CN109054545A - A kind of Green environmental-protection building material based on gangue and flyash - Google Patents
A kind of Green environmental-protection building material based on gangue and flyash Download PDFInfo
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- CN109054545A CN109054545A CN201810575986.3A CN201810575986A CN109054545A CN 109054545 A CN109054545 A CN 109054545A CN 201810575986 A CN201810575986 A CN 201810575986A CN 109054545 A CN109054545 A CN 109054545A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: fibres, hydroxyethyl cellulose, polyimides, deionized water, wetting agent, defoaming agent, PH regulator are discarded in aqueous silicone acrylic emulsion, filler, afforestation；Wherein, the filler is that titanium dioxide, flyash, modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5.The invention also discloses the preparation methods of the Green environmental-protection building material based on gangue and flyash.Green environmental-protection building material prepared by the present invention based on gangue and flyash is highly resistant to deformation when larger displacement occurs for building structure, smog diffusion is effectively hindered, is damped down a fire and is spread and have certain sound insulation effect, it can satisfy the growing various fireproof blocking demands of building field, simple process, energy conservation and environmental protection, cost is relatively low, has a vast market foreground.
Description
Technical field
The present invention relates to the field of building materials, specifically a kind of Green environmental-protection building material based on gangue and flyash
Material.
Background technique
With the continuous development of society, the environmental consciousness of people is also increasingly stronger, wherein construction material is as a kind of people
Common material in production and living does not need only to have various excellent performances, it is also necessary to meet environmentally protective theory, and it is sharp
Life or industrial waste are used as raw material and prepares construction material, environmentally protective theory is not only conformed with, is also waste subsequent processing
Provide a paths.
Gangue is the solid waste discharged during coal mining process and coal washing, be one kind in coalification course with coal seam companion
A kind of lower, harder than the coal black and gray rock of raw phosphorus content, China have accumulated gangue about 1000Mt over the years, and annual
Discharge about 100Mt is continued to, not only accumulation land occupation, but also spontaneous combustion pollution air or fire can also be caused.Flyash is fired from coal
The fine ash that catching is got off in flue gas after burning is the primary solids waste of coal-burning power plant's discharge, with the development of power industry, combustion
The flyash discharge capacity of coal-fired plant increases year by year, becomes one of biggish industrial residue of the current discharge capacity in China, a large amount of flyash
If untreated, fugitive dust will be generated, atmosphere is polluted, silts up if being discharged into water system and will cause river, and toxic chemical therein
Substance can also cause damages to human body and biology.As it can be seen that developing a kind of have excellent performance and based on gangue and flyash
Green environmental-protection building material is used to solve the subsequent processing of gangue and flyash, is current urgent problem.
Summary of the invention
The purpose of the present invention is to provide a kind of Green environmental-protection building material based on gangue and flyash, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 280-420 parts of silicone acrylic emulsion, 210-350 parts of filler, afforestation discard fibres 25-50 parts, hydroxyethyl cellulose 1-8
Part, 4-15 parts of polyimides, 150-240 parts of deionized water, 1-8 parts of wetting agent, 1-8 parts of defoaming agent, 0.5-5 parts of PH regulator；
Wherein, the filler be titanium dioxide, flyash, modified gangue and coarse whiting according to the ratio mixing that weight ratio is 2:4:4:5 and
At.
As a further solution of the present invention: including below according to the raw material of parts by weight: aqueous silicone acrylic emulsion 320-400
Part, 250-320 parts of filler, afforestation be fibres 30-45 parts discarded, 2-6 parts of hydroxyethyl cellulose, 7-12 parts of polyimides,
170-220 parts of deionized water, 2-6 parts of wetting agent, 2-6 parts of defoaming agent, 1-3 parts of PH regulator.
As further scheme of the invention: including below according to the raw material of parts by weight: 350 parts of aqueous silicone acrylic emulsion,
280 parts of filler, afforestation discard 40 parts of fibres, 4 parts of hydroxyethyl cellulose, 10 parts of polyimides, 200 parts of deionized water,
4 parts of wetting agent, 3 parts of defoaming agent, 2 parts of PH regulator.
