CN107324690A - Composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof - Google Patents
Composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof Download PDFInfo
- Publication number
- CN107324690A CN107324690A CN201710565758.3A CN201710565758A CN107324690A CN 107324690 A CN107324690 A CN 107324690A CN 201710565758 A CN201710565758 A CN 201710565758A CN 107324690 A CN107324690 A CN 107324690A
- Authority
- CN
- China
- Prior art keywords
- coal ash
- polyvinyl alcohol
- stirring
- weight
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5007—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with salts or salty compositions, e.g. for salt glazing
- C04B41/5014—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with salts or salty compositions, e.g. for salt glazing containing sulfur in the anion, e.g. sulfides
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof, it is characterised in that adds distilled water, stirring and dissolving, plus coal ash fiber into sorbester p18, obtains surface modified coal ash fiber；After poly-vinyl alcohol solution heating water bath, plus borax soln reaction, with urea, hydrogen peroxide, ferrous sulfate hybrid reaction, plus tributyl phosphate, hydrophobically modified polyvinyl alcohol glue is stirred to obtain；Paraffin heating water bath is melted, plus polysorbate60, sorbester p18, stir, complex emulsions waterproofing agent is filtered to obtain in methylate methyl acrylate, potassium peroxydisulfate, stirring and emulsifying reaction；Modified coal ash fiber, hydrophobically modified polyvinyl alcohol glue are well mixed with aluminum sulfate, coal ash fiber slurry is made, it is injected into the filter that bottom surface is gauze and filters off liquid, it is compressing, obtain wet blanket, by complex emulsions waterproofing agent even application on wet blanket surface, dry coal ash fiberboard.
Description
Technical field
The present invention relates to fiberboard field, and in particular to a kind of composite modified water proof type powder of polyvinyl alcohol-paraffin wax emulsions
Coal ash fiberboard and preparation method thereof.
Background technology
Coal ash fiber is that flyash gets rid of the ultra-fine inorganic mineral fibres that a fiber-forming process is produced by melting, at present
Research domestic and international for coal ash fiber and produce still at an early stage, most of research still rest on fiber copy paper with
And in terms of prepared by fiberboard.
Wang Cheng is far away from its master thesis《The preparation and water resistance research of coal ash fiberboard》In, using wet method system
Plate technology utilization coal ash fiber prepares sheet material, and coal ash fiber is loosened except Slag treatment by water conservancy stirring means, ground
The factors such as adhesive polyethylene alcohol, coal ash fiber slurry agitation jitter time, coal ash fiber concentration, additive have been studied carefully to powder
The influence of coal ash fiberboard mechanical property, is improved by modified coal ash fiber, modified adhesive and using waterproof coating
The water resistance of coal ash fiberboard.But it is not enough to there is combination property, water resistance.
The content of the invention
The present invention solves the technical problem of provide a kind of polyvinyl alcohol-paraffin wax emulsions composite modified water proof type powder
Coal ash fiberboard and preparation method thereof, the fiberboard prepared according to the technique possesses good combination property and water resistance.
The technical problems to be solved by the invention are realized using following technical scheme：
The preparation method of the composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol-paraffin wax emulsions, it is characterised in that press
Following steps are carried out：
A. into 2-4 parts by weight sorbester p18s 1:5-10 adds 70-80 DEG C of distilled water, and stirring and dissolving adds 50-60 parts by weight powder
Coal ash fiber, in 60-70 DEG C of dispersed with stirring 1-2h, with 100-200 eye mesh screen filtering and dischargings, washes 3-5 times, is placed in 60-80 DEG C
Dried in baking oven after 6-8h, obtain surface modified coal ash fiber；
B. by poly-vinyl alcohol solution heating water bath to 70-80 DEG C, stirring is lower to add 2-3 parts by weight borax solns, and constant temperature stirring is anti-
Answer after 1-2h, mix, stir with 1-2 parts by weight of urea, 0.1-0.3 parts by weight hydrogen peroxide, pH is adjusted with 1-2mol/L HCl
For 5-6, plus 0.1-0.2 parts by weight of ferrous sulfate, 50-60 DEG C of stirring reaction 30-50min is incubated, 0.1-0.2 parts by weight phosphorus is added dropwise
Sour tributyl, stirs, and is cooled to room temperature, and it is neutrality to adjust pH, obtains hydrophobically modified polyvinyl alcohol glue；
C. heating water bath, stirring fusing at 85-95 DEG C by 6-10 parts by weight paraffin, slowly adds 2-3 parts by weight polysorbate60,1-2
Parts by weight sorbester p18, stirs, and 1:3-5 adds distilled water, continues constant temperature stirring 1-2h, plus 5-8 weight parts of methacrylic acid first
Ester, 0.1-0.2 parts by weight potassium peroxydisulfates, in 70-80 DEG C of stirring and emulsifying reaction 3-4h, are cooled to room temperature, use 100-200 eye mesh screens
Filtering and discharging, obtains complex emulsions waterproofing agent；
D. resulting material in a, b is mixed with 1-2 parts sulfuric acid aluminium, stirred, coal ash fiber slurry is made, by it
Injection bottom surface is filters off liquid in the filter of gauze, and control pressure is compressing, obtains the wet blanket of coal ash fiber, by institute in c
Complex emulsions waterproofing agent even application is obtained on wet blanket surface, is placed in 130-160 DEG C of baking oven and dries 1-2h, flyash is produced fine
Tie up plate.
