CN108129108A - A kind of Novel wall body heat insulation material and its preparation process - Google Patents
A kind of Novel wall body heat insulation material and its preparation process Download PDFInfo
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- CN108129108A CN108129108A CN201810125448.4A CN201810125448A CN108129108A CN 108129108 A CN108129108 A CN 108129108A CN 201810125448 A CN201810125448 A CN 201810125448A CN 108129108 A CN108129108 A CN 108129108A
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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
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of Novel wall body heat insulation materials and preparation method thereof, and in terms of parts by weight, the thermal insulation material mainly includes following components：22 42 parts of cement, 14 23 parts of polyvinyl chloride resin powder, 13 26 parts of improved plant straw powder, 3 10 parts of polymer dispersion powder, 28 parts of hydroxypropyl methyl cellulose, 1.3 6.5 parts of glass microballoon, 0.3 2.2 parts of water-reducing agent, 0.5 3.8 parts, 0.2 1.4 parts of coagulant.The wall heat insulation material of the present invention has many advantages, such as that lightweight, high-strength, good heat insulating, water absorption rate is low, sound-absorbing is shockproof, and preparation method is simple, suitable for mass producing and applying.
Description
Technical field
The present invention relates to building material technical fields, and in particular to a kind of Novel wall body heat insulation material and its preparation process.
Background technology
According to the Energy Conservation outline of country, emphasis energy-saving field is building energy conservation, industrial energy saving, transport energy savings, is consumed
Huge building energy consumption is measured to stand in the breach.Therefore, in order to develop in 21 century quick and stable, for China's materials for wall
Reform has become the fundamental state policy in China with building energy conservation, develops the novel wall material for meeting national code of building energy efficiency,
As the mission of material researcher.
Based on this, occurs the heat preserving and insulating material of many walls on the market at present.
In patent CN103723961A, a kind of foamed concrete thermal-insulating material is just disclosed, by weight, the foam
Concrete thermal-insulating material includes following components：100-150 parts of cement, 40-60 parts of flyash, 0.4-0.8 parts of foam stabilizer, foaming agent
6-10 parts, 0.3-0.8 parts of lithium carbonate, 1.5-2.5 parts of polypropylene fibre.The thermal insulation material is using industrial waste flyash as filling out
On the one hand charge is rationally met the requirement to building material, on the one hand can be given full play to ordinary cement using industrial waste
High intensity, high-durability, the service life for improving product, and not only durability is good, production for the foamed concrete thermal-insulating material
It is at low cost, and product has the performances such as excellent insulation, is more advantageous to further genralrlization and the application of product.But it steeps
Foam concrete is equally poor with slurry stability, and intensity is low, it is big to shrink and has easily opened the shortcomings that water suction etc. is many.
It is poor in order to solve stability existing for wall heat insulation material, and intensity is low, it is big to shrink and it is scarce easily to have opened water suction etc.
Point.
In patent CN106280059A, a kind of plant fiber foamed wall heat insulation material and preparation method thereof is disclosed,
Its raw material includes A, 5-15 parts of foaming agents of 100 parts of mixtures, 0-10 portions of nucleating agents and 5-20 parts of surfactants, wherein, it is described
Mixture A is made of 20-60 parts of plant fiber liquefaction products and 40-80 parts of paste resins.By the way that plant fiber is added to foam
It is poor so as to solve stability existing for wall heat insulation material in concrete, and intensity is low, it is big to shrink and it is scarce easily to have opened water suction etc.
Point.But the plant fiber of addition is not modified processing, influences the durability and mechanical property of thermal insulation material, on the other hand
Plant fiber infiltrates Soil Interface and connects not close, cohesiveness deficiency in advance, and then influences the compression strength of thermal insulation material, thermal insulation
Energy.
Therefore, it is necessary to a kind of Novel wall body heat insulation material and preparation method thereof is provided, to solve to exist in the prior art
The problem of.
Invention content
In view of the above-mentioned analysis to the prior art, the present invention provides a kind of Novel wall body heat insulation material and preparation method thereof,
The thermal insulation material has many advantages, such as that lightweight, high-strength, good heat insulating, water absorption rate is low, sound-absorbing is shockproof, and preparation method is simple, fits
In large-scale production and application.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of Novel wall body heat insulation material, in terms of parts by weight, the thermal insulation material mainly includes following components：
22-42 parts of cement；
14-23 parts of polyvinyl chloride resin powder；
13-26 parts of improved plant straw powder；
3-10 parts of polymer dispersion powder；
2-8 parts of hydroxypropyl methyl cellulose；
1.3-6.5 parts of glass microballoon；
0.3-2.2 parts of water-reducing agent；
0.5-3.8 parts of coagulant；
0.2-1.4 parts of curing agent.
