CN108840638A - Impact-resistant heat-insulation sound-insulation light building block - Google Patents

Impact-resistant heat-insulation sound-insulation light building block Download PDF

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CN108840638A
CN108840638A CN201810783193.0A CN201810783193A CN108840638A CN 108840638 A CN108840638 A CN 108840638A CN 201810783193 A CN201810783193 A CN 201810783193A CN 108840638 A CN108840638 A CN 108840638A
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parts
water
impact
cement
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王磊
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Hefei Yakeli New Building Materials Co ltd
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Hefei Yakeli New Building Materials Co ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/06Aluminous cements
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F251/00Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
    • C08F251/02Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52Sound-insulating materials

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Building Environments (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to the technical field of environment-friendly building materials, in particular to an impact-resistant heat-insulation sound-insulation light building block. The light building block comprises the following raw material components: dolomite tailings, fly ash, reinforced elastomer, perlite, vitrified micro bubbles, cement, water reducing agent, air entraining agent and water. Wherein, the reinforced elastomer is a high-performance elastic material compounded by inorganic filler and organic high molecular polymer; the particle size of the perlite is 3-6 mm; the grain size of the vitrified micro bubbles is 0.5-1 mm; the cement is a mixture of Portland cement and sulphoaluminate cement in a mass ratio of 7: 3; the water reducing agent is one of lignin water reducing agent, polyhydroxy acid water reducing agent and melamine water reducing agent; the air entraining agent is rosin resin air entraining agent or alkyl arene sulfonic acid air entraining agent. The building block has the advantages of light weight, high strength, excellent impact resistance, difficult cracking and good sound absorption and heat insulation performance.

Description

A kind of impact-resistant heat insulation sound-proof light block
Technical field
The present invention relates to environment-friendly building materials technical fields, and in particular to a kind of impact-resistant heat insulation sound-proof light block.
Background technique
Building block is the artificial bulk of masonry, is a kind of novel wall building materials, mainly by concrete, industrial waste (clinker, flyash etc.) or the local materials such as ash, sand, stone are made, and outer dimension is bigger than brick, and this construction material has equipment letter It is single, fireballing advantage is built, the requirement of wall reform in building industrialization development has been met.
Common building block is divided into one hand tile, medium-sized building block and block brick by size and the of different sizes of quality.Building block The height of master ga(u)ge lattice is greater than 115mm and is less than the referred to as one hand tile of 380mm, is highly that 380-980mm is referred to as medium-sized in series Building block, the referred to as block brick highly greater than 980mm.It is in the majority with middle-size and small-size building block in use.Building block can be divided by face shaping For solid block and building-block.Building-block has single square hole, single circular hole and three kinds of multiple rows of flat hole form, wherein multiple rows of flat Hole is advantageous to keeping the temperature.Main building block and various auxiliary block of concrete can be divided into effect by position of the building block in group block.According to material Material is different, and common building block has normal concrete and architectural concrete small-sized hollow building block, light weight small insulating concrete hollow building Block, fly ash small hollow block, steam aerated concrete building block, steaming-free air-adding concrete segment and gypsum block.
Due to needing the density to building block to reduce, reach the requirement of light-weight environment-friendly, most of building block can be adopted largely Gap is manufactured in brick body with lightweight base-material and using foaming technique, the processing of the technique of this material can significantly reduce building block The presence of density, gap can also improve the sound insulation value and heat insulating effect of brick body.But the presence of bubble and gap The intensity of building block can be impacted, cause production building block compressive resistance it is not high, impact resistance is poor, material by Cracking is easy after stronger percussion.Therefore, how density of building block is being reduced, is promoting the same of insulation and performance muffler When;Reducing influences block strength to become an important research direction.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of impact-resistant heat insulation sound-proof light block, this Kind building block has light weight, intensity high, and impact resistance is outstanding, it is not easy to which the advantages of cracking also has good sound-absorbing and guarantor Warm nature energy.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of impact-resistant heat insulation sound-proof light block, the raw material components of light block include:Dolomite tailing 55-65 Part, 20-25 parts of flyash, 5-10 parts of reinforced resilent body, 5-7 parts of perlite, 4-8 parts of glass bead, 17-21 parts of cement, diminishing 0.3-0.6 parts of agent, 1.8-2.6 parts of air entraining agent, 26-32 parts of water.
