CN100363451C - Water-soluble rapid-hardening gel powder for construction - Google Patents
Water-soluble rapid-hardening gel powder for construction Download PDFInfo
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- CN100363451C CN100363451C CNB2005100418598A CN200510041859A CN100363451C CN 100363451 C CN100363451 C CN 100363451C CN B2005100418598 A CNB2005100418598 A CN B2005100418598A CN 200510041859 A CN200510041859 A CN 200510041859A CN 100363451 C CN100363451 C CN 100363451C
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- water
- construction
- gel powder
- bonding
- hardening gel
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Abstract
The present invention provides water-soluble rapid-hardenting gel powder for construction, which is mainly composed of powdery raw materials such as common portland cement, flyash, calcium formate, methyl cellulose, PVA24-88, additives, etc. The present invention has the characteristics of quick condensation rate, high bonding strength, water and crack resistance, simple manufacture, convenient operation, extensive material sources and low cost. Besides, products can be used for the bonding of construction materials such as thin plastering of outer insulation systems, ceramic tiles, etc. Bonding layers are dense and has excellent crack resistance, water resistance and weatherability, and the bonding layers have no bubbles. Under the condition of the assurance of the operating quality, the construction progress can be effectively enhanced.
Description
Technical field
The invention belongs to matrix material technical field for building, relate to a kind of Decorative surface work binding agent for building, particularly a kind of building gelatine powder that is used to bond such as hard surface-veneer goods such as ceramic veneer, marbles.
Background technology
The assortment of hard surface-veneer goods such as architectural coating face brick such as ceramic veneer, marble face brick, grouan face brick, mosaic are various, be used as that exterior wall finish has rich texture in the buildings, advantages such as color is lucid and lively, moulding is serious, lines integral body, therefore in modern construction engineering, more and more used.But for a long time, the stickup of these Decorative surface works is still adopted traditional sand-cement slurry to add external additive basically always and is made binding agent, the setting time of this binding agent is long, bonding strength is lower, waterproof effect is undesirable, so the agglutinating quality is very unstable, easily causes the infiltration of buildings bonding seam crossing cracking, part even big area to come off, and repair very difficulty, the visual appearance of buildings is had a strong impact on, even the consequence of the person that works the mischief.Country is just wideling popularize the building energy conservation system of the thin outer heat preservation system of plastering at present, this is one of energy-conservation great technology behave of domestic construction, but the above-mentioned defective of conventional binders often makes design and applying unit lack confidence to the engineering reliability of the thin outer heat preservation system of plastering, bonding ceramic veneer, and these have all influenced applying of thin plaster outer heat preservation system and bonding ceramic veneer technology to a certain extent.
Summary of the invention
The objective of the invention is the problem that prior art exists is solved, and then provide a kind of and have than high-weatherability, splitting resistance and water-repellancy and water-soluble rapid-hardening gel powder for construction that can firm bonding hard surface-veneer material.
The technical solution that adopts is for achieving the above object: the water-soluble rapid-hardening gel powder for construction that is provided is made by the flour raw material of following weight percent:
Ordinary Portland cement 30～75%
Flyash 20～60%
Calcium formiate 2～10%
Methylcellulose gum 0.1～5%
PVA24-88 0.05～2％
Additives 0～2%
At the aggregate of above-mentioned composition mesosilicic acid salt cement as matrix, because it is a kind of consolidating material commonly used, and low price, wide material sources, be convenient to processing, have favorable durability and environmental compatibility, therefore in water-soluble rapid-hardening building adhisive powder of the present invention with this material as main component.Adopt cheap flyash as stopping composition, can utilize industrial residue more rationally and effectively, be beneficial to resource consolidation and environmental protection.The effect that adds calcium formiate in rubber powder is physics, a chemical property of improving rubber powder, shortens the time of coagulation of material, quickens construction speed.Methylcellulose gum plays a part to strengthen the glue connection, can make rubber powder in use have good operation, plasticity-and water-retentivity, have after rubber powder and water are mixed and stirred be easy to be coated with and process of setting in need not characteristics with water curing, and can improve the cohesive strength and the fracture resistance of rubber powder.PVA24-88 and other component thing is compatible close after, can significantly improve cohesive strength, cohesive force and the transaction capabilities of rubber powder, and can increase considerably the Young's modulus of rubber powder, water-reduction is obvious.An amount of purpose that adds additives is the use properties that improves rubber powder for further in rubber powder, increases the degree of compactness of consolidating material, prevents that hollowing and seminess from occurring, and additives are generally defoamer, water reducer, frostproofer etc.