Preferably, in terms of parts by weight, the thermal insulation material mainly includes following components：
20 parts of cement；
18.5 parts of polyvinyl chloride resin powder；
20 parts of improved plant straw powder；
6.5 parts of polymer dispersion powder；
5 parts of hydroxypropyl methyl cellulose；
2.8 parts of glass microballoon；
1.2 parts of water-reducing agent；
2.2 parts of coagulant；
0.8 part of curing agent.
Preferably, the cement is selected from white cement.
Preferably, the preparation method of the improved plant straw powder is as follows：
(1) maize straw, wheat stalk, cotton stalk or the beanstalk stalk discarded in agricultural production are collected, stalk is crushed to 80-
100 mesh；
(2) stalk powder is dried to moisture within 5%, be sent into reaction kettle, and gelatin breast is added in into reaction kettle
Liquid carries out straw dipping 24-36h, and temperature in reaction kettle is controlled at 75-85 DEG C, to be at the uniform velocity stirred to react 20-30 minutes,
It then takes out, is dried, is re-fed into freezing equipment, is freezed 40 minutes under subzero 15 DEG C of environment, carry out cold-resistant processing；
(3) straw powder is sent into ball mill after freezing processing, continuously grinding 4 hours crosses 150-250 mesh sieve, dries moisture
To 17%, improved plant straw powder is obtained.
Preferably, the water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid.
Preferably, the one kind of the coagulant in calcium chloride, sodium metasilicate, aluminum sulfate.
Preferably, the curing agent is 2.5-4.5：The phosphoric acid of 1 weight ratio and the mixture of p-methyl benzenesulfonic acid.
The present invention also provides a kind of preparation methods of Novel wall body heat insulation material, include the following steps：
（1）Cement, polyvinyl chloride resin powder, improved plant straw powder, polymer dispersion powder, hydroxypropyl are weighed according to the proportioning
Methylcellulose, glass microballoon, water-reducing agent, coagulant, curing agent, which are put into blender, to be mixed and stirred for uniformly；
（2）Distilled water is added in into said mixture, is continued to stir 40-60min with blender；
（3）Above-mentioned slurry is poured into using press-forming machine compression moulding in mold, natural curing 24-48h is to get the wall
Thermal insulation material.
Preferably, step（3）The pressure of the compression moulding is set as 0.80-0.85MPa, and the pressing time is set as
10-30min。
Compared with prior art, the present invention the present invention has following advantageous effect：
（1）The thermal insulation material of the present invention, by plant straw powder incorporating modified in cement, can effectively improve conventional foam
Contraction fissure existing for concrete, the problems such as toughness is insufficient, realize the durability and heat-insulating property of thermal insulation material.In addition, this
Invention is connected by adding in the interface that polymer dispersion powder can be effectively improved between improved plant straw powder and cement, on the one hand may be used
To increase the cohesiveness between improved plant straw powder, on the other hand, polyvinyl chloride resin powder can be filled in cement gel,
And cement is made preferably to be cohered with improved plant straw powder, so as to form sealing structure cement concrete of good performance, improve
The compression strength of thermal insulation material, heat-insulating property reduce water absorption rate.
（2）The present invention is modified plant straw powder by gelatin emulsion, can form one layer in plant fibre surface
Protective film can prevent the depolymerization of fiber in this way, while can reduce the water absorption rate of fiber, the intensity of reinforcing fiber, after making molding again
Cement-based material have excellent mechanical property and endurance quality.
（3）The hydroxypropyl methyl cellulose that the present invention uses can improve the sag resistance of thermal insulation material as thickener,
The adherence of thermal insulation material is reduced, extends open hour etc..
（4）The glass microballoon that the present invention uses has the function of heat-insulating sound-insulating insulation, will be filled in thermal insulation material, can have
Effect reduces the thermal conductivity factor of thermal insulation material, improves the effects that flexural strength.
（5）The water-reducing agent of the present invention can improve the water resistance of thermal insulation material.
（6）The coagulant of the present invention solves the disadvantage that cement retardative.
