CN106588116A - Nano silicon dioxide/lauryl alcohol modified compound foaming agent and preparation method - Google Patents
Nano silicon dioxide/lauryl alcohol modified compound foaming agent and preparation method Download PDFInfo
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- CN106588116A CN106588116A CN201611266311.8A CN201611266311A CN106588116A CN 106588116 A CN106588116 A CN 106588116A CN 201611266311 A CN201611266311 A CN 201611266311A CN 106588116 A CN106588116 A CN 106588116A
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- foaming agent
- nano silicon
- lauryl alcohol
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of building materials, and particularly relates to a nano silicon dioxide/lauryl alcohol modified compound foaming agent and a preparation method. The nano silicon dioxide/lauryl alcohol modified compound foaming agent is obtained by the following steps: adding a surfactant into water to form a mixed solution A; adding methylcellulose and triethanolamine into the mixed solution A to form a compound foaming agent; adding silicon dioxide and a dispersant into water, performing mixing stirring to form suspension, and performing dispersion to form nano silicon dioxide suspension; adding lauryl alcohol to form suspension B; and adding the suspension into the compound foaming agent. The nano silicon dioxide/lauryl alcohol modified compound foaming agent provided by the invention is high in foam expansion and good foam stability, can form micro, concentrated and uniform foams, and can greatly improve the heat insulation property of a cement board when used for preparing a heat-insulation cement board.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of nano silicon/lauryl alcohol modified composite
Foaming agent and preparation method.
Background technology
At present, the consumption more and more higher of the countries in the world energy, and production of energy and supply are difficult to increase substantially, energy-conservation
Work is a difficult task for a long time.Wherein, building energy conservation is the important component part of whole energy conservation, and builds section
The use that it is critical only that insulation material of energy, so the research of insulation material is critically important.Insulation material be one kind slow down by conduction,
The material or composite of the heat flow rate that convection current, radiation are produced.Insulation material can be divided into organic insulation material and inorganic guarantor
Adiabator.Organic insulation material is poor due to its fire resistance, and application is increasingly restricted, and inorganic heat insulation material is excellent due to which
Good fire resistance is increasingly subject to people's attention.
Foam cement product is a kind of inorganic heat insulation material of function admirable.Foam cement product be with cement, foaming agent,
Admixture, reinforcing fiber and additive etc. be raw material it is foamed made by light porous material.Foaming agent is used as preparation foaming water
One of key technology of mud product, the quality of its quality directly affect the performance of foam cement.At present, on market foaming agent kind
Class is a lot, but quality is uneven, mainly lives including rosin, synthesis class surfactant, protide and compound surface
Property agent.Wherein rosin foaming agent is first generation foaming agent, abundant raw material, low cost, simple production process, but such foaming agent
Foam uniformity, coefficient of foaming and foam stability it is all general；Synthesis class surfactant foaming agent is second filial generation foaming agent,
This kind of foaming agent is easy to foaming, and coefficient of foaming is high, but has that steep that wall is thin, stability is poor and big etc. lacking is affected on concrete strength
Point；Protide foaming agent is third generation blowing agents, and which is broadly divided into two class of vegetable protein and animal proteinum, this kind of foaming agent foam
Good stability, but coefficient of foaming is slightly worse compared with synthesis class surfactant；Compound foaming agent is forth generation foaming agent, this kind of
Infusion is no longer single component, but is composited by several functions component, is increasingly favored by people.
In prior art, such as Chinese patent CN104973814A《A kind of cement blowing agent preparation technology》Disclose a kind of water
Cement foaming agent, this foaming agent are composited by modified nano silicon and blowing agent AC, although the foaming agent for obtaining can
To reduce partial foaming dosage, but blowing agent AC is a kind of organic foaming agent, it is impossible to ensure to produce in cement uniformly
Foam.Chinese patent CN1907552A is disclosed《A kind of composite foamable agent and preparation method thereof》, using inorganic foaming agent carbon
Sour hydrogen salt and molecular sieve are prepared for a kind of composite foamable agent, although coefficient of foaming has increase, and possesses good dispersibility and stream
Dynamic property, but bicarbonate is contained in the inside, hardly results in high-quality foam, and the foam of formation is still relatively thicker, it is impossible to obtain
Trickle and intensive foam.
