CN106242455B - A kind of composite multi-functional sepiolite/diatomite basic ring protects indoor wall material - Google Patents

A kind of composite multi-functional sepiolite/diatomite basic ring protects indoor wall material Download PDF

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CN106242455B
CN106242455B CN201610646679.0A CN201610646679A CN106242455B CN 106242455 B CN106242455 B CN 106242455B CN 201610646679 A CN201610646679 A CN 201610646679A CN 106242455 B CN106242455 B CN 106242455B
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powder
sepiolite
diatomite
tio
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CN106242455A (en
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吉凤英
薛祥吉
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Yancheng City Green Environmental Protection Building Materials Co Ltd
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Yancheng City Green Environmental Protection Building Materials Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/10—Lime cements or magnesium oxide cements
    • C04B28/12—Hydraulic lime
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/023—Fired or melted materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/60—Agents for protection against chemical, physical or biological attack
    • C04B2103/67—Biocides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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Abstract

The invention discloses a kind of composite multi-functional sepiolite/diatomite basic rings to protect indoor wall material, and composite functional material is prepared with the following method：（1）By quality proportioning sepiolite 30 50%, diatomite 30 50%, nano-TiO2Powder 10 15%, nano ZnO powder 10 15% weigh each raw material；（2）By nano-TiO2Powder and nano ZnO powder are added to the water the suspension for being dispersed with stirring into mass concentration 2 4%；（3）Sepiolite and diatomite are added in suspension after being quickly stirred 0.5 1h and filtered；（4）Filtration product after drying, calcines 1 2h at 300 400 DEG C；Filler includes powdered whiting, sierozem power, calcined kaolin and silica sand；Auxiliary agent includes thickener, wood fibre, dispersible rubber powder, thixotropic lubricant and water-reducing agent.The present invention is using dipping calcination method first by nano-TiO2, nano-ZnO be supported on sepiolite, diatomaceous surface, then be stirred with filler, auxiliary agent and the indoor wall material of environmental protection is made, effectively solve nano-TiO2, nano-ZnO the problem of agglomeration is serious in environmentally friendly indoor wall material.

Description

A kind of composite multi-functional sepiolite/diatomite basic ring protects indoor wall material
Technical field
The invention discloses a kind of composite multi-functional sepiolite/diatomite basic rings to protect indoor wall material, belongs to indoor and builds Build field of material technology.
Background technology
With the improvement of people ' s living standards and health environment-friendly consciousness enhancing, indoor living environment quality increasingly by To attention.Indoors during wall surfacing, people select wall material product when other than pay close attention to beautiful decoration, also begin to emphasis material That expects is innoxious and functional, wherein the natural minerals basic ring with multiple functions, which protects indoor wall material, increasingly becomes everybody It is preferred.At present, the function of the indoor wall material of natural minerals basic ring guarantor focuses primarily upon damping, air purification, antibacterial three zones, together When be also accompanied by some other functions, such as：Fire protection flame retarding, insulation, goes to eliminate the unusual smell sound-absorbing and noise-decreasing.
Humidity conditioning function is based primarily upon the strong absorption property of natural porous mineral.Due to natural porous mineral diatomite, zeolite, Sepiolite, attapulgite etc. have flourishing pore passage structure and big specific surface area, can carry out adsorption and desorption work with hydrone With, i.e., can be with moisture absorption, to reduce indoor environment when indoor environment humidity is higher so indoor environment humidity can be automatically adjusted Humidity, can be with moisture releasing, to promote indoor environment humidity when indoor humidity is relatively low.As natural porous mineral humidity adjusting material, silicon Diatomaceous earth and zeolite have three-dimensional pore passage structure, belong to macropore or mesoporous；Attapulgite and sepiolite have one-dimensional fiber knot Structure belongs to mesoporous or micropore.The humidity of single porous mineral is extremely limited, but by by different pore passage structures or difference The porous mineral of aperture size is combined by a certain percentage, and the humidity of obtained combined material significantly improves.In addition it needs It should be noted that since the characteristic of humidity adjusting material makes the relative humidity on its surface generally higher, and moist environment is easily led Cause various bacteriums, mould its surface grow and amount reproduction, in order to avoid this rough sledding, preferably add in humidity adjusting material Add a certain amount of anti-biotic material.
