CN102731140A - Foaming agent of sandwich foam concrete for composite insulation walls and method for making the same - Google Patents
Foaming agent of sandwich foam concrete for composite insulation walls and method for making the same Download PDFInfo
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- CN102731140A CN102731140A CN2011100875014A CN201110087501A CN102731140A CN 102731140 A CN102731140 A CN 102731140A CN 2011100875014 A CN2011100875014 A CN 2011100875014A CN 201110087501 A CN201110087501 A CN 201110087501A CN 102731140 A CN102731140 A CN 102731140A
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Abstract
The invention discloses a foaming agent of sandwich foam concrete for composite insulation walls and a method for making the same. The method comprises the steps: 1) adding two polybasic acids according to a certain molar ratio to a stirred tank reactor, heating the acids to dissolve with water, and controlling the temperature of an external bath at 105 - 110 DEG C; 2) neutralizing the reaction solution slowly by inorganic aqueous alkali to obtain a transparent solution after the temperature of the reaction solution reaches 80+/-5 DEG C; 3) adding a compound with a plurality of reactive groups to continue the reaction to generate a one-dimensional chain compound A; 4) adding a conventional surfactant to make the compound A be adsorbed on the surfaces of surfactant micelles; and 5) adding a cross-linking agent to allow the compound A to be cross-linked into a two-dimensional planar structure. The foaming agent foam can form a spherical net structure, which makes the foam become more stable, in cement slurry with the help of calcium ions from cement hydration and calcium ions on coal ash particle surfaces, thereby producing foam concrete castable which can be applied to sandwich insulation materials for the composite insulation walls.
Description
Technical field
The present invention relates to a kind of concrete additive; Belong to the fine chemical product technical field; Particularly relate to a kind of composite thermal-insulating wall sandwich foam concrete foamer and preparation method thereof; The production that it is mainly used in the sandwich heat preservation material foamed concrete of composite thermal-insulating wall can certainly be used for the foamed concrete production in fields such as roofing, floor heating thermal insulation layer.
Background technology
Foamed concrete, often by the density divided rank, promptly 3 grades is 300kg/m3,4 grades is 400kg/m3 ....Light foam concrete generally refers to 3～6 grades of foamed concrete.Light foam concrete is owing to have light weight, high-strength, energy-conservation, sharp useless, insulation, sound insulation, performance such as ageing-resistant, nonflammable, thereby its development research and be applied in and received increasing attention both at home and abroad.The gordian technique of light foam concrete production is the development of whipping agent; Foam concrete foamer; From rosined soap, protein hydrolyzate to planting albumen (or superpolymer by tensio-active agent (foaming component) and animal; Steady bubble component) the composite compound foaming agent of processing, all there are the contradiction of mutual restriction in the foamed concrete output of their per kilograms, quality.For example, with 4 grades of foamed concrete of 32.5# manufacture of cement: the output of rosined soap is about 0.625m
3/ kg, ultimate compression strength is 0.8MPa; The output of protein hydrolyzate is about 1.0m
3/ kg, ultimate compression strength is 1.0MPa; Compound foaming agent is 1.5m according to its foaming component with steady different its output of ratio of steeping component
3/ kg-2.0m
3/ kg, ultimate compression strength is to change between the 0.6Mpa-0.5MPa.
The LC-01 type foam concrete foamer of Luoyang Normal College and Henan Chang Hui building energy conservation Engineering Co., Ltd joint research and development (application number is 200910138376.8); Though on foam concrete foamer structure, composition principle and performance, all obtained important breakthrough; Overcome the contradiction of foaming component effectively with steady bubble component; And have that raw material is easy to get, advantage that nontoxic, foamed concrete output and quality all significantly improve; But its production technique need use high-pressure oxidation to synthesize a kind of intermediates, and this can increase production cost undoubtedly.
In addition, as the foamed concrete of floor heating thermal insulation layer, its slurry cast thickness is generally less than 40mm; As the foamed concrete of roof heat insulation, its slurry cast thickness is generally within 300mm; And the sandwich heat preservation material of composite thermal-insulating wall is used foamed concrete, and the each cast of its slurry highly at least need be more than 1m, and this just has higher requirement to foam concrete foamer.
Therefore, how further researching and developing the more stable concrete foamer of foam, and be fit to the used foamed concrete mould material of composite thermal-insulating wall sandwich heat preservation material more, is present one of ordinary skill in the art's important topic.
