CN105601161B - A kind of additive for foam cement - Google Patents
A kind of additive for foam cement Download PDFInfo
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- CN105601161B CN105601161B CN201510963358.9A CN201510963358A CN105601161B CN 105601161 B CN105601161 B CN 105601161B CN 201510963358 A CN201510963358 A CN 201510963358A CN 105601161 B CN105601161 B CN 105601161B
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- foam cement
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- foam
- water
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of additives for foam cement, include following components raw material according to weight part ratio：0.1 0.4 parts of 0.2 0.8 parts of ethyl acetate, 20 70 parts of hydroxypropyl methyl cellulose, 0.25 5 parts of oleic acid, 0.25 5 parts of silicone oil, 4 14 parts of metakaolin, 35 parts of rosin resin and glyceryl monostearate (GMS).The present invention is used for the additive of foam cement, accelerates the demoulding time, setting time and the quality water absorption rate for reducing foam cement of foam cement, substantially increases product quality, promote production efficiency.
Description
Technical field
The invention belongs to field of inorganic nonmetallic material, and in particular to a kind of additive for foam cement.
Background technology
Foam cement is that foaming agent is mechanically fully foamed by the foamed system of foaming machine, and by foam and water
Mud slurry uniform mixes, and the pumping system for then passing through foaming machine carries out cast-in-place construction or mold molding, is formed through natural curing
A kind of novel light insulation material containing a large amount of sealed porositys.It belongs to air bubble-shaped heat-insulating material, and outstanding feature is mixed
Solidifying soil is internal to form closed foam hole, makes concrete light and thermal insulation separation thermalization.Currently, the technology is in China's western region
It has begun to popularize, southern area of China also makes foam cement brick with foam cement, to obtain roof heat insulation and exterior-wall heat insulation
Effect.Although foam cement have many advantages, such as it is above-mentioned, foam cement is influenced by own material or environment etc., use
Demoulding is slower when existing foam cement, and quality water absorption rate is high, be easy to cause film phenomenon of collapsing, to influence yield rate and work effect
Rate, therefore, there is an urgent need for a kind of foam cement additives now, for that can promote foam cement demoulding fast after foam cement and reduce it
Quality water absorption rate.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of additives for foam cement, to overcome foaming in the prior art
The shortcomings of cement demoulding is slow, quality water absorption rate is high.
To achieve the above object, technical solution provided by the invention is as follows：
A kind of additive for foam cement includes following components raw material according to weight part ratio：Ethyl acetate 0.2-
0.8 part, 20-70 parts of hydroxypropyl methyl cellulose, 0.25-5 parts of oleic acid, 0.25-5 parts of silicone oil, 4-14 parts of metakaolin, rosin tree
0.1-0.4 parts of 3-5 parts of fat and glyceryl monostearate (GMS).
Wherein, the additive of above-mentioned foam cement further includes 7-11 parts of China tree flower extract according to weight part ratio.
Wherein, the China tree flower extract is by China tree and water temperature is 180-240 DEG C, pressure is that 4-6MPa surpasses
Critical extraction 0.5-1h, then by obtained material concentration, it is dry to get.
Wherein, the China tree and water are at 1:30-50 mass ratioes.
Wherein, speed of agitator is 350r/min during the supercritical extract.
Wherein, the metakaolin is that kaolin is heated to 500-700 DEG C and keeps 1h, is made after cooling.
Wherein, the rosin resin granularity is 100-120 mesh.
When using above-mentioned additive for foam cement, it to be used for the additive of foam cement：Foam cement is at 0.5-2:
100 weight ratios.
Compared with prior art, the present invention has the advantages that：
The present invention is used for the additive of foam cement, accelerates the demoulding time, setting time and reduction of foam cement
The quality water absorption rate of foam cement, substantially increases product quality, promotes production efficiency.
Specific implementation mode
It is described in detail With reference to embodiment, it is to be understood that protection scope of the present invention is not by specific
The limitation of embodiment.Composite foam concrete plate specialist additive F-360 gained purchased in market.