The content of the invention
For above-mentioned existing problem and shortage, it is modified multiple that the present invention provides a kind of nano silicon/lauryl alcohol
Mould assembly foaming agent and preparation method, it is therefore an objective to prepare that a kind of coefficient of foaming is high, foam stability is good, can be formed it is small, intensive and
Uniform foam, can greatly improve the thermal and insulating performance of cement plate for preparing thermal insulation cement plate.
In order to realize the nano silicon/lauryl alcohol modified composite foaming agent of the object of the invention, according to quality percentage
Than, by 0.412%～0.65% surfactant, 0.0825%～0.325% methylcellulose, 0.329%～0.65% 3
Ethanolamine, 0.165%～0.976% silicon dioxide, 0.0825%～0.488% dispersant, the ten of 0.0825%～0.165%
Glycol and excess water composition.
The preparation method of the nano silicon/lauryl alcohol modified composite foaming agent of the present invention, enters according to following steps
OK：
(1) surfactant of water quality 0.5%-1% is added in water, is slowly stirred with 50-100 rev/min of speed
Mix and be formed uniformly mixed liquor A；
(2) in mixed liquor A add water quality 0.1%-0.5% methylcellulose and water quality 0.4%-1% three
Ethanolamine, is slowly stirred with 50-100 rev/min of speed and is formed uniformly compound foaming agent；
(3) silicon dioxide will be added in water, will add dispersant, mixing will form suspension, then be disperseed, shape
Into nano silicon suspension, the lauryl alcohol of water quality 0.5%-1%, mixing and stirring is added to form suspension B；
(4) in the suspension B addition compound foaming agents of compound foaming agent quality 20%-50% that will account for step (2),
It is slowly stirred uniformly with 50-100 rev/min of speed, obtains nano silicon/lauryl alcohol modified composite foaming agent.
Wherein, in described step (1) surfactant selected from sodium lauryl sulphate, dodecyl ether sulfate or
The mixture of above-mentioned surfactant.
Further preferably, described surfactant presses matter with dodecyl ether sulfate selected from sodium lauryl sulphate
Amount 1:1 mixes, 0.6-0.8% of the surfactant volume for water quality.
Further preferably, 0.2-0.4% of the methylcellulose volume for water quality, triethanolamine in described step (2)
0.5-0.8% of the volume for water quality.
In described step (3), dispersant is OP-10, and volume is the 50% of nano silicon quality；Nanometer titanium dioxide
1%-3% of the silicon volume for water quality.
Further preferably, 1.5%-2.5% of the nano silicon volume for water quality, the volume of lauryl alcohol is water quality
0.6%-0.8%.
Dispersion in described step (3) is that suspension A is quickly stirred 5- with 3500-4000 rev/min of speed
10min, then ultrasound 50-60min in ultrasonic cell-break machine is placed in, form nano silicon suspension.
Further preferably, in described step (4), suspension B additions are 30%-40%.
A kind of nano silicon/lauryl alcohol modified composite foaming agent proposed by the present invention and preparation method, it is and existing
Technology is compared, and is had the beneficial effect that：
(1) preparation method of the present invention is that nano silicon is dispersed, is compounded to form modified composite with lauryl alcohol
Foaming agent, using the Stabilization of the nano-meter characteristic and lauryl alcohol of its nano silicon, strengthens the foaming of compound foaming agent
The stability of multiple and raising foam, forms small foam, meanwhile, homodisperse nano silicon can adsorb in bubble
Foam surface, forms three-dimensional net structure, as shown in figure 1, lauryl alcohol is adsorbed onto between nano silicon forms arrangement densification
Hybrid films, as the diminution of intermolecular arrangement pitches enhances intermolecular interaction force, can so increase interface
Viscosity, so as to reduce the speed of discharge opeing, also substantially reduces the speed of lather collapse, improves foam stability so that foam is more
Plus it is uniform and intensive, the thermal and insulating performance of cement board can be increased substantially.
