CN106495556B - A kind of modified clayey lake mud building materials and preparation method - Google Patents

A kind of modified clayey lake mud building materials and preparation method Download PDF

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CN106495556B
CN106495556B CN201610934353.8A CN201610934353A CN106495556B CN 106495556 B CN106495556 B CN 106495556B CN 201610934353 A CN201610934353 A CN 201610934353A CN 106495556 B CN106495556 B CN 106495556B
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clayey
powder
building materials
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CN106495556A (en
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梁剑斌
郑荣莹
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Shi Xianzeng
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Shi Xianzeng
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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
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06Acrylates
    • 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
    • C04B2111/00017Aspects relating to the protection of the environment
    • 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
    • C04B2111/00025Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
    • 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
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0081Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
    • C04B2111/00827Photocatalysts
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    • 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
    • C04B2111/20Resistance against chemical, physical or biological attack
    • 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
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • 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

Abstract

The invention discloses a kind of modified clayey lake mud building materials and preparation methods, belong to building materials technology field.Building materials of the present invention include following components: distilled water, modified clayey lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum powder, modified acrylate emulsion, medical stone powder, hydroxyethylmethylcellulose, pigment, nano TiO 2 modified chitosan anti-bacteria mould inhibitor.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 it is at low cost, do not crack, do not lose powder, antibacterial and mouldproof, easily reparation.

Description

A kind of modified clayey lake mud building materials and preparation method
Technical field
The invention belongs to building materials technology fields, more particularly to a kind of modified clayey 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 The demand that decorations indoor wall has been unable to meet people is decorated toward the collocation for commonly using powder of lacquer putty for use on, emulsion paint, starts wind again in recent years Diatom ooze coating is wasted, but its fancy price allows many consumers to hope and draw back.The pernicious gases such as formaldehyde releases after house decoration It lengthens up to several weeks even many decades, has seriously affected the life and health of people.Market is common at present has odorless emulsion paint, except aldehyde cream The building materials such as shellac varnish, diatom ooze, ordor removing, except aldehyde mainly rely on itself reduce or without using glue containing formaldehyde, physical absorption and The methods of chemical breakdown.It itself reduces or only can guarantee self-pollution in safe range, and to room without using containing formaldehyde components The formaldehyde of interior other furniture release is then without substantive catharsis;Physical absorption can not effectively decomposing formaldehyde, and adsorption saturation After be most likely to produce secondary pollution;Chemical breakdown then passes through consumption autacoid reaction except aldehyde, when effective component runs out of Quan Hou cannot achieve for a long time except aldehyde effect.
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, and achievees the purpose that purify air.But by being sprayed on diatom ooze construction surface Mode of loading loads to nanometer titanium dioxide titanium solution (photocatalyst) in the micropore on diatom ooze surface layer, and this mode is easy because of construction It is improper and run counter to desire.The amount for spraying photocatalyst excessively then easily blocks adsorption hole and reduces adsorption capacity, sprays the amount of photocatalyst It is too short and ineffective to spend few then protection period;Selection silicon is mentioned in " a kind of no glue diatom ooze building materials " disclosed in CN102633475B These porous and tools of diatomaceous earth, kaolin, bentonite, atlapulgite, medical stone powder, quartz sand, sepiolite and Concave-convex clay rod There is the natural material of adsorption capacity, as decoration building materials or production plate after rational proportion, since chemical glue need not be used Glutinous agent, bonds forming with the feature of above-mentioned natural material entirely, is better able to keep the porous structure of above-mentioned natural material to have suction Attached, moisture pick-up properties can eliminate indoor pollution, adjust indoor humidity, eliminate peculiar smell, insulating noise, and coating surface sense of texture is strong, prevents The fire-retardant effect of fire.Binder is not used suitably due to using above-mentioned many ore pulvis, is easily dehydrated into after its drying, weathering Bond effect is easily lost with wall for hardened coating, the problems such as coating cracking, fall off, lose powder easily occurs, and there are dust etc. two Secondary pollution.And above-mentioned patent only used diatomite, sepiolite with adsorption function, and be not used with catalysis, decompose function The material of energy, so coating becomes potential pollutant after its adsorption saturation.And its fancy price enables many disappear Fei Zhewang and draw back, eventually lead to it and fail 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, provide a kind of modified clayey lake mud building materials and Preparation method.Building materials of the present invention are formed by the material science compatibility of green, environmental protection, and building materials inherently safe, stabilization, nontoxic, nothing are waved Hair 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 Skin texture, sound-insulating, eliminate peculiar smell, fire protection flame retarding, and building materials of the present invention also have it is at low cost, do not crack, do not lose powder, antibacterial The features such as mould proof, easy reparation.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of modified clayey lake mud building materials, the component including following parts by weight: 30-50 parts of distilled water, modified clay 10-45 parts of matter lake mud powder, 5-12 parts of modified mineral water-holding thickening agent, 4-15 parts of hydrophilic nano titanium dioxide, 1-12 parts of photocatalyst, 0.5-5 parts of talcum powder, 1-5 parts of modified acrylate emulsion, 0.5-3 parts of medical stone powder, 0.5-3 parts of hydroxyethylmethylcellulose, 0.1-3 parts of pigment, 1-3 parts of nano TiO 2 modified chitosan anti-bacteria mould inhibitor.