Air-cleaning function is based primarily upon catalysis material nano-TiO2.Nano-TiO2In ultraviolet light or solar irradiation condition The photo-generate electron-hole pair of high activity can be generated down, and light induced electron can be with nano-TiO2The O of particle surface2It is anti-that reduction occurs It should and generate H2O2And active oxygen, photohole and nano-TiO2The H of particle surface2O and hydroxyl occur oxidation reaction and generate hydroxyl Base free radical.H2O2, active oxygen and hydroxyl radical free radical can thoroughly divide the multiple indoors such as formaldehyde, toluene air organic pollutants It solves as CO2And H2The inorganic molecules such as O.In addition, H2O2The cell membrane of bacterium, mould can also be destroyed with active oxygen, is inhibited bacteria Activity, and the endotoxin generated after decomposing bacteria death can also capture the planktonic bacteria killed except in air, so nanometer TiO2Also there are certain antibacterial functions simultaneously.
Antibacterial functions are based primarily upon inorganic antiseptic nano-ZnO.Nano-ZnO can discharge zinc ion, and zinc ion penetrates carefully After birth enters cell interior, is destroyed intracellular protein denaturation and physiological activity, so as to cause cell death.Moreover, After thalline is killed, zinc ion can be contacted and killed again other thalline with separate out, so nano-ZnO has long-acting kill Bacterium ability.In addition, nano-ZnO is also a kind of catalysis material, with above-mentioned nano-TiO2Photocatalysis principle it is identical, in ultraviolet light It is similary that photocatalytic redox reaction, the H of generation occurs or under solar irradiation2O2Bacterium can also be killed with active oxygen, is generated Various active group can also degrade multiple indoor air organic pollutants.
At present, the main preparation methods of the indoor wall material of natural minerals basic ring guarantor are：By natural porous mineral powder, nanometer work( Energy powder, corresponding filler powder and auxiliary agent carry out dry powder and are stirred.Due to the large specific surface area and table of nano-function powder Face free energy is high, it is easy to which secondary agglomeration is into bulky grain, so as to influence the normal performance of its corresponding function.It is stirred in dry powder Process, since stirring dynamics and depth are limited, the dispersion of nano-function powder is relatively difficult, there are a large amount of agglomeration, this Not only reduce the functionality of environmentally friendly indoor wall material, but also the expensive nano-function powder of serious waste.Usually The functional effect reached a certain level generally requires to add in the nano-function powder of excess, leads to product cost significantly Increase.As it can be seen that, there is a nanometer work(in this method being directly added into nano-function powder and dry powder blend is carried out with other components The number of drawbacks such as energy powder reuniting phenomenon is serious, functionality is suppressed, dosage is big, product cost is high.In addition, there are one need It is noted that the phenomenon that be, during environmentally friendly indoor wall material use, due to nano-function powder without and other bulky grain components Firm connection is acted on by the scraping of external force and wind-force, and nano-function powder is easy to split away off, and nano-function powder Particle is superfine to be difficult to settle, and in air, if sucked, human body is interior to generate certain harm to health for floating for a long time.
Invention content
For defect present in above-mentioned dry powder blend stirring means, the present invention provides a kind of composite multi-functional Hai Pao Stone/diatomite basic ring protects indoor wall material, uses dipping calcination method first by nano-TiO2Powder, nano ZnO powder are uniformly, securely Be supported on sepiolite and diatomaceous surface, the ZnO/TiO that then will be obtained2/ sepiolite/diatomite composite material with it is corresponding Filler and auxiliary agent be stirred and be mixed to prepare environmentally friendly indoor wall material, effectively solve nano-TiO2Powder, nano ZnO powder The problem of agglomeration is serious in environmentally friendly indoor wall material.Meanwhile each component selection of the invention has fully considered environmentally friendly interior It mutually coordinated between wall material damping, antibacterial and air-cleaning function and mutually promotes, such as：Sepiolite and diatomaceous combination Improve humidity, nano-TiO2Combination with nano-ZnO improves photocatalysis performance, nano-TiO2, nano-ZnO antibacterial Performance and the antibacterial of sierozem power filler are except mould effect mutual cooperation, sepiolite, diatomaceous strong absorption property and nano-TiO2, receive The mutual cooperation of rice ZnO photocatalytic degradation air organic pollutants functions.
