CN105819726B - A kind of protein surface activating agent compound foaming agent - Google Patents
A kind of protein surface activating agent compound foaming agent Download PDFInfo
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- CN105819726B CN105819726B CN201610187597.4A CN201610187597A CN105819726B CN 105819726 B CN105819726 B CN 105819726B CN 201610187597 A CN201610187597 A CN 201610187597A CN 105819726 B CN105819726 B CN 105819726B
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- foaming agent
- protein
- surfactant
- foam
- anion surfactant
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/40—Surface-active agents, dispersants
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/40—Surface-active agents, dispersants
- C04B2103/402—Surface-active agents, dispersants anionic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses a kind of protein surface activating agent compound foaming agent, it by anion surfactant or amphoteric surfactant with protein-based anion surfactant is 1 in mass ratio that the foaming agent, which is,:0.5~3 is mixed, wherein protein-based anion surfactant is casein sodium, anion surfactant is lauryl sodium sulfate, dodecyl Sodium Glycinate or sarcosyl, and amphoteric surfactant is dodecanamide propyl amine oxide or cocamidopropyl propyl amide amine oxide.The present invention utilizes the synergy between different type surfactant, reduces the surface tension of the system solution, increase film takes outlet capacity, increases the thickness of vacuolar membrane, so as to enhance the intensity of foam.Blowing agent composition of the present invention is few, and dosage is few, and without adding other auxiliary agents, foaming agent foaming is fast, and foam number is big, and stability is fine, and good with the compatibility of concrete mortar.
Description
Technical field
The invention belongs to fine chemistry industry and light inorganic material technical field, and in particular to a kind of protein surface activating agent
Compound foaming agent.
Background technology
The technology for preparing foam concrete at present mainly has two kinds, and one kind is chemical blowing, i.e., is stirred in concrete mortar
During, the method for gas is discharged by chemically reacting, inside concrete is produced stomata and is prepared into foam concrete；One
Kind is physical blowing, i.e., foaming agent is prepared into foam by way of stirring or air-blowing, then by itself and concrete mortar
It is prepared by mixing into foam concrete.Compared with chemical blowing, physical blowing cost is low, and technics comparing is simple, therefore current foam
In the preparation process of concrete based on physical blowing.Surfactant composite foamable agent is that most hairs is applied in physical blowing
Infusion, this foaming agent of one side are added to the surface tension that system can be reduced in concrete mortar, increase cement slurry
Dispersiveness, make that cement dispersants need not be added in its application process；Electricity between another aspect surfactant and cement granules
Property and electricity difference, make to produce certain active force between the two so that stable system, finally prepare even air hole distribution
Foam concrete.At present, the foaming agent of in the market main flow is forth generation compound foaming agent, which solves single component foaming agent
The problem of performance is bad.Such as Publication No. CN103553421B, entitled《A kind of environmentally friendly compounding coagulation soil foaming
Agent and preparation method thereof》Chinese patent disclose one kind by APG, methyl sodiosul foaliphatate, cocamidopropyl propyl amide sweet tea
The concrete foamer of the compositions such as dish alkali, Tea Saponin, gum arabic, polyethylene glycol and bentonite, this foaming agent foam energy
Power is good, and foam is fine and closely woven uniformly, and bleeding quantity is few, but the composition of this foaming agent is complicated, and cost is higher, it is impossible to makes on a large scale
With.It is Publication No. CN102964083B, entitled《A kind of modified soy-bean protein concrete foamer》Chinese patent it is public
Opened with modified soybean powder, cetyl trimethylammonium bromide, neopelex, rhamnolipid, gum arabic and
The concrete foamer of hydrogen peroxide composition, the foaming agent have the characteristics of concrete compatibility is preferable, bubble rate is high, but this
The preparation technology of foaming agent is more complicated, and constituent is more, and cost is higher.Publication No. CN102765962A, invention
It is entitled《A kind of macromolecule concrete foamer and preparation method thereof》Chinese patent disclose one kind by macromonomer, Asia
Sodium sulphate, acetone, formaldehyde, the composite foamable agent of methallylsulfonic acid sodium and water composition, this foaming agent have product it is stable,
Good water solubility, the characteristics of being unlikely to deteriorate, but material used in this foaming agent pollutes the environment, poisonous, its use range
It is very limited amount of.
