CN106431188B - A kind of modified irony lake mud building materials and preparation method - Google Patents
A kind of modified irony lake mud building materials and preparation method Download PDFInfo
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- CN106431188B CN106431188B CN201610934352.3A CN201610934352A CN106431188B CN 106431188 B CN106431188 B CN 106431188B CN 201610934352 A CN201610934352 A CN 201610934352A CN 106431188 B CN106431188 B CN 106431188B
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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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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- C04B2111/2061—Materials containing photocatalysts, e.g. TiO2, for avoiding staining by air pollutants or the like
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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Abstract
The invention discloses a kind of modified irony lake mud building materials and preparation methods, belong to building materials technology field.Building materials of the present invention include following components: modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, sodium carboxymethyl starch, lignocellulosic, Kathon CG.Building materials of the present invention are formed by the material science compatibility of green, environmental protection, building materials inherently safe, stabilization, nontoxic, non-volatility pernicious gas.It can not only adsorb, the pernicious gases such as purifying formaldehyde, benzene, can also adjust indoor humidity, enhancing coating wall surface skin texture, sound-insulating, eliminate peculiar smell, fire protection flame retarding, and building materials of the present invention also have the characteristics that component it is simple, it is at low cost, do not crack, do not lose powder, antibacterial and mouldproof, easily reparation.
Description
Technical field
The invention belongs to building materials technology fields, more particularly to a kind of modified irony lake mud building materials and preparation method.
Background technique
As living standard is continuously improved, people are higher and higher to the personalization of decoration and the feature of environmental protection requirement of material, with
Toward commonly use powder of lacquer putty for use on, emulsion paint arrange in pairs or groups come decorating indoor wall cannot demand instantly, and started in recent years fashionable
Diatom ooze coating is drawn back because many consumers is allowed to hope for its fancy price.The release of the pernicious gases such as formaldehyde after house decoration
Up to several weeks even many decades, the life and health of people has been seriously affected.Market is common at present has odorless emulsion paint, except aldehyde latex
The building materials such as paint, diatom ooze, ordor removing itself reduce or do not use glue containing formaldehyde, physical absorption, chemistry except aldehyde mainly relies on
It decomposes and the methods of photocatalysis Decomposition, product quality and except aldehyde ordor removing effect is very different, and price is high.
The technical research disclosed in diatom ooze has very much." a kind of nano combined diatom ooze disclosed in CN102060557B
Material and its construction method " in mention by spraying mode of loading for nanometer titanium dioxide titanium solution (light on diatom ooze surface of constructing
Catalyst) it loads in the micropore on diatom ooze surface layer, and by the porosity of diatom ooze by free formaldehyde present in room air
And other pernicious gases are adsorbed onto diatom ooze coating, pass through the decomposition of photocatalyst (nano-titanium dioxide) and negative ion powder
It is broken down into harmless carbon dioxide and water, to achieve the purpose that purify air.But by being sprayed on diatom ooze construction surface
It applies mode of loading to load to nanometer titanium dioxide titanium solution (photocatalyst) in the micropore on diatom ooze surface layer, this mode is easy because applying
Work is improper and runs counter to desire.The amount for spraying photocatalyst excessively then easily blocks adsorption hole and reduces adsorption capacity, sprays photocatalyst
It is too short and ineffective to measure few then protection period, and photocatalyst needs ultraviolet light irradiation just with decomposition, in natural light
Ultraviolet light hardly enter interior, just further limited to the capacity of decomposition of photocatalyst；" a kind of nothing disclosed in CN102633475B
Glue diatom ooze building materials " in mention select diatomite, kaolin, bentonite, atlapulgite, medical stone powder, quartz sand, sepiolite and
These natural materials porous and with adsorption capacity of Concave-convex clay rod, are used as decoration building materials or production after rational proportion
Plate bonds forming with the feature of above-mentioned natural material entirely, is better able to keep above-mentioned day due to that need not use chemical adhesive
So the porous structure of material has absorption, moisture pick-up properties, can eliminate indoor pollution, adjust indoor humidity, eliminates peculiar smell, being isolated and make an uproar
Sound, coating surface sense of texture is strong, the effect of fire protection flame retarding.Binder is not used suitably due to using above-mentioned many ore pulvis,
After its drying, be easily dehydrated into hardened coating after weathering and easily lose bond effect with wall, easily occur coating cracking, fall off,
The problems such as picking, there are the secondary pollutions such as dust.And above-mentioned patent only used diatomite, sepiolite with adsorption function,
And the material with catalysis, decomposition function is not used, so coating becomes potential pollutant after its adsorption saturation.