The raw material components of the light block include:58-62 parts of dolomite tailing, 21-24 parts of flyash, reinforced resilent body 6- 8 parts, 6-7 parts of perlite, 5-7 parts of glass bead, 18-20 parts of cement, 0.4-0.5 parts of water-reducing agent, 2.1-2.4 parts of air entraining agent, water 28-31 parts.
It is further preferred that the raw material components of light block include:60 parts of dolomite tailing, 23 parts of flyash, strengthen bullet 7 parts of body, 6.5 parts of perlite, 6 parts of glass bead, 19 parts of cement, 0.5 part of water-reducing agent, 2.3 parts of air entraining agent, 30 parts of water of property.
In the present invention, method and making reinforced elastomer includes the following steps:
(1) according to mass fraction, 1.5 parts of hydroxymethyl celluloses and 100 parts of deionized waters are added in reaction kettle, sufficiently It is uniformly mixing to obtain solution, solution temperature is increased to 55-58 DEG C, nitrogen is then filled with into reaction kettle and carries out deoxygenation, by 25 Part vinylidene fluoride, 27 parts of hexafluoropropenes, 4.5 parts of bromotrifluoethylenes, 0.7 part of perfluoroalkyl bromides and 1.2 parts of 1- iodo- 1H, 1H, The mixing of 2H, 2H- perfluorooctane, the pressure controlled in reaction kettle is 2.85-3.05MPa, and mixed gas is passed into reaction kettle instead Multiple stirring is so that portion gas, which is scattered in solution, obtains dispersion liquid;By 0.3 part of diisopropyl peroxydicarbonate and 0.6 part Benzoyl peroxide nitrate is added in 3 parts of organic solvents, is obtained in the dispersion liquid that solution is added in reaction kettle as initiator, And into the dispersion liquid of reaction kettle, 1.5 parts of diiodomethane solution, polymerization reaction start, and continue proportionally to be passed through mixed gas guarantor Reaction pressure is held, product is solidified with potassium sulfate solution and is separated, it is then washed, filter and be dried to obtain fluoropolymer A;
(2) by 14 parts of fluoropolymer A, 30 parts of natural rubbers, 12 parts of isoprene, 7 parts of chlorobutadienes, 2 parts of styrene Maleic anhydride grafts, 1.3 parts of aspartic acids, 2.5 parts of hexamethyldisilazane, 0.7 part of pentamethylene and 0.3 part of four fourth of bromination Base ammonium is added in double screw extruder, with 215-225 DEG C of temperature, is kneaded 15-20min;Obtain rubber compound B;
(3) according to mass ratio 4:1:7:3:3 ratio is by Alpha-alumina, nanometer silicon carbide, nano silica, talcum Powder and carbon black mixing, obtain inorganic filler, 25 parts of octadecyl polyoxyethylene groups tetradecyl ammonium chlorides are added in reaction kettle, 10 parts of inorganic fillers are added, 50min is stirred with 90-95 DEG C of degree heating water bath, by reaction product centrifugation, washing, drying, Solid content is added in reaction kettle again, and is added 40 part 2, and 2,6,6- tetramethyl piperidine nitrogen oxidation stability free radicals are heated to 80- 83 DEG C, electromagnetic agitation and back flow reaction 20h;After reaction, organic needed for product centrifugation, washing, drying being obtained to change Property filler C;
(4) by 100 parts of rubber compound B, 55 parts of organically-modified filler C, 2.4 parts of zinc stearates, 4.6 parts of naphthenic oils, 2.5 parts it is anti- Oxygen agent, 1.7 parts of calcium-zinc composite stabilizing agents, 0.8 part of plasticizer and 4 parts of silane coupling agents are mixed to join in double screw extruder, The temperature of 6 barrels of double screw extruder is respectively:140 DEG C, 140 DEG C, 150 DEG C, 150 DEG C, 160 DEG C and 180 DEG C;Extruder Revolving speed is 350r/min, and mixed refining process 15-25min is obtained after cooling mixture then by extruded stock plasticizing granulation in an extruder To required reinforced resilent body.