The content of the invention
It is equal that the technical problems to be solved by the invention are to provide a kind of simple constituent, frothing capacity and foam stability energy
Excellent protein surface activating agent compound foaming agent.
Technical scheme is used by solving above-mentioned technical problem：The foaming agent is by anion surfactant or both sexes
Surfactant is 1 in mass ratio with protein-based anion surfactant:0.5~3 is mixed, wherein protein-based the moon
Ionic surface active agent is casein sodium, and anion surfactant is lauryl sodium sulfate, dodecyl Sodium Glycinate
Or sarcosyl, preferably dodecyl Sodium Glycinate or sarcosyl, amphoteric surfactant are the moon
Osmanthus LAO or cocamidopropyl propyl amide amine oxide.
The mass ratio of preferred anionic surfactant of the present invention and protein-based anion surfactant is 1:1.5~
2, the mass ratio of optimal selection anion surfactant and protein-based anion surfactant is 1:2.
The mass ratio of preferably amphoteric surfactant of the invention and protein-based anion surfactant is 1:1.5~3,
The mass ratio of optimal selection amphoteric surfactant and protein-based anion surfactant is 1:2.
When foaming agent of the present invention uses and water is 3~6 in mass ratio:1000 mixing, stir to abundant foaming.
Beneficial effects of the present invention are as follows：
1st, protein-based anion surfactant casein sodium of the present invention has foaming and foam stability energy concurrently,
The foam of its solution is fine and smooth, and foam stabilizing ability is strong, nonirritant, economic and environment-friendly, with Surfactant SDS, 12
The compatibility of acylglycine sodium, dodecanoyl sodium sarcosinate, dodecanamide propyl amine oxide, cocamidopropyl propyl amide amine oxide etc.
It is good, there is synergy well, the interaction of foam and cement granules, raising and concrete grout can be effectively improved simultaneously
The workability of body, foam are not easily broken so that effective foam increases.
2nd, Blowing agent composition of the present invention is few, without adding foam stabilizer, without being heat-treated to foaming agent, and the bubble of foaming agent
Foam foaming is fast, and foam volume is big, and stability and foamability are preferable, and more than 30 times, half foam life period is all higher than coefficient of foaming
50 minutes, and most long can reach more than 5 hours.
3rd, foaming agent of the present invention has good compatibility with foam concrete, between the electric charge and cement granules of its band
Effect foam can be made to be dispersed in cement slurry so that the pore-size distribution of final prepared foam concrete is equal
It is even, and majority is blind hole, so as to improve the performance of prepared foam concrete.The dry density of prepared foam concrete is
600kg/m3During left and right, its compression strength is all higher than 2.70MPa.
Brief description of the drawings
Fig. 1 is that the compound foaming agent that embodiment 1~12 obtains forms the conductivity value of foam and changed with time.
Fig. 2 is the foam number that the compound foaming agent that embodiment 1~12 obtains forms foam.
Fig. 3 is the half-life period that the compound foaming agent that embodiment 1~12 obtains forms foam.
Embodiment
Here is that the present invention is described in more detail in conjunction with the accompanying drawings and embodiments, but protection scope of the present invention not only limits
In these embodiments.
Embodiment 1
0.20g casein sodiums, 0.40g dodecyl Sodium Glycinates are well mixed, obtain compound foaming agent.
Embodiment 2
0.30g casein sodiums, 0.30g dodecyl Sodium Glycinates are well mixed, obtain compound foaming agent.
Embodiment 3
0.36g casein sodiums, 0.24g dodecyl Sodium Glycinates are well mixed, obtain compound foaming agent.
Embodiment 4
0.40g casein sodiums, 0.20g dodecyl Sodium Glycinates are well mixed, obtain compound foaming agent.
Embodiment 5
0.36g casein sodiums, 0.24g sarcosyls are well mixed, obtain compound foaming agent.