Further, above-mentioned a kind of modified clayey lake mud building materials, the component including following parts by weight: distilled water 40- 45 parts, modified 24-30 parts of clayey lake mud powder, 6-10 parts of modified mineral water-holding thickening agent, 5-12 parts of hydrophilic nano titanium dioxide, 4-8 parts of photocatalyst, 1-3 parts of talcum powder, 1.5-3 parts of modified acrylate emulsion, 1-2 parts of medical stone powder, hydroxyethyl methyl fiber 1-1.5 parts plain, 0.3-1 parts of pigment, 1.5-2 parts of nano TiO 2 modified chitosan anti-bacteria mould inhibitor.
Further, above-mentioned a kind of modified clayey lake mud building materials, the component including following parts by weight: distilled water 42 Part, modified 26 parts of clayey lake mud powder, 8 parts of modified mineral water-holding thickening agent, 10 parts of hydrophilic nano titanium dioxide, 5 parts of photocatalyst, 2 parts of talcum powder, 2 parts of modified acrylate emulsion, 1.5 parts of medical stone powder, 1.2 parts of hydroxyethylmethylcellulose, 0.5 part of pigment, 1.8 parts of nano TiO 2 modified chitosan anti-bacteria mould inhibitor.
Further, above-mentioned a kind of modified clayey lake mud building materials, the modified clayey lake mud powder, red stone-type titanium white Powder, talcum powder and the preferred 150-700 mesh granularity of medical stone powder.
A kind of preparation method of modified clayey lake mud building materials of the present invention, comprising the following steps: be packed into clayey lake mud In blender, 4 parts by weight PAS inorganic flocculating agents are added, 120-180r/min stirs 40-50s, 45-50min is stood, in discharge It is packed into rotary kiln after clear liquid, is calcined 7 hours through 510 DEG C -540 DEG C, 150-700 mesh screen is crushed and crossed after sintering, obtains drying Clayey lake mud powder;Dry clay matter lake mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes are pressed Weight ratio 100:0.9:1.1 is packed into rotary kiln, and 550 DEG C of heat preservation 2h carry out revolution heat modification, modified clayey lake needed for being made Mud powder;Will by above-mentioned parts by weight will modified clayey lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, Light touching, talcum powder, medical stone powder, hydroxyethylmethylcellulose, pigment, the loading of nano TiO 2 modified chitosan anti-bacteria mould inhibitor are stirred Machine is mixed, 60-70r/min stirs 25min, is uniformly mixed each its;Above-mentioned parts by weight distilled water and modification acrylate is added Lotion, 20r/min stir 4h, cross 150-700 mesh screen, both the modified clayey lake mud building materials.
Component needed for a kind of modified clayey 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 clayey lake mud: modified clayey lake mud: refer to the clay formed in lake sediment by the effect of joining Clayey lake mud powder is made through dehydration, low temperature calcination, pulverizing process in matter mud, and molecular structure has larger hole, with diatom Soil has like configurations, equally all has preferable absorption, catharsis to room air pollution.With silane coupling agent HK-792 Heat modification is turned round with PEG-8 dimeticone water solubility siloxanes, modified clayey lake mud powder is made, it is modified that it is made Product have elasticity, enhance its flexibility, reduce its constriction coefficient, change its dry after-hardening, crack, become fragile, losing powder it is intrinsic Defect.