Summary of the invention
The objective of the invention is to; A kind of new composite thermal-insulating wall sandwich foam concrete foamer is provided; The existing whipability of its active ingredient, its foam resemble the X 2073 in cement slurry, the calcium ion that can produce by hydrated cementitious again, and the calcium ion on fly ash grain surface form spherical reticulated structure; Make foam become more stable, be fit to the used foamed concrete mould material of composite thermal-insulating wall sandwich heat preservation material thereby produce.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.According to a kind of composite thermal-insulating wall sandwich foam concrete foamer that the present invention proposes, it is to be processed by the raw material of following mass percentage content:
1. raw material is that mass percent concentration is 30% polyacrylic acid solution; 2. raw material is that mass percent concentration is 99.8% Succinic Acid; 3. raw material is that mass percent concentration is 96% sodium hydroxide or KOH; 4. raw material is (1 mole) Starso or (0.25 mole) borax; 5. raw material is that mass percent concentration is 70% polyoxyethylenated alcohol sodium sulfate; 6. raw material is that mass percent concentration is 85% triethanolamine solution.
According to the composite thermal-insulating wall sandwich foam concrete foamer of the embodiment of the invention, 1. said raw material can also be that mass percent concentration is 48% HPMA solution.
According to the composite thermal-insulating wall sandwich foam concrete foamer of the embodiment of the invention, said Starso can be anhydrous sodium metasilicate, metasilicate pentahydrate sodium or nine aquation Starsos.
In addition, the invention allows for a kind of preparation method of composite thermal-insulating wall sandwich foam concrete foamer, the method comprising the steps of:
1) ROHM (is called for short PAA, with " CH
2-CH-COOH " the meter molar mass) or HPMA (be called for short HPMA, in " HOOC-CH=" its molar mass), Succinic Acid (with " CH
2-COOH " count its molar mass) join in the stirred autoclave by certain mol proportion (the total mole number amount is 6 moles), the water heating for dissolving, controlling outer bath temperature is 105～110 ℃;
2) after reacting liquid temperature reaches 80 ± 5 ℃, (mass percentage concentration is 10-20%, uses Starso (Na for sodium hydroxide after will dissolving with tap water or Pottasium Hydroxide
2SiO
3) time, consumption is 6 moles; Consumption is 16 moles when using borax) slowly join in the reaction kettle, make reaction solution form clear solution;
3) add Starso (Na
2SiO
3) 1.0 moles of 4.0 moles or boraxs, continue reaction 30～50 minutes;
4) add 12 moles of polyoxyethylenated alcohol sodium sulfate (being called for short AES), continue reaction, up to the reaction solution transparent and homogeneous;
5) add 4 moles of trolamines, continue reaction to finishing;
According to the preparation method of the embodiment of the invention, in the step 1), adopt stainless steel or enamel stirred autoclave, be oil bath electrically heated or jacketed type steam heating, reactor volume is 0.5～3m
3, the reaction times is 5～10 minutes; Water, ROHM or HPMA, Succinic Acid three's mol ratio is (41～45): (2～4): (4～2).
According to the preparation method of the embodiment of the invention, step 2) in, the mol ratio of sodium hydroxide or Pottasium Hydroxide and organic acid total amount is: 1: 1; Reaction times is 10 minutes.
According to the preparation method of the embodiment of the invention, in the step 3), when temperature of reaction system was 95 ± 5 ℃, stirring arm was a frame, and rotating speed is 50～80 rev/mins.
According to the preparation method of the embodiment of the invention, the reaction times in the step 4) is 30～40 minutes; Reaction times in the step 5) is 30 minutes.
According to the preparation method of the embodiment of the invention, the finished product of step 5) preparation adopts the basin of stainless steel or enamel material to store; Finished product packing adopts the plastic tank of 50～200kg.
