CN106587809A - Preparing method for surface course self-leveling cement - Google Patents
Preparing method for surface course self-leveling cement Download PDFInfo
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- CN106587809A CN106587809A CN201611078825.0A CN201611078825A CN106587809A CN 106587809 A CN106587809 A CN 106587809A CN 201611078825 A CN201611078825 A CN 201611078825A CN 106587809 A CN106587809 A CN 106587809A
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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
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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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 a preparing method for surface course self-leveling cement. 1-2 parts of a polycarboxylate-type water reducing agent, 4-8 parts of rubber powder, 0.1-0.3 part of cellulose, 0.1-0.2 part of starch ether, 1-3 parts of retarder sodium tripolyphosphate, 1-3 parts of an anti-foaming agent, 8-12 parts of ground calcium carbonate and 1-3 parts of sodium citrate are taken to be mixed, 30-40 parts of ordinary Portland cement is added to be stirred, then 50-60 parts of dried silica sand is added to be stirred evenly, and the surface course self-leveling cement is obtained. The preparing self-leveling cement is high in bonding strength, high in cohesion and toughness, small in elasticity modulus, not likely to crack, high in fluidity and short in setting time.
Description
Technical field
The present invention relates to a kind of cement preparation method, more specifically says, it is related to a kind of surfacing self-leveling floor cement preparation side
Method.
Background technology
Self-leveling cement construction is simply easily, plus appropriate water can form proximate freedom fluid slurry, can rapid deployment
And high-flatness terrace is obtained, speed of application is fast, and economic benefit is big, levelling compared with Traditional Man high 5-10 times, and at short notice
Be available for passing through, loading, significantly reduction of erection time, ready mix product, uniform quality is stable, and job site neat and tidy is conducive to text
Bright construction, is Green Product, resists getting damp property good, strong to surface layer protectiveness, practical, applied widely, but traditional
Self-leveling cement there is also some shortcomings：Gravity flowing levelling mortar is relatively low with the adhesion strength of various base materials, gravity flowing levelling mortar it is interior
Poly- power is relatively low with Toughness Ratio, and mortar easily ftractures, not wear-resisting, and the fluidity of cement is poor.
The content of the invention
The present invention is provided has a kind of surface layer gravity flow for preparing the technical characterstics such as simple, adhesion strength is high, be not easily susceptible to cracking
The clay Preparation Method of par.
A kind of surfacing self-leveling floor cement preparation method that the present invention is provided, it adopts following steps：
1) by mass fraction, 1-2 part poly carboxylic acid series water reducers, 4-8 part rubber powders, 0.1-0.3 part celluloses, 0.1-0.2 are taken
Part starch ether, 1-3 part retarder sodium tripolyphosphates, 1-3 part defoamer, 8-12 part triple superphosphate Calcium Carbonate, 1-3 parts sodium citrate is mixed
Close, obtain mixture A；
2) by mass fraction, the quartz sand that 50-60 parts modulus of fineness is 0.8-1.2 is taken, in 100-110 DEG C of dehydrator
Drying 1-1.5h, acquisition is dried quartz sand；
3) by mass fraction, the Portland cement that 30-40 parts intensity is more than 42.5R is taken, is added to dry powder stirring
In machine, stir 5-10min, add step 1) obtain mixture A, stir 5-10min, be subsequently adding step 2) drying after stone
Sand, start stirring 10-15min, until mix homogeneously, obtains surfacing self-leveling floor cement.
As a kind of improvement, step 1) described in defoamer be organosilicon.
As a kind of improvement, step 1) described in state rubber powder for latex powder and emulsion.
A kind of surfacing self-leveling floor cement preparation method that the present invention is provided, it is characterised in that the preparation method is using following step
Suddenly：
1) 1.5 parts of poly carboxylic acid series water reducers are taken by mass fraction, 6 parts of rubber powders, 0.2 part of cellulose, 0.15 part of starch ether, 2
Part retarder sodium tripolyphosphate, 2 parts of defoamer, 10 parts of triple superphosphate Calcium Carbonate, 2 parts of sodium citrates mixing obtain mixture A；
2) by mass fraction, the quartz sand that 55 parts of moduluss of fineness are 1.0 is taken, in 105 DEG C of dehydrator 1.2h is dried, obtained
Quartz sand must be dried；
3) by mass fraction, the Portland cement that 35 parts of intensity are more than 42.5R is taken, is added to powder stirrer
In, stir 7min, add step 1) obtain mixture A, stir 7min, be subsequently adding step 2) drying after quartz sand, open
Machine stirs 12min, until mix homogeneously, obtains surfacing self-leveling floor cement.
