CN107383422A - A kind of fly ash base composite and its preparation method and application - Google Patents

A kind of fly ash base composite and its preparation method and application Download PDF

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CN107383422A
CN107383422A CN201710681160.0A CN201710681160A CN107383422A CN 107383422 A CN107383422 A CN 107383422A CN 201710681160 A CN201710681160 A CN 201710681160A CN 107383422 A CN107383422 A CN 107383422A
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fly ash
base composite
ash base
flyash
preparation
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CN107383422B (en
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万祥龙
金石
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Anhui Dames Chemical Technology Co ltd
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Anhui University of Science and Technology
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/0078—Pigments consisting of flaky, non-metallic substrates, characterised by a surface-region containing free metal
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/066—Treatment or coating resulting in a free metal containing surface-region
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10—Treatment with macromolecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Abstract

The invention discloses a kind of fly ash base composite, by flyash and the zinc hydroxide of fine coal gray surface is coated on or zinc oxide is formed.Fly ash base composite of the present invention is using flyash as core, using zinc hydroxide or zinc oxide as the material of the core shell structure of shell, it has preferable whiteness, and application obtains very big expansion, and antibacterial activity value is high, the durable antibiotic of zinc oxide is good, and available for preparing antimicrobial coating, and coating stability is good, cost of material of the present invention is low, the recycling of waste material can be realized, greatly improves the added value of flyash, there is extraordinary application prospect.

Description

A kind of fly ash base composite and its preparation method and application
Technical field
Recycled the present invention relates to solid waste and field of new materials, relate in particular to a kind of fly ash base composite and Its preparation method and application.
Background technology
Flyash is a kind of industrial solid castoff, and it is usually caused by from coal-burning utilities, environment is produced serious Pollution.Flyash value added applications are always the important content of its recycling, on the one hand can solve the ring brought by it Border pollution problem, on the other hand it is that its high added value can bring profit to enterprise, there is relatively good economic benefit and society Benefit.
The anti-biotic material report of fly ash base mainly adds silver ion wherein, slow in fine coal gray surface using silver ion Release, makes it have antibiotic property.But in general silver ion raw material is relatively expensive, while easily it is lost in, durable antibiotic is bad.
And the color of flyash is also always to influence its application principal element as inserts in various occasions, especially It is fluidization bed fly ash, because its some uncombusted charcoal, darker, influence it and requires more polo-neck in color The application in domain.
The content of the invention
The technical problems to be solved by the invention are to provide that a kind of cost is low, and whiteness is good, the high flyash of antibacterial activity value Based composites and its preparation method and application.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of fly ash base composite, by powder Coal ash and the zinc hydroxide or zinc oxide composition for being coated on fine coal gray surface.
Further, particle diameter≤25 micron of the flyash.In implementing the present invention, it may, inventor has found, it is former Particle diameter is expected in this scope, and its specific surface area is advantageous to the cladding of zinc oxide, but also can directly prepare film, if particle diameter is big In this scope, the covered effect of zinc hydroxide is poor, also needs to pulverization process when preparing film, influences antibacterial effect.
The application of fly ash base composite provided by the invention is the application in anti-biotic material is manufactured.
The preparation method of fly ash base composite provided by the invention, comprises the following steps：
(1) using flyash as raw material, pickling or alkali cleaning is carried out to raw material, then the raw material through overpickling or alkali cleaning carried out Washing, until the pH value of eluate reaches 6~8, the backward raw material by washing in add ethylene glycol, Sodium Polyacrylate and alkane Base phenol polyethenoxy ether, base material paste is made after disperseing；
(2) zinc solution is first added into base material paste, then barium chloride or hydrogen-oxygen are added under 50~60 DEG C, stirring condition Change barium solution, be eventually adding sodium hydroxide solution to pH value and reach 6.5~7.5, after stirring, be cooled to room temperature, be then centrifuged for removing Supernatant is removed, air drying processing is carried out to obtained precipitation, that is, obtains by flyash and be coated on the hydrogen of fine coal gray surface The fly ash base composite that zinc oxide is formed, obtained precipitation is washed, high temperature drying processing, that is, obtained by powder Coal ash and be coated on fine coal gray surface zinc oxide form the fly ash base composite.
