforementioned connection cream, described inorganic water-retaining agent is the powder body material levigate with one or more inorganic porous materials in red mud, zeolite powder, bentonite; The specific surface area of inorganic water-retaining agent is 300��400m
2
/kg��
In aforementioned connection cream, described cellulose ether selects molecular weight product more than 10000.
In aforementioned connection cream, described rubber powder is vinyl acetate rubber powder or acrylic acid rubber powder.
In aforementioned connection cream, the order number of described wood powder is 60��80 orders.
In aforementioned connection cream, the length of described polypropene staple is 10mm.
Compared with prior art, superfine powder of the present invention improves the adhesive capacity connecting cream with light partition wall, plays filling effect mainly by superfine powder, improves the permeability of mastic, improves 15��30% with bond matrix power; Molding powder is utilized to improve the toughness connecting cream, it is possible to decrease the backfin ratio 10��30% of test specimen; Wood powder (sawmilling end), polypropylene fibre is finally utilized to form composite fibre, improve the technical scheme of cracking resistance, solve the technical barrier that conventional light lath junction mortar (cement cream) is easy to crack, have that adhesion is strong, effect of prestressed good, advantage simple, with low cost of constructing.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but not as any limitation of the invention.
A kind of light partition board connects and connects cream by superfine powder cracking resistance, and described connection cream is mixed with forms by 800��1200 parts of cement, 800��1400 parts of superfine powders, 80��120 parts of molding powders, 10��30 parts of inorganic water-retaining agent, 10��30 parts of cellulose ethers, 10��30 parts of vinyl acetate rubber powders or acrylic acid rubber powder, 5��15 parts of polycarboxylate water-reducers, 5��15 parts of wood powders, 5��15 parts of polypropene staples. Cement adopts normal silicate PO.42.5 cement. Superfine powder is that one or more in agstone, quartz sand powder, flyash, water-granulated slag powder, scum powder, phosphorus slag powder, red mud are composited; Superfine powder selects mean diameter at 3��5 microns, and the specific surface area of superfine powder is 1000m
2
The superfine powder of/more than kg. Molding powder is that waste or used plastics processes, and it is mainly composed of the one in PP, PE, PVC, and fineness is at 60��100 orders. Inorganic water-retaining agent is the powder body material levigate with one or more inorganic porous materials in red mud, zeolite powder, bentonite; The volumetric surface area of inorganic water-retaining agent is 300��400m
2
/ kg. Cellulose ether selects molecular weight product more than 10000. The order number of wood powder is 60��80 orders. The length of polypropene staple is 10mm.
It is embodied as step as follows:
1, raw material is calculated by mass percentage: cement: 800��1200 parts, superfine powder: 800��1400 parts, molding powder: 80��120 parts, inorganic water-retaining agent: 10��30 parts, cellulose ether: 10��30 parts, vinyl acetate rubber powder or acrylic acid rubber powder: 10��30 parts, polycarboxylate water-reducer: 5��15 parts, wood powder: 5��15 parts, polypropene staple: 5��15 parts, after mixing, it is packaged into bag.During use, by water be connected cream in proportion 0.35��0.45, stir evenly and can use.
Also can adding in above-mentioned connection cream and account for said ratio: the fine sand of gross weight 20��40%, particle diameter is at 0.5-1.5mm; The retarder of gross weight 0.01%, including one or more in sodium gluconate, sodium citrate, sucrose.
2, the cement in above-mentioned connection cream is Portland cement P.O42.5, is used as P.C32.5 cement by testing.
3, the superfine powder in above-mentioned connection cream is that one or both in the inorganic material such as flyash, slag, phosphorus slag, slag, limestone, silica sand, zeolite process through airflow milling is levigate, and its particle size range is at 1��10 micron, and specific surface area is at 1000m
2
/ kg. Ordinary cement particle size range is between 30��60 microns, on the low side less than the granule of 10 micron grain sizes. Therefore, compound use cement and superfine powder, not only can increase the density of gelling slurry, it is also possible to increase the adhesiveness of slurry and light partition wall matrix.
4, itself genus rigid of light cellular partition board, the connection between plate and plate must use partially flexible material. Abroad it is generally adopted organogel to avoid the cracking between plate, but relatively costly; Domestic be generally adopted cement add cellulose ether method reduce cement mortar rigidity, improve cement mortar flexibility, although less costly, but increase soft limited efficiency. Therefore, inventor uses molding powder to join the elastic modelling quantity that can significantly reduce mortar in mortar, the toughness of Coordinated Play organic material and the rigidity of inorganic material.
5, the cellulose ether in above-mentioned connection cream, vinyl acetate rubber powder or acrylic acid rubber powder are the common used material of polymer mortar, primarily serve water conservation, thickening and toughness reinforcing effect.
6, the inorganic water-retaining agent in above-mentioned connection cream, the inorganic material such as red mud, zeolite, bentonite are used to process through levigate, owing to these materials all have porosity characteristic, therefore there is certain water conservation, thickening effect, use in connecting cream and can effectively reduce cost.
7, the polycarboxylate water-reducer that water reducer is powder in above-mentioned connection cream. The kind of powder water reducer is mainly based on naphthalene series high-efficiency water-reducing agent on the market at present, and comparatively speaking, it is little that powder high-efficiency water-reducing agent of poly-carboxylic acid has volume, and water-reducing rate is high, and fluidisation keeps effective advantage.
Embodiment 1
Cement: 1000 parts, superfine powder: 1200 parts, molding powder: 100 parts, inorganic water-retaining agent: 20 parts, cellulose ether: 20 parts, vinyl acetate rubber powder or acrylic acid rubber powder: 20 parts, polycarboxylate water-reducer: 10 parts, wood powder: 10 parts, polypropene staple: 10 parts, after mixing, it is packaged into bag. During use, by water be connected cream in proportion 0.35��0.45, stir evenly without knot grain paste, stand 5��10 minutes, be stirred for once getting final product construction usage.
