CN105601161A - Additive for foaming cement - Google Patents
Additive for foaming cement Download PDFInfo
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- CN105601161A CN105601161A CN201510963358.9A CN201510963358A CN105601161A CN 105601161 A CN105601161 A CN 105601161A CN 201510963358 A CN201510963358 A CN 201510963358A CN 105601161 A CN105601161 A CN 105601161A
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- Prior art keywords
- additive
- foam cement
- cement
- foam
- china
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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
- 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
Abstract
The invention discloses an additive for foaming cement. The additive comprises the following components by weight: 0.2-0.8 part of ethyl acetate, 20-70 parts of hydroxypropyl methylcellulose, 0.25-5 parts of oil acid, 0.25-5 parts of silicone oil, 4-14 parts of metakaolin, 3-5 parts of rosin resin and 0.1-0.4 part of glyceryl monostearate (GMS). The additive for foaming cement accelerates the release time and clotting time of foaming cement, reduces the mass water absorption of the foam cement, greatly improves the product quality, and promotes production efficiency.
Description
Technical field
The invention belongs to field of inorganic nonmetallic material, be specifically related to a kind of additive for foam cement.
Background technology
Foam cement is by the foamed system of foaming machine, blowing agent mechanical system fully to be foamed, and willFoam evenly mixes with cement mortar, then carries out cast-in-place construction or mould one-tenth through the pumping system of foaming machineType, a kind of novel light insulation material that contains a large amount of sealed porositys forming through natural curing. It belongs toIn air bubble-shaped heat-insulating material, outstanding feature is the foam hole that forms sealing at inside concrete, makes concreteLighting and thermal insulation separation thermalization. At present, this technology has started in China's western region to popularize, South ChinaArea, side also makes foam cement brick with foam cement, to obtain the effect of roof heat insulation and exterior-wall heat insulation.Although foam cement has above-mentioned plurality of advantages,, foam cement is affected by self material or environment etc.,While using existing foam cement, the demoulding is slower, and quality water absorption rate is high, easily causes the film phenomenon of collapsing, thus shadowRing yield rate and operating efficiency, therefore, need now a kind of foam cement additive badly, for the water that foamsAfter mud, can promote that the foam cement demoulding is fast and reduce its quality water absorption rate.
The information that is disclosed in this background technology part is only intended to increase the reason to general background of the present inventionSeparate, and should not be regarded as admitting or imply that in any form this information structure has been this area general technologyThe prior art that personnel are known.
Summary of the invention
The object of the present invention is to provide a kind of additive for foam cement, thereby overcome prior artIn the shortcoming such as slow, the quality water absorption rate height of the foam cement demoulding.
For achieving the above object, technical scheme provided by the invention is as follows:
For an additive for foam cement, comprise following component raw material according to ratio of weight and number: acetic acidEthyl ester 0.2-0.8 part, hydroxypropyl methylcellulose 20-70 part, oleic acid 0.25-5 part, silicone oil 0.25-5 part,Metakaolin 4-14 part, abietic resin 3-5 part and glyceryl monostearate (GMS) 0.1-0.4 part.
Wherein, the additive of above-mentioned foam cement also comprises China tree flower extract 7-11 according to ratio of weight and numberPart.
Wherein, described China tree flower extract is for being that 180-240 DEG C, pressure are by China tree and water in temperature4-6MPa supercritical extract 0.5-1h, then, by concentrated gained material, dry, to obtain final product.
Wherein, described China tree becomes 1:30-50 mass ratio with water.
Wherein, in described supercritical extract process, speed of agitator is 350r/min.
Wherein, described metakaolin is for being heated to 500-700 DEG C and keep 1h, cooling rear system by kaolin.
Wherein, described abietic resin granularity is 100-120 order.
While using the above-mentioned additive for foam cement, the additive for foam cement: foam cementBecome 0.5-2:100 weight ratio.
Compared with prior art, the present invention has following beneficial effect:
The present invention, for the additive of foam cement, has accelerated demould time, the setting time of foam cementAnd reduced the quality water absorption rate of foam cement, and greatly improve product quality, promote production efficiency.
Detailed description of the invention
Be described in detail below in conjunction with detailed description of the invention, but be to be understood that protection scope of the present invention alsoBe not subject to the restriction of detailed description of the invention. The commercial gained of composite foaming cement plate specialist additive F-360.
Embodiment 1
The preparation of China tree flower extract:
Taking g as unit, by China tree: water becomes 1:50 mass ratio to take China tree and water, by China treePutting into autoclave with water, to keep temperature be that 210 DEG C, pressure are that 5MPa, speed of agitator are that 350r/min is superCritical extraction 0.5h, until high pressure temperature in the kettle be down to 90 DEG C and following after, pressure release discharging, by autoclaveInterior gained material takes out, and keeping temperature is 47 DEG C of concentrated 1h of heating, then puts into 50 DEG C of oven dry of baking oven30min, grind into powder, to obtain final product, for subsequent use. 100g kaolin is heated to 600 DEG C and keep 1h,After cooling, make metakaolin, for subsequent use.