By technique scheme, composite thermal-insulating wall sandwich foam concrete foamer of the present invention and preparation method thereof has advantage at least:
(1) concrete foamer of the present invention on microcosmic, is a two-dimensional plane macromole, on one side the plane has a large amount of hydrophilic group, the other side that a large amount of hydrophobic groups is arranged, and flat edge along have can with calcium ion reactive activity group; The foam concrete foamer of this structure, the existing good whipability of its active ingredient has well steady bubble function again concurrently;
(2) foam is in cement slurry; Be positioned at calcium ion that the reactive group on flat edge edge can produce with hydrated cementitious, and combine the formation chemical bond with the calcium ion on fly ash grain surface; Thereby the adjacent planar molecular chain is connected into spherical net; Make in the mixing process of foam and cement, flyash slurry to be difficult for breaking, and test that can withstanding pressure;
(3) foam is difficult for breaking; Not only can improve the service efficiency of whipping agent; The more important thing is that the SURFACTANT ADSORPTION that can effectively avoid breaking foam is in cement, fly ash grain surface; Influence normally condensing of hydrated cementitious and cement, flyash slurry, thereby improve the ultimate compression strength of foamed concrete product.
Description of drawings
Fig. 1 is the process flow sheet of the ST whipping agent of the embodiment of the invention.
Embodiment
Shown in Figure 1 is the process flow sheet of the ST whipping agent of the embodiment of the invention, reactant wherein:
1. raw material is that (30% mass concentration, molar mass is with " CH for polyacrylic acid solution
2-CH-COOH " meter, solvent is a water, down together) or HPMA solution (HPMA, 48%, molar mass is in " HOOC-CH="); 2. raw material is Succinic Acid (99.8%); 3. raw material is sodium hydroxide (96%) or KOH (96%), the molal quantity sum of the molal quantity of used sodium hydroxide or Pottasium Hydroxide and the organic acid of getting (3. essential, as 1. 2. to select); 4. raw material is water glass (anhydrous, five water or nine hydrates) or borax (1 mole); 5. raw material is polyoxyethylenated alcohol sodium sulfate (being called for short AES, 70%); 6. raw material is triethanolamine solution (85%).
Conversion unit in the process flow sheet:
Stainless steel or enamel stirred autoclave are oil bath electrically heated or jacketed type steam heating, and reactor volume is 0.5～3m
3Outer bath temperature is controlled at 105～110 ℃, and temperature of reaction system is 95 ± 5 ℃; Stirring arm is a frame, and rotating speed is 50～80 rev/mins; The finished product basin is stainless steel or enamel material; Finished product packing is 50～200kg plastic tank.
Processing condition in the process flow sheet:
With the tap water is solvent, and the system temperature of reaction is 80～100 ℃, and optimal temperature conditions is 95 ± 3 ℃; Total water amount and raw material 1,2,3 (water glass/borax), 4 (water glass/boraxs), 5,6 mol ratio are followed successively by (41～45): (2～4): (4～2): (6/10): (4/1): 12: 4; 1. reaction times be 5～10 minutes; 2. it is 10 minutes; 3. it is 30～50 minutes; 4. it is 30～40 minutes; 5. it is 30 minutes.
In the technology of the present invention: just the synthetic product is translucent solution～clear solution; Placing a couple of days has a little flocks; This deposition lid is because a spot of calcium, mg ion cause in the tap water, gets the upper strata clear solution that the quality in the product accounts for more than 99% and is product of the present invention.
Each item physical and chemical index of composite thermal-insulating wall sandwich foam concrete foamer of the present invention is as shown in table 1.