Modified mineral water-holding thickening agent: it is made of natural minerals by modified, compounding, essential mineral has bentonite, height The mineral such as ridge soil pass through couplant modification, have certain water-keeping thickening effect, can not only be used for filler material, and can enhance it Plasticity, caking property and water-retaining property are of great significance to crack resistence, anti-picking.
Hydrophilic nano titanium dioxide: the product have very high chemical stability, thermal stability, nontoxicity, it is not soluble in water, Organic acid and weak inorganic acid dissolve in sulfuric acid, alkali and hydrofluoric acid etc..Its partial size, granularity, specific surface area and shape, can artificially into Row regulation;Through special surface-coating technique, product has good dispersibility, ageing resistance, scrub resistance, weatherability and excellent Different uv-shielding capacity, surface nature are hydrophily, can improve ageing resistance, resistance to chalking, weatherability and the production of product The intensity of product, while the color gloss of product is kept, extend the validity period of product;Under light action, hydrophilic nano titanium dioxide Continuous redox reaction can occur, there is photochemical activity, be the organic compounds sensitized catalyst such as formaldehyde.
Photocatalyst: English name Photocatalyst, be it is a kind of using Nano titanium dioxide be representative have photocatalysis function The general name of the photosemiconductor material of energy has nontoxic, tasteless and nonirritant, heat-staple characteristic, under the action of ultraviolet light, Generate strong catalytic degradation function.Can effectively be degraded toxic and harmful gas in air, can effectively kill various bacteria, and can will The toxin that bacterium or fungi release decomposes and harmless treatment, while being also equipped with except formaldehyde, deodorization, anti-pollution, purification air etc. Function plays a significant role the decomposing formaldehyde of building materials of the present invention, deodorization ordor removing function.
Talcum powder: English name PULVISTALCI, for white or off-white color, fine, without grittiness powder, hand touches with greasy Sense, it is nontoxic, odorless, tasteless, there is lubricity, anti-stick to help stream, fire resistance, acid-resisting, insulating properties, fusing point height, not live chemically The excellent Wuli-Shili-Renli system approach such as bold and vigorous, covering power good, softness, good luster, strong adsorption force.In mineral lake mud building materials of the present invention Middle addition talcum powder has and improves finish, enhancing feel and antibacterial and other effects.
Modified acrylate emulsion: with acrylic acid or esters of acrylic acid for main Material synthesis, stablize with excellent light Property and weatherability, good water-fast, alkaline-resisting, chemical resistance and adhesive property, thus be widely used as adhesive, building materials at Film and daily-use chemical industry, electrochmical power source, functional membrane, medical high polymer, nano material and water process etc..By organic Acrylate emulsion modified with organosiloxane the advantages of both can integrating, improves propylene acid esters lotion " heat sticks cold short ", weather-proof, water-fast etc. Performance greatly improves clayey lake mud building materials of the present invention to avoid influence of the variation because of amblent air temperature to bond effect Stability.
Medical stone powder: English name maifanstone is a kind of natural silicate mineral, is a kind of half igneous of neutral alkali Rock, close to volcanic rock, microscopic structure be it is spongy porous, have extremely strong adsorption capacity, it is net to can be used for water quality Change, sewage treatment, and there is very strong suction-operated to bacterium, the function such as the absorption, purification, degerming of building materials of the present invention can be improved Can, have with modified clayey lake mud powder, hydrophilic nano titanium dioxide, talcum powder and nano TiO 2 modified chitosan anti-bacteria mould inhibitor There is synergistic effect.
Hydroxyethylmethylcellulose: English name methyl 2-hydroxyethyl cellulose, is in methylcellulose (MC) it introduces ethylene oxide substituent group (MS0.3 ~ 0.4) in be made, salt tolerance is better than unmodified polymer, the gel temperature of HEMC Degree is also compared with MC high.Hydroxyethylmethylcellulose has very high stability, and there is no pollutions for itself.It can draw after addition through stirring Enter a large amount of micro-bubbles, these bubbles can be improved the workability of construction in later period and improve internal structure gas porosity, and clay can be improved Matter lake mud enhances viscosity, toughness and the water-retaining property of building materials of the present invention to the adsorption capacity and adjusting air humidity of pernicious gas, right Crack resistence, anti-picking are of great significance.