Wherein, poly-vinyl alcohol solution described in step b is to add distilled water into 3-6 weight account polyethylene alcohol, is warming up to
90-100 DEG C of heating water bath stirs 1-2h, obtains the solution that mass fraction is 8-10%；Borax soln concentration is 3-5%.Institute in step c
Emulsion reaction mixing speed is stated for 1000-1100rpm.Pressure described in step d is 4 × 104-5×104Pa。
The present invention reaction mechanism and have the beneficial effect that：
With polyvinyl alcohol (PVA) for adhesive, nonhazardous, but its poor water resistance, first polyvinyl alcohol is modified with borax, boron
Reaction is crosslinked between sand and polyvinyl alcohol, the water resistance of polyvinyl alcohol is improved；Oxidant hydrogen peroxide, catalyst sulfuric acid are used again
Ferrous, urea carries out oxidative degradation and hydrophobically modified to it, to reduce the viscosity of glue, improves its solid content and water resistance, obtains
Hydrophobic performance is good and PVA glues of good combination property, and the hydrophobically modified effect to fiberboard is good.Using sorbester p18 as emulsifying agent, with
Potassium peroxydisulfate is initiator, using methyl methacrylate as monomer, carries out emulsion polymerization with paraffin wax emulsions, obtains complex emulsions waterproof
Agent, uses it for improving the water imbibition and dimensional stability of timber.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment
A kind of preparation method of the composite modified water proof type coal ash fiberboard of polyvinyl alcohol-paraffin wax emulsions, its feature exists
In carrying out according to the following steps：
A. into 4kg sorbester p18s 1:10 add 70-80 DEG C of distilled water, and stirring and dissolving adds 60kg coal ash fibers, in 60-70
DEG C dispersed with stirring 1h, with 100 eye mesh screen filtering and dischargings, washes 3 times, is placed in 60-80 DEG C of baking oven and dries after 8h, obtains surface modification
Coal ash fiber；
B. by poly-vinyl alcohol solution heating water bath to 70-80 DEG C, stirring is lower to add 3kg borax solns, constant temperature stirring reaction 1h
Afterwards, mix, stir with 2kg urea, 0.3kg hydrogen peroxide, it is 5-6 that pH is adjusted with 1mol/L HCl, plus 0.2kg ferrous sulfate,
50-60 DEG C of stirring reaction 40min is incubated, 0.2kg tributyl phosphates are added dropwise, stir, room temperature is cooled to, it is neutrality to adjust pH,
Obtain hydrophobically modified polyvinyl alcohol glue；
C. heating water bath, stirring fusing at 85-95 DEG C by 6kg paraffin, slowly adds 2kg polysorbate60s, 1kg sorbester p18s, stirring is equal
It is even, 1:5 add distilled water, continue constant temperature stirring 1h, plus 8kg methyl methacrylates, 0.2kg potassium peroxydisulfates, in 70-80 DEG C of stirring
Emulsion reaction 3h, is cooled to room temperature, with 100 eye mesh screen filtering and dischargings, obtains complex emulsions waterproofing agent；
D. resulting material in a, b is mixed with 2kg aluminum sulfate, stirred, coal ash fiber slurry is made, bottom is injected into
Face is filters off liquid in the filter of gauze, and control pressure is compressing, obtains the wet blanket of coal ash fiber, and gained in c is compound
Emulsion water-proof agent even application is placed in 140-160 DEG C of baking oven on wet blanket surface and dries 2h, produce coal ash fiberboard.