As further scheme of the invention: the preparation method that fibres are discarded in the afforestation is by afforestation
Waste is dried, and mould progress spontaneous fermentation processing, the temperature of the spontaneous fermentation is added after being crushed to 80-250 mesh
Degree is 27 DEG C, and the time is 15 days, carries out negative pressure filtration after fermentation, is then fed into disc mill and carries out defibrination process, defibrination is complete
Fibres are discarded at rear progress low-temperature vacuum drying to get the afforestation.
As further scheme of the invention: the preparation method of the modified gangue is that will be added in right amount in gangue
Concentration be 2mol/L sulfuric acid solution in, mechanical stirring 30-40min under conditions of 40-80 DEG C, filter, be dried in vacuo, will
The powder obtained after vacuum drying is placed in vacuum tank, is evacuated to 0-0.2MPa, and silica airsetting is added into vacuum tank
The volume ratio of glue, the aerosil and powder is 4:1, continues that vacuum tank slowly boosts after vacuumizing 10-25min
Vacuum pressure inside the tank is then down to normal pressure, under normal temperature conditions aging 12-48h to 1.4MPa, pressure stabilizing 10-15min, obtains institute
State modified gangue.
As the present invention further scheme: the titanium dioxide, flyash, modified gangue and coarse whiting granularity be
400-500 mesh.
As further scheme of the invention: the defoaming agent is silicone emulsion, dimethyl silicone polymer, organic silicone oil
One or more of combination；The wetting agent is the combination of one or more of ethyl alcohol, propylene glycol, glycerol；The PH
Regulator is 2-amino-2-methyl-1-propanol.
The preparation method of the Green environmental-protection building material based on gangue and flyash, steps are as follows:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse processing, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 30-50min obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), then mechanical stirring 2-8min is being stirred
Under the conditions of sequentially add polyimides and hydroxyethyl cellulose, mechanical stirring 10-20min to get.
As further scheme of the invention: in step 1), the time of the ultrasonic disperse is 20-40min；It is described super
The supersonic frequency of sound dispersion is 30-50kHz.
The Green environmental-protection building material based on gangue and flyash is preparing the purposes in construction material.
Compared with prior art, the beneficial effects of the present invention are:
There is Green environmental-protection building material prepared by the present invention based on gangue and flyash good resistance displacement to become
Shape ability is discarded the synergistic function of fibres and flyash by modified gangue, afforestation, is highly resistant to building
Deformation when larger displacement occurs for structure, effectively hinders smog diffusion, damps down a fire and spread and have certain sound insulation effect,
Can satisfy the growing various fireproof blocking demands of building field, simple process, cost is relatively low, meanwhile, with flyash and
Gangue reduces environmental pollution as raw material, and energy conservation and environmental protection has a vast market foreground.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 280 parts of silicone acrylic emulsion, 210 parts of filler, afforestation discard 25 parts of fibres, 1 part of hydroxyethyl cellulose, 4 parts of polyimides,
150 parts of deionized water, 1 part of wetting agent, 1 part of defoaming agent, 0.5 part of PH regulator；Wherein, the filler be titanium dioxide, flyash,
Modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5；The system of fibres is discarded in the afforestation
Preparation Method is that afforestation waste is dried, and is sent into fermentation vat progress spontaneous fermentation processing after being crushed to 100 mesh,
The temperature of the spontaneous fermentation is 27 DEG C, and the time is 15 days, carries out negative pressure filtration after fermentation, is then fed into disc mill progress
Defibrination process, defibrination carry out low-temperature vacuum drying after the completion and discard fibres to get the afforestation；The modified gangue
Preparation method be that suitable concentration will be added in gangue is in the sulfuric acid solution of 2mol/L, machinery stirs under conditions of 60 DEG C