（8）The thermal insulation material preparation process of the present invention is simple, industrialized production easy to implement, can be widely applied to building neck
Domain has the function that energy-saving and emission-reduction.
Specific embodiment
Form by the following examples is described in further detail, but should not be by this above of present invention again
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all based on the technology realized belonging to the above of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
The Novel wall body heat insulation material of the present embodiment, in terms of parts by weight, the thermal insulation material mainly includes following components：
20 parts of cement；
18.5 parts of polyvinyl chloride resin powder；
20 parts of improved plant straw powder；
6.5 parts of polymer dispersion powder；
5 parts of hydroxypropyl methyl cellulose；
2.8 parts of glass microballoon；
1.2 parts of water-reducing agent；
2.2 parts of coagulant；
0.8 part of curing agent.
The cement of the present embodiment is selected from white cement.
The preparation method of the improved plant straw powder of the present embodiment is as follows：
(1) maize straw, wheat stalk, cotton stalk or the beanstalk stalk discarded in agricultural production are collected, stalk is crushed to 80-
100 mesh；
(2) stalk powder is dried to moisture within 5%, be sent into reaction kettle, and gelatin breast is added in into reaction kettle
Liquid carries out straw dipping 30h, and temperature in reaction kettle is controlled at 80 DEG C, to be at the uniform velocity stirred to react 25 minutes, then take out, is done
Dry processing, is re-fed into freezing equipment, is freezed 40 minutes under subzero 15 DEG C of environment, carries out cold-resistant processing；
(3) straw powder is sent into ball mill after freezing processing, continuously grinding 4 hours crosses 150-250 mesh sieve, dries moisture
To 17%, improved plant straw powder is obtained.
The water-reducing agent of the present embodiment is high-efficiency water-reducing agent of poly-carboxylic acid.
The one kind of the coagulant of the present embodiment in calcium chloride, sodium metasilicate, aluminum sulfate.
The curing agent of the present embodiment is 3.5：The phosphoric acid of 1 weight ratio and the mixture of p-methyl benzenesulfonic acid.
The present invention also provides a kind of preparation methods of Novel wall body heat insulation material, include the following steps：
（1）Cement, polyvinyl chloride resin powder, improved plant straw powder, polymer dispersion powder, hydroxypropyl are weighed according to the proportioning
Methylcellulose, glass microballoon, water-reducing agent, coagulant, curing agent, which are put into blender, to be mixed and stirred for uniformly；
（2）Distilled water is added in into said mixture, is continued to stir 50min with blender；
（3）Above-mentioned slurry is poured into mold and is protected using press-forming machine compression moulding, natural curing 36h to get the wall
Adiabator.
The step of the present embodiment（3）The pressure of the compression moulding is set as 0.83MPa, and the pressing time is set as 20min.
Embodiment 2
The Novel wall body heat insulation material of the present embodiment, in terms of parts by weight, the thermal insulation material mainly includes following components：
22 parts of cement；
14 parts of polyvinyl chloride resin powder；
13 parts of improved plant straw powder；
3 parts of polymer dispersion powder；
2 parts of hydroxypropyl methyl cellulose；
1.3 parts of glass microballoon；
0.3 part of water-reducing agent；
0.5 part of coagulant；
0.2 part of curing agent.
The cement of the present embodiment is selected from white cement.
The preparation method of the improved plant straw powder of the present embodiment is as follows：
(1) maize straw, wheat stalk, cotton stalk or the beanstalk stalk discarded in agricultural production are collected, stalk is crushed to 80-
100 mesh；
(2) stalk powder is dried to moisture within 5%, be sent into reaction kettle, and gelatin breast is added in into reaction kettle
Liquid carries out straw dipping 24-36h, and temperature in reaction kettle is controlled at 75 DEG C, to be at the uniform velocity stirred to react 20 minutes, Ran Houqu
Go out, be dried, be re-fed into freezing equipment, freezed 40 minutes under subzero 15 DEG C of environment, carry out cold-resistant processing；
(3) straw powder is sent into ball mill after freezing processing, continuously grinding 4 hours crosses 150-250 mesh sieve, dries moisture
To 17%, improved plant straw powder is obtained.
The water-reducing agent of the present embodiment is high-efficiency water-reducing agent of poly-carboxylic acid.
The one kind of the coagulant of the present embodiment in calcium chloride, sodium metasilicate, aluminum sulfate.
The curing agent of the present embodiment is 2.5：The phosphoric acid of 1 weight ratio and the mixture of p-methyl benzenesulfonic acid.
