CN1657574A - Dispersion short fibre adhesive and its crack-resistance putty - Google Patents
Dispersion short fibre adhesive and its crack-resistance putty Download PDFInfo
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- CN1657574A CN1657574A CN 200510023866 CN200510023866A CN1657574A CN 1657574 A CN1657574 A CN 1657574A CN 200510023866 CN200510023866 CN 200510023866 CN 200510023866 A CN200510023866 A CN 200510023866A CN 1657574 A CN1657574 A CN 1657574A
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- water
- chopped strand
- decentralization
- viscose
- sol
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- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
A short fibres dispersed adhesive for preparing anticracking putty is prepared from short fibres and water adhesive through proportional mixing. Said anticracking putty is prepared proportionally from said short fibres dispersed adhesive, cementing material and filler.
Description
Technical field
Dispersion short fibre adhesive of the present invention and anti-crack mastic thereof relate to a kind of water decentralization viscose and a kind of anti-crack mastic prepared therefrom.
Background technology
A large amount of buildings is all wanted making cement mortar plastering layer.Because the aquation drying shrinkage that cement cementitious material is difficult to avoid, can cause the coat of plaster be full of cracks, thereby cause its decorative coveringn of doing segmentation crack to occur, the general direct decorative effect that influences, then can cause rain leakage at wall face, be very generally extremely headachy again problem in the construction industry.For addressing the above problem, past attempts is long-term to be used paper muscle lime to mix and stir sand-cement slurry to do finish plaster in a large number, but because the material difference of itself and cement concrete basic unit is bonding bad, is prone to hollowing, decortication; Generally adopt bouncing putty to criticize in recent years and scrape facing, the elastic coating application, cover in the hope of the crackle that may occur, because the bullet ductility that material itself exists improves the then contradiction of adhesive power reduction, improve the property covered up with the snappiness of coating, can reduce the adhesivity of facial mask and basic unit, thereby cause a decorations layer peeling basic unit's crackle, otherwise crackle is difficult to again be covered up.Obviously, this bottom set layer cracking problem is only done the method that surface layer is covered up in ignoring, and is in a dilemma technically, does painstaking difficulty and pleases.For addressing the above problem, the present invention proposes a new technical scheme.
Summary of the invention
The objective of the invention is to: provide a kind of water decentralization viscose and with a kind of of its preparation and cementaceous gelling material consistency is good, adhesive power is strong anti-crack mastic.
The object of the invention can realize by following proposal: a kind of water decentralization viscose is mixed by chopped strand and water-base cement.As the anti-crack mastic of the present invention, also available cracking resistance as sand-cement slurry is added component to dispersion short fibre adhesive except that main; Anti-crack mastic of the present invention is mainly criticized material as levelling cracking resistance embedding on the construction cement mortar plastering aspect, batch end anti-crack mastic and the similar embed batch putty stuff that has bond and anti-crack to require of architectural finish engineering.
On the such scheme basis, described chopped strand is water-fast alkali proof fiber, and staple length is 2--12mm, and fiber number is not more than 10dtex, fibre content 0.1-2%.
Described chopped strand comprises a kind of or its composition in trevira, polyolein fiber, polyvinyl alcohol fiber, the polyacrylonitrile fibre.
Described water-base cement comprises the water-sol, seaweed gel and the elastic emulsion of the water-sol, Mierocrystalline cellulose and the derivative thereof of polyvinyl alcohol and condenses thereof.
Wherein, described elastic emulsion is that second-order transition temperature is not higher than 0 ℃ polyacrylate dispersion, a kind of or its composition in the polystyrene acrylic ester emulsion.
Chopped strand is dispersed in the water-sol of polyvinyl alcohol and condenses thereof, or in the water-sol of Mierocrystalline cellulose and derivative thereof and seaweed gel or the synthetic water-base cement, if require flexible, then being distributed to can be alkaline-resisting and bear powerful mechanical stirring and in can the elastic emulsion of breakdown of emulsion, formed fibre-bearing slurry is water decentralization viscose of the present invention.
Wherein, described water decentralization viscose (by weight): water 90-93, chopped strand 0.1-2.0, water-sol 3.0-10.0 puts into chopped strand the water-sols such as polyvinyl alcohol, Mierocrystalline cellulose and mixes, and is stirred well to chopped strand and is uniformly dispersed in glue.
Described elasticity water decentralization viscose (by weight): water 20-70, chopped strand 0.1-1.0, elastic emulsion 30-80, water-sol 0.5-1.0; Chopped strand is put into by elastic emulsion, the water-sol and water blended water-base cement, be stirred well to chopped strand and in glue, be uniformly dispersed.
Dispersive short-cut fiber anti-crack mastic of the present invention, by water decentralization viscose, gelling material, and filler form.