35min is mixed, is filtered, the powder obtained after vacuum drying is placed in vacuum tank, is evacuated to 0.1MPa, Xiang Zhen by vacuum drying
The volume ratio of addition aerosil in slack tank, the aerosil and powder is 4:1, continues to vacuumize
Vacuum tank is slowly boosted into 1.4MPa after 20min, vacuum pressure inside the tank is then down to normal pressure by pressure stabilizing 12min, in room temperature item
Aging for 24 hours, obtains the modified gangue under part；The titanium dioxide, flyash, modified gangue and coarse whiting granularity be 450
Mesh；The defoaming agent is that silicone emulsion and dimethyl silicone polymer are mixed according to the ratio that weight ratio is 1:1；The wetting
Agent is propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Embodiment 2
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 420 parts of silicone acrylic emulsion, 350 parts of filler, afforestation discard 50 parts of fibres, 8 parts of hydroxyethyl cellulose, polyimides 15
Part, 240 parts of deionized water, 8 parts of wetting agent, 8 parts of defoaming agent, 5 parts of PH regulator.Wherein, the filler is titanium dioxide, fine coal
Ash, modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5；Fibres are discarded in the afforestation
Preparation method is that afforestation waste is dried, and is sent at fermentation vat progress spontaneous fermentation after being crushed to 100 mesh
Reason, the temperature of the spontaneous fermentation are 27 DEG C, and the time is 15 days, carry out negative pressure filtration after fermentation, are then fed into disc mill
Defibrination process is carried out, low-temperature vacuum drying is carried out after the completion of defibrination and discards fibres to get the afforestation；The modified coal
The preparation method of spoil is that suitable concentration will be added in gangue is machine under conditions of 60 DEG C in the sulfuric acid solution of 2mol/L
Tool stirs 35min, filters, and the powder obtained after vacuum drying is placed in vacuum tank, is evacuated to 0.1MPa by vacuum drying,
It is added aerosil into vacuum tank, the volume ratio of the aerosil and powder is 4:1, continues to vacuumize
Vacuum tank is slowly boosted into 1.4MPa after 20min, vacuum pressure inside the tank is then down to normal pressure by pressure stabilizing 12min, in room temperature item
Aging for 24 hours, obtains the modified gangue under part；The titanium dioxide, flyash, modified gangue and coarse whiting granularity be 450
Mesh；The defoaming agent is that silicone emulsion and dimethyl silicone polymer are mixed according to the ratio that weight ratio is 1:1；The wetting
Agent is propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Embodiment 3
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 350 parts of silicone acrylic emulsion, 280 parts of filler, afforestation discard 37.5 parts of fibres, 4.5 parts of hydroxyethyl cellulose, polyimides
9.5 parts, 195 parts of deionized water, 4.5 parts of wetting agent, 4.5 parts of defoaming agent, 2.75 parts of PH regulator.Wherein, the filler is titanium
White powder, flyash, modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5；The afforestation is useless
The preparation method of gurry fiber is that afforestation waste is dried, and is sent into fermentation vat progress after being crushed to 100 mesh
Spontaneous fermentation processing, the temperature of the spontaneous fermentation are 27 DEG C, and the time is 15 days, carry out negative pressure filtration after fermentation, then
It is sent into disc mill and carries out defibrination process, carry out low-temperature vacuum drying after the completion of defibrination and discard fibres to get the afforestation；
The preparation method of the modified gangue is that suitable concentration will be added in gangue is in the sulfuric acid solution of 2mol/L, at 60 DEG C
Under conditions of mechanical stirring 35min, filter, vacuum drying, the powder obtained after vacuum drying is placed in vacuum tank, is vacuumized
To 0.1MPa, it being added aerosil into vacuum tank, the volume ratio of the aerosil and powder is 4:1,
Continue to vacuumize and vacuum tank is slowly boosted into 1.4MPa after 20min, vacuum pressure inside the tank is then down to often by pressure stabilizing 12min
Pressure, aging for 24 hours, obtains the modified gangue under normal temperature conditions；The titanium dioxide, flyash, modified gangue and coarse whiting
Granularity is 450 mesh；The defoaming agent be silicone emulsion and dimethyl silicone polymer according to the ratio mixing that weight ratio is 1:1 and