(2) present invention has also done one to the component and consumption of nano silicon/lauryl alcohol modified composite foaming agent
Step research, when surfactant, (sodium lauryl sulphate presses quality 1 with dodecyl ether sulfate:1 mixing) volume be
0.5%-1%, the volume of methylcellulose is 0.1%-0.5%, and the volume of triethanolamine is prepared into be combined for 0.4%-1% to be sent out
Infusion, wherein each volume are the mass percent for accounting for water；Nano silicon volume is 1%-3%, and OP-10 is nanometer two
The 50% of silicon oxide volume, lauryl alcohol volume prepare nano silicon/lauryl alcohol suspension for 0.5%-1%, then before accounting for
When stating the nano silicon/lauryl alcohol suspension of the 20%-50% of composite foamable agent quality and mixing with composite foamable agent, foaming
The coefficient of foaming of agent is 40-60, and 1h depressions are away from for 4-7mm, 1h bleeding quantities 35-85ml；
Particularly when surfactant, (sodium lauryl sulphate presses quality 1 with dodecyl ether sulfate:1 mixing)
Volume is 0.6%-0.8%, and the volume of methylcellulose is 0.2%-0.4%, and the volume of triethanolamine is 0.6%-0.8% systems
For into composite foamable agent, wherein each volume is the mass percent for accounting for water；Nano silicon volume is 1.5%-
2.5%, OP-10 for nano silicon volume 50%, lauryl alcohol volume for 0.6%-0.8% prepare nano silicon/
Lauryl alcohol suspension, wherein each volume are the mass percent for accounting for water, then will account for the 30%-40% of composite foamable agent quality
Nano silicon/lauryl alcohol suspension when mixing with composite foamable agent, the coefficient of foaming of foaming agent is 50-60,1h depressions
Away from for 4-6mm, 1h bleeding quantities 35-60ml.
Description of the drawings
Fig. 1 is the nano silicon/lauryl alcohol modified composite foaming agent foam schematic diagram of the present invention；
Fig. 2 is the coefficient of foaming of the nano silicon/lauryl alcohol modified composite foaming agent of the embodiment of the present invention 1～6
Datagram；
Fig. 3 be the nano silicon/lauryl alcohol modified composite foaming agent of the embodiment of the present invention 1～6 1h depressions away from
Datagram；
Fig. 4 is the 1h bleeding quantities of the nano silicon/lauryl alcohol modified composite foaming agent of the embodiment of the present invention 1～6
Datagram.
Specific embodiment
The specific embodiment of the present invention is the following is, specific embodiment used is for describing the present invention, rather than restriction
The present invention.
Embodiment 1
The preparation method of the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent is entered according to following steps
OK：
(1) surfactant of water quality 0.5% is added in water, surfactant is sodium lauryl sulphate and 12
Alkyl ethoxylated sodium sulfate presses quality 1:1 mixing, is slowly stirred with 50-100 rev/min of speed and is formed uniformly mixed liquor A；
(2) triethanolamine of the methylcellulose and water quality 0.4% of water quality 0.1% is added in mixed liquor A, with
50-100 rev/min of speed is slowly stirred and is formed uniformly compound foaming agent；
(3) nano silicon of water quality 1% is added in water, is added and is accounted for nano silicon quality 50%
OP-10, quickly stirs 5min with 3500-4000 rev/min of rotating speed, and being subsequently placed in ultrasonic cell-break machine carries out ultrasound
50min, adds the lauryl alcohol of water quality 0.5%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of the composite foamable agent quality 20% that will account for step (2), with 50-
100 revs/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
After testing, the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent foam multiple is heavy for 41,1h
Fall into away from for 7mm, 1h bleeding quantities 83ml, data are as shown in Figure 2 to 4.
Embodiment 2
The preparation method of the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent is entered according to following steps
OK：
(1) surfactant of water quality 0.6% is added in water, surfactant is sodium lauryl sulphate and 12
Alkyl ethoxylated sodium sulfate presses quality 1:1 mixing, is slowly stirred with 50-100 rev/min of speed and is formed uniformly mixed liquor A；
(2) triethanolamine of the methylcellulose and water quality 0.6% of water quality 0.2% is added in mixed liquor A, with
50-100 rev/min of speed is slowly stirred and is formed uniformly compound foaming agent；
(3) nano silicon of water quality 1.5% is added in water, is added and is accounted for nano silicon quality 50%
OP-10, quickly stirs 5min with 3500-4000 rev/min of rotating speed, and being subsequently placed in ultrasonic cell-break machine carries out ultrasound
50min, adds the lauryl alcohol of water quality 0.6%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of the composite foamable agent quality 30% that will account for step (2), with 50-
100 revs/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
After testing, the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent foam multiple is heavy for 50,1h
Fall into away from for 6mm, 1h bleeding quantities 60ml, data are as shown in Figure 2 to 4.