And its fancy price enables many consumers hope and draw back, and eventually leads to it and fails to popularize always.
Summary of the invention
It is an object of the present invention in view of the above shortcomings of the prior art, a kind of modified irony lake mud building materials and system are provided
Preparation Method.Building materials of the present invention are formed by the material science compatibility of green, environmental protection, building materials inherently safe, stabilization, nontoxic, non-volatile
Property pernicious gas.It can not only adsorb, the pernicious gases such as purifying formaldehyde, benzene, moreover it is possible to adjust indoor humidity, enhancing coating wall surface flesh
Reason, sound-insulating, eliminate peculiar smell, fire protection flame retarding, and building materials of the present invention also have component it is simple, it is at low cost, do not crack, do not fall
Powder, antibacterial and mouldproof, easy the features such as repairing.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of modified irony lake mud building materials, the component including following parts by weight: modified 20-55 parts of irony lake mud powder, height
12-30 parts of ridge soil powder, 10-25 parts of nanometer titanium dioxide, 5-20 parts of guar gum, 5-15 parts of sodium carboxymethyl starch, lignocellulosic 1-5
Part, 0.5-1.5 parts of Kathon CG.
Further, above-mentioned a kind of modified irony lake mud building materials, the component including following parts by weight: modified irony lake mud
22-45 parts of powder, 15-28 parts of kaolin powder, 13-20 parts of nanometer titanium dioxide, 7-15 parts of guar gum, 6-12 parts of sodium carboxymethyl starch,
1.5-3 parts of lignocellulosic, 0.8-1.2 parts of Kathon CG.
Further, above-mentioned a kind of modified irony lake mud building materials, the component including following parts by weight: modified irony lake mud
35 parts of powder, 23 parts of kaolin powder, 18 parts of nanometer titanium dioxide, 12 parts of guar gum, 9 parts of sodium carboxymethyl starch, 2 parts of lignocellulosic,
1 part of Kathon CG.
A kind of preparation method of modified irony lake mud building materials of the present invention, comprising the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents, 50-100r/ is added
Min stirs 2-3min, stands 1.5-2h, is packed into rotary kiln after supernatant is discharged, and through 560-580 DEG C of calcining 9-10h, irony is made
Lake mud calcined blocks.Kaolin is packed into rotary kiln, through 200-250 DEG C of calcining 3-5h, is made kaolin calcined piece；
(2) it refines: respectively crushing above-mentioned irony lake mud calcined blocks, kaolin calcined piece through pulverizer, cross 100-300 mesh
Irony lake mud powder and kaolin powder is made in sieve；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection
Active powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, changes needed for being made
Property irony lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic by above-mentioned parts by weight
Methyl starch sodium, lignocellulosic, Kathon CG are put into blender, and 50-80r/min stirs 15-20min, and mixed-powder is this
A kind of modified irony lake mud building materials are invented, detection qualification can be vacuum-packed, be put in storage.
Component needed for a kind of modified irony lake mud building materials described above can be bought by market or the prior art is realized, and
Main component is described as follows:
Modified irony lake mud powder: referring to the irony mud formed in lake sediment by the effect of joining, through calcining, low temperature
Irony lake mud powder is made in calcining, pulverizing process, and molecular structure has larger hole, has like configurations with diatomite, equally
There is preferable absorption, catharsis to room air pollution.It is water-soluble with HK-560 silane coupling agent, PEG-8 dimeticone
Siloxanes and injection active carbon powder are turned round heat modification, and modified irony lake mud powder is made, modified not only to have its manufactured goods
It is flexible, change its inherent shortcoming for drying after-hardening, cracking, become fragile, losing powder, and increase coat inside hole, enhancing
The constriction coefficient of coating can be effectively reduced in its adsorption capacity, reduce the risk of cracking.