The technical solution adopted by the present invention：A kind of composite multi-functional sepiolite/diatomite basic ring protects indoor wall material, mainly Including composite functional material, filler and auxiliary agent,
The composite functional material is ZnO/TiO2/ sepiolite/diatomite composite material, step of preparation process are：（1）It presses Quality proportioning sepiolite 30-50%, diatomite 30-50%, nano-TiO2Powder 10-15%, nano ZnO powder 10-15% claim respectively Take each raw material for standby；（2）The nano-TiO that will be weighed2Powder and nano ZnO powder are added to the water and are dispersed with stirring, and are configured to matter Measure the suspension of a concentration of 2-4%；（3）The sepiolite weighed and diatomite are added in suspension, are quickly stirred 0.5-1h After be filtered；（4）Filtration product after drying, calcines 1-2h to get to the composite functional material at 300-400 DEG C；
The filler includes powdered whiting, sierozem power, calcined kaolin and silica sand；The auxiliary agent includes thickener, wood Matter fiber, dispersible rubber powder, thixotropic lubricant and water-reducing agent；
The quality proportioning of each component is：Composite functional material 30-50%, powdered whiting 15-25%, sierozem power 10-20%, Calcined kaolin 10-15%, silica sand 5-10%, thickener 1-2%, wood fibre 1-2%, dispersible rubber powder 3-5%, thixotropic lubricant 0.5-1%, water-reducing agent 0.5-1%.
It advanced optimizes, the specific step of preparation process of the composite functional material is：（1）By quality proportioning sepiolite 50%th, diatomite 30%, nano-TiO2Powder 10%, nano ZnO powder 10% weigh each raw material for standby respectively；（2）It is received what is weighed Rice TiO2Powder and nano ZnO powder are added to the water and are dispersed with stirring, and are configured to the suspension that mass concentration is 2%；（3）It will claim The sepiolite and diatomite taken is added in suspension, is filtered after being quickly stirred 1 h；（4）Filtration product after drying, 1 h is calcined at 400 DEG C to get to the composite functional material.
It advanced optimizes, the quality proportioning of each component is specially in the wall material of environmental protection interior：Composite functional material 50%, again Matter calcium carbonate 15%, sierozem power 10%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible rubber powder 5%, Thixotropic lubricant 0.5%, water-reducing agent 0.5%.
Further optimize, the sepiolite is filament fiber structure, and purity is more than 90%, and granularity is 325-500 mesh； The diatomite is diatomite, and purity is more than 90%, and granularity is 325-500 mesh；The nano-TiO2Powder is anatase titanium dioxide, grain It spends for 10-50 nm；The nano ZnO powder granularity is 10-50 nm.
Further optimize, the granularity of the powdered whiting is 500-800 mesh, and whiteness is not less than 90%；The ash calcium The granularity of powder is 500-800 mesh, and whiteness is not less than 90%；The granularity of the calcined kaolin is 800-1250 mesh, and whiteness is not less than 90%；The granularity of the silica sand be 80-200 mesh, SiO2Content is more than 95%.
Further optimize, the thickener is hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose In any one；A diameter of 5-25um of the wood fibre, length 3-6mm；The dispersible rubber powder is ethylene/acetic acid Vinyl ester copolymers or acrylic copolymer；The water-reducing agent is polycarboxylic acids dehydragent；The thixotropic lubricant is polyamide Wax.
Further optimize, during practice of construction, each component of environmental protection interior wall material adds in dispersion by quality proportioning The dry powder being mixed after 1-2h is stirred with 200-500 r/min in machine；It is 1 by the dry powder of mixing and the mass ratio of water:0.8- 1.2 plus water stirring 20-30min, in 1000-1500 r/min, obtained slurry can construct for mixing speed control.