Embodiment 3
The preparation method of the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent is entered according to following steps
OK：
(1) surfactant of water quality 0.7% is added in water, surfactant is sodium lauryl sulphate and 12
Alkyl ethoxylated sodium sulfate presses quality 1:1 mixing, is slowly stirred with 50-100 rev/min of speed and is formed uniformly mixed liquor A；
(2) triethanolamine of the methylcellulose and water quality 0.7% of water quality 0.3% is added in mixed liquor A, with
50-100 rev/min of speed is slowly stirred and is formed uniformly compound foaming agent；
(3) nano silicon of water quality 2% is added in water, is added and is accounted for nano silicon quality 50%
OP-10, quickly stirs 5min with 3500-4000 rev/min of rotating speed, and being subsequently placed in ultrasonic cell-break machine carries out ultrasound
50min, adds the lauryl alcohol of water quality 0.7%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of the composite foamable agent quality 30% that will account for step (2), with 50-
100 revs/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
After testing, the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent foam multiple is heavy for 55,1h
Fall into away from for 5mm, 1h bleeding quantities 50ml, data are as shown in Figure 2 to 4.
Embodiment 4
The preparation method of the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent is entered according to following steps
OK：
(1) surfactant of water quality 0.8% is added in water, surfactant is sodium lauryl sulphate and 12
Alkyl ethoxylated sodium sulfate presses quality 1:1 mixing, is slowly stirred with 50-100 rev/min of speed and is formed uniformly mixed liquor A；
(2) triethanolamine of the methylcellulose and water quality 0.8% of water quality 0.4% is added in mixed liquor A, with
50-100 rev/min of speed is slowly stirred and is formed uniformly compound foaming agent；
(3) nano silicon of water quality 2.5% is added in water, is added and is accounted for nano silicon quality 50%
OP-10, quickly stirs 5min with 3500-4000 rev/min of rotating speed, and being subsequently placed in ultrasonic cell-break machine carries out ultrasound
50min, adds the lauryl alcohol of water quality 0.8%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of the composite foamable agent quality 40% that will account for step (2), with 50-
100 revs/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
After testing, the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent foam multiple is heavy for 60,1h
Fall into away from for 4mm, 1h bleeding quantities 35ml, data are as shown in Figure 2 to 4.
Embodiment 5
The preparation method of the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent is entered according to following steps
OK：
(1) surfactant of water quality 0.9% is added in water, surfactant is sodium lauryl sulphate and 12
Alkyl ethoxylated sodium sulfate presses quality 1:1 mixing, is slowly stirred with 50-100 rev/min of speed and is formed uniformly mixed liquor A；
(2) triethanolamine of the methylcellulose and water quality 0.8% of water quality 0.4% is added in mixed liquor A, with
50-100 rev/min of speed is slowly stirred and is formed uniformly compound foaming agent；
(3) nano silicon of water quality 2.5% is added in water, is added and is accounted for nano silicon quality 50%
OP-10, quickly stirs 5min with 3500-4000 rev/min of rotating speed, and being subsequently placed in ultrasonic cell-break machine carries out ultrasound
50min, adds the lauryl alcohol of water quality 0.9%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of the composite foamable agent quality 40% that will account for step (2), with 50-
100 revs/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
After testing, the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent foam multiple is heavy for 55,1h
Fall into away from for 6.5mm, 1h bleeding quantities 65ml, data are as shown in Figure 2 to 4.
Embodiment 6
The preparation method of the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent is entered according to following steps
OK：
(1) surfactant of water quality 1% is added in water, surfactant is sodium lauryl sulphate and dodecane
Base ether sulfate presses quality 1:1 mixing, is slowly stirred with 50-100 rev/min of speed and is formed uniformly mixed liquor A；
(2) triethanolamine of the methylcellulose and water quality 1% of water quality 0.5% is added in mixed liquor A, with 50-
100 revs/min of speed is slowly stirred and is formed uniformly compound foaming agent；
(3) nano silicon of water quality 3% is added in water, is added and is accounted for nano silicon quality 50%
OP-10, quickly stirs 5min with 3500-4000 rev/min of rotating speed, and being subsequently placed in ultrasonic cell-break machine carries out ultrasound
50min, adds the lauryl alcohol of water quality 1%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of the composite foamable agent quality 40% that will account for step (2), with 50-
100 revs/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
After testing, the nano silicon of the present embodiment/lauryl alcohol modified composite foaming agent foam multiple is heavy for 45,1h
Fall into away from for 7mm, 1h bleeding quantities 73ml, data are as shown in Figure 2 to 4.
Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention.It is any to be familiar with ability
The technical staff in domain, in the case of without departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments,
Equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (9)
1. a kind of nano silicon/lauryl alcohol modified composite foaming agent, it is characterised in that according to mass percent, by
0.412%～0.65% surfactant, 0.0825%～0.325% methylcellulose, 0.329%～0.65% 3 ethanol
Amine, 0.165%～0.976% silicon dioxide, 0.0825%～0.488% dispersant, 0.0825%～0.165% lauryl alcohol
Constitute with excess water.
2. the preparation method of nano silicon as claimed in claim 1/lauryl alcohol modified composite foaming agent, its feature exist
In following the steps below：
(1) surfactant of water quality 0.5%-1% is added in water, is slowly stirred with 50-100 rev/min of speed
Even formation mixed liquor A；
(2) three ethanol of the methylcellulose and water quality 0.4%-1% of water quality 0.1%-0.5% are added in mixed liquor A
Amine, is slowly stirred with 50-100 rev/min of speed and is formed uniformly compound foaming agent；
(3) silicon dioxide will be added in water, will add dispersant, mixing will form suspension, then be disperseed, and formation is received
Rice silicon dioxide suspension, adds the lauryl alcohol of water quality 0.5%-1%, mixing and stirring to form suspension B；
(4) in the suspension B addition compound foaming agents of compound foaming agent quality 20%-50% that will account for step (2), with
50-100 rev/min of speed is slowly stirred uniformly, obtains nano silicon/lauryl alcohol modified composite foaming agent.
3. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
In step (1) described in being characterised by, surfactant is selected from sodium lauryl sulphate, dodecyl ether sulfate or above-mentioned
The mixture of surfactant.
4. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
The surfactant for being characterised by described is selected from sodium lauryl sulphate with dodecyl ether sulfate by quality 1:1 mixing and
Into 0.6-0.8% of the surfactant volume for water quality.
5. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
0.2-0.4% of the methylcellulose volume for water quality in step (2) described in being characterised by, triethanolamine volume are water quality
0.5-0.8%.
6. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
In step (3) described in being characterised by, dispersant is OP-10, and volume is the 50% of nano silicon quality；Nanometer titanium dioxide
1%-3% of the silicon volume for water quality.
7. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
The nano silicon volume for being characterised by described is the 1.5%-2.5% of water quality, and the volume of lauryl alcohol is water quality
0.6%-0.8%.
8. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
The dispersion in step (3) described in being characterised by is that suspension A is quickly stirred 5- with 3500-4000 rev/min of speed
10min, then ultrasound 50-60min in ultrasonic cell-break machine is placed in, form nano silicon suspension.
9. the preparation method of a kind of nano silicon according to claim 2/lauryl alcohol modified composite foaming agent, its
In step (4) described in being characterised by, suspension B additions are 30%-40%.
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| CN107603580A (en) * | 2017-08-30 | 2018-01-19 | 长江大学 | Heat-resistant salt-resistant low interfacial tension foam system and preparation method thereof |
| CN110642641A (en) * | 2019-11-11 | 2020-01-03 | 中建材料技术研究成都有限公司 | Method for improving stability of foam concrete precast foam |
| CN110669244A (en) * | 2019-09-23 | 2020-01-10 | 安徽超星新材料科技有限公司 | Light flame-retardant foamed plastic and preparation method thereof |
| CN112811932A (en) * | 2021-01-14 | 2021-05-18 | 武汉理工大学 | High-stability foam for foam concrete and preparation method thereof |
| CN116606087A (en) * | 2023-07-19 | 2023-08-18 | 江苏兆通新材料科技有限公司 | Special foaming agent for composite polymer cement and preparation method thereof |
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Application publication date: 20170426 |