The present invention also provides a kind of preparation methods of Novel wall body heat insulation material, include the following steps：
（1）Cement, polyvinyl chloride resin powder, improved plant straw powder, polymer dispersion powder, hydroxypropyl are weighed according to the proportioning
Methylcellulose, glass microballoon, water-reducing agent, coagulant, curing agent, which are put into blender, to be mixed and stirred for uniformly；
（2）Distilled water is added in into said mixture, is continued to stir 40min with blender；
（3）Above-mentioned slurry is poured into mold and is protected for 24 hours to get the wall using press-forming machine compression moulding, natural curing
Adiabator.
The step of the present embodiment（3）The pressure of the compression moulding is set as 0.80MPa, and the pressing time is set as 10min.
Embodiment 3
A kind of Novel wall body heat insulation material, in terms of parts by weight, the thermal insulation material mainly includes following components：
42 parts of cement；
23 parts of polyvinyl chloride resin powder；
26 parts of improved plant straw powder；
10 parts of polymer dispersion powder；
8 parts of hydroxypropyl methyl cellulose；
6.5 parts of glass microballoon；
2.2 parts of water-reducing agent；
3.8 parts of coagulant；
1.4 parts of curing agent.
The cement of the present embodiment is selected from white cement.
The preparation method of the improved plant straw powder of the present embodiment is as follows：
(1) maize straw, wheat stalk, cotton stalk or the beanstalk stalk discarded in agricultural production are collected, stalk is crushed to 80-
100 mesh；
(2) stalk powder is dried to moisture within 5%, be sent into reaction kettle, and gelatin breast is added in into reaction kettle
Liquid carries out straw dipping 36h, and temperature in reaction kettle is controlled at 85 DEG C, to be at the uniform velocity stirred to react 30 minutes, then take out,
It is dried, is re-fed into freezing equipment, is freezed 40 minutes under subzero 15 DEG C of environment, carry out cold-resistant processing；
(3) straw powder is sent into ball mill after freezing processing, continuously grinding 4 hours crosses 150-250 mesh sieve, dries moisture
To 17%, improved plant straw powder is obtained.
The water-reducing agent of the present embodiment is high-efficiency water-reducing agent of poly-carboxylic acid.
The one kind of the coagulant of the present embodiment in calcium chloride, sodium metasilicate, aluminum sulfate.
The curing agent of the present embodiment is 4.5：The phosphoric acid of 1 weight ratio and the mixture of p-methyl benzenesulfonic acid.
The present invention also provides a kind of preparation methods of Novel wall body heat insulation material, include the following steps：
（1）Cement, polyvinyl chloride resin powder, improved plant straw powder, polymer dispersion powder, hydroxypropyl are weighed according to the proportioning
Methylcellulose, glass microballoon, water-reducing agent, coagulant, curing agent, which are put into blender, to be mixed and stirred for uniformly；
（2）Distilled water is added in into said mixture, is continued to stir 60min with blender；
（3）Above-mentioned slurry is poured into mold and is protected using press-forming machine compression moulding, natural curing 48h to get the wall
Adiabator.
The step of the present embodiment（3）The pressure of the compression moulding is set as 0.85MPa, and the pressing time is set as 30min.
Comparative example 1
The wall thermal insulation material being prepared with reference to patent CN103723961A.
Comparative example 2
The wall thermal insulation material being prepared with reference to patent CN106280059A.
Test method
（1）Determination of conductive coefficients
Thermal insulation material obtained in embodiment 1-5 and comparative example 1-5 is placed in insulating box simultaneously, is dried at a temperature of 378 scholar 5K
Drier, which is moved to, after doing to constant weight is cooled to room temperature；The heating furnace cover of thermal conductivity test instrument is opened, each sample is individually placed to heat
Position, the surface of sample each as possible keep relatively closely contact, can be tested after shutting heating furnace cover testing element up and down in stove；
Connect general supply, will control heating furnace automatic temperature control switch disk be allocated to it is scheduled control furnace temperature (373K, 473K, 573K, 673K,
773K、873K)；Test system switching is opened, treats that every test condition enters normal condition；Automatic calibration knob is opened, is corrected
It finishes, by calibrating knob slew test shelves, after microcomputer automatically processes data, liquid crystal display watch starts to show tested sample
Mean temperature and thermal conductivity factor at this temperature, the thermal conductivity factor of each sample at each temperature take three to (six pieces) random sampling
Statistical average.