As a kind of improvement, step 1) described in defoamer be organosilicon, described rubber powder is latex powder and emulsion.
The profitable effect of the present invention：The adhesion strength that rubber powder effectively improves gravity flowing levelling mortar and various base materials is mixed outward, is carried
The cohesiveness and toughness of high gravity flowing levelling mortar, reduces gravity flowing levelling mortar elastic modelling quantity, reduces gravity flowing levelling mortar cracking risk, improves
The anti-wear performance of gravity flowing levelling mortar；Cellulose and starch ether is added to reduce cement slurry and isolate bleeding again；Add triple superphosphate
Calcium Carbonate can substitute a certain amount of sand and serve as Binder Materials, increase the fluidity of cement；The cement of preparation has good
Fluidity and levelling characteristic, setting time is short, and the terrace intensity formed after condensation is big, and wearability is strong；Isolation bleeding can imitate control
Make, prepare simple, low production cost.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail：
A kind of surfacing self-leveling floor cement preparation method of the present invention, using following steps：
1) by mass fraction, 1-2 part poly carboxylic acid series water reducers, 4-8 part rubber powders, 0.1-0.3 part celluloses, 0.1-0.2 are taken
Part starch ether, 1-3 part retarder sodium tripolyphosphates, 1-3 part defoamer, 8-12 part triple superphosphate Calcium Carbonate, 1-3 parts sodium citrate is mixed
Close, obtain mixture A；
2) by mass fraction, the quartz sand that 50-60 parts modulus of fineness is 0.8-1.2 is taken, in 100-110 DEG C of dehydrator
Drying 1-1.5h, acquisition is dried quartz sand；
3) by mass fraction, the Portland cement that 30-40 parts intensity is more than 42.5R is taken, is added to dry powder stirring
In machine, stir 5-10min, add step 1) obtain mixture A, stir 5-10min, be subsequently adding step 2) drying after stone
Sand, start stirring 10-15min, until mix homogeneously, obtains surfacing self-leveling floor cement.
As a kind of improved embodiment, step 1) described in defoamer be organosilicon.
As a kind of improved embodiment, step 1) described in state rubber powder for latex powder and emulsion.
Embodiment 1：A kind of surfacing self-leveling floor cement preparation method, the preparation method adopts following steps：
1) by mass fraction, 1 part of poly carboxylic acid series water reducer is taken, the mixed rubber powder of 4 parts of latex powders and emulsion, 0.1 part of cellulose,
0.1 part of starch ether, 1 part of retarder sodium tripolyphosphate, 1 part of composition for organosilicon defoamer, 8 parts of triple superphosphate Calcium Carbonate, 1 portion of Fructus Citri Limoniae
Sour sodium mixing, obtains mixture A, and the rubber powder of addition effectively improves the adhesion strength of gravity flowing levelling mortar and various base materials, improves certainly
The cohesiveness and toughness of levelling mortar, reduces gravity flowing levelling mortar elastic modelling quantity, reduces gravity flowing levelling mortar cracking risk, improves gravity flow
The anti-wear performance of flat mortar, adds cellulose and starch ether to reduce cement slurry and isolates bleeding again, and triple superphosphate Calcium Carbonate increases
Plus the fluidity of cement；
2) by mass fraction, the quartz sand that 50 parts of moduluss of fineness are 0.8 is taken, 1h is dried in 100 DEG C of dehydrator, obtained
It is dried quartz sand；
3) by mass fraction, the Portland cement that 30 parts of intensity are more than 42.5R is taken, is added to powder stirrer
In, stir 5min, add step 1) obtain mixture A, stir 5min, be subsequently adding step 2) drying after quartz sand, open
Machine stirs 10min, until mix homogeneously, obtains surfacing self-leveling floor cement, the self-leveling cement initial flow degree is 150mm,
The fluidity of 20min is 130mm, and rupture strength is 10MPa, comprcssive strength 45MPa, final setting time 60min.