Embodiment 1
The preparation of China tree flower extract：
As unit of g, by China tree：Water is at 1:50 mass ratioes weigh bitter chinaberry and water, and China tree and water are put into height
Holding temperature is 210 DEG C in pressure kettle, pressure 5MPa, speed of agitator are 350r/min supercritical extract 0.5h, is waited in autoclave
Temperature be down to 90 DEG C and it is following after, pressure release discharging, obtained material in autoclave is taken out, keep temperature be 47 DEG C heating concentration
1h is then placed in 50 DEG C of drying 30min in baking oven, and grind into powder is to get spare.100g kaolin is heated to 600 DEG C simultaneously
1h is kept, metakaolin is made after cooling, it is spare.
As unit of g, required each component raw material is weighed：Ethyl acetate 0.8g, hydroxypropyl methyl cellulose 70g, oleic acid
5g, silicone oil 5g, above-mentioned preparation gained metakaolin 14g, rosin resin 5g, the glyceryl monostearate (GMS) that granularity is 120 mesh
0.4g and above-mentioned preparation gained China tree flower extract 11g, above-mentioned each component raw material is mixed evenly up to for the water that foams
The additive of mud.
Embodiment 2
The preparation of China tree flower extract：
As unit of g, by China tree：Water is at 1:30 mass ratioes weigh bitter chinaberry and water, and China tree and water are put into height
Holding temperature is 180 DEG C in pressure kettle, pressure 6MPa, speed of agitator are 350r/min supercritical extract 0.5h, is waited in autoclave
Temperature be down to 90 DEG C and it is following after, pressure release discharging, obtained material in autoclave is taken out, keep temperature be 40 DEG C heating concentration
1h is then placed in 50 DEG C of drying 30min in baking oven, and grind into powder is to get spare.100g kaolin is heated to 500 DEG C simultaneously
1h is kept, metakaolin is made after cooling, it is spare.
As unit of g, required each component raw material is weighed：Ethyl acetate 0.2g, hydroxypropyl methyl cellulose 20g, oleic acid
0.25g, silicone oil 0.25g, above-mentioned preparation gained metakaolin 4g, rosin resin 3g, the glyceryl monostearate that granularity is 100 mesh
(GMS) 0.1g and above-mentioned preparation gained China tree flower extract 7g, above-mentioned each component raw material is mixed evenly up to for sending out
The additive of soaked mud.
Embodiment 3
The preparation of China tree flower extract：
As unit of g, by China tree：Water is at 1:40 mass ratioes weigh bitter chinaberry and water, and China tree and water are put into height
Holding temperature is 240 DEG C in pressure kettle, pressure 4MPa, speed of agitator are 350r/min supercritical extract 1h, is waited for warm in autoclave
Degree be down to 90 DEG C and it is following after, pressure release discharging, obtained material in autoclave is taken out, keep temperature be 53 DEG C heating concentration
1h is then placed in 50 DEG C of drying 30min in baking oven, and grind into powder is to get spare.100g kaolin is heated to 700 DEG C simultaneously
1h is kept, metakaolin is made after cooling, it is spare.
As unit of g, required each component raw material is weighed：Ethyl acetate 0.5g, hydroxypropyl methyl cellulose 45g, oleic acid
0.4g, silicone oil 0.3g, above-mentioned preparation gained metakaolin 9g, rosin resin 4g, the glyceryl monostearate that granularity is 110 mesh
(GMS) 0.25g and above-mentioned preparation gained China tree flower extract 9g, above-mentioned each component raw material is mixed evenly up to for sending out
The additive of soaked mud.
Embodiment 4
Above-described embodiment 1, embodiment 2, embodiment 3 are prepared into the additive that gained is used for foam cement, number is respectively
①、②、③；4. gained composite foam concrete plate specialist additive F-360 numbers purchased in market are；Blank control is to number 5., is carried out
Following operation.