Advantages of the present invention：（1）In calcination method is impregnated, nano-TiO2Powder and nano ZnO powder uniformly divide in water Suspension is dissipated into, the sepiolite and diatomite added in afterwards is in whipping process by nano-TiO2Particle, nano ZnO particles are relatively equal Even absorption makes nano-TiO on its surface, then through calcining2Particle, nano ZnO particles and sepiolite, diatomite surface are further Firm connection during being stirred the indoor wall material of preparation environmental protection in composite functional material and corresponding filler, auxiliary agent, carries High nano-TiO2The dispersibility of powder, nano ZnO powder, makes nano-TiO2, the photocatalytic degradation air that has of nano-ZnO has Machine pollutant and antibacterial functions can give full play to, and avoid and are individually added into nano-TiO2Powder, nano ZnO powder are done Powder be mixed caused by agglomeration it is serious, Function is suppressed, addition is excessive and it is of high cost the problems such as.Separately Outside, not by sepiolite and the nano-TiO of kieselguhr adsorption2Particle, nano ZnO particles enter filtrate in filter process, will filter Liquid evaporation can make this part nano-TiO2Powder, nano ZnO powder are precipitated and realize recycling and recycling, avoid waste valency The nano-function powder of lattice costliness.
（2）Sepiolite, diatomaceous strong absorption property and nano-TiO2, nano-ZnO photocatalysis performance can cooperate, I.e. the air organic pollutants of indoor low concentration are adsorbed onto nano-TiO by diatomite and sepiolite2Particle, nano ZnO particles table Face supplies its photocatalytic degradation, forms absorption-degradation-benign cycle adsorbed again, and can effectively improve degradation room air has The efficiency of machine pollutant.Nano-ZnO/TiO can be partly formed in calcination process2Complex, this nano-ZnO/TiO2Complex Photocatalysis performance significantly improve, hence it is evident that better than single nano-ZnO or nano-TiO2, so as to improve photocatalytic degradation The efficiency of Indoor air organic pollution object and antibacterial.
（3）Diatomite has unique three-dimensional open-framework, belongs to macropore and mesoporous；Sepiolite is one-dimensional filament fiber Structure belongs to mesoporous and micropore.By the combination between diatomite and sepiolite, different pore passage structures and different sizes are realized Combination between hole, obtained composite functional material have stronger humidity.In addition, the calcined kaolin in filler is layer Shape structure and with adsorptivity, so certain humidity can also be showed.
（4）Nano-TiO2, nano-ZnO all have certain antibacterial functions, and the sierozem power in filler also have it is mould proof The effect of antibacterial, so as to kill bacterium, the mould on environmentally friendly indoor wall material surface, and can catch and kill swim in air it is thin Bacterium, effectively prevent bacterium, mould environmentally friendly indoor wall material surface growth and breeding.
（5）Filler can improve intensity, scrub resistance, durability, internal adhesion, plasticity of environmentally friendly indoor wall material etc. Performance, and the cost of product can also be reduced.Auxiliary agent can promote the workability of environmentally friendly chamber interior walls material, and thickener, which has, to be protected It is aqueous, prevent the too fast caused crack phenomenon of environmentally friendly indoor wall material drying；Wood fibre has the function of water guide water conservation, can be with The breaking resistance of environmentally friendly chamber interior walls material is promoted, prevents coating cracking；Water-reducing agent can reduce the use of water in water whipping process is added Amount improves mobility；Dispersible rubber powder can increase the cohesive force between different component.
Specific embodiment
Technical scheme of the present invention and technique effect are described in detail below in conjunction with specific embodiment, but the present invention Range be not restricted to specific examples below.
Various raw materials meet the following conditions used in embodiment 1-9：Sepiolite is filament fiber structure, and purity is more than 90%, granularity is 325-500 mesh；Diatomite is diatomite, and purity is more than 90%, and granularity is 325-500 mesh；Nano-TiO2Powder For anatase titanium dioxide, granularity is 10-50 nm；Nano ZnO powder granularity is 10-50 nm；The granularity of powdered whiting is 500-800 Mesh, whiteness are not less than 90%；The granularity of sierozem power is 500-800 mesh, and whiteness is not less than 90%；The granularity of calcined kaolin is 800- 1250 mesh, whiteness are not less than 90%；The granularity of silica sand be 80-200 mesh, SiO2Content is more than 95%；Thickener is hydroxypropyl methyl Cellulose；A diameter of 5-25um of wood fibre, length 3-6mm；Dispersible rubber powder is ethylene/vinyl acetate copolymer； Water-reducing agent is polycarboxylic acids dehydragent；Thixotropic lubricant is polyamide wax.