Wherein, the organic solvent in step (1) is acetone, methyl acetate or t-butyl formate.
The die head temperature of extruder is 220-245 DEG C in step (4).
Preferably, the partial size of perlite is 3-6mm;The partial size of glass bead is 0.5-1mm.
Preferably, cement is portland cement and sulphate aluminium cement 7:The mixture of 3 mass ratioes;Water-reducing agent is lignin One of water-reducing agent, poly- hydroxy acid based water reducer and melamine water reducing agent.
Preferably, air entraining agent is rosin tree lipid air entraining agent or alkylated aromatic sulfonic acid class air entraining agent.
The preparation method of light block provided by the invention is:
According to mass fraction, by dolomite tailing, flyash, rotten elastomer, perlite, glass bead, cement and subtract Aqua is added in blender, with the revolving speed of 120-150r/min be uniformly mixed, then add water in blender, continue with Identical revolving speed stirs to get slurry, and then air entraining agent is added in blender, and continuation is stirred with the revolving speed of 160-180r/min 1-1.5min is mixed, after standing 3-4min naturally, slurry is injected into mold, is demoulded after building block blank spontaneous curing, will be taken off Building block blank after mould is sent in steam press maintenance room, and with the pressure of 1.0-1.2MPa, 120-140 DEG C of temperature conserves 6- Then building block temperature is cooled to room temperature stacking and stacked by 8h.
The present invention has following beneficial effect:
The type light block is gathered materials by dolomite tailing, flyash and cement etc. to be prepared, white clouds used in material On the one hand stone tailing is for the considerations of reducing cost, is on the other hand because the fineness gathered materials is high, processing performance is good, and And there is high refractoriness, it can be improved the high temperature resistance of building block;The use that perlite gathers materials with glass bead can drop Low brick body density, improves the thermal and insulating performance of brick body;Use in the present invention by air entraining agent forms tiny in brick body Air gap is closed, to reduce brick body density, the hollow structure of the air gap and glass bead that are formed in brick body by air entraining agent can be with Good sound-absorbing effect is played, so that the building block has good sound insulation value.
Most of all, also using a kind of special reinforced resilent body in the type light block, this elastomer is by having Machine polymer and inorganic filler are combined, and the elasticity of elastomer is strong, oil resistant, corrosion-resistant, and dynamic property is good, and has very Outstanding heat-resisting and resistance to low temperature, the wear-resisting property and ageing resistance of elastomer are also relatively prominent, which adds in building block In raw material, the effect for inhaling wave damping and buffering deformation can be played, to enhance the compression strength and bend-resistance of light block Can, it avoids insulation board from being broken by impact force action, improves the service life of insulation board.In addition, elastomer is to promotion lightweight The heat preservation of building block and sound insulation value also have certain facilitation.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Method and making reinforced elastomer is in following embodiment:
(1) according to mass fraction, 1.5 parts of hydroxymethyl celluloses and 100 parts of deionized waters are added in reaction kettle, sufficiently It is uniformly mixing to obtain solution, solution temperature is increased to 56 DEG C, nitrogen is then filled with into reaction kettle and carries out deoxygenation, by 25 part 1, 1- difluoroethylene, 27 parts of hexafluoropropenes, 4.5 parts of bromotrifluoethylenes, 0.7 part of perfluoroalkyl bromides and 1.2 parts of 1- iodo- 1H, 1H, 2H, The mixing of 2H- perfluorooctane, the pressure controlled in reaction kettle is 2.85-3.05MPa, and mixed gas is passed into reaction kettle and stirs repeatedly It mixes so that portion gas, which is scattered in solution, obtains dispersion liquid;By 0.3 part of diisopropyl peroxydicarbonate and 0.6 part of peroxide Benzoyl nitrate is added in 3 parts of organic solvents, is obtained in the dispersion liquid that solution is added in reaction kettle as initiator, and to 1.5 parts of diiodomethane solution, polymerization reaction start in the dispersion liquid of reaction kettle, continue proportionally to be passed through mixed gas holding instead Pressure is answered, product is solidified with potassium sulfate solution and is separated, it is then washed, filter and be dried to obtain fluoropolymer A;
