CN102190462B - Industrial bearing cement based self-leveling material - Google Patents
Industrial bearing cement based self-leveling material Download PDFInfo
- Publication number
- CN102190462B CN102190462B CN2010101187553A CN201010118755A CN102190462B CN 102190462 B CN102190462 B CN 102190462B CN 2010101187553 A CN2010101187553 A CN 2010101187553A CN 201010118755 A CN201010118755 A CN 201010118755A CN 102190462 B CN102190462 B CN 102190462B
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- Prior art keywords
- cement
- based self
- leveling material
- percent
- industrial load
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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
- 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
- C04B28/06—Aluminous cements
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- 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
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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 an industrial bearing cement based self-leveling material, comprising the following components (amounted by percentage of weight): 20 to 40 percent of cement, 30 to 50 percent of quartz sand, 0.5 to 5 percent of high-molecular polymer resins, 5 to 20 percent of inertia inertia powder filling material, 1 to 10 percent of dispersant and 1 to 5 percent of functional auxiliary agent. The industrial bearing cement based self-leveling material provided in the invention is characterized by good anti-compression, flexural intensity and wear resistance, can satisfy the requirement of anti-compression in the industrial production, has good flow degree and can be used in places where anti-compression is highly demanded. The material can be used to flatten the ground and facilitates the construction process.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of industrial load-bearing cement-based self-leveling material.
Background technology
Along with fast development of national economy, in the industry to earth material require increasingly high.In industrial sites such as industrial building, warehouse, parking, market,, use more and more wider because the easy construction of industrial load-bearing cement-based self-leveling material, basic unit are smooth, durable in use.
In the existing document; Chinese patent CN101591160 discloses a kind of polymer cement-based self-leveling mortar that is used for floor leveling; Including material and per-cent is: Portland cement 20.0%～30.0%, high-alumina cement 5.0%～8.0%, anhydrite 8.0%～12.0%, polymer emulsion powder 1.0%～4.0%, mineral admixture 55.0%～65.0%, water reducer 0.1%～0.5%, water-retaining admixture 0.5%～1.0% wherein also include retardant 0.05%～0.30% or setting accelerator 0.05%～0.20%.The advantage of this patent is to have automatic levelling, early stage bending and compressive strength is high, ground degree of sprawling is high performance characteristics; Also have high with the base material bonding strength, endurance quality is high and construction after high, the high-performance that do not ftracture, do not stay expansion joint etc. of degree of compactness; The Automatic Levelling that can be used for ground layer, and the repairing on once visited place face, dusting ground and ground.
Patent WO2006/051574 disclose thick USP Kosher as cement additire to improve the application of its ultimate compression strength.Thick propyl alcohol is meant the USP Kosher of the inorganic base metal salt impurity that contains 1-10wt%, can reach 60MPa behind its ultimate compression strength 28d.This method can effectively be utilized " refuse " USP Kosher, not only can make processing cost reduce, help protecting simultaneously environment.
From above-mentioned existing document, improve the pressure-proof and snap-resistent intensity of self-leveling cement, all be to be prerequisite, thereby its application receive certain limitation significantly to increase cost.
Summary of the invention
The present invention is for solving the deficiency of prior art; The industrial load-bearing cement-based self-leveling material that a kind of cost performance is superior, ultimate compression strength is high is provided; To be used for the exigent industrial site of ultimate compression strength, this self-leveling material has good degree of mobilization, solidifies the back good planeness, and cost performance is superior.
Industrial load-bearing cement-based self-leveling material provided by the invention by weight percentage, comprises following component:
Cement 20-40%
Silica sand 30-50%
Macromolecule copolymer resin 0.5-5%
Inertia fleut 5-20%
Dispersion agent 1-10%
Functional aid 1-5%
Said cement is silicate cement or high-alumina cement, or the mixing of the two.
Said silica sand is 70-140 purpose silica sand, preferred 80-120 purpose silica sand.
Said macromolecule copolymer resin is for disperseing rubber powder.