Taking g as unit, take required each component raw material: ethyl acetate 0.8g, hydroxypropyl methyl fiberElement 70g, oleic acid 5g, silicone oil 5g, above-mentionedly prepare gained metakaolin 14g, granularity is 120 object pinesBotany bar gum 5g, glyceryl monostearate (GMS) 0.4g and the above-mentioned gained China tree flower extract 11g for preparing,Above-mentioned each component raw material mixing and stirring is obtained to the additive for foam cement.
Embodiment 2
The preparation of China tree flower extract:
Taking g as unit, by China tree: water becomes 1:30 mass ratio to take China tree and water, by China treePutting into autoclave with water, to keep temperature be that 180 DEG C, pressure are that 6MPa, speed of agitator are that 350r/min is superCritical extraction 0.5h, until high pressure temperature in the kettle be down to 90 DEG C and following after, pressure release discharging, by autoclaveInterior gained material takes out, and keeping temperature is 40 DEG C of concentrated 1h of heating, then puts into 50 DEG C of oven dry of baking oven30min, grind into powder, to obtain final product, for subsequent use. 100g kaolin is heated to 500 DEG C and keep 1h,After cooling, make metakaolin, for subsequent use.
Taking g as unit, take required each component raw material: ethyl acetate 0.2g, hydroxypropyl methyl fiberElement 20g, oleic acid 0.25g, silicone oil 0.25g, above-mentionedly prepare gained metakaolin 4g, granularity is 100 ordersAbietic resin 3g, glyceryl monostearate (GMS) 0.1g and the above-mentioned gained China tree flower extract of preparing7g, obtains the additive for foam cement by above-mentioned each component raw material mixing and stirring.
Embodiment 3
The preparation of China tree flower extract:
Taking g as unit, by China tree: water becomes 1:40 mass ratio to take China tree and water, by China treePutting into autoclave with water, to keep temperature be that 240 DEG C, pressure are that 4MPa, speed of agitator are that 350r/min is superCritical extraction 1h, until high pressure temperature in the kettle be down to 90 DEG C and following after, pressure release discharging, in autoclaveGained material takes out, and keeping temperature is 53 DEG C of concentrated 1h of heating, then puts into 50 DEG C of oven dry of baking oven30min, grind into powder, to obtain final product, for subsequent use. 100g kaolin is heated to 700 DEG C and keep 1h,After cooling, make metakaolin, for subsequent use.
Taking g as unit, take required each component raw material: ethyl acetate 0.5g, hydroxypropyl methyl fiberElement 45g, oleic acid 0.4g, silicone oil 0.3g, above-mentionedly prepare gained metakaolin 9g, granularity is 110 objectsAbietic resin 4g, glyceryl monostearate (GMS) 0.25g and the above-mentioned gained China tree flower extract of preparing9g, obtains the additive for foam cement by above-mentioned each component raw material mixing and stirring.
Embodiment 4
Above-described embodiment 1, embodiment 2, embodiment 3 are prepared to the additive of gained for foam cement,Be numbered respectively 1., 2., 3.; 4. commercial gained composite foaming cement plate specialist additive F-360 is numbered;Blank, for numbering 5., carries out following operation.
Take 400g Portland cement, 4g rubber powder, 4g odium stearate, 0.16g lithium carbonate, 0.16gPolypropylene fibre, 10g polycarboxylate water-reducer, 5g hydrogen peroxide, 4g flyash, the fixing ratio of mud 0.46.By alumina cement, rubber powder, odium stearate, lithium carbonate, polypropylene fibre, polycarboxylate water-reducer, dioxygenWater, flyash are put into mixer and are uniformly mixed, and so add water according to the fixing ratio of mud 0.46, then addEnter to be numbered additive 2.14g 1., embodiment 1 prepares gained additive, controls speed of agitator to be1400r/min, stirs 2-3min, passes in foaming machine and continues to pour in strong body production mould after stirring 15sSolidify. Wallboard manufacture mould is weighed before pouring into foam cement slurry, after peeling, weighs and obtains the water that foamsMaterial-mud gross weight, former slurry gross weight is 384.25g. While detecting subsequently foam cement presetting period, initial setFoam cement slurry gross weight, final setting time, the demould time of Observe and measure foam cement.
The test of quality water suction dose rate: the above-mentioned foam cement of placing after 28d that makes is put into baking oven,At 80 DEG C, dry 48h, after oven dry, take test specimen quality and write down, under field conditions (factors) test specimen is cooled toRoom temperature, then puts into water, and test specimen is at the each 50mm of the upper and lower size of the water surface and keep water surface elevation constant,After 48h, dry test specimen surface with the rag wrung out, take the quality of test specimen after saturated water suction, by saturated suctionThe quality that the test specimen quality of water deducts dry test specimen is quality water suction dose rate.
Draw data in table 1, table 2.
Embodiment 5
Additive is numbering additive 2., and embodiment 2 prepares the additive of gained for foam cement,Addition is 5.3g, and all the other are operating as in embodiment 4 identical.