(2) by 14 parts of fluoropolymer A, 30 parts of natural rubbers, 12 parts of isoprene, 7 parts of chlorobutadienes, 2 parts of styrene Maleic anhydride grafts, 1.3 parts of aspartic acids, 2.5 parts of hexamethyldisilazane, 0.7 part of pentamethylene and 0.3 part of four fourth of bromination Base ammonium is added in double screw extruder, with 220 DEG C of temperature, is kneaded 17min;Obtain rubber compound B;
(3) according to mass ratio 4:1:7:3:3 ratio is by Alpha-alumina, nanometer silicon carbide, nano silica, talcum Powder and carbon black mixing, obtain inorganic filler, 25 parts of octadecyl polyoxyethylene groups tetradecyl ammonium chlorides are added in reaction kettle, 10 parts of inorganic fillers are added, 50min is stirred with 93 DEG C of degree heating water bath, by reaction product centrifugation, washing, drying, Gu Shape object is added in reaction kettle again, and is added 40 part 2, and 2,6,6- tetramethyl piperidine nitrogen oxidation stability free radicals are heated to 80-83 DEG C, electromagnetic agitation and back flow reaction 20h;After reaction, organically-modified needed for product centrifugation, washing, drying being obtained Filler C;
(4) by 100 parts of rubber compound B, 55 parts of organically-modified filler C, 2.4 parts of zinc stearates, 4.6 parts of naphthenic oils, 2.5 parts it is anti- Oxygen agent, 1.7 parts of calcium-zinc composite stabilizing agents, 0.8 part of plasticizer and 4 parts of silane coupling agents are mixed to join in double screw extruder, The temperature of 6 barrels of double screw extruder is respectively:140 DEG C, 140 DEG C, 150 DEG C, 150 DEG C, 160 DEG C and 180 DEG C;Extruder Revolving speed is 350r/min, and mixed refining process 20min is obtained after cooling mixture then by extruded stock plasticizing granulation in an extruder Required reinforced resilent body.
Wherein, the organic solvent in step (1) is acetone.
The die head temperature of extruder is 230 DEG C in step (4).
Embodiment 1
A kind of impact-resistant heat insulation sound-proof light block, the raw material components of light block include:55 parts of dolomite tailing, powder 20 parts of coal ash, 5 parts of reinforced resilent body, 5 parts of perlite, 4 parts of glass bead, 17 parts of cement, 0.3 part of water-reducing agent, air entraining agent 1.8 Part, 26 parts of water.
Wherein, the partial size of perlite is 3-6mm;The partial size of glass bead is 0.5-1mm.
Cement is portland cement and sulphate aluminium cement 7:The mixture of 3 mass ratioes;Water-reducing agent is lignin water reducer.
Air entraining agent is rosin tree lipid air entraining agent.
The preparation method of light block provided in this embodiment is:
According to mass fraction, by dolomite tailing, flyash, rotten elastomer, perlite, glass bead, cement and subtract Aqua is added in blender, is uniformly mixed with the revolving speed of 120r/min, is then added water in blender, is continued with identical Revolving speed stir to get slurry, then air entraining agent is added in blender, continues to stir 1min with the revolving speed of 160r/min, from After so standing 3min, slurry is injected into mold, is demoulded after building block blank spontaneous curing, the building block blank after demoulding is sent Enter into steam press maintenance room, with the pressure of 1.0MPa, 120 DEG C of temperature conserves 6h, and building block temperature is then down to room temperature Stacking is stacked afterwards.
Embodiment 2
A kind of impact-resistant heat insulation sound-proof light block, the raw material components of light block include:65 parts of dolomite tailing, powder 25 parts of coal ash, 10 parts of reinforced resilent body, 7 parts of perlite, 8 parts of glass bead, 21 parts of cement, 0.6 part of water-reducing agent, air entraining agent 2.6 Part, 32 parts of water.