(2) compressive strength test
Thermal insulation material obtained in embodiment 1-5 and comparative example 1-5 is dried to constant-quality, and be cooled to room temperature, Ran Hou
The center in piece lengths direction measures the width of test specimen upper and lower faces and the thickness of side, then test specimen is placed in respectively
On the bearing plate of testing machine, testing machine bearing plate center is made to be overlapped with test specimen center, opens testing machine, when top board and test specimen most
Stop when close, then by testing machine with the speed of 10mm/min to test specimen loading, then during test specimen compressive deformation 5%, record is shown
Number, calculates compression strength.
Experimental example 1
Thermal conductivity factor experiment is carried out with thermal insulation material obtained prepared by comparative example 1-2 according to 1-3 of the embodiment of the present invention, it is specific to tie
Fruit is shown in Table 1：
1 performance test results of table
As it can be seen from table 1 the thermal conductivity factor of the thermal insulation material of the present invention is better than comparative example, and in higher temperature 873K situations
Under, can also have relatively low thermal conductivity factor, the requirement of metope heat preservation can be met.
Experimental example 2
1-5 of the embodiment of the present invention is used to carry out compressive strength test with thermal insulation material obtained prepared by comparative example 1-5, it is specific to tie
Fruit is shown in Table 2：
2 performance test results of table
| Sample | Compression strength（MPa） |
| The embodiment of the present invention 1 | 1.21 |
| The embodiment of the present invention 2 | 1.15 |
| The embodiment of the present invention 3 | 1.18 |
| Comparative example 1 | 0.88 |
| Comparative example 2 | 1.02 |
From table 2 it can be seen that the intensity of the wall heat insulation material of the present invention is higher than comparative example.
Experimental example 3
It is inhaled using wall heat insulation material obtained in wall heat insulation material made from embodiment 1-5 and comparative example 1-5
Performance test in terms of sound, water suction, with specific reference to standard it is as follows：
Sound-absorption coefficient：GB/T 18696.1-2004.
Water absorption rate：GB/T 11970-1997.
It is as shown in table 3 below to obtain result：
3 performance test results of table
| Project | Sound-absorption coefficient | Water absorption rate（%） |
| The embodiment of the present invention 1 | 0.75 | 2.3 |
| The embodiment of the present invention 2 | 0.71 | 2.6 |
| The embodiment of the present invention 3 | 0.69 | 2.0 |
| Comparative example 1 | 0.35 | 6.8 |
| Comparative example 2 | 0.55 | 5.5 |
As shown in Table 3, the sound-absorbing effect of wall heat insulation material made from the embodiment of the present invention, water absorption rate are superior to comparative example.
In conclusion the present invention provides a kind of Novel wall body heat insulation material and preparation method thereof, which has light
Matter, high-strength, good heat insulating, the advantages that water absorption rate is low, sound-absorbing is shockproof, and preparation method is simple, suitable for mass producing and answering
With
It is merely a preferred embodiment of the present invention, is not intended to restrict the invention, although right with reference to the foregoing embodiments described in upper
The present invention is described in detail, and for those skilled in the art, still foregoing embodiments can be remembered
The technical solution of load modifies or carries out equivalent replacement to which part technical characteristic.All spirit and original in the present invention
Within then, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of Novel wall body heat insulation material, which is characterized in that in terms of parts by weight, the thermal insulation material mainly includes with the following group
Point：
22-42 parts of cement；
14-23 parts of polyvinyl chloride resin powder；
13-26 parts of improved plant straw powder；
3-10 parts of polymer dispersion powder；
2-8 parts of hydroxypropyl methyl cellulose；
1.3-6.5 parts of glass microballoon；
0.3-2.2 parts of water-reducing agent；
0.5-3.8 parts of coagulant；
0.2-1.4 parts of curing agent.
2. Novel wall body heat insulation material according to claim 1, which is characterized in that in terms of parts by weight, the thermal insulating material
Material mainly includes following components：
20 parts of cement；
18.5 parts of polyvinyl chloride resin powder；
20 parts of improved plant straw powder；
6.5 parts of polymer dispersion powder；
5 parts of hydroxypropyl methyl cellulose；
2.8 parts of glass microballoon；
1.2 parts of water-reducing agent；
2.2 parts of coagulant；
0.8 part of curing agent.
3. Novel wall body heat insulation material according to claim 1, which is characterized in that the cement is selected from white cement.