Kaolin powder: kaolin is also known as porcelain stone, is the aggregate of the hydrosilicate of multi mineral composition, and main component is
Kaolinite is a kind of hydrous alumino silicates.Kaolin powder is made in kaolin after calcining, grinding.By the kaolin of calcining
The hydroxyl in its structure can be made to take off, the amount of dissolution of silicon and aluminium is maximum at this time, with very high activity.Add calcined height
Ridge soil powder can not only reduce cost, moreover it is possible to the viscosity and adsorption activity of enhancing building materials of the present invention.
Nanometer titanium dioxide: also known as nano-TiO2, it is fluffy white powder, nano-TiO is added in coating2With sterilization, prevent
Dirt, deodorization, it is self-cleaning, anti-aging and weather-proof the features such as, make TiO under the action of daylight or light middle-ultraviolet lamp2It activates and generates
Free radical with high catalytic activity can generate very strong photooxidation and reducing power, can be catalyzed, photodissociation is attached to body surface
Organic matters and the part inorganic matter such as various formaldehyde, play the function of purifying the air of a room.With the Modified Iron with adsorption function
After matter lake mud compatibility, that plays synergy removes aldehyde effect.
Guar gum: English name guar gum, what general plantation was extracted in a kind of leguminous plant cluster bean in Indian-Pakistani subcontinent
A kind of High Purity natural polysaccharide.Due to its unique molecular structure feature and natural sex, it is made to rapidly become the new of superior performance
Type ring protects paper making additive, while it is also extensively used for the fields such as food, petroleum, medicine, building.Guar gum is macromolecular day
Right hydrophilic colloid belongs to natural galacto mannosan, one of quality improver, a kind of natural thickener.Appearance is from white
To yellowish free flowing powder, it can be dissolved in cold water or hot water, meet after water and form colloid substance, reach the function thickened rapidly
Effect.In a kind of modified irony lake mud building materials of the present invention, cohesion, cementation are played, with sodium carboxymethyl starch, lignocellulosic
Collective effect under, have enhancing crack resistence, anti-picking the effect of.
Sodium carboxymethyl starch: being a kind of converted starch with carboxymethyl etherification, and performance is better than carboxymethyl cellulose (CMC),
It is the best product for replacing CMC.Its solution has the effect of good thickening, stablizes, water conservation, film forming, suspends.It is easy to use,
Safety and environmental protection.It is widely applied in building material industry.Make thickening water-retaining agent in powder of lacquer putty for use on, emulsion paint；It is hanged in coating
Floating agent, stabilizer, film forming agent have the effects that emulsification, thickening, anti-deposition.Be made cement rubber powder applied to cement plastering mortar,
In cement heat preserving anticracking grout, ceramic tile bond, external wall waterproof putty and other products related with cement.
Lignocellulosic: lignin fibre is the organic fiber that natural timber passes through that chemical treatment obtains, and appearance is cotton-wool
Shape, white or canescence.By screening, division, high-temperature process, bleaching, chemical treatment, neutralize, be sieved into different length and
The fiber of fineness degree needs since treatment temperature is up to 250 DEG C or more with adapt to different application material, is at typical condition
Chemically highly stable substance is not general solvent, acid, caustic corrosion, is had nontoxic, tasteless, pollution-free, "dead"
Fine quality does not influence environment, harmless, belongs to green product, this is not available for other minerals fibers.
Microstructure fiber be it is band-like curved, it is rough, it is porous, infall be it is flat, have good toughness, dispersibility
And chemical stability, water absorbing capacity is strong, there is very outstanding thickening cracking resistance.
Kathon CG: English name Kathon.cmit/mit, chemical name: chloro- -3 ketone of -4 isothiazoline of 2 methyl of 5- and 2- first
Base -4- isothiazoline -3- ketone (CIT/MIT).Kathon CG product system generally acknowledges safe and efficient, broad spectrum activity chemical product anti-in the world
Rotten agent, mould inhibitor have the characteristics that efficient, nontoxic, restraining and sterilizing bacteria wide spectrum, lasting effect are long, have to building materials of the present invention good
Fungus-resistant effect.