The composite functional material that sepiolite content is prepared more than diatomite content is used for embodiment 1-3, specifically prepares work Skill step is：（1）By quality proportioning sepiolite 50%, diatomite 30%, nano-TiO2Powder 10%, nano ZnO powder 10% is distinguished Weigh each raw material for standby；（2）The nano-TiO that will be weighed2Powder and nano ZnO powder are added to the water and are dispersed with stirring, and are configured to Mass concentration is 2% suspension；（3）The sepiolite weighed and diatomite are added in suspension, after being quickly stirred 1 h It is filtered；（4）Filtration product after drying, calcines 1 h to get to the complex function used for embodiment 1-3 at 400 DEG C Material.
Embodiment 1：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 30%th, powdered whiting 25%, sierozem power 15%, calcined kaolin 15%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 250 r/min Mix the dry powder being mixed after 2h；It is 1 by the dry powder of mixing and the mass ratio of water:0.8 plus water 30 min of stirring, mixing speed control In 1000 r/min, obtained slurry can construct system.
Embodiment 2：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 40%th, powdered whiting 20%, sierozem power 15%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 300 r/min Mix the dry powder being mixed after 2h；It is 1 by the dry powder of mixing and the mass ratio of water:1 plus water 25 min of stirring, mixing speed control In 1200 r/min, obtained slurry can construct.
Embodiment 3：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 50%th, powdered whiting 15%, sierozem power 10%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 400 r/min Mix the dry powder being mixed after 1.5 h；It is 1 by the dry powder of mixing and the mass ratio of water:1.2 plus water 20 min of stirring, stirring speed In 1500 r/min, obtained slurry can construct for degree control.
The sepiolite content composite functional material equal with diatomite content is prepared to use for embodiment 4-6, it is specific to prepare Processing step is：（1）By quality proportioning sepiolite 40%, diatomite 40%, nano-TiO2Powder 10%, nano ZnO powder 10% divides Also known as take each raw material for standby；（2）The nano-TiO that will be weighed2Powder and nano ZnO powder are added to the water and are dispersed with stirring, and prepare Into the suspension that mass concentration is 3%；（3）The sepiolite weighed and diatomite are added in suspension, are quickly stirred 1 h After be filtered；（4）Filtration product after drying, calcines 2h to get to the compound work(used for embodiment 4-6 at 300 DEG C It can material.
Embodiment 4：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 30%th, powdered whiting 25%, sierozem power 15%, calcined kaolin 15%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 250 r/min Mix the dry powder being mixed after 2h；It is 1 by the dry powder of mixing and the mass ratio of water:0.8 plus water 30 min of stirring, mixing speed control In 1000 r/min, obtained slurry can construct system.
Embodiment 5：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 40%th, powdered whiting 20%, sierozem power 15%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 300 r/min Mix the dry powder being mixed after 2h；It is 1 by the dry powder of mixing and the mass ratio of water:1 plus water 25 min of stirring, mixing speed control In 1200 r/min, obtained slurry can construct.
Embodiment 6：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 50%th, powdered whiting 15%, sierozem power 10%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 400 r/min Mix the dry powder being mixed after 1.5 h；It is 1 by the dry powder of mixing and the mass ratio of water:1.2 plus water 20 min of stirring, stirring speed In 1500 r/min, obtained slurry can construct for degree control.
The composite functional material that diatomite content is prepared more than sepiolite content is used for embodiment 7-9, specifically prepares work Skill step is：（1）By quality proportioning sepiolite 30%, diatomite 50%, nano-TiO2Powder 10%, nano ZnO powder 10% is distinguished Weigh each raw material for standby；（2）The nano-TiO that will be weighed2Powder and nano ZnO powder are added to the water and are dispersed with stirring, and are configured to Mass concentration is 4% suspension；（3）The sepiolite weighed and diatomite are added in suspension, after being quickly stirred 1 h It is filtered；（4）Filtration product after drying, calcines 1 h to get to the complex function used for embodiment 7-9 at 400 DEG C Material.