Nano TiO 2 modified chitosan anti-bacteria mould inhibitor: wherein nano TiO 2 as a kind of photo-catalytic sterilization, except the reason of aldehyde Think material, is widely used in cosmetics, antibacterial except fields such as aldehyde coating.Chitosan belongs to the natural antibacterial agent having no toxic side effect, tool There are good biocompatibility, degradability, reproducibility.The novel antibacterial of preparation is modified to chitosan with nano TiO 2 Nano TiO 2 modified chitosan anti-bacteria mould inhibitor not only improves the antimildew and antibacterial ability of building materials of the present invention, but also under light illumination also With photocatalytic activity, there is synergistic effect with photocatalyst.
In conclusion due to the adoption of the above technical scheme, a kind of beneficial effect of modified clayey lake mud building materials of the present invention It is:
1. making wall decorative paint using modified clayey lake mud building materials, lake mud deposition can not only be alleviated, water storage is reduced, The environmental problems such as the miscellaneous life of water plant, water hypoxia also can be reduced the exploitation of the mineral products such as diatomite, mitigate the destruction of ecology, Er Qiexiang Compared with the cost that diatomite can reduce by 1/4.By low temperature calcination clayey lake mud, it can effectively drive away fugitive constituent and the combination of mineral Water, activatable structural enhance the adsorption capacity of molecular surface hole.By with silane coupling agent HK-792 and PEG-8 dimeticone The revolution heat modification of water-soluble siloxanes makes its manufactured goods have elasticity, hardens after change clay and drying, crack, become fragile, falling The inherent shortcoming of powder.It is mould proof to add hydrophilic nano titanium dioxide, photocatalyst, medical stone powder and nano TiO 2 modified chitosan anti-bacteria Agent can enhance decomposition, the detergent power of the pernicious gases such as PARA FORMALDEHYDE PRILLS(91,95), benzene, and the adsorption saturation for solving modified clayey lake mud powder is asked Topic.Add modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, talcum powder, modified acrylate emulsion and ethoxy first Base cellulose acts not only as filler material and reduces cost, and caking property, water-retaining property specific to each component, stability obtain To synergistic effect, thoroughly solves the problems, such as to crack, lose powder, fall off.Nano TiO 2 modified chitosan anti-bacteria mould inhibitor is not The function of nano TiO 2 decomposing formaldehyde is only remained, effect also mould proof with chitosan anti-bacteria increases in the collaboration of medical stone powder Under effect, antiseptic and mildew resistant ability is enhanced.
2. a kind of modified clayey lake mud building materials of the present invention are formed by the material science compatibility of green, environmental protection, building materials itself Safe and stable, nontoxic, non-volatility pernicious gas.It can not only adsorb, the pernicious gases such as purifying formaldehyde, benzene, moreover it is possible to regulation room Interior humidity, sound-insulating, eliminates peculiar smell, fire protection flame retarding at enhancing coating wall surface skin texture, and building materials of the present invention also have cost It is low, do not crack, do not lose powder, antibacterial and mouldproof, easily repair the features such as.
Specific embodiment
The present invention is further described combined with specific embodiments below.
Embodiment 1
A kind of modified clayey lake mud building materials, the component including following parts by weight: 30 parts of distilled water, modified clayey lake 45 parts of mud powder, 15 parts of hydrophilic nano titanium dioxide, 1 part of photocatalyst, 5 parts of talcum powder, is modified 5 parts of modified mineral water-holding thickening agent 1 part of acrylic acid ester emulsion, 3 parts of medical stone powder, 0.5 part of hydroxyethylmethylcellulose, 3 parts of pigment, nano TiO 2 modification of chitosan 1 part of antibacterial mildew inhibitor.