Each item physical and chemical index (20 ℃) of table 1 composite thermal-insulating wall sandwich foam concrete foamer
| Project | Index |
| Outward appearance | Little yellow transparent |
| Active matter content (%) | 20±0.5 |
| Density | 1.06±0.02 |
| Viscosity (centipoise) | 240±8 |
| 1: 100 diluent pH | 7.0±0.1 |
| Extension rate | 1∶100 |
| Foam expansion (m 3/kg) | 5.0±0.5 |
| Service efficiency * (m 3/kg) | 4.0±0.5 |
| The foamed concrete slurry * of anti-vertical height * (m) | ＞3.0 |
*: service efficiency refers to the cubic meter number of per kilogram whipping agent producible 4 grades and following foamed concrete
*: 3m is high for the cast of foamed concrete slurry, and lower density is even on the back goods that condense, and limit height is to be measured
Embodiment 1
Raw material:
1. ROHM (be called for short PAA, 30%, M=72.06) 14.41kg
2. Succinic Acid (industrial goods, 99.8%, Anhui, M=59.05) 7.17kg
3. NaOH (96.0%, Tianjin, M=40) 7.50kg
4. non-hydrate sodium metasilicate (industrial goods, 99%, Liaoning, M=284.22) 34.44kg
5. polyoxyethylenated alcohol sodium sulfate (be called for short AES, 70%, Jilin, M=420) 216.00kg
6. trolamine (industrial goods, 85%, Xingtai, M=149.18) 21.06kg
7. tap water (M=18) 809.00kg
Compound method:
Has temperature automatically controlled 2m
3In the stirred autoclave, add ROHM, Succinic Acid and tap water 609kg, heating for dissolving is controlled 110 ℃ of outer bath temperatures; Earlier 3. raw material is dissolved with the 100kg tap water,, can the raw material aqueous solution 3. be added reaction system if when reaction system transparent and homogeneous and temperature≤85 ℃; If temperature>=100 ℃ then need slowly to add, in case bumping is poured in the reaction kettle with three washing alkali liquid containers of 50kg moisture and washings; Add raw material 4., continue reaction 30 minutes; 4) add raw material 5. with minusing, continue reaction,, need 35 minutes approximately up to the reaction solution transparent and homogeneous; Add raw material 6., pour in the reaction kettle, continue reaction and finished in 30 minutes with three washing alkali liquid containers of 50kg moisture and washings; The synthetic transferred product in the finished product basin, is left standstill more than 24 hours, emit earlier and have sedimentary product, filtered and recycled filtrating (product), then the product with clear pours in the pail pack.
Embodiment 2
Raw material:
1. HPMA (HPMA, 48%, M=58.01) 7.26kg
2. Succinic Acid (industrial goods, 99.8%, Anhui, M=59.05) 7.17kg
3. NaOH (96.0%, Tianjin, M=40) 7.50kg
4. non-hydrate sodium metasilicate (industrial goods, 99%, Liaoning, M=284.22) 34.44kg
5. polyoxyethylenated alcohol sodium sulfate (be called for short AES, 70%, Jilin, M=420) 216.00kg
6. trolamine (industrial goods, 85%, Xingtai, M=149.18) 21.06kg
7. tap water (M=18) 812.00kg
Compound method:
Has temperature automatically controlled 2m
3In the stirred autoclave, add ROHM, Succinic Acid and tap water 612kg, heating for dissolving is controlled 110 ℃ of outer bath temperatures; Earlier 3. raw material is dissolved with the 100kg tap water,, can the raw material aqueous solution 3. be added reaction system if when reaction system transparent and homogeneous and temperature≤85 ℃; If temperature>=100 ℃ then need slowly to add, in case bumping is poured in the reaction kettle with three washing alkali liquid containers of 50kg moisture and washings; Add raw material 4., continue reaction 30 minutes; 4) add raw material 5. with minusing, continue reaction,, need 35 minutes approximately up to the reaction solution transparent and homogeneous; Add raw material 6., pour in the reaction kettle, continue reaction and finished in 30 minutes with three washing alkali liquid containers of 50kg moisture and washings; The synthetic transferred product in the finished product basin, is left standstill more than 24 hours, emit earlier and have sedimentary product, filtered and recycled filtrating (product), then the product with clear pours in the pail pack.
Compare with embodiment 1, its advantage is that product performance have raising slightly.
Embodiment 3
Raw material:
1. ROHM (be called for short PAA, 30%, M=72.06) 14.41kg
2. Succinic Acid (industrial goods, 99.8%, Anhui, M=59.05) 7.17kg
3. NaOH (96.0%, Tianjin, M=40) 7.50kg
4. anhydrous sodium metasilicate (industrial goods, 99%, Liaoning, M=122.22) 14.82kg
5. polyoxyethylenated alcohol sodium sulfate (be called for short AES, 70%, Jilin, M=420) 216.00kg
6. trolamine (industrial goods, 85%, Xingtai, M=149.18) 21.06kg
7. tap water (M=18) 750.00kg
Compound method:
Has temperature automatically controlled 2m
3In the stirred autoclave, add ROHM, Succinic Acid and tap water 550kg, heating for dissolving is controlled 110 ℃ of outer bath temperatures; Earlier 3. raw material is dissolved with the 100kg tap water,, can the raw material aqueous solution 3. be added reaction system if when reaction system transparent and homogeneous and temperature≤85 ℃; If temperature>=100 ℃ then need slowly to add, in case bumping is poured in the reaction kettle with three washing alkali liquid containers of 50kg moisture and washings; Add raw material 4., continue reaction 30 minutes; 4) add raw material 5. with minusing, continue reaction,, need 35 minutes approximately up to the reaction solution transparent and homogeneous; Add raw material 6., pour in the reaction kettle, continue reaction and finished in 30 minutes with three washing alkali liquid containers of 50kg moisture and washings; The synthetic transferred product in the finished product basin, is left standstill more than 24 hours, emit earlier and have sedimentary product, filtered and recycled filtrating (product), then the product with clear pours in the pail pack.
