CN106082923A - A kind of preparation method of water proof and wearable type gypsum self-leveling material - Google Patents
A kind of preparation method of water proof and wearable type gypsum self-leveling material Download PDFInfo
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- CN106082923A CN106082923A CN201610469468.4A CN201610469468A CN106082923A CN 106082923 A CN106082923 A CN 106082923A CN 201610469468 A CN201610469468 A CN 201610469468A CN 106082923 A CN106082923 A CN 106082923A
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- leveling material
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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
- C04B28/14—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 calcium sulfate cements
- C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's cement
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention relates to the preparation method of a kind of water proof and wearable type gypsum self-leveling material, belong to technical field of material.The present invention is first with graphite flake as raw material, it is carried out oxidation processes, being prepared into oxidized graphite flake, it is modified by recycling basalt fibre and γ aminopropyl-triethoxy silicon, obtains modified mixed-powder, then it is mixed with the material such as polyvinyl alcohol, Polyethylene Glycol, and carry out high temperature polymerization, obtain polymer beads, finally, by material stirring mixing such as fluorgypsum powder, polymer beads, polyacrylamides, i.e. can get water proof and wearable type gypsum self-leveling material.Water proof and wearable type gypsum self-leveling material prepared by the present invention has good mobility, and fluidity is 255～280mm；Resistance to water improves 17～20%, and wearability is high, and surface abrasion is 0.10～0.14mg/m2, reach the requirement on common buildings ground.
Description
Technical field
The present invention relates to the preparation method of a kind of water proof and wearable type gypsum self-leveling material, belong to material preparation technology neck
Territory.
Background technology
Self-leveling material is also referred to as functional type floor decorative material, be can quickly, economically and efficiently obtain smooth,
Firmly or there is the class material on ornamental ground.Self-leveling material is generally divided into organic and inorganic two big classes.
Organic self-leveling material is self-leveling floor coating, is primarily referred to as epoxy self-leveling material, the chemistry of its uniqueness
Structure and bi-component organic compound make organic system Self-leveling have the chemicals such as good physical and mechanical properties and acidproof, oils and fats
Performance, it has also become apply most common self-leveling material.Mineral-type self-leveling material is typically by inorganic coagulation material, super plasticized
Powdery one pack system that the additives such as agent, retarder, defoamer and fine sand mix (or double groups that powder is compound with liquid material
Point) surface structures material, it is the one of functional building mortar.This kind of material adds water according to the ratio of regulation in use and mixes
Close or powder and liquid material mix is uniform, after machinery pumping or artificial construction, it is not necessary to Manual, vibrate smooth, and
It is the high fluidity by slurry and automatic flowing forms flat surface.
Self-leveling material with cement as base material, is divided into by its composition and the mode of mixing and stirring: one-component cement system S L is with double
Component cement system SL two kinds.One-component cement system S L, is directly to add water in proportion at the scene to mix and stir pulping
Body is poured into a mould；Bicomponent cement system S L, is by necessarily by the powder component with cement as base material and polymer emulsion aqueous solution
Ratio mixes and stirs into slurry cast.One-component cement system one S L compares the screed-coat being suitable for making concrete or screed, construction letter
Single, convenient transportation, but lack flexibility.Bicomponent cement system S L is possible not only to make the screed-coat of basic unit, and mix color can
As colorful surface layer, elastic preferably but cost is higher, and use and transport the most convenient.In the most inorganic self-leveling material
Gypsum self-leveling material is with αsemiwatergypsum as main material, adds relevant various auxiliary agents, such as retarder, water reducer, water-retaining agent
Etc. a kind of air-setting self-leveling material being prepared from.Owing to its water resistance and anti-wear performance are poor, cost is high, and application is limited
System, has the trend gradually replaced by cement-based self-leveling material.
Summary of the invention
The technical problem to be solved: expensive for the self-leveling material cost with cement as base material, transport not side
Just, self-leveling material water resistance and anti-wear performance and with Gypsum Fibrosum as base material are poor so that it is the problem that application is restricted, it is provided that
One, first with graphite flake as raw material, carries out oxidation processes to it, is prepared into oxidized graphite flake, recycling basalt fibre and
It is modified by gamma-aminopropyl-triethoxy silicon, obtains modified mixed-powder, then by itself and polyvinyl alcohol, Polyethylene Glycol etc.