Further, the mass ratio of raw material and ethylene glycol, Sodium Polyacrylate and APES is 100:5~ 10:0.5~3:0.1~1.In implementing the present invention, it may, inventor has found, and under matching herein, ethylene glycol, Sodium Polyacrylate Interface cladding layer by layer, the interface more stablized can be preferably carried out with APES.
Further, the solid content of base material paste is 45~55%.In implementing the present invention, it may, inventor has found, On this condition, the good colloid of stability, and convenient follow-up directly addition high polymer material can not only be obtained, it is thin to prepare antibacterial Film.
Further, zinc solution is saturated solution, the solid-liquid ratio of base material paste and zinc solution for 3~10g/20~ 40mL.In implementing the present invention, it may, inventor has found, under matching herein, cost performance is optimal.
Further, barium chloride or barium hydroxide solution are saturated solution, and base material paste and barium chloride or barium hydroxide are molten The solid-liquid ratio of liquid is 3~10g/10~30mL.In implementing the present invention, it may, inventor has found, and under matching herein, cost performance It is optimal.
Further, the concentration of sodium hydroxide solution is 1mol/L.
Further, the temperature of high temperature drying processing is 100 DEG C, and the time is 1.5~2h.Implementing the process of the present invention In, inventor has found that on this condition, zinc hydroxide can more be completely converted into zinc oxide.
Beneficial effects of the present invention are embodied in：
Fly ash base composite of the present invention is using flyash as core, the core shell structure using zinc hydroxide or zinc oxide as shell Material, it has a preferable whiteness, and application obtains very big expansion, and antibacterial activity value is high, zinc oxide it is persistently anti- Bacterium property is good, and available for preparing antimicrobial coating, and coating stability is good, and cost of material of the present invention is low, can realize the sharp again of waste material With greatly improving the added value of flyash, there is extraordinary application prospect.
The preparation method technique of fly ash base composite of the present invention is simple, easily implements, extensive suitable for industrializing Production.
The preparation method of fly ash base composite of the present invention, flyash or Fly ash bead table are destroyed with pickling or alkali cleaning The vitreum in face, some impurity are dissolved, reuse ethylene glycol, Sodium Polyacrylate and APES and directly it is carried out Surface is modified to obtain homogeneous interface, is easy in flyash area load and cladding zinc hydroxide.
Embodiment
With reference to embodiment, the invention will be further described：
Various raw materials, are such as not specifically noted used in following examples, are commercially available prod well known in the art.
In order to realize the twice laid of flyash, and it is expensive to solve current material, the problem of durable antibiotic difference, this Invention designs a kind of fly ash base composite, by flyash and is coated on the zinc hydroxide or zinc oxide structure of fine coal gray surface Into.The specific embodiment of the preparation method of several fly ash base composites is provided below.
Embodiment 1
A kind of preparation method of fly ash base composite, comprises the following steps：
(1) using flyash as raw material, add the raw material into and pickling is carried out in 0.5mol/L hydrochloric acid, then to through overpickling Raw material washed, until the pH value of eluate reaches 7, the backward raw material by washing in add ethylene glycol, polypropylene Sour sodium and APES, the mass ratio of raw material and ethylene glycol, Sodium Polyacrylate and APES are 100:8:2.5:0.6, wet grinding is handled to feed particles particle diameter≤25 micron (this process is also scattered process), is finally made Obtain the base material paste that solid content is 50%；
(2) zinc sulfate saturated solution is first added into base material paste, then be slowly added dropwise under 55 DEG C, stirring condition into (with Reduce crystallization rate) barium chloride saturated solution, the solid-liquid ratio of base material paste and zinc sulfate saturated solution be 6g/30mL, and base material is starched The solid-liquid ratio of material and barium chloride saturated solution is 6g/20mL, and sodium hydroxide solution to the pH value for being eventually adding 1mol/L reaches 7.0, after stirring 20min, room temperature is cooled to, 10min is then centrifuged with 4000r/min rotating speed, removes supernatant, what is obtained is heavy Shallow lake half carries out air drying processing, that is, obtain by flyash and be coated on fine coal gray surface zinc hydroxide form described in Fly ash base composite, second half is moved to after being washed dries 1.8h in 100 DEG C of drying boxes, obtain by flyash and bag Overlay on the fly ash base composite that the zinc oxide of fine coal gray surface is formed.