A kind of preparation method of modified clayey lake mud building materials, comprising the following steps: clayey lake mud is packed into blender In, 4 parts by weight PAS inorganic flocculating agents are added, 120r/min stirs 50s, stands 45min, it is packed into rotary kiln after supernatant is discharged, It is calcined 7 hours through 540 DEG C, 700 mesh screens is crushed and crossed after sintering, obtain dry clay matter lake mud powder;By dry clay matter lake Mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes are packed into rotary kiln by weight 100:0.9:1.1, 550 DEG C of heat preservation 2h, carry out revolution heat modification, modified clayey lake mud powder needed for being made;It will be modified viscous by above-mentioned parts by weight Soil property lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum powder, medical stone powder, ethoxy Methylcellulose, pigment, nano TiO 2 modified chitosan anti-bacteria mould inhibitor are packed into blender, and 60r/min stirs 25min, make each It is uniformly mixed;Above-mentioned parts by weight distilled water and modified acrylate emulsion is added, 20r/min stirs 4h, crosses 700 meshes Net, both the modified clayey lake mud building materials.
Embodiment 2
A kind of modified clayey lake mud building materials, the component including following parts by weight: 50 parts of distilled water, modified clayey lake 10 parts of mud powder, 4 parts of hydrophilic nano titanium dioxide, 12 parts of photocatalyst, 0.5 part of talcum powder, changes 12 parts of modified mineral water-holding thickening agent Property 5 parts of acrylic acid ester emulsion, 0.5 part of medical stone powder, 3 parts of hydroxyethylmethylcellulose, 0.1 part of pigment, the modified shell of nano TiO 2 3 parts of glycan antibacterial mildew inhibitor.
A kind of preparation method of modified clayey lake mud building materials, comprising the following steps: clayey lake mud is packed into blender In, 4 parts by weight PAS inorganic flocculating agents are added, 180r/min stirs 40s, stands 50min, is packed into revolution after supernatant is discharged Kiln is calcined 7 hours through 510 DEG C, and 150 mesh screens are crushed and crossed after sintering, obtain dry clay matter lake mud powder;By dry clay matter Lake mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes are packed by weight 100:0.9:1.1 and turn round Kiln, 550 DEG C of heat preservation 2h, carries out revolution heat modification, modified clayey lake mud powder needed for being made;It will be modified by above-mentioned parts by weight Clayey lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum powder, medical stone powder, hydroxyl second Ylmethyl cellulose, pigment, nano TiO 2 modified chitosan anti-bacteria mould inhibitor are packed into blender, and 70r/min stirs 25min, makes Each its is uniformly mixed;Above-mentioned parts by weight distilled water and modified acrylate emulsion is added, 20r/min stirs 4h, crosses 150 mesh Sieve, both the modified clayey lake mud building materials.
Embodiment 3
A kind of modified clayey lake mud building materials, the component including following parts by weight: 45 parts of distilled water, modified clayey lake 24 parts of mud powder, 5 parts of hydrophilic nano titanium dioxide, 8 parts of photocatalyst, 1 part of talcum powder, is modified 10 parts of modified mineral water-holding thickening agent The modified shell of 3 parts of acrylic acid ester emulsion, 1 part of medical stone powder, 1.5 parts of hydroxyethylmethylcellulose, 0.3 part of pigment, nano TiO 2 is poly- 2 parts of sugared antibacterial mildew inhibitor.
A kind of preparation method of modified clayey lake mud building materials, comprising the following steps: clayey lake mud is packed into blender In, 4 parts by weight PAS inorganic flocculating agents are added, 130r/min stirs 48s, stands 46min, it is packed into rotary kiln after supernatant is discharged, It is calcined 7 hours through 530 DEG C, 500 mesh screens is crushed and crossed after sintering, obtain dry clay matter lake mud powder;By dry clay matter lake Mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes are packed into rotary kiln by weight 100:0.9:1.1, 550 DEG C of heat preservation 2h, carry out revolution heat modification, modified clayey lake mud powder needed for being made;It will be modified viscous by above-mentioned parts by weight Soil property lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum powder, medical stone powder, ethoxy Methylcellulose, pigment, nano TiO 2 modified chitosan anti-bacteria mould inhibitor are packed into blender, and 65r/min stirs 25min, make each It is uniformly mixed;Above-mentioned parts by weight distilled water and modified acrylate emulsion is added, 20r/min stirs 4h, crosses 500 meshes Net, both the modified clayey lake mud building materials.
Embodiment 4
A kind of modified clayey lake mud building materials, the component including following parts by weight: 40 parts of distilled water, modified clayey lake 30 parts of mud powder, 12 parts of hydrophilic nano titanium dioxide, 4 parts of photocatalyst, 3 parts of talcum powder, is modified 6 parts of modified mineral water-holding thickening agent 1.5 parts of acrylic acid ester emulsion, 2 parts of medical stone powder, 1 part of hydroxyethylmethylcellulose, 1 part of pigment, nano TiO 2 modification of chitosan 1.5 parts of antibacterial mildew inhibitor.