At；The wetting agent is propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Embodiment 4
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 320 parts of silicone acrylic emulsion, 250 parts of filler, afforestation discard 30 parts of fibres, 2 parts of hydroxyethyl cellulose, 7 parts of polyimides,
170 parts of deionized water, 2 parts of wetting agent, 2 parts of defoaming agent, 1 part of PH regulator.Wherein, the filler is titanium dioxide, flyash, changes
Property gangue and coarse whiting according to weight ratio be 2:4:4:5 ratio mix；The preparation of fibres is discarded in the afforestation
Method is that afforestation waste is dried, and is sent into fermentation vat progress spontaneous fermentation processing, institute after being crushed to 100 mesh
The temperature for stating spontaneous fermentation is 27 DEG C, and the time is 15 days, carries out negative pressure filtration after fermentation, is then fed into disc mill and is ground
Slurry processing, defibrination carry out low-temperature vacuum drying after the completion and discard fibres to get the afforestation；The modified gangue
Preparation method is that suitable concentration will be added in gangue is mechanical stirring under conditions of 60 DEG C in the sulfuric acid solution of 2mol/L
35min is filtered, and the powder obtained after vacuum drying is placed in vacuum tank, is evacuated to 0.1MPa, to vacuum by vacuum drying
The volume ratio of addition aerosil in tank, the aerosil and powder is 4:1, continues to vacuumize 20min
Vacuum tank is slowly boosted into 1.4MPa afterwards, vacuum pressure inside the tank is then down to normal pressure, under normal temperature conditions by pressure stabilizing 12min
Aging for 24 hours, obtains the modified gangue；The titanium dioxide, flyash, modified gangue and coarse whiting granularity be 450 mesh；Institute
Stating defoaming agent is that silicone emulsion and dimethyl silicone polymer are mixed according to the ratio that weight ratio is 1:1；The wetting agent is
Propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Embodiment 5
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 400 parts of silicone acrylic emulsion, 320 parts of filler, afforestation discard 45 parts of fibres, 6 parts of hydroxyethyl cellulose, polyimides 12
Part, 220 parts of deionized water, 6 parts of wetting agent, 6 parts of defoaming agent, 3 parts of PH regulator.Wherein, the filler is titanium dioxide, fine coal
Ash, modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5；Fibres are discarded in the afforestation
Preparation method is that afforestation waste is dried, and is sent at fermentation vat progress spontaneous fermentation after being crushed to 100 mesh
Reason, the temperature of the spontaneous fermentation are 27 DEG C, and the time is 15 days, carry out negative pressure filtration after fermentation, are then fed into disc mill
Defibrination process is carried out, low-temperature vacuum drying is carried out after the completion of defibrination and discards fibres to get the afforestation；The modified coal
The preparation method of spoil is that suitable concentration will be added in gangue is machine under conditions of 60 DEG C in the sulfuric acid solution of 2mol/L
Tool stirs 35min, filters, and the powder obtained after vacuum drying is placed in vacuum tank, is evacuated to 0.1MPa by vacuum drying,
It is added aerosil into vacuum tank, the volume ratio of the aerosil and powder is 4:1, continues to vacuumize
Vacuum tank is slowly boosted into 1.4MPa after 20min, vacuum pressure inside the tank is then down to normal pressure by pressure stabilizing 12min, in room temperature item
Aging for 24 hours, obtains the modified gangue under part；The titanium dioxide, flyash, modified gangue and coarse whiting granularity be 450
Mesh；The defoaming agent is that silicone emulsion and dimethyl silicone polymer are mixed according to the ratio that weight ratio is 1:1；The wetting
Agent is propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Embodiment 6
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 360 parts of silicone acrylic emulsion, 285 parts of filler, afforestation discard 37.5 parts of fibres, 4 parts of hydroxyethyl cellulose, polyimides
9.5 parts, 195 parts of deionized water, 4 parts of wetting agent, 4 parts of defoaming agent, 2 parts of PH regulator.Wherein, the filler is titanium dioxide, powder
Coal ash, modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5；Fibres are discarded in the afforestation