Described gelling material is cement, grey calcium powder and gypsum etc., gelling material such as water decentralization viscose and cement, grey calcium powder, gypsum and fill filler such as stone flour, the mixed dispersive short-cut fiber anti-crack mastic that forms.
On the such scheme basis, described filler is silica powder, levigate Paris white, kaolin, wollastonite powder, talcum powder, process white, zinc sulfide white, titanium dioxide, pigment.Pigment can be brown iron oxide of all kinds, and alkali proof water-based toner of all kinds, mill base in a kind of or its composition.
Above-mentioned water decentralization viscose is directly added cement and sand mix, be the fibre crack-resistance sand-cement slurry, add rubble again, can make the fibre crack-resistance concrete.
Superiority of the present invention is: chopped strand can not present curling in viscose or anti-crack mastic, no matter is as scraping material or as the interpolation component of construction cement motar.According to batch length of scraping the selected chopped strand of thickness, near the thin batch of layer that be used for of 2mm, near the thick batch of layer that be used for of 20mm.Anti-crack mastic is scraped material as criticizing, and after the construction, staple fibre is evenly distributed on the finish plaster, will improve finish plaster freedom from cracking performance effectively.Because of there are good adhesion property in material of the present invention and basic unit, so form powerful bonded adhesion layer with basic unit, tensile deformation by fiber in the adhesion layer, the stress that the sand-cement slurry coat of plaster produces in hydration drying shrinkage process is delivered to adhesion layer and is able to uniform distribution and clears up, really given play to effect, fundamentally eliminated the formation of coat of plaster be full of cracks as fiber in past " paper muscle lime putty " and even more early " hemp-fibred plaster ".Caulk compound of the present invention can select to add kind, the thickness specification of powder according to different service requirementss, adjusts proportioning, also can add entry in right amount and be the auxiliary agent that satisfies different construction requirements, with viscosity and other workabilities of adjusting slurry.
Embodiment
A kind of water decentralization viscose is mixed by chopped strand and water-base cement.Fibre content 0.1-2%.Wherein, chopped strand is water-fast alkali proof fiber, and staple length is 2--20mm, and fiber number is not more than 10dtex.Gelling material, filler and water decentralization viscoses such as cement, grey calcium powder, gypsum are mixed into dispersive short-cut fiber anti-crack mastic.
Table 1, water decentralization viscose (weight part)
| Common water decentralization viscose | General formula range | Prescription 1 | Prescription 2 | Prescription 3 |
| Water | 90-93 | ?90 | ?91 | ?93 |
| The PVA staple fibre | 0.1-2.0 | ?0.1 | ?1.0 | ?2.0 |
| The PVA resin | 3.0-10.0 | ?10.0 | ?7.0 | ?3.0 |
| Carboxymethyl cellulose | 0-2.0 | ?0 | ?1.0 | ?2.0 |
The polyvinyl alcohol chopped strand is put into polyvinyl alcohol, the cellulosic water-sol, be stirred well to chopped strand and in colloid, be uniformly dispersed.
Table 2, elasticity water decentralization viscose (weight part)
| The elasticity water decentralization viscose | General formula range | Prescription 1 | Prescription 2 | Prescription 3 |
| Water | 20--70 | ?20 | ?40 | ?70 |
| The PVA staple fibre | 0.1-1.0 | ?0.1 | ?0.5 | ?1.0 |
| The polyacrylic ester elastic emulsion | 30-80 | ?80 | ?60 | ?30 |
| Natvosol | 0.5-1.0 | ?0.5 | ?0 | ?1.0 |
The polyvinyl alcohol chopped strand is put into water-soluble glue by polyacrylic ester elastic emulsion, Natvosol, be stirred well to chopped strand and in colloid, be uniformly dispersed.
The preparation of dispersive short-cut fiber anti-crack mastic glue: water decentralization viscose is mixed with gelling material and filler, and ratio of mixture is: water decentralization viscose: (gelling material+filler)=1: 2-3.
Application examples
| Material | Exterior wall putty glue | The inner, external wall caulk compound | Inner wall putty glue |
| Water decentralization viscose | ??30 | ????25-30 | ????25 |
| The 425# silicate cement | 30 (Portland cements) | 20 (white cements) | ????-- |
| 200 order silica powders | ??20 | ????20 | ????10 |
| 400 order Paris whites | ??20 | ????25-20 | ????35 |
| Talcum powder 400 orders | ??0 | ????10 | ????10 |
| 325 orders ash calcium powder | ????20 |
Claims (10)
1. a water decentralization viscose is mixed by chopped strand and water-base cement.
2. water decentralization viscose according to claim 1, it is characterized in that: described chopped strand is water-fast alkali proof fiber, and staple length is 2--12mm, and fiber number is not more than 10dtex, fibre content 0.1-2% is mixed with the water-sol by described chopped strand and to constitute water decentralization viscose.