Embodiment 2：A kind of surfacing self-leveling floor cement preparation method, the preparation method adopts following steps：
1) by mass fraction, the rubber powder of 1.5 parts of poly carboxylic acid series water reducers, 6 parts of latex powders and emulsion mixing, 0.2 part of fibre are taken
Dimension element, 0.15 part of starch ether, 2 parts of retarder sodium tripolyphosphates, 2 parts of compositions for organosilicon defoamer, 10 parts of triple superphosphate Calcium Carbonate,
2 parts of sodium citrate mixing, obtain mixture A, and the rubber powder of addition effectively improves the adhesion strength of gravity flowing levelling mortar and various base materials,
The cohesiveness and toughness of gravity flowing levelling mortar are improved, gravity flowing levelling mortar elastic modelling quantity is reduced, gravity flowing levelling mortar cracking risk is reduced, is carried
The anti-wear performance of high gravity flowing levelling mortar, adds cellulose and starch ether to reduce cement slurry and isolate bleeding, triple superphosphate carbon again
Sour calcium substitutes a certain amount of sand and serves as Binder Materials, increases the fluidity of cement；
2) by mass fraction, the quartz sand that 55 parts of moduluss of fineness are 1.0 is taken, in 105 DEG C of dehydrator 1.2h is dried, obtained
Quartz sand must be dried；
3) by mass fraction, the Portland cement that 35 parts of intensity are more than 42.5R is taken, is added to powder stirrer
In, stir 7min, add step 1) obtain mixture A, stir 7min, be subsequently adding step 2) drying after quartz sand, open
Machine stirs 12min, until mix homogeneously, obtains surfacing self-leveling floor cement, the self-leveling cement initial flow degree is 160mm,
The fluidity of 20min is 140mm, and rupture strength is 13MPa, comprcssive strength 45MPa, final setting time 48min.
Embodiment 3：A kind of surfacing self-leveling floor cement preparation method, the preparation method adopts following steps：
1) by mass fraction, the rubber powder of 2 parts of poly carboxylic acid series water reducers, 8 parts of latex powders and emulsion mixing, 0.3 part of fiber are taken
Element, 0.2 part of starch ether, 3 parts of retarder sodium tripolyphosphates, 3 parts of compositions for organosilicon defoamer, 12 parts of triple superphosphate Calcium Carbonate, 3 parts
Sodium citrate mixes, and obtains mixture A, and the rubber powder of addition effectively improves the adhesion strength of gravity flowing levelling mortar and various base materials, carries
The cohesiveness and toughness of high gravity flowing levelling mortar, reduces gravity flowing levelling mortar elastic modelling quantity, reduces gravity flowing levelling mortar cracking risk, improves
The anti-wear performance of gravity flowing levelling mortar, adds cellulose and starch ether to reduce cement slurry and isolate bleeding, triple superphosphate carbonic acid again
Calcium substitutes a certain amount of sand and serves as Binder Materials, increases the fluidity of cement；
2) by mass fraction, the quartz sand that 60 parts of moduluss of fineness are 1.2 is taken, in 110 DEG C of dehydrator 1.5h is dried, obtained
Quartz sand must be dried；
3) by mass fraction, the Portland cement that 40 parts of intensity are more than 42.5R is taken, is added to powder stirrer
In, stir 10min, add step 1) obtain mixture A, stir 10min, be subsequently adding step 2) drying after quartz sand,
Start stirring 15min, until mix homogeneously, obtains surfacing self-leveling floor cement, the self-leveling cement initial flow degree is 170mm,
The fluidity of 20min is 145mm, and rupture strength is 15MPa, comprcssive strength 50MPa, final setting time 80min.
Embodiment of the present invention is not limited to the above 3 embodiment, by aforementioned disclosed numerical range,
With regard to arbitrarily being replaced in specific embodiment, such that it is able to obtain countless embodiments, this is not enumerated.
Claims (5)
1. a kind of surfacing self-leveling floor cement preparation method, it is characterised in that the preparation method adopts following steps：
1) by mass fraction, 1-2 part poly carboxylic acid series water reducers are taken, 4-8 part rubber powders, 0.1-0.3 part celluloses, 0.1-0.2 parts are formed sediment
Powder ether, 1-3 part retarder sodium tripolyphosphates, 1-3 part defoamer, 8-12 part triple superphosphate Calcium Carbonate, 1-3 parts sodium citrate mixing is obtained
Obtain mixture A；
2) by mass fraction, the quartz sand that 50-60 parts modulus of fineness is 0.8-1.2 is taken, is dried in 100-110 DEG C of dehydrator
1-1.5h, acquisition is dried quartz sand；
3) by mass fraction, the Portland cement that 30-40 parts intensity is more than 42.5R is taken, in being added to powder stirrer,
Stirring 5-10min, add step 1) obtain mixture A, stir 5-10min, be subsequently adding step 2) drying after quartz sand,
Start stirring 10-15min, until mix homogeneously, obtains surfacing self-leveling floor cement.
2. a kind of surfacing self-leveling floor cement preparation method according to claim 1, it is characterised in that：Step 1) described in
Defoamer is organosilicon.
3. a kind of surfacing self-leveling floor cement preparation method according to claim 1, it is characterised in that：Step 1) described in
Rubber powder is stated for latex powder and emulsion.