Embodiment 7：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 30%th, powdered whiting 25%, sierozem power 15%, calcined kaolin 15%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 250 r/min Mix the dry powder being mixed after 2h；It is 1 by the dry powder of mixing and the mass ratio of water:0.8 plus water 30 min of stirring, mixing speed control In 1000 r/min, obtained slurry can construct system.
Embodiment 8：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 40%th, powdered whiting 20%, sierozem power 15%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 300 r/min Mix the dry powder being mixed after 2h；It is 1 by the dry powder of mixing and the mass ratio of water:1 plus water 25 min of stirring, mixing speed control In 1200 r/min, obtained slurry can construct.
Embodiment 9：It is subject to total weight 1kg, each component is weighed by quality proportioning identified below：Composite functional material 50%th, powdered whiting 15%, sierozem power 10%, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible glue Powder 5%, thixotropic lubricant 0.5%, water-reducing agent 0.5%.The each component weighed is added in high speed dispersor and is stirred with 400 r/min Mix the dry powder being mixed after 1.5 h；It is 1 by the dry powder of mixing and the mass ratio of water:1.2 plus water 20 min of stirring, stirring speed In 1500 r/min, obtained slurry can construct for degree control.
Following detect is carried out respectively to the indoor wall material of the environmental protection prepared in embodiment 1-9：
（1）Establishing criteria JC/T1074-2008《Function of purifying indoor air metope coating material purifying property》, carry out first Aldehyde purification efficiency detects and the detection of purifying formaldehyde effect persistence；
（2）Establishing criteria JC/T2002-2009《Construction material moisture absorption and desorption property test method》, carry out hygroscopicity, moisture releasing Property detection；
（3）Establishing criteria GB18582-2008《Limits of harmful substances in indoor decorating and refurnishing materials interior wall coating》, carry out The detection of content of volatile organic compound, free formaldehyde content, soluble heavy metal content；
（4）Establishing criteria GB/T21866-2008《Antibiotic paint（Paint film）Antibiotic property measuring method and antibacterial effect》, carry out Anti-microbial property test.
Testing result shows that the indices of the indoor wall material of the environmental protection prepared in embodiment 1-9 reach even better than national Standard requirement, has reached national II classes product standard, Er Qieshi in purifying formaldehyde efficiency and purifying formaldehyde effect persistence Scratched in work it is accessible, it is dry in crack resistance after flawless, in water resistance bubble-free, without cracking, without picking, be a kind of excellent The indoor wall material product of matter environmental protection.
It is limitation of the present invention that above-described embodiment, which is not, and the relevant those of ordinary skill in this field is not departing from this hair In bright basic inventive concept and the situation of range, a variety of modifications that can also be thought or replacement, all equivalent technical solutions It should include within the scope of the present invention.The scope of patent protection of the present invention is subject to the restriction of claim.

Claims (6)

1. a kind of composite multi-functional sepiolite/diatomite basic ring protects indoor wall material, mainly including composite functional material, filler and Auxiliary agent, it is characterised in that：The composite functional material is ZnO/TiO2/ sepiolite/diatomite composite material, step of preparation process For：（1）By quality proportioning sepiolite 30-50%, diatomite 30-50%, nano-TiO2Powder 10-15%, nano ZnO powder 10- 15% weighs each raw material for standby respectively；（2）The nano-TiO that will be weighed2Powder and nano ZnO powder are added to the water and are dispersed with stirring, It is configured to the suspension that mass concentration is 2-4%；（3）The sepiolite weighed and diatomite are added in suspension, quick stirring is mixed It is filtered after closing 0.5-1h；（4）Filtration product after drying, calcines 1-2h to get to the compound work(at 300-400 DEG C It can material；
The filler includes powdered whiting, sierozem power, calcined kaolin and silica sand；The auxiliary agent includes thickener, wooden fibre Dimension, dispersible rubber powder, thixotropic lubricant and water-reducing agent；
The quality proportioning of each component is：Composite functional material 30-50%, powdered whiting 15-25%, sierozem power 10-20%, calcining Kaolin 10-15%, silica sand 5-10%, thickener 1-2%, wood fibre 1-2%, dispersible rubber powder 3-5%, thixotropic lubricant 0.5- 1%th, water-reducing agent 0.5-1%；
During practice of construction, each component of environmental protection interior wall material is added in dispersion machine by quality proportioning with 200-500 r/min The dry powder being mixed after stirring 1-2h；It is 1 by the dry powder of mixing and the mass ratio of water:0.8-1.2 adds water to stir 20-30min, Mixing speed is controlled in 1000-1500 r/min, and obtained slurry can construct.