3. dispersion short fibre adhesive according to claim 2 is characterized in that described chopped strand comprises a kind of or its composition in trevira, polyolein fiber, polyvinyl alcohol fiber, the polyacrylonitrile fibre.
4. dispersion short fibre adhesive according to claim 1 and 2 is characterized in that the described water-sol comprises a kind of or its combination in the water-sol, seaweed gel and the elastic emulsion of the water-sol, Mierocrystalline cellulose and derivative thereof of polyvinyl alcohol and condenses thereof.
5. dispersion short fibre adhesive according to claim 4 is characterized in that described elastic emulsion is that second-order transition temperature is not higher than 0 ℃ polyacrylate dispersion, a kind of or its combination in the polystyrene acrylic ester emulsion.
6. dispersion short fibre adhesive according to claim 4, it is characterized in that described water decentralization viscose (by weight): the solids 3.0-10.0 of water 90-93, chopped strand 0.1-2.0, the water-sol, chopped strand is put into the water-sol and water mixes, be stirred well to chopped strand and in glue, be uniformly dispersed.
7. dispersion short fibre adhesive according to claim 4, it is characterized in that described elasticity water decentralization viscose (by weight): water 20-70, chopped strand 0.1-1.0, elastic emulsion 30-80, the solids 0.5-1.0 of the water-sol, chopped strand is put into elastic emulsion, the water-sol and water blended water-base cement, be stirred well to chopped strand and in glue, be uniformly dispersed.
8. utilize the anti-crack mastic of claim 1 or 2 described dispersion short fibre adhesives, it is characterized in that by water decentralization viscose, gelling material, and filler forms, wherein, water decentralization viscose and (gelling material+filler) are than being 1: 2-3.
9. dispersive short-cut fiber anti-crack mastic glue according to claim 8 is characterized in that described gelling material is one or more in cement, grey calcium powder, the gypsum.
10. dispersive short-cut fiber anti-crack mastic glue according to claim 8 is characterized in that described filler is silica powder, levigate Paris white, kaolin, wollastonite powder, talcum powder, process white, zinc sulfide white, titanium dioxide, pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023866 CN1657574A (en) | 2005-02-05 | 2005-02-05 | Dispersion short fibre adhesive and its crack-resistance putty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023866 CN1657574A (en) | 2005-02-05 | 2005-02-05 | Dispersion short fibre adhesive and its crack-resistance putty |
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| Publication Number | Publication Date |
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| CN1657574A true CN1657574A (en) | 2005-08-24 |
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| CN 200510023866 Pending CN1657574A (en) | 2005-02-05 | 2005-02-05 | Dispersion short fibre adhesive and its crack-resistance putty |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781921A (en) * | 2010-03-09 | 2010-07-21 | 成都建筑工程集团总公司 | Process for constructing surface of wall body |
| CN101955343A (en) * | 2010-08-31 | 2011-01-26 | 陈文光 | Energy-saving leveling putty powder |
| CN102815897A (en) * | 2012-07-30 | 2012-12-12 | 丁力 | Alkali seepage-resistant enhanced back adhesive for stone materials |
| CN104263049A (en) * | 2013-12-04 | 2015-01-07 | 长春坤翔环保技术有限公司 | Peculiar-smell-removing putty paste for indoor plate seaming and manufacturing method thereof |
| CN106433271A (en) * | 2016-08-26 | 2017-02-22 | 江苏华夏制漆科技有限公司 | Insulation putty for architectural exterior wall and preparation method of insulation putty |
-
2005
- 2005-02-05 CN CN 200510023866 patent/CN1657574A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781921A (en) * | 2010-03-09 | 2010-07-21 | 成都建筑工程集团总公司 | Process for constructing surface of wall body |
| CN101955343A (en) * | 2010-08-31 | 2011-01-26 | 陈文光 | Energy-saving leveling putty powder |
| CN102815897A (en) * | 2012-07-30 | 2012-12-12 | 丁力 | Alkali seepage-resistant enhanced back adhesive for stone materials |
| CN104263049A (en) * | 2013-12-04 | 2015-01-07 | 长春坤翔环保技术有限公司 | Peculiar-smell-removing putty paste for indoor plate seaming and manufacturing method thereof |
| CN104263049B (en) * | 2013-12-04 | 2017-03-01 | 长春坤翔环保技术有限公司 | A kind of interior sheet material seam eliminates the unusual smell putty paste and preparation method thereof |
| CN106433271A (en) * | 2016-08-26 | 2017-02-22 | 江苏华夏制漆科技有限公司 | Insulation putty for architectural exterior wall and preparation method of insulation putty |
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