Wherein, poly-vinyl alcohol solution described in step b is to add distilled water into 6kg polyvinyl alcohol, is warming up to 90 DEG C of water
Heating stirring 1h is bathed, the solution that mass fraction is 10% is obtained；Borax soln concentration is 4%.The stirring speed of emulsion reaction described in step c
Spend for 1100rpm.Pressure described in step d is 5 × 104Pa。
Claims (5)
1. a kind of preparation method of the composite modified water proof type coal ash fiberboard of polyvinyl alcohol-paraffin wax emulsions, it is characterised in that：
Add distilled water, stirring and dissolving, plus coal ash fiber into sorbester p18, obtain surface modified coal ash fiber；By polyvinyl alcohol
After solution heating water bath, plus borax soln reaction, with urea, hydrogen peroxide, ferrous sulfate hybrid reaction, plus tributyl phosphate, stir
Mix to obtain hydrophobically modified polyvinyl alcohol glue；Paraffin heating water bath is melted, plus polysorbate60, sorbester p18, stir, methylate third
E pioic acid methyl ester, potassium peroxydisulfate, emulsion reaction filter to obtain complex emulsions waterproofing agent；By modified coal ash fiber, the poly- second of hydrophobically modified
Enol glue is well mixed with aluminum sulfate, and coal ash fiber slurry is made, and is injected into the filter that bottom surface is gauze and is filtered off
Liquid, it is compressing, wet blanket is obtained, by complex emulsions waterproofing agent even application on wet blanket surface, dry coal ash fiber
Plate.
2. a kind of preparation method of the composite modified water proof type coal ash fiberboard of polyvinyl alcohol-paraffin wax emulsions, its
It is characterised by：
A. into 2-4 parts by weight sorbester p18s 1:5-10 adds 70-80 DEG C of distilled water, and stirring and dissolving adds 50-60 parts by weight powder
Coal ash fiber, in 60-70 DEG C of dispersed with stirring 1-2h, with 100-200 eye mesh screen filtering and dischargings, washes 3-5 times, is placed in 60-80 DEG C
Dried in baking oven after 6-8h, obtain surface modified coal ash fiber；
B. by poly-vinyl alcohol solution heating water bath to 70-80 DEG C, stirring is lower to add 2-3 parts by weight borax solns, and constant temperature stirring is anti-
Answer after 1-2h, mix, stir with 1-2 parts by weight of urea, 0.1-0.3 parts by weight hydrogen peroxide, pH is adjusted with 1-2mol/L HCl
For 5-6, plus 0.1-0.2 parts by weight of ferrous sulfate, 50-60 DEG C of stirring reaction 30-50min is incubated, 0.1-0.2 parts by weight phosphorus is added dropwise
Sour tributyl, stirs, and is cooled to room temperature, and it is neutrality to adjust pH, obtains hydrophobically modified polyvinyl alcohol glue；
C. heating water bath, stirring fusing at 85-95 DEG C by 6-10 parts by weight paraffin, slowly adds 2-3 parts by weight polysorbate60,1-2
Parts by weight sorbester p18, stirs, and 1:3-5 adds distilled water, continues constant temperature stirring 1-2h, plus 5-8 weight parts of methacrylic acid first
Ester, 0.1-0.2 parts by weight potassium peroxydisulfates, in 70-80 DEG C of stirring and emulsifying reaction 3-4h, are cooled to room temperature, use 100-200 eye mesh screens
Filtering and discharging, obtains complex emulsions waterproofing agent；
D. resulting material in a, b is mixed with 1-2 parts sulfuric acid aluminium, stirred, coal ash fiber slurry is made, by it
Injection bottom surface is filters off liquid in the filter of gauze, and control pressure is compressing, obtains the wet blanket of coal ash fiber, by institute in c
Complex emulsions waterproofing agent even application is obtained on wet blanket surface, is placed in 130-160 DEG C of baking oven and dries 1-2h, flyash is produced fine
Tie up plate.