In conclusion due to the adoption of the above technical scheme, a kind of beneficial effect of modified irony lake mud building materials of the present invention is:
1. making wall decorative paint using modified irony lake mud building materials, lake mud deposition, water storage reduction, water can not only be alleviated
The environmental problems such as the miscellaneous life of grass, water hypoxia also can be reduced the exploitation of the mineral products such as diatomite, mitigate the destruction of ecology, and compare
Diatomite can reduce by 1/4 cost.By low temperature calcination irony lake mud, it can effectively drive away the fugitive constituent of mineral and combine water, it is living
Change structure, enhances the adsorption capacity of molecular surface hole.By water-soluble with HK-560 silane coupling agent, PEG-8 dimeticone
The revolution heat modification of siloxanes and injection active carbon powder, make its manufactured goods have elasticity, change its dry after-hardening, cracking,
The inherent shortcoming become fragile, to lose powder, and increase coat inside hole, enhance its adsorption capacity, the receipts of coating can be effectively reduced
Contracting coefficient reduces the risk of cracking.Kaolin of the addition by calcining, because the hydroxyl in its structure is taken off, silicon and aluminium at this time
The amount of dissolution is maximum, makes it have very high activity, can enhance the viscosity and adsorption activity of modified irony lake mud.Add Nanometer Titanium Dioxide
Powder can enhance the decomposition of the pernicious gases such as PARA FORMALDEHYDE PRILLS(91,95), benzene, detergent power, solve modified irony lake mud powder and injection active carbon powder is inhaled
The problem of attached saturation.Kaolin powder, nanometer titanium dioxide, guar gum, sodium carboxymethyl starch, lignocellulosic are added, it not only can be with
Cost is reduced as filler material, and caking property, water-retaining property specific to each component, stability obtain synergistic effect,
Thoroughly solves the problems, such as to crack, lose powder, fall off.Under the action of Kathon CG, antiseptic and mildew resistant ability is advanced optimized.
2. comparing three kinds of additives (thickener, binder and mould proof that current diatom ooze building materials are easiest to cause pollution
Agent), a kind of modified irony lake mud building materials of the present invention are by being modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic
Methyl starch sodium, lignocellulosic and Kathon CG scientific compatibility form, and all components are all made of safe and reliable, environmentally protective novel
Material really realizes environmentally protective finishing theory.
3. a kind of modified irony lake mud building materials inherently safe of the present invention, stabilization, green, environmental protection, can not only adsorb, only
Change the pernicious gases such as formaldehyde, benzene, moreover it is possible to adjust indoor humidity, enhancing coating wall surface skin texture, sound-insulating, eliminate peculiar smell, fire prevention
It is fire-retardant, and building materials of the present invention also have the characteristics that component it is simple, it is at low cost, do not crack, do not lose powder, antibacterial and mouldproof, easily repair.
Specific embodiment
The present invention is further described combined with specific embodiments below.
Embodiment 1
A kind of modified irony lake mud building materials, the component including following parts by weight: modified 20 parts of irony lake mud powder, kaolin
30 parts of powder, 10 parts of nanometer titanium dioxide, 20 parts of guar gum, 5 parts of sodium carboxymethyl starch, 5 parts of lignocellulosic, 0.5 part of Kathon CG.
A kind of preparation method of modified irony lake mud building materials, comprising the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents are added, 50r/min is stirred
2min is mixed, 1.5h is stood, is packed into rotary kiln after supernatant is discharged, through 560 DEG C of calcining 9h, irony lake mud calcined blocks are made.It will be high
Ridge soil is packed into rotary kiln and is made kaolin calcined piece through 200 DEG C of calcining 3h；
(2) it refines: above-mentioned irony lake mud calcined blocks, kaolin calcined piece being crushed through pulverizer respectively, sieved with 100 mesh sieve
Irony lake mud powder and kaolin powder is made in net；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection
Active powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, changes needed for being made
Property irony lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic by above-mentioned parts by weight
Methyl starch sodium, lignocellulosic, Kathon CG are put into blender, and 50r/min stirs 15min, and mixed-powder is the present invention one
The modified irony lake mud building materials of kind, being watered to stir evenly by 1:0.9 before construction can be used.