Embodiment 6
0.30g casein sodiums, 0.30g lauryl sodium sulfate are well mixed, obtain compound foaming agent.
Embodiment 7
0.40g casein sodiums, 0.20g lauryl sodium sulfate are well mixed, obtain compound foaming agent.
Embodiment 8
0.45g casein sodiums, 0.15g lauryl sodium sulfate are well mixed, obtain compound foaming agent.
Embodiment 9
0.36g casein sodiums, 0.24g lauroyl propyl group amine oxides are well mixed, obtain compound foaming agent.
Embodiment 10
0.40g casein sodiums, 0.20g lauroyl propyl group amine oxides are well mixed, obtain compound foaming agent.
Embodiment 11
0.45g casein sodiums, 0.15g lauroyl propyl group amine oxides are well mixed, obtain compound foaming agent.
Embodiment 12
0.40g casein sodiums, 0.20g cocamidopropyl amine oxides are well mixed, obtain compound foaming agent.
In order to prove beneficial effects of the present invention, the foaming agent that inventor respectively obtains 0.60g embodiments 1~12 is distinguished
It is added in 100g water, is stirred to abundant foaming with high speed agitator, tested using electrical conductivity method, volumetric method and half-life period method
Its foaming characteristic and stability, experimental result are shown in Fig. 1~3 and table 1.
Table 1 is that the conductivity value of different foaming agents formation foams changes over time fitting a straight line equation and its fitting of curve
Degree, data acquired by the fitting a straight line equation of electrical conductivity are that electrical conductivity reaches the later data of maximum, R2For linear equation
Degree of fitting.
The conductivity value of 1 different foaming agents of table formation foam changes over time the fitting a straight line equation and its degree of fitting of curve
| Foaming agent | Fitting a straight line equation | R2 |
| Embodiment 1 | Y=-0.6848x+47.923 | 0.9494 |
| Embodiment 2 | Y=-0.4999x+51.091 | 0.9779 |
| Embodiment 3 | Y=-0.3786x+40.453 | 0.9434 |
| Embodiment 4 | Y=-0.2817x+51.216 | 0.9870 |
| Embodiment 5 | Y=-0.3981x+41.453 | 0.9762 |
| Embodiment 6 | Y=-1.6209x+53.993 | 0.9894 |
| Embodiment 7 | Y=-0.8563x+50.322 | 0.9926 |
| Embodiment 8 | Y=-0.8293x+61.481 | 0.9820 |
| Embodiment 9 | Y=-1.0194x+22.965 | 0.9797 |
| Embodiment 10 | Y=-0.8375x+25.378 | 0.9980 |
| Embodiment 11 | Y=-0.8222x+23.907 | 0.9960 |
| Embodiment 12 | Y=-0.9603x+21.567 | 0.9762 |
From Fig. 1 and table 1 result, the fitting a straight line equation of the electrical conductivity for the foaming agent that embodiment 1~12 obtains
Absolute value is smaller, and the variation tendency of its electrical conductivity is slower, shows that the stability of foaming agent of the present invention is preferable, degree of fitting R2Value
Both greater than 0.9, illustrate that degree of fitting is relatively good, the number range taken is more reasonable.
From Fig. 2, Fig. 3 result, the foam number for the foaming agent that the embodiment of the present invention 1~12 obtains is bigger, and
Half-life period is all higher than 50 minutes, and the half-life period of the wherein foaming agent that embodiment 5 obtains is most long, can reach more than 5 hours.
In order to further prove beneficial effects of the present invention, inventor stirs 420g cement, 280g flyash and 340g water
Mix uniformly, cement mortar is made；The foaming agent that 0.30g embodiments 1~12 obtain is added separately in 50g water, stirred to abundant
In cement mortar made from being added after foaming, it is sufficiently stirred 5 minutes, pours into mould, be stripped after one day, natural curing 28 days, obtain
Foam concrete block.By testing the compression strength and dry density of foam concrete block, the performance of foaming agent is evaluated.Measure
It the results are shown in Table 2.