4. a kind of surfacing self-leveling floor cement preparation method, it is characterised in that the preparation method adopts following steps：
1) 1.5 parts of poly carboxylic acid series water reducers are taken by mass fraction, 6 parts of rubber powders, 0.2 part of cellulose, 0.15 part of starch ether, 2 parts are delayed
Solidifying agent sodium tripolyphosphate, 2 parts of defoamer, 10 parts of triple superphosphate Calcium Carbonate, 2 parts of sodium citrate mixing obtain mixture A；
2) by mass fraction, the quartz sand that 55 parts of moduluss of fineness are 1.0 is taken, in 105 DEG C of dehydrator 1.2h is dried, done
Dry quartz sand；
3) by mass fraction, the Portland cement that 35 parts of intensity are more than 42.5R is taken, in being added to powder stirrer, is stirred
Mix 7min, add step 1) obtain mixture A, stir 7min, be subsequently adding step 2) drying after quartz sand, start stirring
12min, until mix homogeneously, obtains surfacing self-leveling floor cement.
5. a kind of surfacing self-leveling floor cement preparation method according to claim 4, it is characterised in that：Step 1) described in
Defoamer is organosilicon, and described states rubber powder for latex powder and emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078825.0A CN106587809A (en) | 2016-11-30 | 2016-11-30 | Preparing method for surface course self-leveling cement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611078825.0A CN106587809A (en) | 2016-11-30 | 2016-11-30 | Preparing method for surface course self-leveling cement |
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| CN106587809A true CN106587809A (en) | 2017-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125601A (en) * | 2020-11-11 | 2020-12-25 | 海南瑞宸新型建材有限公司 | Low-cost cement self-leveling mortar, preparation method and application method thereof |
| CN114046003A (en) * | 2021-12-03 | 2022-02-15 | 广东博竣建设工程有限公司 | Method for reinforcing steel strand mesh polymer mortar of wall |
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| WO2009073140A1 (en) * | 2007-11-30 | 2009-06-11 | Celanese International Corporation | Addditive composition for mortars, cements and joint compounds and cementitious compositions made therefrom |
| CN102145990A (en) * | 2011-03-28 | 2011-08-10 | 南京工业大学 | AC series cement-based self-leveling mortar for floor and preparation method thereof |
| CN103043974A (en) * | 2012-12-05 | 2013-04-17 | 上海秀珀化工有限公司 | High-wear-resistant cement-based self-leveling mortar and preparation method thereof |
| CN103936370A (en) * | 2014-04-22 | 2014-07-23 | 南通苏宝建筑节能科技有限公司 | Self-leveling waterproof mortar of imitated stone facing and construction process of waterproof mortar |
| CN104496320A (en) * | 2014-12-18 | 2015-04-08 | 南京工业大学 | Cement-based self-leveling mortar and preparation method thereof |
| CN105461275A (en) * | 2015-10-15 | 2016-04-06 | 上海杰深建材有限公司 | Mono-component system sulphoaluminate cement self-leveling mortar |
| CN105777034A (en) * | 2016-02-25 | 2016-07-20 | 张学健 | Abrasion-resistant cement-based self-leveling mortar |
-
2016
- 2016-11-30 CN CN201611078825.0A patent/CN106587809A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009073140A1 (en) * | 2007-11-30 | 2009-06-11 | Celanese International Corporation | Addditive composition for mortars, cements and joint compounds and cementitious compositions made therefrom |
| CN102145990A (en) * | 2011-03-28 | 2011-08-10 | 南京工业大学 | AC series cement-based self-leveling mortar for floor and preparation method thereof |
| CN103043974A (en) * | 2012-12-05 | 2013-04-17 | 上海秀珀化工有限公司 | High-wear-resistant cement-based self-leveling mortar and preparation method thereof |
| CN103936370A (en) * | 2014-04-22 | 2014-07-23 | 南通苏宝建筑节能科技有限公司 | Self-leveling waterproof mortar of imitated stone facing and construction process of waterproof mortar |
| CN104496320A (en) * | 2014-12-18 | 2015-04-08 | 南京工业大学 | Cement-based self-leveling mortar and preparation method thereof |
| CN105461275A (en) * | 2015-10-15 | 2016-04-06 | 上海杰深建材有限公司 | Mono-component system sulphoaluminate cement self-leveling mortar |
| CN105777034A (en) * | 2016-02-25 | 2016-07-20 | 张学健 | Abrasion-resistant cement-based self-leveling mortar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125601A (en) * | 2020-11-11 | 2020-12-25 | 海南瑞宸新型建材有限公司 | Low-cost cement self-leveling mortar, preparation method and application method thereof |
| CN114046003A (en) * | 2021-12-03 | 2022-02-15 | 广东博竣建设工程有限公司 | Method for reinforcing steel strand mesh polymer mortar of wall |
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