A kind of preparation method of modified clayey lake mud building materials, comprising the following steps: clayey lake mud is packed into blender In, 4 parts by weight PAS inorganic flocculating agents are added, 160r/min stirs 43s, stands 48min, it is packed into rotary kiln after supernatant is discharged, It is calcined 7 hours through 520 DEG C, 300 mesh screens is crushed and crossed after sintering, obtain dry clay matter lake mud powder;By dry clay matter lake Mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes are packed into rotary kiln by weight 100:0.9:1.1, 550 DEG C of heat preservation 2h, carry out revolution heat modification, modified clayey lake mud powder needed for being made;It will be modified viscous by above-mentioned parts by weight Soil property lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum powder, medical stone powder, ethoxy Methylcellulose, pigment, nano TiO 2 modified chitosan anti-bacteria mould inhibitor are packed into blender, and 65r/min stirs 25min, make each It is uniformly mixed;Above-mentioned parts by weight distilled water and modified acrylate emulsion is added, 20r/min stirs 4h, crosses 300 meshes Net, both the modified clayey lake mud building materials.
Embodiment 5
A kind of modified clayey lake mud building materials, it is characterised in that: the component including following parts by weight: 42 parts of distilled water, Modified 26 parts of clayey lake mud powder, 10 parts of hydrophilic nano titanium dioxide, 5 parts of photocatalyst, is slided 8 parts of modified mineral water-holding thickening agent 2 parts of mountain flour, 1.5 parts of medical stone powder, 1.2 parts of hydroxyethylmethylcellulose, 0.5 part of pigment, is received 2 parts of modified acrylate emulsion 1.8 parts of mould inhibitor of TiO2 modified chitosan anti-bacteria of rice.
A kind of preparation method of modified clayey lake mud building materials, comprising the following steps: clayey lake mud is packed into blender In, 4 parts by weight PAS inorganic flocculating agents are added, 150r/min stirs 45s, stands 48min, it is packed into rotary kiln after supernatant is discharged, It is calcined 7 hours through 525 DEG C, 400 mesh screens is crushed and crossed after sintering, obtain dry clay matter lake mud powder;By dry clay matter lake Mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes are packed into rotary kiln by weight 100:0.9:1.1, 550 DEG C of heat preservation 2h, carry out revolution heat modification, modified clayey lake mud powder needed for being made;It will be modified viscous by above-mentioned parts by weight Soil property lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum powder, medical stone powder, ethoxy Methylcellulose, pigment, nano TiO 2 modified chitosan anti-bacteria mould inhibitor are packed into blender, and 65r/min stirs 25min, make each It is uniformly mixed;Above-mentioned parts by weight distilled water and modified acrylate emulsion is added, 20r/min stirs 4h, crosses 400 meshes Net, both the modified clayey lake mud building materials.
Separately below by a kind of modified clayey lake mud building materials made of above-mentioned 5 kinds of embodiments, carry out except aldehyde and purification with And the comparative test of cracking and picking, it tests 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 has the diatom ooze for removing aldehyde ordor removing function Building materials, respectively as the control group 1,2 of this comparative test.Embodiment group is corresponding using modified made from above-described embodiment 1-5 Clayey 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 and decomposing formaldehyde comparative test data of 1 present invention of table a kind of modified clayey lake mud building materials and control group (unit 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 0.12 mg/m3、0.105 mg/m3、0.075mg/m3, it was demonstrated that use silicon The two groups of control groups and a kind of five groups of embodiment group PARA FORMALDEHYDE PRILLS(91,95)s of modified clay lake mud building materials of the present invention of algal gel all have well Suction-operated, and the absorption property of building materials of the present invention is better than control group;Control group 1,2 and embodiment group after accumulative test 20d Average value be respectively 0.759 mg/m3、0.122mg/m3、0.098 mg/m3, it was demonstrated that a kind of modified mineral black mud of the present invention is built Material is better than the decomposition of formaldehyde, detergent power the control group using diatom ooze, and control group 1 is passed through because capacity of decomposition is poor Its decomposability is gradually lost 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 500h in vacuum drying box, cooled to room temperature after taking-up weigh the plasterboard weight for being attached with building materials coating, subtract 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 clayey lake mud building materials of 2 present invention of table and control group
It was found from the data of table 2: control group 1 crack length reach 15.7cm, the accounting that falls off 6.73%, it was demonstrated that coating water conservation Property, adhesiveness are poor, easily dry, crack, falling off.Control group 2 cracks length and the accounting that falls off is respectively 4.6cm and 2.65%, far Higher than the 0.22cm of embodiment cell mean and 0.04%, it was demonstrated that a kind of modified clayey lake mud building materials of the present invention compare diatom ooze, Performance with better crack resistence, anti-picking.