Material mixes, and carries out high temperature polymerization, obtains polymer beads, finally, by fluorgypsum powder, polymer beads, polyacrylamide
Deng material stirring mixing, the method that i.e. can get water proof and wearable type gypsum self-leveling material.The present invention is modified by graphite oxide
Gypsum surface anti-wear performance, the polymer beads simultaneously prepared can add heat fusing when mixing, strengthen self-leveling material mobility
Can be made it after the solidification is complete simultaneously, form one layer of effective fish tail and waterproof layer, the present invention prepare from advection materials water-resistant
High with wearability, and mobile performance is high, low cost.
For solving above-mentioned technical problem, the present invention uses the technical scheme as described below to be:
(1) 1:5 in mass ratio, mixes graphite flake with the stirring of mass concentration 90% sulfuric acid solution and is placed in there-necked flask, stirring
After mixing 10～15min, then heating in water bath 2～3h at 35～50 DEG C, obtain sulphuric acid graphite mixed liquor, count by weight, point
Another name amount 45～50 portions of sulphuric acid graphite mixed liquors, 3～5 parts of solid-state ozone, 40～50 parts of deionized waters and 10～20 parts of permanganic acid
Potassium is placed in flask, stirring mixing 2～3h under 0～5 DEG C of ice-water bath；
(2) after mixing to be mixed completes, to flask is slowly added dropwise the mass concentration 30% identical in quality with sulphuric acid graphite mixed liquor
Hydrogen peroxide solution, controlling time for adding is 10～20min, after being added dropwise to complete, filters and collects filter cake, using 1mol/L salt respectively
Acid solution and deionization wash 3～5 times, are prepared into oxidized graphite flake；
(3) count by weight, respectively weigh the oxidized graphite flake of 30～40 parts of above-mentioned preparations, 20～30 parts of basalt fibres and
10～15 parts of gamma-aminopropyl-triethoxy-silanes are placed in ball grinder, by the 250～300r/min slow ball millings of speed 3～5h, treat
After ball milling completes, it is placed at 65～80 DEG C and is dried 6～8h, mill subsequently and sieve, be prepared into 120～150 mesh modifications and mix
Close powder；
(4) count by weight, respectively by 40～45 parts of polyvinyl alcohol, 40～45 parts of Polyethylene Glycol, 10～15 parts of above-mentioned preparations
Modified mixed-powder and 3～5 parts of emulsion acrylic resins be placed in conical flask, stirring mixing be placed at 95～100 DEG C
Oil bath heating 1～2h, to be heated complete after, stand and be cooled to room temperature and it is filtered, collect filter cake and be also washed with deionized
PH to 7.0, is prepared into polymer beads；
(5) fluorgypsum is placed in milling device, mills under 5～10MPa and sieve, be prepared into 60～80 mesh fluorine gypsum powders
End, counts the most by weight, weigh respectively 60～80 parts of fluorgypsum powder, the polymer beads of 20～30 parts of above-mentioned preparations, 2
～3 parts of polyacrylamides, 1～2 part of polyoxyethylene polyoxy propanol amidogen ether, 2～3 parts of polycarboxylate water-reducers and 50～60 parts of deionizations
Water is placed in reactor, mix and blend 10～15min at 95～100 DEG C, to be mixed complete after, collect mixed slurry, by it
It is placed in stainless steel mould, at room temperature solidification 10～12h, a kind of water proof and wearable type gypsum self-leveling material can be prepared into.
Water proof and wearable type gypsum self-leveling material fluidity prepared by the present invention is 255～280mm, and hardenite proportion is
1.45～1.65, firm time is 2～3h, and comprcssive strength is 17～18MPa, and bending strength is 8～9MPa, and adhesion strength is
0.9～1.2MPa, surface abrasion is 0.10～0.14mg/m2。
The application process of the present invention: first before construction, it is necessary to clean base, removes floating ash, greasy dirt and loose matter, treats clear
After sweeping, the water proof and wearable type gypsum self-leveling material of above-mentioned preparation is placed in massing machine stirring, then utilizes pump
Carrying out feed, pour on ground, pump output is 2.0～2.5m2/ h, joint part can strike off gently, finally it is carried out basic unit
Repairing, ground projection to polish flat, and repairs smooth with putty at depression and crack, and after construction, construction area seals
Close maintenance, must not someone walk before ground is the most fully hardened.After testing, the water proof and wearable type gypsum self-leveling material that prepared by the present invention
Material fluidity is 255～280mm, and firm time is 2～3h, and surface abrasion is 0.10～0.14mg/m2。
The present invention is compared with additive method, and Advantageous Effects is:
(1) the water proof and wearable type gypsum self-leveling material that prepared by the present invention has good mobility, fluidity be 255～
280mm；
(2) the water proof and wearable type gypsum self-leveling material resistance to water that prepared by the present invention improves 17～20%, and wearability is high, surface
Abrasion is 0.10～0.14mg/m2, reach the requirement on common buildings ground；
(3) preparation process of the present invention is simple, required low cost.