Implementation result: 28 days comprcssive strength is 30MPa, 28 days rupture strengths are 13MPa, and backfin ratio is 2.30,28 days adhesion strengths is 1.3MPa.
Embodiment 2
Cement: 800 parts, superfine powder: 600 parts, quartz sand (particle size range: 0.5��1.5mm): 800 parts, molding powder: 90 parts, inorganic water-retaining agent: 10 parts, cellulose ether: 25 parts, vinyl acetate rubber powder or acrylic acid rubber powder: 15 parts, polycarboxylate water-reducer: 10 parts, polypropene staple: 15 parts, after mixing, it is packaged into bag. During use, by water be connected cream in proportion 0.35��0.45, stir evenly without knot grain paste, stand 5��10 minutes, be stirred for once getting final product construction usage.
Implementation result: 28 days comprcssive strength is 28MPa, 28 days rupture strengths are 12MPa, and backfin ratio is 2.33,28 days adhesion strengths is 1.2MPa.
Embodiment 3
Cement: 1000 parts, superfine powder: 1200 parts, molding powder: 150 parts, retarder: 10 parts, inorganic water-retaining agent: 10 parts, cellulose ether: 25 parts, vinyl acetate rubber powder or acrylic acid rubber powder: 15 parts, polycarboxylate water-reducer: 10 parts, wood powder: 20 parts, polypropene staple: 10 parts, after mixing, it is packaged into bag. During use, by water be connected cream in proportion 0.35��0.45, stir evenly without knot grain paste, stand 5��10 minutes, be stirred for once getting final product construction usage. This proportioning is applied to hot weather construction.
Implementation result: 28 days comprcssive strength is 25MPa, 28 days rupture strengths are 10MPa, and backfin ratio is 2.5,28 days adhesion strengths is 1.3MPa.
Claims (10)
1. a light partition board connects and connects cream by superfine powder cracking resistance, it is characterised in that: described connection cream is mixed with is formed by cement, superfine powder, molding powder, inorganic water-retaining agent, cellulose ether, rubber powder, polycarboxylate water-reducer, wood powder, polypropene staple.
2. connect cream according to claim 1, it is characterised in that: described connection cream is mixed with forms by 800��1200 parts of cement, 800��1400 parts of superfine powders, 80��120 parts of molding powders, 10��30 parts of inorganic water-retaining agent, 10��30 parts of cellulose ethers, 10��30 parts of rubber powders, 5��15 parts of polycarboxylate water-reducers, 5��15 parts of wood powders, 5��15 parts of polypropene staple.
3. connect cream according to claim 2, it is characterised in that: described cement adopts normal silicate PO.42.5 cement.
4. connect cream according to claim 2, it is characterised in that: described superfine powder is that one or more in agstone, quartz sand powder, flyash, water-granulated slag powder, scum powder, phosphorus slag powder, red mud are composited; Superfine powder selects mean diameter at 3��5 microns, and the specific surface area of superfine powder is 1000m2The superfine powder of/more than kg.
5. connect cream according to claim 2, it is characterised in that: described molding powder is that waste or used plastics processes, and it is mainly composed of the one in PP, PE, PVC, and fineness is at 60��100 orders.
6. connect cream according to claim 2, it is characterised in that: described inorganic water-retaining agent is the powder body material levigate with one or more inorganic porous materials in red mud, zeolite powder, bentonite; The specific surface area of inorganic water-retaining agent is 300��400m2/kg��
7. connect cream according to claim 2, it is characterised in that: described cellulose ether selects molecular weight product more than 10000.
8. connect cream according to claim 2, it is characterised in that: described rubber powder is vinyl acetate rubber powder or acrylic acid rubber powder.
9. connect cream according to claim 2, it is characterised in that: the order number of described wood powder is 60��80 orders.
10. connect cream according to claim 2, it is characterised in that: the length of described polypropene staple is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014578.3A CN105645863B (en) | 2015-12-31 | 2015-12-31 | A kind of light partition board connection superfine powder cracking resistance connection cream |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014578.3A CN105645863B (en) | 2015-12-31 | 2015-12-31 | A kind of light partition board connection superfine powder cracking resistance connection cream |
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| CN105645863A true CN105645863A (en) | 2016-06-08 |
| CN105645863B CN105645863B (en) | 2017-11-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973575A (en) * | 2017-12-15 | 2018-05-01 | 贵州微粉纳米技术应用研究院有限责任公司 | Ash concrete batten using building waste production and preparation method thereof |
| CN108439912A (en) * | 2018-05-14 | 2018-08-24 | 广州市玖珂瑭材料科技有限公司 | A kind of assembled architecture prefabricated panel plaster and big quality plank wet combining high-strength mortar |
| CN113185239A (en) * | 2021-06-18 | 2021-07-30 | 深圳市星耀福实业有限公司 | Caulking agent special for ALC installation |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973575A (en) * | 2017-12-15 | 2018-05-01 | 贵州微粉纳米技术应用研究院有限责任公司 | Ash concrete batten using building waste production and preparation method thereof |
| CN108439912A (en) * | 2018-05-14 | 2018-08-24 | 广州市玖珂瑭材料科技有限公司 | A kind of assembled architecture prefabricated panel plaster and big quality plank wet combining high-strength mortar |
| CN113185239A (en) * | 2021-06-18 | 2021-07-30 | 深圳市星耀福实业有限公司 | Caulking agent special for ALC installation |
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| Publication number | Publication date |
|---|---|
| CN105645863B (en) | 2017-11-07 |
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