Embodiment 2
A kind of modified irony lake mud building materials, the component including following parts by weight: modified 55 parts of irony lake mud powder, kaolin
12 parts of powder, 25 parts of nanometer titanium dioxide, 5 parts of guar gum, 15 parts of sodium carboxymethyl starch, 1 part of lignocellulosic, 1.5 parts of Kathon CG.
A kind of preparation method of modified irony lake mud building materials, comprising the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents are added, 60r/min is stirred
2.5min is mixed, 1.5h is stood, is packed into rotary kiln after supernatant is discharged, through 565 DEG C of calcining 9h, irony lake mud calcined blocks are made.It will
Kaolin is packed into rotary kiln and is made kaolin calcined piece through 215 DEG C of calcining 3.5h；
(2) it refines: respectively crushing above-mentioned irony lake mud calcined blocks, kaolin calcined piece through pulverizer, cross 150 meshes
Irony lake mud powder and kaolin powder is made in net；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection
Active powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, changes needed for being made
Property irony lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic by above-mentioned parts by weight
Methyl starch sodium, lignocellulosic, Kathon CG are put into blender, and 60r/min stirs 16min, and mixed-powder is the present invention one
The modified irony lake mud building materials of kind, being watered to stir evenly by 1:0.95 before construction can be used.
Embodiment 3
A kind of modified irony lake mud building materials, the component including following parts by weight: the component including following parts by weight: change
It is 22 parts of property irony lake mud powder, 28 parts of kaolin powder, 13 parts of nanometer titanium dioxide, 15 parts of guar gum, 6 parts of sodium carboxymethyl starch, wooden
3 parts of cellulose, 0.8 part of Kathon CG.
A kind of preparation method of modified irony lake mud building materials, comprising the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents are added, 75r/min is stirred
2.5min is mixed, 1.5h is stood, is packed into rotary kiln after supernatant is discharged, through 570 DEG C of calcining 9.5h, irony lake mud calcined blocks are made.
Kaolin is packed into rotary kiln, through 225 DEG C of calcining 4h, is made kaolin calcined piece；
(2) it refines: respectively crushing above-mentioned irony lake mud calcined blocks, kaolin calcined piece through pulverizer, cross 200 meshes
Irony lake mud powder and kaolin powder is made in net；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection
Active powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, changes needed for being made
Property irony lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic by above-mentioned parts by weight
Methyl starch sodium, lignocellulosic, Kathon CG are put into blender, and 65r/min stirs 17min, and mixed-powder is the present invention one
The modified irony lake mud building materials of kind, being watered to stir evenly by 1:1 before construction can be used.
Embodiment 4
A kind of modified irony lake mud building materials, the component including following parts by weight: the component including following parts by weight: change
It is 45 parts of property irony lake mud powder, 15 parts of kaolin powder, 20 parts of nanometer titanium dioxide, 7 parts of guar gum, 12 parts of sodium carboxymethyl starch, wooden
1.5 parts of cellulose, 1.2 parts of Kathon CG.
A kind of preparation method of modified irony lake mud building materials, comprising the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents are added, 80r/min is stirred
2.5min is mixed, 2h is stood, is packed into rotary kiln after supernatant is discharged, through 575 DEG C of calcining 10h, irony lake mud calcined blocks are made.It will be high
Ridge soil is packed into rotary kiln and is made kaolin calcined piece through 235 DEG C of calcining 4.5h；
(2) it refines: respectively crushing above-mentioned irony lake mud calcined blocks, kaolin calcined piece through pulverizer, cross 250 meshes
Irony lake mud powder and kaolin powder is made in net；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection
Active powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, changes needed for being made
Property irony lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic by above-mentioned parts by weight
Methyl starch sodium, lignocellulosic, Kathon CG are put into blender, and 70r/min stirs 19min, and mixed-powder is the present invention one
The modified irony lake mud building materials of kind, being watered to stir evenly by 1:1.05 before construction can be used.
Embodiment 5
A kind of modified irony lake mud building materials, the component including following parts by weight: modified 35 parts of irony lake mud powder, kaolin
23 parts of powder, 18 parts of nanometer titanium dioxide, 12 parts of guar gum, 9 parts of sodium carboxymethyl starch, 2 parts of lignocellulosic, 1 part of Kathon CG.