Preparation method be that afforestation waste is dried, be crushed to after 100 mesh and be sent into fermentation vat and carry out spontaneous fermentation
Processing, the temperature of the spontaneous fermentation are 27 DEG C, and the time is 15 days, carry out negative pressure filtration after fermentation, are then fed into mill
Machine carries out defibrination process, carries out low-temperature vacuum drying after the completion of defibrination and discards fibres to get the afforestation；The modification
The preparation method of gangue is that suitable concentration will be added in gangue is in the sulfuric acid solution of 2mol/L, under conditions of 60 DEG C
Mechanical stirring 35min is filtered, and the powder obtained after vacuum drying is placed in vacuum tank, is evacuated to by vacuum drying
0.1MPa, is added aerosil into vacuum tank, and the volume ratio of the aerosil and powder is 4:1, after
Continuing and vacuum tank is slowly boosted into 1.4MPa after vacuumizing 20min, vacuum pressure inside the tank is then down to normal pressure by pressure stabilizing 12min,
Aging for 24 hours, obtains the modified gangue under normal temperature conditions；The granularity of the titanium dioxide, flyash, modified gangue and coarse whiting
It is 450 mesh；The defoaming agent is that silicone emulsion and dimethyl silicone polymer are mixed according to the ratio that weight ratio is 1:1；
The wetting agent is propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Embodiment 7
A kind of Green environmental-protection building material based on gangue and flyash, including below according to the raw material of parts by weight: water
Property 350 parts of silicone acrylic emulsion, 280 parts of filler, afforestation discard 40 parts of fibres, 4 parts of hydroxyethyl cellulose, polyimides 10
Part, 200 parts of deionized water, 4 parts of wetting agent, 3 parts of defoaming agent, 2 parts of PH regulator.Wherein, the filler is titanium dioxide, fine coal
Ash, modified gangue and coarse whiting are mixed according to the ratio that weight ratio is 2:4:4:5；Fibres are discarded in the afforestation
Preparation method is that afforestation waste is dried, and is sent at fermentation vat progress spontaneous fermentation after being crushed to 100 mesh
Reason, the temperature of the spontaneous fermentation are 27 DEG C, and the time is 15 days, carry out negative pressure filtration after fermentation, are then fed into disc mill
Defibrination process is carried out, low-temperature vacuum drying is carried out after the completion of defibrination and discards fibres to get the afforestation；The modified coal
The preparation method of spoil is that suitable concentration will be added in gangue is machine under conditions of 60 DEG C in the sulfuric acid solution of 2mol/L
Tool stirs 35min, filters, and the powder obtained after vacuum drying is placed in vacuum tank, is evacuated to 0.1MPa by vacuum drying,
It is added aerosil into vacuum tank, the volume ratio of the aerosil and powder is 4:1, continues to vacuumize
Vacuum tank is slowly boosted into 1.4MPa after 20min, vacuum pressure inside the tank is then down to normal pressure by pressure stabilizing 12min, in room temperature item
Aging for 24 hours, obtains the modified gangue under part；The titanium dioxide, flyash, modified gangue and coarse whiting granularity be 450
Mesh；The defoaming agent is that silicone emulsion and dimethyl silicone polymer are mixed according to the ratio that weight ratio is 1:1；The wetting
Agent is propylene glycol；The PH regulator is 2-amino-2-methyl-1-propanol.
In the present embodiment, the preparation method of the Green environmental-protection building material based on gangue and flyash, step is such as
Under:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator,
Ultrasonic disperse is carried out with the supersonic frequency of 40kHz and handles 30min, obtains mixture A；
2) filler is weighed according to parts by weight and fibres are discarded in afforestation, be sent into blender after common mixing and carry out machine
Tool stirring, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, step 2) is added under agitation
Obtained in mixture B, mechanical stirring 40min is carried out with the stirring rate of 2000r/min, obtains mixture C；
4) aqueous silicone acrylic emulsion will be added in mixture C obtained in step 3), is carried out with the stirring rate of 500r/min
Mechanical stirring 4min, then sequentially adds polyimides and hydroxyethyl cellulose under agitation, with the stirring of 800r/min
Rate carry out mechanical stirring 15min to get.