Characteristics of the present invention are production (only mix and stir with quantitative water and get final product) easy to use, cost is low, adhesive property good and material source is abundant, its product has excellent waterproof resistance to cleavage and nonpoisonous and tasteless advantage, can slow down the internal stress that produces because of temperature variation as binding agent, can effectively improve construction quality, accelerating construction progress is also simplified operational procedure.This rapid-hardening gel powder in use need not to use water curing.
The preparation method of water-soluble rapid-hardening gel powder of the present invention is such: respectively the various meals of ordinary Portland cement, flyash, calcium formiate, PVA24-88, methylcellulose gum, additives are proportionally mixed and stir, promptly get goods after stirring.This rubber powder is water-soluble, and each component affinity well is together compatible in it, only need add during use quantitative water mix and stir just can, very convenient.
Embodiment
A specific embodiment of the present invention is as described below, and the feed composition and the proportioning (weight percent) that constitute rubber powder among this embodiment are:
Title material weight ratio %
Ordinary Portland cement 50%
Flyash 40%
Calcium formiate 5%
Methylcellulose gum 2.5%
PVA24-88 2％
Additives 0.5%
In the above material, flyash adopts granularity less than 60 order flyash, and methylcellulose gum employing molecular weight is 20000～30000 Walocel MT 20.000PV.Components such as above-mentioned ordinary Portland cement, flyash, calcium formiate, methylcellulose gum, PVA24-88, additives are mixed in proportion to stir promptly becomes water-soluble rapid-hardening gel powder of the present invention.
As the thin external insulation system tackiness agent of plastering, its performance meets the JG149-2003 standard-required.Main performance index is: tensile bond strength 0.71Mpa, water-fast intensity 0.52MPa.
Water-soluble rapid-hardening gel powder of the present invention is applicable to the bonding operation of materials such as exterior wall, ground lamination and various ceramic veneers in the thin external insulation system of plastering of buildings, the buildings.Because therefore this water-soluble rapid-hardening gel powder can bring great convenience to construction operation with joining with usefulness, has also guaranteed construction quality and construction speed simultaneously effectively.
Claims (3)
1. water-soluble rapid-hardening gel powder for construction is characterized in that it is to be made by the flour raw material of following weight percent:
Ordinary Portland cement 30～75%
Flyash 20～60%
Calcium formiate 2～10%
Methylcellulose gum 0.1～5%
PVA24-88 0.05～2％
Additives 0～2%.
2. water-soluble rapid-hardening gel powder according to claim 1, the granularity that it is characterized in that used flyash is less than 60 orders.
3. water-soluble rapid-hardening gel powder according to claim 1 is characterized in that additives are made up of defoamer, air and water reducer composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418598A CN100363451C (en) | 2005-03-25 | 2005-03-25 | Water-soluble rapid-hardening gel powder for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418598A CN100363451C (en) | 2005-03-25 | 2005-03-25 | Water-soluble rapid-hardening gel powder for construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1837310A CN1837310A (en) | 2006-09-27 |
| CN100363451C true CN100363451C (en) | 2008-01-23 |
Family
ID=37014823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100418598A Expired - Fee Related CN100363451C (en) | 2005-03-25 | 2005-03-25 | Water-soluble rapid-hardening gel powder for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100363451C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432231B (en) * | 2011-09-02 | 2013-04-24 | 郑协锋 | Powder adhesive for building |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004087606A1 (en) * | 2003-04-03 | 2004-10-14 | Construction Research & Technology Gmbh | Powdery building compound |
-
2005
- 2005-03-25 CN CNB2005100418598A patent/CN100363451C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004087606A1 (en) * | 2003-04-03 | 2004-10-14 | Construction Research & Technology Gmbh | Powdery building compound |
Non-Patent Citations (1)
| Title |
|---|
| 聚合物改性粉煤灰建筑砂浆粉. 赵碧华，周向阳，严丽.砖瓦，第2004年第9期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1837310A (en) | 2006-09-27 |
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Granted publication date: 20080123 |