Weigh 400g Portland cements, 4g rubber powders, 4g odium stearate, 0.16g lithium carbonates, 0.16g polypropylene fibres,
10g polycarboxylate water-reducers, 5g hydrogen peroxide, 4g flyash, the fixed ratio of mud 0.46.By high alumina cement, rubber powder, odium stearate, carbon
Sour lithium, polypropylene fibre, polycarboxylate water-reducer, hydrogen peroxide, flyash are put into blender and are uniformly mixed, so according to fixation
The ratio of mud 0.46 plus water, it is additive 2.14g 1. to add number, i.e., embodiment 1 prepares gained additive, and control stirring turns
Speed is 1400r/min, stirs 2-3min, is passed through in foaming machine and continues to pour into strong body production mould and solidified after stirring 15s.
Wallboard production mould is weighed before pouring into foam cement slurry, is weighed after peeling and is obtained foam cement slurry gross weight, is i.e. original slurry material is total
Weight is 384.25g.Then foam cement slurry gross weight, final setting time, Observe and measure when detection foam cement presetting period, initial set
The demoulding time of foam cement.
The test of quality water suction dose rate：Foam cement after above-mentioned obtained placement 28d is put into baking oven, is dried at 80 DEG C
48h weighs test specimen quality and writes down, is under field conditions (factors) cooled to room temperature test specimen, is then placed in water, test specimen exists after drying
Each 50mm of size above and below the water surface simultaneously keeps water surface elevation constant, dries surface of test piece with the rag wrung out after 48h, weighs saturation
The quality of test specimen after water suction, the quality that the test specimen quality of saturation water suction is subtracted to dry test specimen are quality water suction dose rate.
Obtain data in table 1, table 2.
Embodiment 5
Additive is the additive of number 2., i.e. embodiment 2 prepares the additive that gained is used for foam cement, and addition is
5.3g, remaining operation are identical in embodiment 4.
Wallboard production mould is weighed before pouring into foam cement slurry, is weighed after peeling and is obtained foam cement slurry gross weight, i.e.,
Original slurry material gross weight is 389.72g.Then foam cement slurry gross weight, final setting time when detection foam cement presetting period, initial set
And quality water absorption rate is calculated, the demoulding time of Observe and measure foam cement obtains data in table 1, table 2.
Embodiment 6
Additive is the additive of number 3., i.e. embodiment 3 prepares the additive that gained is used for foam cement, and addition is
8.5g, remaining operation are identical in embodiment 4.
Wallboard production mould is weighed before pouring into foam cement slurry, is weighed after peeling and is obtained foam cement slurry gross weight, i.e.,
Original slurry material gross weight is 392.82g.Then foam cement slurry gross weight, final setting time when detection foam cement presetting period, initial set,
The demoulding time of Observe and measure foam cement.The test method of quality water absorption rate is in the same manner as in Example 1, obtains in table 1, table 2
Data.
Embodiment 7
Additive is the additive of number 4., i.e., gained composite foam concrete plate specialist additive F-360 purchased in market, addition
For 12.8g, remaining operation is identical in embodiment 4.
Wallboard production mould is weighed before pouring into foam cement slurry, is weighed after peeling and is obtained foam cement slurry gross weight, i.e.,
Original slurry material gross weight is 396.62g.Then foam cement slurry gross weight, final setting time when detection foam cement presetting period, initial set,
The demoulding time of Observe and measure foam cement.The test method of quality water absorption rate is in the same manner as in Example 1, obtains in table 1, table 2
Data.
Embodiment 8
When additive number is 5., additive is not added in as blank control, remaining operation is as in Example 4.
Wallboard production mould is weighed before pouring into foam cement slurry, is weighed after peeling and is obtained foam cement slurry gross weight, i.e.,
Original slurry material gross weight is 384.82g.Then foam cement slurry gross weight, final setting time when detection foam cement presetting period, initial set,
The demoulding time of Observe and measure foam cement.The test method of quality water absorption rate is in the same manner as in Example 1, obtains in table 1, table 2
Data.
Table 1
| The additive of addition is numbered | Presetting period | Final setting time | Demoulding time |
| ① | 53min | 3.3h | 13.8h |
| ② | 51min | 3.5h | 13.5h |
| ③ | 50min | 3.1h | 13h |
| ④ | 60min | 5.4h | 22h |
| ⑤ | 68 | 6h | 25h |
The setting time of final setting time i.e. foam cement described in table 1.