Wallboard manufacture mould is weighed before pouring into foam cement slurry, after peeling, weighs and obtains foam cement slurryGross weight, former slurry gross weight is 389.72g. Water foams while detecting subsequently foam cement presetting period, initial setMaterial-mud gross weight, final setting time calculated mass water absorption rate, the demould time of Observe and measure foam cement,Draw data in table 1, table 2.
Embodiment 6
Additive is numbering additive 3., and embodiment 3 prepares the additive of gained for foam cement,Addition is 8.5g, and all the other are operating as in embodiment 4 identical.
Wallboard manufacture mould is weighed before pouring into foam cement slurry, after peeling, weighs and obtains foam cement slurryGross weight, former slurry gross weight is 392.82g. Water foams while detecting subsequently foam cement presetting period, initial setMaterial-mud gross weight, final setting time, the demould time of Observe and measure foam cement. The test of quality water absorption rateMethod is in the same manner as in Example 1, draws data in table 1, table 2.
Embodiment 7
Additive is numbering additive 4., i.e. commercial gained composite foaming cement plate specialist additiveF-360, addition is 12.8g, all the other are operating as in embodiment 4 identical.
Wallboard manufacture mould is weighed before pouring into foam cement slurry, after peeling, weighs and obtains foam cement slurryGross weight, former slurry gross weight is 396.62g. Water foams while detecting subsequently foam cement presetting period, initial setMaterial-mud gross weight, final setting time, the demould time of Observe and measure foam cement. The test of quality water absorption rateMethod is in the same manner as in Example 1, draws data in table 1, table 2.
Embodiment 8
When 5. additive is numbered, be blank, do not add additive, all the other operations and embodiment 4In.
Wallboard manufacture mould is weighed before pouring into foam cement slurry, after peeling, weighs and obtains foam cement slurryGross weight, former slurry gross weight is 384.82g. Water foams while detecting subsequently foam cement presetting period, initial setMaterial-mud gross weight, final setting time, the demould time of Observe and measure foam cement. The test of quality water absorption rateMethod is in the same manner as in Example 1, draws data in table 1, table 2.
Table 1
| The additive numbering of adding | Presetting period | Final setting time | Demould 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 |
Final setting time described in table 1 is the setting time of foam cement namely.
Table 2
Can be found out by above-mentioned table 1, table 2, the present invention is for additive and the common foaming water of foam cementMud additive, in the practice process, used the present invention for the Additive of foam cement in sending outAfter soaked, gained foam cement setting time, demould time have all shortened, and quality water absorption rate greatlyReduce. The shortening of setting time and demould time, the time that makes foam cement cast mould shortens greatly,Shortened process time, improved production efficiency, lower explanation the present invention of quality water absorption rate simultaneously sends outBubble cement quality is more excellent.
The aforementioned description to concrete exemplary of the present invention is in order to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentionedInstruction, can much change and change. Exemplary embodiment is selected and the object described existsIn explaining certain principles of the present invention and practical application thereof, thereby make those skilled in the art can be realNow and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (8)
1. for an additive for foam cement, it is characterized in that, comprise following according to ratio of weight and numberComponent raw material: ethyl acetate 0.2-0.8 part, hydroxypropyl methylcellulose 20-70 part, oleic acid 0.25-5 part,Silicone oil 0.25-5 part, metakaolin 4-14 part, abietic resin 3-5 part and glyceryl monostearate (GMS)0.1-0.4 part.
2. according to claim 1 for the additive of foam cement, it is characterized in that: above-mentioned foaming waterThe additive of mud also comprises China tree flower extract 7-11 part according to ratio of weight and number.
3. according to claim 2 for the additive of foam cement, it is characterized in that: described China treeFlower extract is for being that 180-240 DEG C, pressure are 4-6MPa supercritical extract by China tree and water in temperature0.5-1h, then, by concentrated gained material, dry, to obtain final product.
4. according to claim 3 for the additive of foam cement, it is characterized in that: described China treeHua Yushui becomes 1:30-50 mass ratio.
5. according to claim 3 for the additive of foam cement, it is characterized in that: described overcriticalIn extraction process, speed of agitator is 350r/min.
6. according to claim 1 for the additive of foam cement, it is characterized in that: described is higherRidge soil is for kaolin being heated to 500-700 DEG C and keep 1h, makes after cooling.
7. according to claim 1 for the additive of foam cement, it is characterized in that: described rosinResin size is 100-120 order.
8. use the additive for foam cement to be as claimed in claim 1 used for foam cement, its feature existsIn: the additive for foam cement: foam cement becomes 0.5-2:100 weight ratio.
Priority Applications (1)
| 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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| 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 true CN105601161A (en) | 2016-05-25 |
| CN105601161B CN105601161B (en) | 2018-08-07 |
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| 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 |
| 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 |
| 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 |
-
2015
- 2015-12-18 CN CN201510963358.9A patent/CN105601161B/en active Active
Patent Citations (8)
| 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 |
| 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 |
| 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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