Embodiment 2
A kind of preparation method of fly ash base composite, comprises the following steps：
(1) using flyash as raw material, add the raw material into and pickling is carried out in 0.1mol/L hydrochloric acid, then to through overpickling Raw material washed, until the pH value of eluate reaches 6, the backward raw material by washing in add ethylene glycol, polypropylene Sour sodium and APES, the mass ratio of raw material and ethylene glycol, Sodium Polyacrylate and APES are 100:5:0.5:0.1, wet grinding handles the base material slurry for feed particles particle diameter≤25 micron, being finally made that solid content is 45% Material；
(2) zinc sulfate saturated solution is first added into base material paste, then is slowly added dropwise under 50 DEG C, stirring condition into chlorination The solid-liquid ratio of barium saturated solution, base material paste and zinc sulfate saturated solution is 3g/20mL, base material paste and barium chloride saturated solution Solid-liquid ratio be 3g/10mL, sodium hydroxide solution to the pH value for being eventually adding 1mol/L reaches 6.5, after stirring 30min, cooling To room temperature, 15min is then centrifuged with 4000r/min rotating speed, removes supernatant, obtained precipitation half is carried out at air drying Reason, that is, obtain by flyash and be coated on the fly ash base composite that the zinc hydroxide of fine coal gray surface forms, separately Half moves to after being washed dries 1.5h in 100 DEG C of drying boxes, obtain by flyash and be coated on the oxygen of fine coal gray surface Change the fly ash base composite that zinc is formed.
Embodiment 3
A kind of preparation method of fly ash base composite, comprises the following steps：
(1) using flyash as raw material, add the raw material into and pickling is carried out in 1mol/L hydrochloric acid, then to through overpickling Raw material is washed, until the pH value of eluate reaches 8, the backward raw material by washing in add ethylene glycol, polyacrylic acid The mass ratio of sodium and APES, raw material and ethylene glycol, Sodium Polyacrylate and APES is 100: 10:3:1, wet grinding is handled to feed particles particle diameter≤25 micron, and the base material paste that solid content is 55% is finally made；
(2) zinc sulfate saturated solution is first added into base material paste, then is slowly added dropwise under 60 DEG C, stirring condition into chlorination Barium saturated solution, base material paste and the solid-liquid ratio of zinc sulfate saturated solution are 10g/40mL, and base material paste and barium chloride saturation are molten The solid-liquid ratio of liquid is 10g/30mL, and sodium hydroxide solution to the pH value for being eventually adding 1mol/L reaches 7.5, cold after stirring 10min But to room temperature, 5min is then centrifuged with 4000r/min rotating speed, removes supernatant, obtained precipitation half carries out air drying Processing, that is, obtain by flyash and be coated on the fly ash base composite that the zinc hydroxide of fine coal gray surface forms, Second half is moved to after being washed dries 12h in 100 DEG C of drying boxes, obtain by flyash and be coated on the oxygen of fine coal gray surface Change the fly ash base composite that zinc is formed.
Carry out whiteness to fly ash base composite made from embodiment 1 to 3 to detect with antibiotic property, as a result such as table 1 below institute Show.
Table 1
Note：1# fly ash base composites refer to by flyash and are coated on what the zinc hydroxide of fine coal gray surface was formed Fly ash base composite；2# fly ash base composites refer to by flyash and are coated on the zinc oxide structure of fine coal gray surface Into fly ash base composite (similarly hereinafter).
Embodiment 4 to 6
Embodiment 4 to 6 provides a kind of preparation method of fly ash base composite, wherein embodiment 4 and embodiment 1 respectively Similar, embodiment 5 is similar to Example 2, and embodiment 6 is similar to Example 3, and the difference of embodiment 4 to 6 and embodiment 1 to 3 is only It is：Embodiment 4 to 6 replaces the barium chloride saturated solution in embodiment 1 to 3, other conditions to barium hydroxide saturated solution Constant, the whiteness and antibiotic property of obtained fly ash base composite are as shown in table 2 below.
Table 2
Above-described embodiment is using the pretreatment mode that pickling is carried out to flyash, and the present invention can also be used to powder Coal ash carries out the pretreatment mode of alkali cleaning, and specific preparation method is similar to embodiment 1 to 6, and difference is only that：In step (1), use 1mol/L sodium hydrate aqueous solution carries out alkali cleaning to raw material and pickling, obtained fly ash base is carried out to raw material with hydrochloric acid to substitute The whiteness of composite and antibiotic property are as shown in table 3 below.