Detailed description of the invention
1:5 the most in mass ratio, mixes graphite flake with the stirring of mass concentration 90% sulfuric acid solution and is placed in there-necked flask
In, after stirring mixing 10～15min, then heating in water bath 2～3h at 35～50 DEG C, obtain sulphuric acid graphite mixed liquor, by weight
Number meter, weighs 45～50 portions of sulphuric acid graphite mixed liquors, 3～5 parts of solid-state ozone, 40～50 parts of deionized waters and 10～20 parts respectively
Potassium permanganate is placed in flask, stirring mixing 2～3h under 0～5 DEG C of ice-water bath；After mixing to be mixed completes, to slow in flask
Slow drip mass concentration 30% hydrogen peroxide solution identical in quality with sulphuric acid graphite mixed liquor, control time for adding be 10～
20min, after being added dropwise to complete, filters and collects filter cake, washs 3～5 times with 1mol/L hydrochloric acid solution and deionization respectively, preparation
Obtain oxidized graphite flake；Count the most by weight, weigh the oxidized graphite flake of 30～40 parts of above-mentioned preparations, 20～30 parts of Black Warriors respectively
Rock fiber and 10～15 parts of gamma-aminopropyl-triethoxy-silanes are placed in ball grinder, by the 250～300r/min slow ball millings of speed
3～5h, after ball milling completes, it is placed at 65～80 DEG C and is dried 6～8h, mill subsequently and sieve, being prepared into 120～150
Mesh modification mixed-powder；Count the most by weight, respectively by 40～45 parts of polyvinyl alcohol, 40～45 parts of Polyethylene Glycol, 10～
The modified mixed-powder of 15 parts of above-mentioned preparations and 3～5 parts of emulsion acrylic resins are placed in conical flask, and stirring mixing is placed in
Oil bath heating 1～2h at 95～100 DEG C, to be heated complete after, stand and be cooled to room temperature and it is filtered, collect filter cake and also spend
Ionized water washing pH to 7.0, is prepared into polymer beads；Finally fluorgypsum is placed in milling device, grinds under 5～10MPa
Grind and sieve, being prepared into 60～80 mesh fluorgypsum powder, count the most by weight, weighing 60～80 parts of fluorine gypsum powders respectively
End, the polymer beads of 20～30 parts of above-mentioned preparations, 2～3 parts of polyacrylamides, 1～2 part of polyoxyethylene polyoxy propanol amidogen ether, 2
～3 parts of polycarboxylate water-reducers and 50～60 parts of deionized waters are placed in reactor, at 95～100 DEG C mix and blend 10～
15min, to be mixed complete after, collect mixed slurry, be placed in stainless steel mould, at room temperature solidification 10～12h,
It is prepared into a kind of water proof and wearable type gypsum self-leveling material.