Said inertia fleut is one or more in water-ground limestone, light calcium carbonate, flyash, the SILICA FUME.
Said dispersion agent is a powder modification polyethylene wax dispersion agent.
Said functional aid comprises skimmer, setting accelerator and water reducer.Said skimmer is the powder skimmer, and like German bright mirror P803, setting accelerator is a calcium formiate, and water reducer is a polycarboxylate water-reducer.Wherein, the quality of said skimmer, setting accelerator and water reducer example is 1-4: 1: 1-4.
Above-mentioned raw materials through screening, batching, feeding, stirring, check, packing, is promptly obtained industrial load-bearing cement-based self-leveling material of the present invention.
Through each item Performance Detection; Industrial load-bearing cement-based self-leveling material of the present invention has good resistance to compression, folding strength, wear-resisting; Can satisfy the resistance to compression requirement in the industry, have good degree of mobilization simultaneously, can be used for the demanding place of resistance to compression in the industry; Levelling is carried out on ground, and construction technology is simple.
Embodiment
Below in conjunction with instance the present invention is done further description, following embodiment can be used for making those skilled in the art more comprehensively to understand the present invention, but does not limit the present invention in any way.
Among the following embodiment, polycarboxylate water-reducer is the make the country prosperous PC-1016P of chemical prodn of Suzhou City, analytical pure; Powder modification polyethylene wax dispersion agent is the 420P dispersion agent of Mitsui chemistry, analytical pure; All the other products are commercially available analytical pure of the industry or technical pure.
Embodiment 1
Prescription (unit: Kg)
Silicate cement 25
High-alumina cement 10
80 order silica sands 40
Disperse rubber powder 1
Water-ground limestone 20
Powder modification polyethylene wax dispersion agent 1
Germany bright mirror P803 1
Calcium formiate 1
Polycarboxylate water-reducer 1
Above-mentioned raw materials promptly obtains industrial load-bearing cement-based self-leveling material of the present invention through screening, batching, feeding, stirring, check.
Adopt following method that its performance is detected.
Degree of mobilization adopts JC/T 985-2005 ground with the testing method in the cement-based self-leveling mortar.
Size changing rate adopts JGJ70 " building mortar method for testing performance ", as initial length, measures the size changing rate of its 28d with 24h after the moulding.
Shock resistance adopts GB/T3810.5-1999 " ceramic tile TP the 5th part: the shock resistance of confirming brick with the survey recovery factor ", but shape of dropping hammer and size are with reference to ENIS06272:1994 " shock resistance mensuration---whereabouts weight method ".
Anti-folding adopts GB/T17671 " Test method for strength of hydraulic cement mortar " with ultimate compression strength.
Test result is following:
Above-mentioned test result shows: industrial load-bearing cement-based self-leveling material of the present invention has good resistance to compression, folding strength, can satisfy the resistance to compression requirement in the industry.
Embodiment 2
Prescription (unit: Kg)
Silicate cement 25
High-alumina cement 10
120 order silica sands 45
Disperse rubber powder 1
Light calcium carbonate 15
Powder modification polyethylene wax dispersion agent 1
Germany bright mirror P803 1
Calcium formiate 1
Polycarboxylate water-reducer 1
Above-mentioned raw materials promptly obtains industrial load-bearing cement-based self-leveling material of the present invention through screening, batching, feeding, stirring, check.
Its The performance test results is following:
Above-mentioned test result shows: industrial load-bearing cement-based self-leveling material of the present invention has good resistance to compression, folding strength, can satisfy the resistance to compression requirement in the industry.
Claims (6)
1. an industrial load-bearing cement-based self-leveling material is characterized in that, by weight percentage, comprises following component:
Wherein, Said dispersion agent is a powder modification polyethylene wax dispersion agent, and functional aid comprises skimmer, setting accelerator, water reducer, and said skimmer is the powder skimmer; Said setting accelerator is a calcium formiate; Said water reducer is a polycarboxylate water-reducer, and wherein, the mass ratio of skimmer, setting accelerator, water reducer is 1-4: 1: 1-4.
