CN1318345C - Self-leveling cement and its production process - Google Patents
Self-leveling cement and its production process Download PDFInfo
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- CN1318345C CN1318345C CNB2005100610041A CN200510061004A CN1318345C CN 1318345 C CN1318345 C CN 1318345C CN B2005100610041 A CNB2005100610041 A CN B2005100610041A CN 200510061004 A CN200510061004 A CN 200510061004A CN 1318345 C CN1318345 C CN 1318345C
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- leveling cement
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Abstract
The present invention discloses a self-leveling cement and production technology thereof, which comprises 5 to 20% of aluminate cement, 20 to 26% of the ordinary Portland cement, 32 to 50% of quartz sand, 15 to 25% of heavy alkali, 0.5 to 2% of methyl cellulose, 2.5 to 5% of glue powders, 0.1 to 0.5% of anhydrous citric acid, 1.6 to 2.5% of slaked lime, 0.5 to 1.5% of plaster powders and 0.5 to 1.5% of dry powder defoaming agents according to weight percentages. The present invention is characterized in that the present invention also comprises 0.8 to 8% of casein and 0.03 to 0.07% of lithium carbonate. The production technology is orderly screening, material mix, material feeding, stir, tests, packing and warehousing. The present invention adds the casein and the lithium carbonate in formulations to make the anti-folding and the compression strength, the self-leveling performance, and the stability of products greatly improved. The technology can be applied to the production of the self-leveling cement.
Description
Technical field
The present invention relates to material of construction, more specifically to a kind of self-leveling cement and production technique thereof.
Background technology
Along with improving constantly of fast development of national economy and living standards of the people, environment to people's life is also had higher requirement, the terrace of top grades such as some hospitals, gymnasium, museum building adopts flexibly material, this class material foot sense is comfortable, color is enriched beautiful, also welcome cutting parquets etc., be well received by consumers, and the laying of these materials is had higher requirement to the levelling on ground.In recent years, successively develop and produce self-leveling cement or gravity flowing levelling mortar, and used binding agent mainly is a rubber powder, contains unsettled citric acid molecule in the used raw material, and this cohesive strength to self-leveling cement, self-leveling energy and quality stability are all also enough undesirable.
Summary of the invention
The present invention has overcome deficiency of the prior art, and a kind of self-leveling cement and production technique thereof are provided.
A kind of self-leveling cement of the present invention is made up of following component: aluminate cement 5-20%, ordinary Portland cement 20-26%, quartz sand 32-50%, heavy alkali 15-25%, methylcellulose gum 0.5-2%, rubber powder 2.5-5%, Citric Acid, usp, Anhydrous Powder 0.1-0.5%, slaked lime 1.6-2.5%, terra alba 0.5-1.5%, dry powder defoamer 0.5-1.5%, casein food grade 0.8-8%, Quilonum Retard 0.03-0.07% by weight percentage.
A kind of production technique of self-leveling cement is successively: screening: oarse-grained raw material is removed by sieve; Batching: according to above-mentioned prescription batching; Feeding: each raw material is transported to stirrer; Stir: raw material stirring is even by stirrer; Check: physics and the chemical property of checking compound; Packing warehouse-in: will put in storage after qualified self-leveling cement pack or the tinning.
A kind of self-leveling cement of Zhi Zaoing has increased casein food grade and Quilonum Retard in prescription according to the method described above, has overcome the influence of the unstable citric acid molecule that contains in the raw material, and anti-folding, ultimate compression strength, self-leveling energy and the stability of product are improved greatly.
Embodiment
The invention will be further described below in conjunction with embodiment.
A kind of self-leveling cement of the present invention is made up of following component: aluminate cement 5-20%, ordinary Portland cement 20-26%, quartz sand 32-50%, heavy alkali 15-25%, methylcellulose gum 0.5-2%, rubber powder 2.5-5%, Citric Acid, usp, Anhydrous Powder 0.1-0.5%, slaked lime 1.6-2.5%, terra alba 0.5-1.5%, dry powder defoamer 0.5-1.5%, casein food grade 0.8-8%, Quilonum Retard 0.03-0.07% by weight percentage.
| Title material | The amount Kg of embodiment 1 each component | The amount Kg of embodiment 2 each component | The amount Kg of embodiment 3 each component | The amount Kg of embodiment 4 each component | The amount Kg of embodiment 5 each component |
| Aluminate cement | 5 | 6 | 5 | 10 | 20 |
| Ordinary Portland cement | 20 | 26 | 21 | 22 | 23 |
| Quartz sand | 35 | 36.83 | 50 | 35 | 32 |
| Heavy alkali | 25 | 18 | 15 | 17.54 | 16 |
| Methylcellulose gum | 2 | 0.5 | 1.37 | 0.8 | 0.6 |
| Rubber powder | 5 | 2.5 | 4 | 3 | 3.5 |
| Citric Acid, usp, Anhydrous Powder | 0.5 | 0.1 | 0.2 | 0.3 | 0.4 |
| Slaked lime | 2.5 | 2 | 1.6 | 1.8 | 1.7 |
| Terra alba | 1 | 1.5 | 0.5 | 0.7 | 0.8 |
| Casein food grade | 3 | 5 | 0.8 | 8 | 1.26 |
| The dry powder defoamer | 0.95 | 1.5 | 0.5 | 0.8 | 0.7 |
| Quilonum Retard | 0.05 | 0.07 | 0.03 | 0.06 | 0.04 |
More than the production technique of a kind of self-leveling cement of each embodiment be successively: screening: oarse-grained raw material is removed by sieve; Batching: according to above-mentioned prescription batching; Feeding: each raw material is transported to stirrer; Stir: raw material stirring is even by stirrer; Check: physics and the chemical property of checking compound; Packing warehouse-in: will put in storage after qualified self-leveling cement pack or the tinning.