Example 1
1:5 the most in mass ratio, mixes graphite flake with the stirring of mass concentration 90% sulfuric acid solution and is placed in there-necked flask, stir
After mixing mixing 15min, then heating in water bath 3h at 50 DEG C, obtain sulphuric acid graphite mixed liquor, count by weight, weigh 50 parts respectively
Sulphuric acid graphite mixed liquor, 5 parts of solid-state ozone, 50 parts of deionized waters and 20 parts of potassium permanganate are placed in flask, under 5 DEG C of ice-water baths
Stirring mixing 3h；After mixing to be mixed completes, to being slowly added dropwise in flask, the quality identical in quality with sulphuric acid graphite mixed liquor is dense
Spending 30% hydrogen peroxide solution, control time for adding is 20min, after being added dropwise to complete, filters and collects filter cake, using 1mol/L respectively
Hydrochloric acid solution and deionization wash 5 times, are prepared into oxidized graphite flake；Count the most by weight, weigh 40 parts of above-mentioned preparations respectively
Oxidized graphite flake, 30 parts of basalt fibres and 15 parts of gamma-aminopropyl-triethoxy-silanes be placed in ball grinder, by 300r/min
Speed slow ball milling 5h, after ball milling completes, is placed at 80 DEG C and is dried 8h, mill subsequently and sieve, being prepared into 150 mesh and change
Property mixed-powder；Count the most by weight, respectively by 45 parts of polyvinyl alcohol, 45 parts of Polyethylene Glycol, the changing of 15 parts of above-mentioned preparations
Property mixed-powder and 5 parts of emulsion acrylic resins be placed in conical flask, stirring mixing is placed at 100 DEG C oil bath heating 2h,
To be heated complete after, stand and be cooled to room temperature and it is filtered, collect filter cake and be also washed with deionized pH to 7.0, be prepared into
Polymer beads；Finally fluorgypsum is placed in milling device, mills under 10MPa and sieve, be prepared into 80 mesh fluorine gypsum powders
End, counts the most by weight, weighs 80 parts of fluorgypsum powder, the polymer beads of 30 parts of above-mentioned preparations, 3 parts of polypropylene respectively
Amide, 2 parts of polyoxyethylene polyoxy propanol amidogen ethers, 3 parts of polycarboxylate water-reducers and 60 parts of deionized waters are placed in reactor, 100
Mix and blend 15min at DEG C, to be mixed complete after, collect mixed slurry, be placed in stainless steel mould, at room temperature solidify
12h, can be prepared into a kind of water proof and wearable type gypsum self-leveling material.
First, before construction, it is necessary to clean base, remove floating ash, greasy dirt and loose matter, to be cleaned after, by above-mentioned system
Standby water proof and wearable type gypsum self-leveling material is placed in massing machine stirring, then utilizes pump to carry out feed, pours in ground
On face, pump output is 2.5m2/ h, joint part can strike off gently, finally it is carried out basic unit's repairing, and ground projection to be polished
Smooth, to repair smooth with putty at depression and crack, after construction, construction area fencing lawn, before ground is the most fully hardened
Must not someone walk.After testing, water proof and wearable type gypsum self-leveling material fluidity prepared by the present invention is 280mm, during hardening
Between be 3h, surface abrasion is 0.14mg/m2。
Example 2
1:5 the most in mass ratio, mixes graphite flake with the stirring of mass concentration 90% sulfuric acid solution and is placed in there-necked flask, stir
After mixing mixing 10min, then heating in water bath 2h at 35 DEG C, obtain sulphuric acid graphite mixed liquor, count by weight, weigh 45 parts respectively
Sulphuric acid graphite mixed liquor, 3 parts of solid-state ozone, 40 parts of deionized waters and 10 parts of potassium permanganate are placed in flask, under 0 DEG C of ice-water bath
Stirring mixing 2h；After mixing to be mixed completes, to being slowly added dropwise in flask, the quality identical in quality with sulphuric acid graphite mixed liquor is dense
Spending 30% hydrogen peroxide solution, control time for adding is 10min, after being added dropwise to complete, filters and collects filter cake, using 1mol/L respectively
Hydrochloric acid solution and deionization wash 3 times, are prepared into oxidized graphite flake；Count the most by weight, weigh 30 parts of above-mentioned preparations respectively
Oxidized graphite flake, 20 parts of basalt fibres and 10 parts of gamma-aminopropyl-triethoxy-silanes be placed in ball grinder, by 250r/min
Speed slow ball milling 3h, after ball milling completes, is placed at 65 DEG C and is dried 6h, mill subsequently and sieve, being prepared into 120 mesh and change
Property mixed-powder；Count the most by weight, respectively by 40 parts of polyvinyl alcohol, 40 parts of Polyethylene Glycol, the changing of 10 parts of above-mentioned preparations
Property mixed-powder and 3 parts of emulsion acrylic resins be placed in conical flask, stirring mixing is placed at 95 DEG C oil bath heating 1h, treats
After having heated, stand and be cooled to room temperature and it is filtered, collect filter cake and be washed with deionized pH to 7.0, being prepared into poly-
Polymer beads；Finally fluorgypsum is placed in milling device, mills under 5MPa and sieve, be prepared into 60 mesh fluorgypsum powder,
Count the most by weight, weigh 60 parts of fluorgypsum powder, the polymer beads of 20 parts of above-mentioned preparations, 2 parts of polyacrylamides respectively
Amine, 1 part of polyoxyethylene polyoxy propanol amidogen ether, 2 parts of polycarboxylate water-reducers and 50 parts of deionized waters are placed in reactor, at 95 DEG C
Mix and blend 10min, to be mixed complete after, collect mixed slurry, be placed in stainless steel mould, at room temperature solidify 10h,
A kind of water proof and wearable type gypsum self-leveling material can be prepared into.