Wherein, the partial size of perlite is 3-6mm;The partial size of glass bead is 0.5-1mm.
Cement is portland cement and sulphate aluminium cement 7:The mixture of 3 mass ratioes;Water-reducing agent is poly- hydroxy acid system diminishing Agent.
Air entraining agent is alkylated aromatic sulfonic acid class air entraining agent.
The preparation method of light block provided in this embodiment is:
According to mass fraction, by dolomite tailing, flyash, rotten elastomer, perlite, glass bead, cement and subtract Aqua is added in blender, is uniformly mixed with the revolving speed of 150r/min, is then added water in blender, is continued with identical Revolving speed stir to get slurry, then air entraining agent is added in blender, continues to stir 1.5min with the revolving speed of 180r/min, Naturally after standing 4min, slurry is injected into mold, is demoulded after building block blank spontaneous curing, by the building block blank after demoulding It is sent in steam press maintenance room, with the pressure of 1.2MPa, 140 DEG C of temperature conserves 8h, and building block temperature is then down to room Stacking is stacked after temperature.
Embodiment 3
A kind of impact-resistant heat insulation sound-proof light block, the raw material components of light block include:60 parts of dolomite tailing, powder 23 parts of coal ash, 7 parts of reinforced resilent body, 6.5 parts of perlite, 6 parts of glass bead, 19 parts of cement, 0.5 part of water-reducing agent, air entraining agent 2.3 Part, 30 parts of water.
Wherein, the partial size of perlite is 3-6mm;The partial size of glass bead is 0.5-1mm.
Cement is portland cement and sulphate aluminium cement 7:The mixture of 3 mass ratioes;Water-reducing agent is melamine water reducing agent.
Air entraining agent is rosin tree lipid air entraining agent.
The preparation method of light block provided in this embodiment is:
According to mass fraction, by dolomite tailing, flyash, rotten elastomer, perlite, glass bead, cement and subtract Aqua is added in blender, is uniformly mixed with the revolving speed of 140r/min, is then added water in blender, is continued with identical Revolving speed stir to get slurry, then air entraining agent is added in blender, continues to stir 1min with the revolving speed of 170r/min, from After so standing 3.5min, slurry is injected into mold, is demoulded after building block blank spontaneous curing, by the building block blank after demoulding It is sent in steam press maintenance room, with the pressure of 1.1MPa, 130 DEG C of temperature conserves 7h, and building block temperature is then down to room Stacking is stacked after temperature.
Performance test
Brick body dry density, compression strength, thermal coefficient and the wear-resisting property of light block in the present embodiment are tested, mountain is set East carries out performance comparison with the sand aerated concrete heat insulation building block that moral building materials Co., Ltd produces as a control group, obtains as follows Test data:
Table 1:The performance test results of building block in the present embodiment and control group
Analyze the above experimental data discovery, the high mechanical strength of light block provided by the invention, the list of compression strength Block value and average value are all larger than common air-entrained concrete building block, and the impact resistance of building block is higher, it is not easy to and be pressurized fracture, this Outside, the thermal coefficient of the type building block and density are lower, and thermal and insulating performance is more preferable, and it can be concluded that, the air gap in building block is not Only be conducive to improve thermal insulation property, reduce density, the soundproof effect of building block can also be improved.In addition, from it was found that, the type The wear-resisting property of building block is preferable, and compared with the control group, wear-resisting property promotes 20% effect to the mill hole length in test.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of impact-resistant heat insulation sound-proof light block, it is characterised in that:The raw material components of the light block include:White clouds 55-65 parts of stone tailing, 20-25 parts of flyash, 5-10 parts of reinforced resilent body, 5-7 parts of perlite, 4-8 parts of glass bead, cement 17-21 parts, 0.3-0.6 parts of water-reducing agent, 1.8-2.6 parts of air entraining agent, 26-32 parts of water.