A kind of preparation method of modified irony lake mud building materials, comprising the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents, 100r/min is added
3min is stirred, 2h is stood, is packed into rotary kiln after supernatant is discharged, through 580 DEG C of calcining 10h, irony lake mud calcined blocks are made.It will be high
Ridge soil is packed into rotary kiln and is made kaolin calcined piece through 250 DEG C of calcining 5h；
(2) it refines: respectively crushing above-mentioned irony lake mud calcined blocks, kaolin calcined piece through pulverizer, cross 300 meshes
Irony lake mud powder and kaolin powder is made in net；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection
Active powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, changes needed for being made
Property irony lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxylic by above-mentioned parts by weight
Methyl starch sodium, lignocellulosic, Kathon CG are put into blender, and 80r/min stirs 20min, and mixed-powder is the present invention one
The modified irony lake mud building materials of kind, being watered to stir evenly by 1:1.1 before construction can be used.
Separately below by modified irony lake mud building materials made of above-mentioned 5 kinds of embodiments, carry out except aldehyde and purification and cracking
With the comparative test of picking, test as follows:
One, absorption and decomposing formaldehyde comparative test:
Buying certain preferable brand of two sales volume from the large-scale building materials market in Nanning City has the diatom for removing aldehyde ordor removing function
Mud building materials, respectively as the control group 1,2 of this comparative test.Embodiment group is corresponding to be changed using made from above-described embodiment 1-5
Property irony lake mud building materials.7 pieces of 45 × 45cm glass plates are taken, above-mentioned 7 kinds of building materials are applied to gypsum respectively by respective construction technology
It is dry rear for 24 hours spare under identical environment on two faces of plate.7 same model methylene oxide detecting instruments are put into 7 50 × 50 at random
In the closed glass container of × 50cm with lid and air inlet, it is respectively put into the glass plate of attachment building materials coating and sealing, is passed through
Formaldehyde gas makes methylene oxide detecting instrument display density reach preset value 1.0mg/m3, and under identical natural lighting, when counting each
Between section formaldehyde numerical value, repeat to be passed through formaldehyde daily and reach preset value, record 20d be passed through formaldehyde gas for 24 hours after final numerical value,
As a result as shown in table 1 below.
The absorption of a kind of modified irony lake mud building materials of 1 present invention of table and control group and decomposing formaldehyde comparative test data are (single
Position mg/m3)
It was found from the data of table 1: each stage gap in 2h of control group and embodiment group is simultaneously little, and for 24 hours after
Control group 1,2 and the average value of embodiment group are respectively 0.128 mg/m3、0.11 mg/m3、0.075 mg/m3, control group is obvious
Higher than embodiment group, it was demonstrated that two groups of control groups and a kind of five groups of implementations of modified irony lake mud building materials of the present invention using diatom ooze
Example group PARA FORMALDEHYDE PRILLS(91,95) all has good suction-operated, and the absorption property of building materials of the present invention is better than control group；Accumulative test 20d
Control group 1,2 and the average value of embodiment group are respectively 0.276 mg/m afterwards3、0.159 mg/m3、0.097 mg/m3, it was demonstrated that this
It invents a kind of modified mineral black mud building materials and control group using diatom ooze is better than for the decomposition of formaldehyde, detergent power, and it is right
According to group because capacity of decomposition is poor, its decomposability has been gradually reduced after the accumulative test of 20d.
Two, cracking and picking comparative test:
7 pieces of 50 × 50cm drying plaster boards are taken, every piece of weight is recorded, by respective construction technology respectively by above-mentioned 7 kinds of building materials
It is applied on a face of plasterboard, it is dry rear for 24 hours spare under identical environment.The plasterboard of 7 pieces of adhering coatings is placed in 50 DEG C
2 weeks in vaccum dewatering box, cooled to room temperature after taking-up weighs the plasterboard weight for being attached with building materials coating, subtracts former stone
Cream plate weight both obtains coating weight.Coating surface cracking length is recorded, and flat in coating surface with 10kg pressure with bulb wooden stick
Row 5 30cm long scratches of manufacture, collect and weigh the weight for the building materials that fall off, the weight ratio shared by building materials that falls off is calculated, as a result
As shown in table 2 below.