Described screening is meant: quartz sand is crossed 70-140 mesh sieve, heavy alkali and is crossed that 300-350 mesh sieve, Quilonum Retard are crossed the 300-350 mesh sieve, Citric Acid, usp, Anhydrous Powder is crossed the 60-80 mesh sieve.
Claims (3)
1, a kind of self-leveling cement is made up of following component: aluminate cement 5-20%, ordinary Portland cement 20-26%, quartz sand 32-50%, heavy alkali 15-25%, methylcellulose gum 0.5-2%, rubber powder 2.5-5%, Citric Acid, usp, Anhydrous Powder 0.1-0.5%, slaked lime 1.6-2.5%, terra alba 0.5-1.5%, dry powder defoamer 0.5-1.5%, casein food grade 0.8-8%, Quilonum Retard 0.03-0.07% by weight percentage.
2, the production technique of a kind of self-leveling cement according to claim 1 is characterized in that being successively: screening: oarse-grained raw material is removed by sieve; Batching: according to above-mentioned prescription batching; Feeding: each raw material is transported to stirrer; Stir: raw material stirring is even by stirrer; Check: physics and the chemical property of checking compound; Packing warehouse-in: will put in storage after qualified self-leveling cement pack or the tinning.
3, the production technique of a kind of self-leveling cement according to claim 2 is characterized in that described screening is meant: quartz sand is crossed 70-140 mesh sieve, heavy alkali and is crossed that 300-350 mesh sieve, Quilonum Retard are crossed the 300-350 mesh sieve, Citric Acid, usp, Anhydrous Powder is crossed the 60-80 mesh sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100610041A CN1318345C (en) | 2005-10-09 | 2005-10-09 | Self-leveling cement and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100610041A CN1318345C (en) | 2005-10-09 | 2005-10-09 | Self-leveling cement and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1772693A CN1772693A (en) | 2006-05-17 |
| CN1318345C true CN1318345C (en) | 2007-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100610041A Expired - Fee Related CN1318345C (en) | 2005-10-09 | 2005-10-09 | Self-leveling cement and its production process |
Country Status (1)
| Country | Link |
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| CN (1) | CN1318345C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384771C (en) * | 2006-08-04 | 2008-04-30 | 郑东风 | No-baking light foamed heat insulating and sound isolating material and its production process |
| CN102140026A (en) * | 2010-10-22 | 2011-08-03 | 中国建筑科学研究院 | Self-levelling material and preparation method thereof |
| WO2013040788A1 (en) * | 2011-09-23 | 2013-03-28 | Rohm And Haas Company | Low temperature mortar for exterior insulation finish system |
| CN104671726A (en) * | 2013-11-28 | 2015-06-03 | 立邦涂料（中国）有限公司 | High-strength cement-based self-leveling mortar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06239651A (en) * | 1993-02-15 | 1994-08-30 | Denki Kagaku Kogyo Kk | Cement admixture for self leveling and cement composition containing the same |
| CN1546416A (en) * | 2003-12-01 | 2004-11-17 | 同济大学 | Polymer cement based self-levelling materials and preparation method thereof |
| CN1587180A (en) * | 2004-07-22 | 2005-03-02 | 上海交通大学 | High performance cement base self leveling material |
-
2005
- 2005-10-09 CN CNB2005100610041A patent/CN1318345C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06239651A (en) * | 1993-02-15 | 1994-08-30 | Denki Kagaku Kogyo Kk | Cement admixture for self leveling and cement composition containing the same |
| CN1546416A (en) * | 2003-12-01 | 2004-11-17 | 同济大学 | Polymer cement based self-levelling materials and preparation method thereof |
| CN1587180A (en) * | 2004-07-22 | 2005-03-02 | 上海交通大学 | High performance cement base self leveling material |
Non-Patent Citations (2)
| Title |
|---|
| 水泥系自流平材料研究应用进展 罗庚望，化学建材，第5期 1995 * |
| 自流平PCC材料的研制 张均友，董俊平，王国川，山东建材，第2期 2002 * |
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| CN1772693A (en) | 2006-05-17 |
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Granted publication date: 20070530 Termination date: 20091109 |