2. a kind of composite multi-functional sepiolite according to claim 1/diatomite basic ring protects indoor wall material, feature exists In：The specific step of preparation process of the composite functional material is：（1）By quality proportioning sepiolite 50%, diatomite 30%, receive Rice TiO2Powder 10%, nano ZnO powder 10% weigh each raw material for standby respectively；（2）The nano-TiO that will be weighed2Powder and nanometer ZnO powders are added to the water and are dispersed with stirring, and are configured to the suspension that mass concentration is 2%；（3）By the sepiolite weighed and diatom Soil is added in suspension, is filtered after being quickly stirred 1 h；（4）Filtration product after drying, 1 is calcined at 400 DEG C H is to get to the composite functional material.
3. a kind of composite multi-functional sepiolite according to claim 1/diatomite basic ring protects indoor wall material, feature exists In：The quality proportioning of each component is specially in environmentally friendly interior wall material：Composite functional material 50%, powdered whiting 15%, sierozem power 10%th, calcined kaolin 10%, silica sand 5%, thickener 2%, wood fibre 2%, dispersible rubber powder 5%, thixotropic lubricant 0.5%, diminishing Agent 0.5%.
4. indoor wall material is protected according to a kind of composite multi-functional sepiolite of claim 1-3 any one of them/diatomite basic ring, It is characterized in that：The sepiolite is filament fiber structure, and purity is more than 90%, and granularity is 325-500 mesh；The diatomite is Diatomite, purity are more than 90%, and granularity is 325-500 mesh；The nano-TiO2Powder is anatase titanium dioxide, and granularity is 10-50 nm； The nano ZnO powder granularity is 10-50 nm.
5. indoor wall material is protected according to a kind of composite multi-functional sepiolite of claim 1-3 any one of them/diatomite basic ring, It is characterized in that：The granularity of the powdered whiting is 500-800 mesh, and whiteness is not less than 90%；The granularity of the sierozem power is 500-800 mesh, whiteness are not less than 90%；The granularity of the calcined kaolin is 800-1250 mesh, and whiteness is not less than 90%；The silicon The granularity of sand be 80-200 mesh, SiO2Content is more than 95%.
6. indoor wall material is protected according to a kind of composite multi-functional sepiolite of claim 1-3 any one of them/diatomite basic ring, It is characterized in that：The thickener is hydroxypropyl methyl cellulose, any one in hydroxyethyl cellulose, carboxymethyl cellulose Kind；A diameter of 5-25 μm of the wood fibre, length 3-6mm；The dispersible rubber powder is total to for ethylene/vinyl acetate Polymers or acrylic copolymer；The water-reducing agent is polycarboxylic acids dehydragent；The thixotropic lubricant is polyamide wax.
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CN108610817A (en) * 2017-01-05 2018-10-02 胡春宇 Nana intelligent health powdery paints
CN111777396A (en) * 2020-07-30 2020-10-16 杭州顺为环保材料有限公司 Diatomite floor mat and preparation method thereof
CN115321953A (en) * 2021-05-10 2022-11-11 中国科学院上海硅酸盐研究所 Inorganic non-metal moisture absorption sterilization material and preparation method thereof

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CN101348629A (en) * 2008-09-17 2009-01-21 中国建筑材料科学研究总院 Indoor coating having humidity conditioning function and construction method thereof
CN103193444A (en) * 2013-04-28 2013-07-10 商志民 Silicic acid mud interior wall decorating material and preparation method thereof
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