Comparative example 1
Compared with Example 7, modified gangue is free of, other are same as Example 7.
Comparative example 2
Compared with Example 7, fibres are discarded without afforestation, other are same as Example 7.
Comparative example 3
Compared with Example 7, fibres are discarded without modified gangue and afforestation, other are same as Example 7.
Performance test
The embodiment 1-7 and comparative example 1-3 construction material obtained is performed the following performance tests and evaluated: 1. resist displacement
Deformability: reference standard test method ASTME1966 (UL-2079), under the premise of ± 50% deformation rate occurs for test film
The cycle-index of change in displacement is resisted, number is more, illustrates that the ability is strong；2. sound insulation is tested: reference standard test method
ASTME90 coats the construction material of embodiment 7 and comparative example 1-3 preparation on 100 millimeters thick rock wools, and it is dry to form 2mm thickness
The STC value of the composite construction of film, re-test rock wool and dry film, numerical value is higher to illustrate that soundproof effect is better, and specific testing result is such as
Shown in table 1.
It is recognised that the present invention is by addition modified gangue from the data comparison of embodiment 7 in table 1 and comparative example 1,
The resistance displacement deformation ability that construction material can be effectively improved, is provided simultaneously with certain sound insulation effect；From embodiment 7 and comparison
It is recognised that the present invention discards fibres by addition afforestation in the data comparison of example 2, construction material can be effectively improved
Resistance displacement deformation ability, be provided simultaneously with certain sound insulation effect；In addition, from the data comparison of embodiment 7 and comparative example 1-3
In as can be seen that the present invention discards fibres by modified gangue and afforestation cooperates, play synergistic
Effect, can further effectively improve the resistance displacement deformation ability of construction material, be provided simultaneously with certain sound insulation effect.
Green environmental-protection building material prepared by the present invention based on gangue and flyash selects gangue, afforestation
Discarded fibres and flyash as raw material, flyash because it is with preferable shape effect, volcano ash effect and active effect,
The physical and mechanical property for substantially improving fire-proof light construction material, reduces costs；Meanwhile gangue being selected to pass through titanium dioxide
Silica aerogel modification improves the wear-resisting property of material, is provided simultaneously with certain fire prevention sound insulation property, provided by the invention
Green environmental-protection building material based on gangue and flyash discards fibres and fine coal by modified gangue, afforestation
The synergistic function of ash, is highly resistant to deformation when larger displacement occurs for building structure, effectively hinders smog diffusion, weakens
Fire spreading simultaneously has certain sound insulation effect, can satisfy the growing various fireproof blocking demands of building field.
1 performance test results table of table
As can be seen that the Green environmental-protection building material prepared by the present invention based on gangue and flyash from result above
Material is discarded the synergistic function of fibres and flyash by modified gangue, afforestation, is highly resistant to building structure
Deformation when larger displacement occurs, effectively hinders smog diffusion, damp down a fire and spread and have certain sound insulation effect, it can
Meeting the growing various fireproof blocking demands of building field, simple process, cost is relatively low, meanwhile, with flyash and bastard coal
Masonry is raw material, reduces environmental pollution, and energy conservation and environmental protection has a vast market foreground.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.There is no necessity and possibility to exhaust all the enbodiments.And it thus amplifies out apparent
Variation or variation be still in the protection scope of this invention.
Claims (10)
1. a kind of Green environmental-protection building material based on gangue and flyash, which is characterized in that including below according to parts by weight
Raw material: 280-420 parts of aqueous silicone acrylic emulsion, 210-350 parts of filler, afforestation be fibres 25-50 part discarded, ethoxy fibre
Tie up 1-8 parts of element, 4-15 parts of polyimides, 150-240 parts of deionized water, 1-8 parts of wetting agent, 1-8 parts of defoaming agent, PH regulator
0.5-5 parts；Wherein, the filler is the ratio that titanium dioxide, flyash, modified gangue and coarse whiting are 2:4:4:5 according to weight ratio
Example mixes.