2. industrial load-bearing cement-based self-leveling material according to claim 1 is characterized in that said cement is silicate cement or high-alumina cement, or the mixing of the two.
3. industrial load-bearing cement-based self-leveling material according to claim 1 is characterized in that, said silica sand is 70-140 purpose silica sand.
4. industrial load-bearing cement-based self-leveling material according to claim 3 is characterized in that, the preferred 80-120 purpose of said silica sand silica sand.
5. industrial load-bearing cement-based self-leveling material according to claim 1 is characterized in that, said macromolecule copolymer resin is for disperseing rubber powder.
6. industrial load-bearing cement-based self-leveling material according to claim 1 is characterized in that, said inertia fleut is one or more in water-ground limestone, light calcium carbonate, flyash, the SILICA FUME.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101187553A CN102190462B (en) | 2010-03-05 | 2010-03-05 | Industrial bearing cement based self-leveling material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101187553A CN102190462B (en) | 2010-03-05 | 2010-03-05 | Industrial bearing cement based self-leveling material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102190462A CN102190462A (en) | 2011-09-21 |
| CN102190462B true CN102190462B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101187553A Active CN102190462B (en) | 2010-03-05 | 2010-03-05 | Industrial bearing cement based self-leveling material |
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| CN (1) | CN102190462B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850021A (en) * | 2012-08-17 | 2013-01-02 | 苏州市德莱尔建材科技有限公司 | Inorganic self-leveling color pavement material |
| CN105753419A (en) * | 2016-01-27 | 2016-07-13 | 佛山市佳密特防水材料有限公司 | Rapidly leveling type mortar for ground leveling |
| CN108640545A (en) * | 2018-08-08 | 2018-10-12 | 赵先波 | A kind of corrosion-resistant cement and preparation method thereof |
| CN109133782A (en) * | 2018-08-29 | 2019-01-04 | 河海大学 | A kind of eco-cement base concrete enhancing coating and preparation method thereof |
| CN113387670A (en) * | 2021-05-24 | 2021-09-14 | 苏州金世晟建筑装饰工程有限公司 | Novel gypsum-based leveling material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546416A (en) * | 2003-12-01 | 2004-11-17 | 同济大学 | Polymer cement based self-levelling materials and preparation method thereof |
| CN101054284A (en) * | 2007-05-25 | 2007-10-17 | 浙江大学 | Desulfurated gypsum self-leveling material and preparation method thereof |
| CN101555106A (en) * | 2009-04-03 | 2009-10-14 | 汕头经济特区龙湖科技有限公司 | Composite cementitious material and ground self-leveling mortar using same |
| CN101591160A (en) * | 2009-06-23 | 2009-12-02 | 常州市宇乔建材科技有限公司 | A kind of polymer cement-based self-leveling mortar |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2834613B2 (en) * | 1992-04-15 | 1998-12-09 | 株式会社トクヤマ | Cement composition |
| JPH07187745A (en) * | 1993-12-27 | 1995-07-25 | Nippon Cement Co Ltd | Cement based self-leveling material |
-
2010
- 2010-03-05 CN CN2010101187553A patent/CN102190462B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546416A (en) * | 2003-12-01 | 2004-11-17 | 同济大学 | Polymer cement based self-levelling materials and preparation method thereof |
| CN101054284A (en) * | 2007-05-25 | 2007-10-17 | 浙江大学 | Desulfurated gypsum self-leveling material and preparation method thereof |
| CN101555106A (en) * | 2009-04-03 | 2009-10-14 | 汕头经济特区龙湖科技有限公司 | Composite cementitious material and ground self-leveling mortar using same |
| CN101591160A (en) * | 2009-06-23 | 2009-12-02 | 常州市宇乔建材科技有限公司 | A kind of polymer cement-based self-leveling mortar |
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| Publication number | Publication date |
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| CN102190462A (en) | 2011-09-21 |
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