3. a kind of composite modified water proof type coal ash fiberboard of polyvinyl alcohol-paraffin wax emulsions according to claim 2
Preparation method, it is characterised in that poly-vinyl alcohol solution described in step b is to add distilled water into 3-6 weight account polyethylene alcohol,
90-100 DEG C of heating water bath stirring 1-2h is warming up to, the solution that mass fraction is 8-10% is obtained；Borax soln concentration is 3-5%.
4. a kind of composite modified water proof type coal ash fiberboard of polyvinyl alcohol-paraffin wax emulsions according to claim 2
Preparation method, it is characterised in that emulsion reaction mixing speed described in step c is 1000-1100rpm.
5. a kind of composite modified water proof type coal ash fiberboard of polyvinyl alcohol-paraffin wax emulsions according to claim 2
Preparation method, it is characterised in that pressure described in step d is 4 × 104-5×104Pa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565758.3A CN107324690A (en) | 2017-07-12 | 2017-07-12 | Composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565758.3A CN107324690A (en) | 2017-07-12 | 2017-07-12 | Composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107324690A true CN107324690A (en) | 2017-11-07 |
Family
ID=60197000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565758.3A Pending CN107324690A (en) | 2017-07-12 | 2017-07-12 | Composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107324690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477915A (en) * | 2022-03-04 | 2022-05-13 | 南京亨瑞斯新材料科技有限公司 | Preparation method of super-hydrophobic cement prefabricated product |
-
2017
- 2017-07-12 CN CN201710565758.3A patent/CN107324690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477915A (en) * | 2022-03-04 | 2022-05-13 | 南京亨瑞斯新材料科技有限公司 | Preparation method of super-hydrophobic cement prefabricated product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7148270B2 (en) | Polymer-modified fiber-cement composition | |
| CN103613700B (en) | A kind of Pickering emulsion polymerization prepares the method for polyacrylic ester/Nano-ZnO Hybrid Coatings printing adhesive | |
| CN102976652B (en) | Concrete maintenance agent having high water retention rate, and its preparation method | |
| CN104151486A (en) | Method for preparing polyacrylic ester/nanoSiO2 coating printing adhesive by using Pickering emulsion polymerization method | |
| CN104128138A (en) | Microcapsule energy storage composition and preparation method thereof | |
| CN104558368B (en) | A kind of high temperature resistant wallpaper basement membrane and preparation method thereof | |
| CN107497484A (en) | A kind of hydrophobic type polyvinyl alcohol sustained-release micro-spheres of supported catalyst and preparation method thereof | |
| CN103537238A (en) | Preparation method of residual emulsifying agent-free flame-retardant phase-change material capsule | |
| CN109713198A (en) | MOFs/PMMA/PVDF three-phase composite battery diaphragm and preparation method thereof | |
| CN106496439A (en) | Star-like slow release slump retaining polycarboxylate water reducer of a kind of Y words and preparation method thereof | |
| CN109438621A (en) | Functional butylbenzene copolymer latex and its preparation method and application | |
| CN107324690A (en) | Composite modified water proof type coal ash fiberboard of a kind of polyvinyl alcohol paraffin wax emulsions and preparation method thereof | |
| CN105294015A (en) | Production method of washing machine balancing weight | |
| CN107892537A (en) | A kind of preparation method for the plasterboard for adding aliphatic acid silica phase-transition heat-storage composite | |
| CN101787102A (en) | Method for preparing white latex by utilizing polystyrene waste | |
| CN108676305A (en) | A kind of preparation method of water-fast re-dispersible glue powder | |
| CN103820061B (en) | A kind of sizing agent for Wood plastic composite and preparation method thereof | |
| CN103193930A (en) | Method for preparing amphoteric polyacrylamide emulsion capable of improving waste paper fine fiber strength | |
| CN107384247A (en) | A kind of based Wood Adhesives based on esterification modification tapioca and preparation method thereof | |
| CN107513880A (en) | A kind of fibre-reinforced composite mortar of paper grade (stock) modified coal ash and preparation method thereof | |
| CN1560164A (en) | High molecule compound of aldehyde-free adhesives for producing artificial board | |
| CN102686667B (en) | Waterproof and fireproof zero-carbon ecological board made from powders of waste electronic circuit board and manufacturing process thereof | |
| CN107177020A (en) | A kind of maleopimaric acid modified polyacrylate dispersant and preparation method thereof | |
| CN105386275A (en) | Production method of weight-adjustable washing machine balancing weight | |
| CN109332577A (en) | A kind of green-sand and preparation method thereof in green casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171107 |