2. the Green environmental-protection building material according to claim 1 based on gangue and flyash, which is characterized in that including
Below according to the raw material of parts by weight: fibres are discarded in 320-400 parts of aqueous silicone acrylic emulsion, 250-320 parts of filler, afforestation
30-45 parts, 2-6 parts of hydroxyethyl cellulose, 7-12 parts of polyimides, 170-220 parts of deionized water, 2-6 parts of wetting agent, defoaming agent
2-6 parts, 1-3 parts of PH regulator.
3. the Green environmental-protection building material according to claim 2 based on gangue and flyash, which is characterized in that including
Below according to the raw material of parts by weight: 40 parts of fibres, hydroxyl second are discarded in 350 parts of aqueous silicone acrylic emulsion, 280 parts of filler, afforestation
4 parts of base cellulose, 10 parts of polyimides, 200 parts of deionized water, 4 parts of wetting agent, 3 parts of defoaming agent, 2 parts of PH regulator.
4. the Green environmental-protection building material according to claim 1 or 2 or 3 based on gangue and flyash, feature exist
In the preparation method that fibres are discarded in the afforestation is that afforestation waste is dried, and is crushed to 80-
Mould is added after 250 mesh and carries out spontaneous fermentation processing, the temperature of the spontaneous fermentation is 27 DEG C, and the time is 15 days, and fermentation is completed
After carry out negative pressure filtration, be then fed into disc mill and carry out defibrination process, low-temperature vacuum drying is carried out after the completion of defibrination to get described
Fibres are discarded in afforestation.
5. the Green environmental-protection building material according to claim 3 based on gangue and flyash, which is characterized in that described
The preparation method of modified gangue is that suitable concentration will be added in gangue is in the sulfuric acid solution of 2mol/L, at 40-80 DEG C
Under conditions of mechanical stirring 30-40min, filter, vacuum drying, the powder obtained after vacuum drying is placed in vacuum tank, take out
Aerosil, the volume ratio of the aerosil and powder are added into vacuum tank to 0-0.2MPa for vacuum
For 4:1, continue to vacuumize that vacuum tank is slowly boosted into 1.4MPa, pressure stabilizing 10-15min after 10-25min, then by vacuum tank
Interior pressure is down to normal pressure, under normal temperature conditions aging 12-48h, obtains the modified gangue.
6. the Green environmental-protection building material according to claim 3 based on gangue and flyash, which is characterized in that described
Titanium dioxide, flyash, modified gangue and coarse whiting granularity be 400-500 mesh.
7. the Green environmental-protection building material according to claim 3 based on gangue and flyash, which is characterized in that described
Defoaming agent is the combination of one or more of silicone emulsion, dimethyl silicone polymer, organic silicone oil；The wetting agent is second
The combination of one or more of alcohol, propylene glycol, glycerol；The PH regulator is 2-amino-2-methyl-1-propanol.
8. a kind of preparation side of the Green environmental-protection building material as claimed in claim 1 based on gangue and flyash
Method, which is characterized in that steps are as follows:
1) deionized water is weighed according to parts by weight to be added into container, sequentially add wetting agent, defoaming agent and PH regulator, ultrasound
Decentralized processing obtains mixture A；
2) filler being weighed according to parts by weight and fibres being discarded in afforestation, progress machinery in blender is sent into after common mixing and is stirred
It mixes, is uniformly mixed, obtains mixture B；
3) mixture A obtained in step 1) is added into multi-functional dispersion machine, is added in step 2) obtains under agitation
The mixture B arrived, mechanical stirring 30-50min obtain mixture C；
4) aqueous silicone acrylic emulsion, mechanical stirring 2-8min, then in stirring condition will be added in mixture C obtained in step 3)
Under sequentially add polyimides and hydroxyethyl cellulose, mechanical stirring 10-20min to get.
9. the preparation method of the Green environmental-protection building material according to claim 8 based on gangue and flyash, special
Sign is, in step 1), the time of the ultrasonic disperse is 20-40min；The supersonic frequency of the ultrasonic disperse is 30-
50kHz。
10. prepared by a kind of Green environmental-protection building material as claimed in claim 1 based on gangue and flyash
Purposes in construction material.
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