Compare with embodiment 1, the product performance indifference, but raw materials cost rises to some extent, and the three-step reaction time need extend to 50 minutes.
Embodiment 4
Raw material:
1. ROHM (be called for short PAA, 30%, M=72.06) 14.41kg
2. Succinic Acid (industrial goods, 99.8%, Anhui, M=59.05) 7.17kg
3. NaOH (96.0%, Tianjin, M=40) 12.51kg
4. borax (industrial goods, 95%, Liaoning, M=381.37) 12.03kg
5. polyoxyethylenated alcohol sodium sulfate (be called for short AES, 70%, Jilin, M=420) 216.00kg
6. trolamine (industrial goods, 85%, Xingtai, M=149.18) 21.06kg
7. tap water (M=18) 737.00kg
Compound method:
Has temperature automatically controlled 2m
3In the stirred autoclave, add ROHM, Succinic Acid and tap water 537kg, heating for dissolving is controlled 110 ℃ of outer bath temperatures; Earlier 3. raw material is dissolved with the 100kg tap water,, can the raw material aqueous solution 3. be added reaction system if when reaction system transparent and homogeneous and temperature≤85 ℃; If temperature>=100 ℃ then need slowly to add, in case bumping is poured in the reaction kettle with three washing alkali liquid containers of 50kg moisture and washings; Add raw material 4., continue reaction 30 minutes; 4) add raw material 5. with minusing, continue reaction,, need 35 minutes approximately up to the reaction solution transparent and homogeneous; Add raw material 6., pour in the reaction kettle, continue reaction and finished in 30 minutes with three washing alkali liquid containers of 50kg moisture and washings; The synthetic transferred product in the finished product basin, is left standstill more than 24 hours, emit earlier and have sedimentary product, filtered and recycled filtrating (product), then the product with clear pours in the pail pack.
Compare with embodiment 1, its foam is with after cement, flyash slurry mix, and the foamed slurry denseness increases not as embodiment 1, and it is fit to be 200kg/m
3The foamed concrete of above unit weight.
In addition, the present invention and the patent No. are that the key distinction of the LC-01 type foam concrete foamer of ZL200910138376.8 is:
1. need not use 6501, ydrogen peroxide 50 and the reacted intermediates of high-pressure oxidation thereof;
2. need not use rosin;
3. ROHM or HPMA have been increased
4. reaction conditions is gentle, and material cost reduces by 30%.
The above; It only is preferred embodiment of the present invention; Operational condition of the present invention is looser, can not enumerate one by one with embodiment, therefore; Only be to change proportioning or reaction times, the temperature of reaction etc. of reaction mass, all still belong in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. composite thermal-insulating wall sandwich foam concrete foamer is characterized in that it is to be processed by following reactant feed:
1. raw material is that mass percent concentration is 30% polyacrylic acid solution;
2. raw material is that mass percent concentration is 99.8% Succinic Acid;
3. raw material is that mass percent concentration is 96% sodium hydroxide or KOH;
4. raw material is 1 mole Starso or 0.25 mole borax;
5. raw material is that mass percent concentration is 70% polyoxyethylenated alcohol sodium sulfate;
6. raw material is that mass percent concentration is 85% triethanolamine solution.
2. composite thermal-insulating wall sandwich foam concrete foamer according to claim 1 is characterized in that: 1. said raw material can also be that mass percent concentration is 48% HPMA solution.
3. composite thermal-insulating wall sandwich foam concrete foamer according to claim 1 is characterized in that: said Starso can be anhydrous sodium metasilicate, metasilicate pentahydrate sodium or nine aquation Starsos.