4. Novel wall body heat insulation material according to claim 1, which is characterized in that the preparation of the improved plant straw powder
Method is as follows：
(1) maize straw, wheat stalk, cotton stalk or the beanstalk stalk discarded in agricultural production are collected, stalk is crushed to 80-
100 mesh；
(2) stalk powder is dried to moisture within 5%, be sent into reaction kettle, and gelatin breast is added in into reaction kettle
Liquid carries out straw dipping 24-36h, and temperature in reaction kettle is controlled at 75-85 DEG C, to be at the uniform velocity stirred to react 20-30 minutes,
It then takes out, is dried, is re-fed into freezing equipment, is freezed 40 minutes under subzero 15 DEG C of environment, carry out cold-resistant processing；
(3) straw powder is sent into ball mill after freezing processing, continuously grinding 4 hours crosses 150-250 mesh sieve, dries moisture
To 17%, improved plant straw powder is obtained.
5. Novel wall body heat insulation material according to claim 1, which is characterized in that the water-reducing agent efficiently subtracts for polycarboxylic acids
Aqua.
6. Novel wall body heat insulation material according to claim 1, which is characterized in that the coagulant is selected from calcium chloride, silicon
One kind in sour sodium, aluminum sulfate.
7. Novel wall body heat insulation material according to claim 1, which is characterized in that the curing agent is 2.5-4.5：1 weight
Measure the phosphoric acid of ratio and the mixture of p-methyl benzenesulfonic acid.
A kind of 8. preparation method according to claim 1-7 any one of them Novel wall body heat insulation materials, which is characterized in that packet
Include following steps：
（1）Cement, polyvinyl chloride resin powder, improved plant straw powder, polymer dispersion powder, hydroxypropyl are weighed according to the proportioning
Methylcellulose, glass microballoon, water-reducing agent, coagulant, curing agent, which are put into blender, to be mixed and stirred for uniformly；
（2）Distilled water is added in into said mixture, is continued to stir 40-60min with blender；
（3）Above-mentioned slurry is poured into using press-forming machine compression moulding in mold, natural curing 24-48h is to get the wall
Thermal insulation material.
9. the preparation method of Novel wall body heat insulation material according to claim 8, which is characterized in that step（3）The pressure
It makes molding pressure and is set as 0.80-0.85MPa, the pressing time is set as 10-30min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585936A (en) * | 2018-06-29 | 2018-09-28 | 芜湖市棠华建材科技有限公司 | A kind of diatomite plant fiber building thermal insulation material and preparation method thereof |
| CN108840644A (en) * | 2018-07-29 | 2018-11-20 | 阜康市丝路嘉禾新材料有限公司 | A kind of plastering of resistance to 50 circulating freezing resistances |
| CN112028534A (en) * | 2020-08-25 | 2020-12-04 | 北京金隅水泥节能科技有限公司 | Early-strength water reducing agent, production process and application thereof |
| CN112500831A (en) * | 2020-12-16 | 2021-03-16 | 中一建设(河北)股份有限公司 | Preparation method and application of hydroxypropyl carbon silicon organic fiber slurry |
| CN115477514A (en) * | 2022-09-15 | 2022-12-16 | 中建八局第二建设有限公司 | High-fracture-resistance biomass ash modified ultrafine powder dry and hard pavement concrete and preparation method thereof |
-
2018
- 2018-02-08 CN CN201810125448.4A patent/CN108129108A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585936A (en) * | 2018-06-29 | 2018-09-28 | 芜湖市棠华建材科技有限公司 | A kind of diatomite plant fiber building thermal insulation material and preparation method thereof |
| CN108840644A (en) * | 2018-07-29 | 2018-11-20 | 阜康市丝路嘉禾新材料有限公司 | A kind of plastering of resistance to 50 circulating freezing resistances |
| CN112028534A (en) * | 2020-08-25 | 2020-12-04 | 北京金隅水泥节能科技有限公司 | Early-strength water reducing agent, production process and application thereof |
| CN112500831A (en) * | 2020-12-16 | 2021-03-16 | 中一建设(河北)股份有限公司 | Preparation method and application of hydroxypropyl carbon silicon organic fiber slurry |
| CN115477514A (en) * | 2022-09-15 | 2022-12-16 | 中建八局第二建设有限公司 | High-fracture-resistance biomass ash modified ultrafine powder dry and hard pavement concrete and preparation method thereof |
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