Claims (4)

1. a kind of modified clayey lake mud building materials, it is characterised in that: the component including following parts by weight: 30-50 parts of distilled water, Modified 10-45 parts of clayey lake mud powder, 5-12 parts of modified mineral water-holding thickening agent, 4-15 parts of hydrophilic nano titanium dioxide, light touching 1-12 parts of matchmaker, 0.5-5 parts of talcum powder, 1-5 parts of modified acrylate emulsion, 0.5-3 parts of medical stone powder, hydroxyethylmethylcellulose 0.5-3 parts, 0.1-3 parts of pigment, nano-TiO21-3 parts of modified chitosan anti-bacteria mould inhibitor;
The preparation method of the modified clayey lake mud building materials, comprising the following steps: clayey lake mud is fitted into blender, is added Enter 4 parts by weight PAS inorganic flocculating agents, 120-180r/min stirs 40-50s, stands 45-50min, is packed into after supernatant is discharged Rotary kiln is calcined 7 hours through 510 DEG C -540 DEG C, and 150-700 mesh screen is crushed and crossed after sintering, obtains dry clay matter lake mud Powder;By dry clay matter lake mud powder, silane coupling agent HK-792, PEG-8 dimeticone water solubility siloxanes by weight 100: 0.9:1.1 is packed into rotary kiln, and 550 DEG C of heat preservation 2h carry out revolution heat modification, modified clayey lake mud powder needed for being made;By upper Stating parts by weight will modified clayey lake mud powder, modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide, photocatalyst, talcum Powder, medical stone powder, hydroxyethylmethylcellulose, pigment, nano-TiO2Modified chitosan anti-bacteria mould inhibitor is packed into blender, 60- 70r/min stirs 25min, is uniformly mixed it;Above-mentioned parts by weight distilled water and modified acrylate emulsion, 20r/ is added Min stir 4h, cross 150-700 mesh screen, both the modified clayey lake mud building materials.
2. a kind of modified clayey lake mud building materials according to claim 1, it is characterised in that: the group including following parts by weight Point: 40-45 parts of distilled water, modified 24-30 parts of clayey lake mud powder, 6-10 parts of modified mineral water-holding thickening agent, hydrophilic nano 5-12 parts of titanium dioxide, 4-8 parts of photocatalyst, 1-3 parts of talcum powder, 1.5-3 parts of modified acrylate emulsion, 1-2 parts of medical stone powder, hydroxyl 1-1.5 parts of ethylmethylcellulose, 0.3-1 parts of pigment, nano-TiO21.5-2 parts of modified chitosan anti-bacteria mould inhibitor.
3. a kind of modified clayey lake mud building materials according to claim 1, it is characterised in that: the group including following parts by weight Point: 42 parts of distilled water, modified 26 parts of clayey lake mud powder, 8 parts of modified mineral water-holding thickening agent, hydrophilic nano titanium dioxide 10 Part, 5 parts of photocatalyst, 2 parts of talcum powder, 2 parts of modified acrylate emulsion, 1.5 parts of medical stone powder, hydroxyethylmethylcellulose 1.2 Part, 0.5 part of pigment, nano-TiO21.8 parts of modified chitosan anti-bacteria mould inhibitor.
4. a kind of according to claim 1 or 2 or 3 modified clayey lake mud building materials, it is characterised in that: the modified clayey Lake mud powder, talcum powder and medical stone powder are 150-700 mesh granularity.
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CN107140878A (en) * 2017-07-12 2017-09-08 合肥信亚达智能科技有限公司 Building materials prepared by a kind of utilization lake mud and preparation method thereof
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