4. the preparation method of a composite thermal-insulating wall sandwich foam concrete foamer is characterized in that it may further comprise the steps:
1) ROHM or HPMA, Succinic Acid are joined in the stirred autoclave by certain mol proportion, the water heating for dissolving, controlling outer bath temperature is 105～110 ℃;
2) after reacting liquid temperature reaches 80 ± 5 ℃, will slowly join in the reaction kettle with sodium hydroxide or the Pottasium Hydroxide after the tap water dissolving, make reaction solution form clear solution;
3) add 1 mole of 4 moles of Starsos or borax, continue reaction 30～50 minutes;
4) add 12 moles of polyoxyethylenated alcohol sodium sulfate, continue reaction, up to the reaction solution transparent and homogeneous;
5) add 4 moles of trolamines, continue reaction to finishing;
5. the preparation method of composite thermal-insulating wall sandwich foam concrete foamer according to claim 4; It is characterized in that: in the step 1), water, ROHM or HPMA, Succinic Acid three's mol ratio is (41～45): (2～4): (4～2).
6. the preparation method of composite thermal-insulating wall sandwich foam concrete foamer according to claim 4; It is characterized in that: in the step 1); Adopt stainless steel or enamel stirred autoclave, be oil bath electrically heated or jacketed type steam heating, reactor volume is 0.5～3m
3, the reaction times is 5～10 minutes.
7. the preparation method of composite thermal-insulating wall sandwich foam concrete foamer according to claim 4 is characterized in that: step 2) in, the mass percentage concentration of sodium hydroxide or Pottasium Hydroxide is 10～20%; Reaction times is 10 minutes.
8. the preparation method of composite thermal-insulating wall sandwich foam concrete foamer according to claim 4 is characterized in that: in the step 3), when temperature of reaction system was 95 ± 5 ℃, stirring arm was a frame, and rotating speed is 50～80 rev/mins.
9. the preparation method of composite thermal-insulating wall sandwich foam concrete foamer according to claim 4 is characterized in that: the reaction times in the step 4) is 30～40 minutes; Reaction times in the step 5) is 30 minutes.
10. the preparation method of composite thermal-insulating wall sandwich foam concrete foamer according to claim 4 is characterized in that: the finished product of step 5) preparation adopts the basin of stainless steel or enamel material to store; Finished product packing adopts the plastic tank of 50～200kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100875014A CN102731140A (en) | 2011-04-06 | 2011-04-06 | Foaming agent of sandwich foam concrete for composite insulation walls and method for making the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100875014A CN102731140A (en) | 2011-04-06 | 2011-04-06 | Foaming agent of sandwich foam concrete for composite insulation walls and method for making the same |
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|---|---|
| CN102731140A true CN102731140A (en) | 2012-10-17 |
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ID=46987534
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987027A (en) * | 2015-06-10 | 2015-10-21 | 中国铁路总公司 | High-speed rail ballastless track concrete roadbed slab crack restoration material and preparation and application thereof |
| CN110590217A (en) * | 2019-09-11 | 2019-12-20 | 南阳师范学院 | Mortar type foam concrete foaming agent and production method thereof |
| CN112924656A (en) * | 2021-03-17 | 2021-06-08 | 哈尔滨工业大学 | Temperature-adjustable and pressure-adjustable foam light soil bubble attenuation testing device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006065107A1 (en) * | 2004-12-17 | 2006-06-22 | Cheil Industries Inc. | Foamed marble article and method for preparing the same |
| CN101638303A (en) * | 2009-05-07 | 2010-02-03 | 洛阳师范学院 | LC-01 type foam concrete foamer |
-
2011
- 2011-04-06 CN CN2011100875014A patent/CN102731140A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006065107A1 (en) * | 2004-12-17 | 2006-06-22 | Cheil Industries Inc. | Foamed marble article and method for preparing the same |
| CN101638303A (en) * | 2009-05-07 | 2010-02-03 | 洛阳师范学院 | LC-01 type foam concrete foamer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987027A (en) * | 2015-06-10 | 2015-10-21 | 中国铁路总公司 | High-speed rail ballastless track concrete roadbed slab crack restoration material and preparation and application thereof |
| CN110590217A (en) * | 2019-09-11 | 2019-12-20 | 南阳师范学院 | Mortar type foam concrete foaming agent and production method thereof |
| CN112924656A (en) * | 2021-03-17 | 2021-06-08 | 哈尔滨工业大学 | Temperature-adjustable and pressure-adjustable foam light soil bubble attenuation testing device and method |
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Application publication date: 20121017 |