Table 3
As can be seen from the above results, fly ash base composite of the present invention has preferable whiteness and antibiotic property, in height Molecular material is as filler in use, that corresponding antibiotic paint, antibiotic plastic, antibacterial rubber and anti-bacterial fibre can be made is contour Molecular composite material.
It should be understood that example as described herein and embodiment are not intended to limit the invention, this area only for explanation Technical staff can make various modifications or change according to it, within the spirit and principles of the invention, any modification for being made, Equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. fly ash base composite, it is characterised in that：By flyash and it is coated on the zinc hydroxide of fine coal gray surface Or zinc oxide is formed.
  2. 2. fly ash base composite as claimed in claim 1, it is characterised in that：Particle diameter≤25 micron of the flyash.
  3. 3. application of the fly ash base composite as claimed in claim 1 or 2 in anti-biotic material is manufactured.
  4. 4. the preparation method of fly ash base composite as claimed in claim 1 or 2, it is characterised in that：Comprise the following steps：
    (1) using flyash as raw material, pickling or alkali cleaning are carried out to raw material, then to entering water-filling through overpickling or the raw material of alkali cleaning Wash, until the pH value of eluate reaches 6~8, the backward raw material by washing in add ethylene glycol, Sodium Polyacrylate and alkyl Phenol polyethenoxy ether, base material paste is made after disperseing；
    (2) zinc solution is first added into base material paste, then barium chloride or barium hydroxide are added under 50~60 DEG C, stirring condition Solution, it is eventually adding sodium hydroxide solution to pH value and reaches 6.5~7.5, after stirring, be cooled to room temperature, be then centrifuged in removing Clear liquid, air drying processing is carried out to obtained precipitation, that is, obtains by flyash and be coated on the hydroxide of fine coal gray surface The fly ash base composite that zinc is formed, obtained precipitation is washed, high temperature drying processing, that is, obtained by flyash And it is coated on the fly ash base composite that the zinc oxide of fine coal gray surface is formed.
  5. 5. the preparation method of fly ash base composite as claimed in claim 4, it is characterised in that：Raw material and ethylene glycol, gather The mass ratio of PAA and APES is 100:5~10:0.5~3:0.1~1.
  6. 6. the preparation method of the fly ash base composite as described in claim 4 or 5, it is characterised in that：Base material paste is consolidated Content is 45~55%.
  7. 7. the preparation method of the fly ash base composite as described in claim 4 or 5, it is characterised in that：Zinc solution is full And solution, the solid-liquid ratio of base material paste and zinc solution is 3~10g/20~40mL.
  8. 8. the preparation method of the fly ash base composite as described in claim 4 or 5, it is characterised in that：Barium chloride or hydrogen-oxygen It is saturated solution to change barium solution, and base material paste and the solid-liquid ratio of barium chloride or barium hydroxide solution are 3~10g/10~30mL.
  9. 9. the preparation method of the fly ash base composite as described in claim 4 or 5, it is characterised in that：Sodium hydroxide solution Concentration be 1mol/L.
  10. 10. the preparation method of the fly ash base composite as described in claim 4 or 5, it is characterised in that：High temperature drying processing Temperature be 100 DEG C, the time is 1.5~2h.
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CN109331799A (en) * 2018-10-22 2019-02-15 安徽理工大学 A kind of fly ash loading photocatalysis material of titanium dioxide and preparation method thereof
CN110746672A (en) * 2019-09-18 2020-02-04 安徽理工大学 Method for preparing antibacterial master batch by using waste and/or waste plastics as raw materials

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CN101948318A (en) * 2010-09-15 2011-01-19 石家庄铁道大学 Nanometer powder of titanium oxide coated by zinc oxide and preparation method thereof
CN103102539A (en) * 2012-11-13 2013-05-15 铜陵亿亨达电子有限责任公司 Capacitor shell rubber wrapper prepared from modified coal ash
CN104017393A (en) * 2014-06-11 2014-09-03 安徽恒昊科技有限公司 Nano-zinc oxide coated sericite powder composite material and preparation method thereof
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