Table 2
Additive and common foam cement additive of the present invention for foam cement it can be seen from above-mentioned table 1, table 2,
During practice, use the Additive of the invention for foam cement after the water that foams, gained foam cement is solidifying
Gu time, demoulding time all shorten, and quality water absorption rate substantially reduces.The shortening of setting time and demoulding time, makes
Foam cement is cast time of mould and is greatly shortened, shorten process time, improve production efficiency, while quality absorbs water
Rate is relatively low to illustrate that foam cement quality of the present invention is more excellent.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (6)
1. a kind of additive for foam cement, which is characterized in that be made of following components raw material according to weight part ratio：Second
0.2-0.8 parts of acetoacetic ester, 20-70 parts of hydroxypropyl methyl cellulose, 0.25-5 parts of oleic acid, 0.25-5 parts of silicone oil, metakaolin 4-
7-11 parts of 14 parts, 3-5 parts of rosin resin, 0.1-0.4 parts of glyceryl monostearate and China tree flower extract；Wherein, the hardship
Chinaberry flower extract is then China tree and water will temperature is 180-240 DEG C, pressure is 4-6MPa supercritical extract 0.5-1h
Obtained material concentration, it is dry to get.
2. being used for the additive of foam cement according to claim 1, it is characterised in that：The China tree is with water at 1:
30-50 mass ratioes.
3. being used for the additive of foam cement according to claim 1, it is characterised in that：It is stirred during the supercritical extract
Mix rotating speed is 350r/min.
4. being used for the additive of foam cement according to claim 1, it is characterised in that：The metakaolin is by kaolinite
Soil is heated to 500-700 DEG C and keeps 1h, is made after cooling.
5. being used for the additive of foam cement according to claim 1, it is characterised in that：The rosin resin granularity is
100-120 mesh.
6. using foam cement is used for for the additive of foam cement as described in claim 1, it is characterised in that：For foaming
The additive of cement：Foam cement is at 0.5-2:100 weight ratios.
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|---|---|---|---|
| CN201510963358.9A CN105601161B (en) | 2015-12-18 | 2015-12-18 | A kind of additive for foam cement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963358.9A CN105601161B (en) | 2015-12-18 | 2015-12-18 | A kind of additive for foam cement |
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| CN105601161A CN105601161A (en) | 2016-05-25 |
| CN105601161B true CN105601161B (en) | 2018-08-07 |
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| CN103467978A (en) * | 2013-09-23 | 2013-12-25 | 湖南工业大学 | Multi-component compound modified nylon 6 composite material for carrier roller and preparation method thereof |
| CN103665972A (en) * | 2013-12-09 | 2014-03-26 | 刘岩玉 | Damp-proof material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013085900A1 (en) * | 2011-12-09 | 2013-06-13 | Dow Global Technologies Llc | A method for providing modified cement compositions, dry mortars and cement-free mixtures |
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2015
- 2015-12-18 CN CN201510963358.9A patent/CN105601161B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725311A (en) * | 2009-11-27 | 2010-06-09 | 浙江邦德光电集团有限公司 | Pearlite fiber composite fire-proof heat insulation board |
| CN102718448A (en) * | 2012-04-28 | 2012-10-10 | 深圳市爱思宝科技发展有限公司 | Glaze and method for forming glaze layer |
| CN102829284A (en) * | 2012-09-18 | 2012-12-19 | 西安建筑科技大学 | Composite thermal insulation material as well as preparation and application thereof |
| CN103102173A (en) * | 2013-01-18 | 2013-05-15 | 深圳市爱思宝科技发展有限公司 | Preparation method for glaze surface layer |
| CN103121822A (en) * | 2013-03-06 | 2013-05-29 | 上海知兴科贸有限公司 | Dry powder blended material capable of recycling waste mud as well as production method and application thereof |
| CN103467978A (en) * | 2013-09-23 | 2013-12-25 | 湖南工业大学 | Multi-component compound modified nylon 6 composite material for carrier roller and preparation method thereof |
| CN103665972A (en) * | 2013-12-09 | 2014-03-26 | 刘岩玉 | Damp-proof material |
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