The physical property detection and analysis of foam concrete block prepared by 2 different foaming agents of table
| Foaming agent | Dry density (kg/m3) | Compression strength (MPa) |
| Embodiment 1 | 627 | 3.20 |
| Embodiment 2 | 657 | 3.65 |
| Embodiment 3 | 631 | 3.49 |
| Embodiment 4 | 691 | 3.81 |
| Embodiment 5 | 657 | 3.51 |
| Embodiment 6 | 586 | 2.77 |
| Embodiment 7 | 641 | 3.48 |
| Embodiment 8 | 659 | 3.52 |
| Embodiment 9 | 605 | 2.79 |
| Embodiment 10 | 652 | 3.41 |
| Embodiment 11 | 677 | 3.79 |
| Embodiment 12 | 631 | 3.17 |
From the result of table 2, using the dry density of the foam concrete block prepared by the foaming agent of the present invention 580
~700kg/m3Within the scope of, compression strength is all higher than 2.70MPa, the results showed that the excellent performance of foaming agent of the present invention.
Claims (2)
- A kind of 1. protein surface activating agent compound foaming agent, it is characterised in that：The foaming agent is by anion surface active Agent is 1 in mass ratio with protein-based anion surfactant:1.5~2 are mixed, wherein protein-based anionic surface Activating agent is casein sodium, and anion surfactant is dodecyl Sodium Glycinate or sarcosyl.
- 2. protein surface activating agent compound foaming agent according to claim 1, it is characterised in that：Described anion The mass ratio of surfactant and protein-based anion surfactant is 1:2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610187597.4A CN105819726B (en) | 2016-03-29 | 2016-03-29 | A kind of protein surface activating agent compound foaming agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187597.4A CN105819726B (en) | 2016-03-29 | 2016-03-29 | A kind of protein surface activating agent compound foaming agent |
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| Publication Number | Publication Date |
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| CN105819726A CN105819726A (en) | 2016-08-03 |
| CN105819726B true CN105819726B (en) | 2018-01-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110606684B (en) * | 2018-06-14 | 2021-12-10 | 中国石油化工股份有限公司 | Foam stabilizer composition, foam cement slurry additive and foam cement slurry |
| CN110668738B (en) * | 2018-07-02 | 2022-12-13 | 中石化石油工程技术服务有限公司 | Foam cement slurry and preparation method thereof |
| CN109320189A (en) * | 2018-11-22 | 2019-02-12 | 张俊华 | A kind of foamed concrete and preparation method thereof |
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| CN102887663A (en) * | 2012-10-15 | 2013-01-23 | 同济大学 | Compound foaming agent for foam concrete and preparation method thereof |
| CN103611464A (en) * | 2013-11-14 | 2014-03-05 | 陕西师范大学 | Amphiprotic-anionic surfactant composite foaming agent and method for testing foam stabilizing property of amphiprotic-anionic surfactant composite foaming agent |
| CN104446088A (en) * | 2014-10-31 | 2015-03-25 | 陕西师范大学 | Amino acid anionic-cationic surfactant based composite foaming agent |
| CN104446532A (en) * | 2014-10-30 | 2015-03-25 | 合肥诚信玻璃有限公司 | Light refractory foam brick and preparation method thereof |
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2016
- 2016-03-29 CN CN201610187597.4A patent/CN105819726B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002046342A2 (en) * | 2000-12-08 | 2002-06-13 | Novaprot Gmbh | Interface-active combination, which is effective in cleaning, which is comprised of renewable raw materials, and which has a high grease solubilizing power |
| CN102887663A (en) * | 2012-10-15 | 2013-01-23 | 同济大学 | Compound foaming agent for foam concrete and preparation method thereof |
| CN103611464A (en) * | 2013-11-14 | 2014-03-05 | 陕西师范大学 | Amphiprotic-anionic surfactant composite foaming agent and method for testing foam stabilizing property of amphiprotic-anionic surfactant composite foaming agent |
| CN104446532A (en) * | 2014-10-30 | 2015-03-25 | 合肥诚信玻璃有限公司 | Light refractory foam brick and preparation method thereof |
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