2. a kind of impact-resistant heat insulation sound-proof light block according to claim 1, it is characterised in that:The light block Raw material components include:58-62 parts of dolomite tailing, 21-24 parts of flyash, 6-8 parts of reinforced resilent body, 6-7 parts of perlite, glass Change microballon 5-7 parts, 18-20 parts of cement, 0.4-0.5 parts of water-reducing agent, 2.1-2.4 parts of air entraining agent, 28-31 parts of water.
3. a kind of impact-resistant heat insulation sound-proof light block according to claim 1, it is characterised in that:The light block Raw material components include:60 parts of dolomite tailing, 23 parts of flyash, 7 parts of reinforced resilent body, 6.5 parts of perlite, glass bead 6 Part, 19 parts of cement, 0.5 part of water-reducing agent, 2.3 parts of air entraining agent, 30 parts of water.
4. a kind of impact-resistant heat insulation sound-proof light block according to claim 1, it is characterised in that:The reinforcing elasticity The preparation method of body includes the following steps:
(1)According to mass fraction, 1.5 parts of hydroxymethyl celluloses and 100 parts of deionized waters are added in reaction kettle, are sufficiently stirred Solution uniformly is obtained, solution temperature is increased to 55-58 DEG C, nitrogen is then filled with into reaction kettle and carries out deoxygenation, by 25 part 1, 1- difluoroethylene, 27 parts of hexafluoropropenes, 4.5 parts of bromotrifluoethylenes, 0.7 part of perfluoroalkyl bromides and 1.2 parts of 1- iodo- 1H, 1H, 2H, The mixing of 2H- perfluorooctane, the pressure controlled in reaction kettle is 2.85-3.05MPa, and mixed gas is passed into reaction kettle and stirs repeatedly It mixes so that portion gas, which is scattered in solution, obtains dispersion liquid;By 0.3 part of diisopropyl peroxydicarbonate and 0.6 part of peroxide Benzoyl nitrate is added in 3 parts of organic solvents, is obtained in the dispersion liquid that solution is added in reaction kettle as initiator, and to 1.5 parts of diiodomethane solution, polymerization reaction start in the dispersion liquid of reaction kettle, continue proportionally to be passed through mixed gas holding instead Pressure is answered, product is solidified with potassium sulfate solution and is separated, it is then washed, filter and be dried to obtain fluoropolymer A;
(2)By 14 parts of fluoropolymer A, 30 parts of natural rubbers, 12 parts of isoprene, 7 parts of chlorobutadienes, 2 parts of styrene Malaysias Acid anhydrides graft, 1.3 parts of aspartic acids, 2.5 parts of hexamethyldisilazane, 0.7 part of pentamethylene and 0.3 part of Tetrabutylammonium bromide It is added in double screw extruder, with 215-225 DEG C of temperature, is kneaded 15-20min;Obtain rubber compound B;
(3)According to mass ratio 4:1:7:3:3 ratio by Alpha-alumina, nanometer silicon carbide, nano silica, talcum powder and Carbon black mixing, obtains inorganic filler, and 25 parts of octadecyl polyoxyethylene groups tetradecyl ammonium chlorides are added in reaction kettle, is added 10 parts of inorganic fillers stir 50min with 90-95 DEG C of degree heating water bath, by reaction product centrifugation, washing, drying, solid Object is added in reaction kettle again, and is added 40 part 2, and 2,6,6- tetramethyl piperidine nitrogen oxidation stability free radicals are heated to 80-83 DEG C, electromagnetic agitation and back flow reaction 20h;After reaction, organically-modified needed for product centrifugation, washing, drying being obtained Filler C;
(4)By 100 parts of rubber compound B, 55 parts of organically-modified filler C, 2.4 parts of zinc stearates, 4.6 parts of naphthenic oils, 2.5 parts of antioxygens Agent, 1.7 parts of calcium-zinc composite stabilizing agents, 0.8 part of plasticizer and 4 parts of silane coupling agents are mixed to join in double screw extruder, double The temperature of 6 barrels of screw extruder is respectively:140 DEG C, 140 DEG C, 150 DEG C, 150 DEG C, 160 DEG C and 180 DEG C;Extruder turns Speed is 350r/min, and mixed refining process 15-25min is obtained after cooling mixture then by extruded stock plasticizing granulation in an extruder Required reinforced resilent body.