The cracking and picking comparative test data of a kind of modified irony lake mud building materials of 2 present invention of table and control group
It was found from the data of table 2: the cracking length of control group 1 and control group 2 is respectively 5.3cm, 7.8cm, and fall off accounting
Respectively 3.23% and 6.75%, and the average value of the cracking length of embodiment group and the accounting that falls off is respectively 0.46cm, 0.06%,
Prove that a kind of modified irony lake mud building materials of the present invention compare diatom ooze, the performance with better crack resistence, anti-picking.
Claims (3)
1. a kind of modified irony lake mud building materials, it is characterised in that: the component including following parts by weight: modified irony lake mud powder
20-55 parts, 12-30 parts of kaolin powder, 10-25 parts of nanometer titanium dioxide, 5-20 parts of guar gum, 5-15 parts of sodium carboxymethyl starch, wood
1-5 parts of matter cellulose, 0.5-1.5 parts of Kathon CG;
The modification irony lake mud building materials, preparation method includes the following steps:
(1) it calcines: irony lake mud slurries is fitted into blender, 2 parts by weight PAS inorganic flocculating agents are added, 50-100r/min is stirred
2-3min is mixed, 1.5-2h is stood, is packed into rotary kiln after supernatant is discharged, through 560-580 DEG C of calcining 9-10h, irony lake mud is made
Calcined blocks；Kaolin is packed into rotary kiln, through 200-250 DEG C of calcining 3-5h, is made kaolin calcined piece；
(2) it refines: respectively crushing above-mentioned irony lake mud calcined blocks, kaolin calcined piece through pulverizer, cross 100-300 mesh
Irony lake mud powder and kaolin powder is made in net；
(3) modified: by irony lake mud powder, HK-560 silane coupling agent, PEG-8 dimeticone water solubility siloxanes and injection activity
Powdered carbon is packed into rotary kiln by weight 100:1:2:0.5, and 550 DEG C of heat preservation 2h carry out revolution heat modification, Modified Iron needed for being made
Matter lake mud powder；
(4) preparation: will modified irony lake mud powder, kaolin powder, nanometer titanium dioxide, guar gum, carboxymethyl by above-mentioned parts by weight
Sodium starch, lignocellulosic, Kathon CG are put into blender, and 50-80r/min stirs 15-20min, and mixed-powder is Modified Iron
Matter lake mud building materials, detection qualification can be vacuum-packed, be put in storage.
2. a kind of modified irony lake mud building materials according to claim 1, it is characterised in that: the group including following parts by weight
Point: modified 22-45 parts of irony lake mud powder, 15-28 parts of kaolin powder, 13-20 parts of nanometer titanium dioxide, 7-15 parts of guar gum, carboxylic first
6-12 parts of base sodium starch, 1.5-3 parts of lignocellulosic, 0.8-1.2 parts of Kathon CG.
3. a kind of modified irony lake mud building materials according to claim 1, it is characterised in that: the group including following parts by weight
Point: modified 35 parts of irony lake mud powder, 23 parts of kaolin powder, 18 parts of nanometer titanium dioxide, 12 parts of guar gum, 9 parts of sodium carboxymethyl starch,
2 parts of lignocellulosic, 1 part of Kathon CG.
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| CN103396095A (en) * | 2013-07-30 | 2013-11-20 | 江苏宝能建筑材料有限公司 | Lake sludge brick-making technology |
| CN104310852A (en) * | 2014-10-11 | 2015-01-28 | 殷利民 | Novel diatom ooze material and construction process thereof |
| CN105565705A (en) * | 2016-01-18 | 2016-05-11 | 福州比美特环保产品有限公司 | Environment-friendly multifunctional diatom ooze and preparation method thereof |
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|---|---|---|---|---|
| CN103396095A (en) * | 2013-07-30 | 2013-11-20 | 江苏宝能建筑材料有限公司 | Lake sludge brick-making technology |
| CN104310852A (en) * | 2014-10-11 | 2015-01-28 | 殷利民 | Novel diatom ooze material and construction process thereof |
| CN105565705A (en) * | 2016-01-18 | 2016-05-11 | 福州比美特环保产品有限公司 | Environment-friendly multifunctional diatom ooze and preparation method thereof |
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