5. a kind of impact-resistant heat insulation sound-proof light block according to claim 4, it is characterised in that:The step(1) In organic solvent be acetone, methyl acetate or t-butyl formate.
6. a kind of impact-resistant heat insulation sound-proof light block according to claim 4, it is characterised in that:The step(4) The die head temperature of middle extruder is 220-245 DEG C.
7. a kind of impact-resistant heat insulation sound-proof light block according to claim 1, it is characterised in that:The perlite Partial size is 3-6mm;The partial size of glass bead is 0.5-1mm.
8. a kind of impact-resistant heat insulation sound-proof light block according to claim 1, it is characterised in that:The cement is Portland cement and sulphate aluminium cement 7:The mixture of 3 mass ratioes;Water-reducing agent is lignin water reducer, poly- hydroxy acid based water reducer One of with melamine water reducing agent.
9. a kind of impact-resistant heat insulation sound-proof light block according to claim 1, it is characterised in that:The air entraining agent is Rosin tree lipid air entraining agent or alkylated aromatic sulfonic acid class air entraining agent.
10. a kind of impact-resistant heat insulation sound-proof light block described in -9 any one according to claim 1, which is characterized in that The preparation method of the light block is:
According to mass fraction, by dolomite tailing, flyash, rotten elastomer, perlite, glass bead, cement and water-reducing agent It is added in blender, is uniformly mixed with the revolving speed of 120-150r/min, is then added water in blender, continue with identical Revolving speed stir to get slurry, then air entraining agent is added in blender, continues to stir 1- with the revolving speed of 160-180r/min Slurry is injected into mold, demoulds after building block blank spontaneous curing, after demoulding after standing 3-4min naturally by 1.5min Building block blank be sent in steam press maintenance room, with the pressure of 1.0-1.2MPa, 120-140 DEG C of temperature conserves 6-8h, Then building block temperature stacking is cooled to room temperature to stack.
CN201810783193.0A 2018-07-17 2018-07-17 Impact-resistant heat-insulation sound-insulation light building block Withdrawn CN108840638A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112341241A (en) * 2020-11-30 2021-02-09 浙江开元新型墙体材料有限公司 Ultra-low dry density autoclaved aerated concrete and production method thereof
CN113149541A (en) * 2021-02-19 2021-07-23 青岛圣丰智能自动化设备有限公司 Environment-friendly anti-freezing concrete and preparation method thereof
CN114394786A (en) * 2021-12-29 2022-04-26 华润电力(贺州)有限公司 Explosion-proof composite wall and application thereof in storage battery isolation protection

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CN1807335A (en) * 2005-11-03 2006-07-26 上虞多元新型墙体有限公司 High-strength light concrete block and manufacturing method thereof
CN106810152A (en) * 2016-12-19 2017-06-09 马鞍山杰创塑胶科技有限公司 A kind of regeneration EPS particle doped silicate cementitious composite foaming insulation boards of polymolecularity and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1807335A (en) * 2005-11-03 2006-07-26 上虞多元新型墙体有限公司 High-strength light concrete block and manufacturing method thereof
CN106810152A (en) * 2016-12-19 2017-06-09 马鞍山杰创塑胶科技有限公司 A kind of regeneration EPS particle doped silicate cementitious composite foaming insulation boards of polymolecularity and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112341241A (en) * 2020-11-30 2021-02-09 浙江开元新型墙体材料有限公司 Ultra-low dry density autoclaved aerated concrete and production method thereof
CN113149541A (en) * 2021-02-19 2021-07-23 青岛圣丰智能自动化设备有限公司 Environment-friendly anti-freezing concrete and preparation method thereof
CN114394786A (en) * 2021-12-29 2022-04-26 华润电力(贺州)有限公司 Explosion-proof composite wall and application thereof in storage battery isolation protection

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