First, before construction, it is necessary to clean base, remove floating ash, greasy dirt and loose matter, to be cleaned after, by above-mentioned system
Standby water proof and wearable type gypsum self-leveling material is placed in massing machine stirring, then utilizes pump to carry out feed, pours in ground
On face, pump output is 2.0m2/ h, joint part can strike off gently, finally it is carried out basic unit's repairing, and ground projection to be polished
Smooth, to repair smooth with putty at depression and crack, after construction, construction area fencing lawn, before ground is the most fully hardened
Must not someone walk.After testing, water proof and wearable type gypsum self-leveling material fluidity prepared by the present invention is 255mm, during hardening
Between be 2h, surface abrasion is 0.10mg/m2。
Example 3
1:5 the most in mass ratio, mixes graphite flake with the stirring of mass concentration 90% sulfuric acid solution and is placed in there-necked flask, stir
After mixing mixing 13min, then heating in water bath 2h at 40 DEG C, obtain sulphuric acid graphite mixed liquor, count by weight, weigh 47 parts respectively
Sulphuric acid graphite mixed liquor, 4 parts of solid-state ozone, 45 parts of deionized waters and 15 parts of potassium permanganate are placed in flask, under 3 DEG C of ice-water baths
Stirring mixing 2h；After mixing to be mixed completes, to being slowly added dropwise in flask, the quality identical in quality with sulphuric acid graphite mixed liquor is dense
Spending 30% hydrogen peroxide solution, control time for adding is 10min, after being added dropwise to complete, filters and collects filter cake, using 1mol/L respectively
Hydrochloric acid solution and deionization wash 4 times, are prepared into oxidized graphite flake；Count the most by weight, weigh 35 parts of above-mentioned preparations respectively
Oxidized graphite flake, 25 parts of basalt fibres and 13 parts of gamma-aminopropyl-triethoxy-silanes be placed in ball grinder, by 270r/min
Speed slow ball milling 4h, after ball milling completes, is placed at 70 DEG C and is dried 7h, mill subsequently and sieve, being prepared into 130 mesh and change
Property mixed-powder；Count the most by weight, respectively by 43 parts of polyvinyl alcohol, 43 parts of Polyethylene Glycol, the changing of 12 parts of above-mentioned preparations
Property mixed-powder and 4 parts of emulsion acrylic resins be placed in conical flask, stirring mixing is placed at 97 DEG C oil bath heating 1h, treats
After having heated, stand and be cooled to room temperature and it is filtered, collect filter cake and be washed with deionized pH to 7.0, being prepared into poly-
Polymer beads；Finally fluorgypsum is placed in milling device, mills under 7MPa and sieve, be prepared into 70 mesh fluorgypsum powder,
Count the most by weight, weigh 70 parts of fluorgypsum powder, the polymer beads of 25 parts of above-mentioned preparations, 2 parts of polyacrylamides respectively
Amine, 1 part of polyoxyethylene polyoxy propanol amidogen ether, 2 parts of polycarboxylate water-reducers and 55 parts of deionized waters are placed in reactor, at 97 DEG C
Mix and blend 13min, to be mixed complete after, collect mixed slurry, be placed in stainless steel mould, at room temperature solidify 11h,
A kind of water proof and wearable type gypsum self-leveling material can be prepared into.
First, before construction, it is necessary to clean base, remove floating ash, greasy dirt and loose matter, to be cleaned after, by above-mentioned system
Standby water proof and wearable type gypsum self-leveling material is placed in massing machine stirring, then utilizes pump to carry out feed, pours in ground
On face, pump output is 2.3m2/ h, joint part can strike off gently, finally it is carried out basic unit's repairing, and ground projection to be polished
Smooth, to repair smooth with putty at depression and crack, after construction, construction area fencing lawn, before ground is the most fully hardened
Must not someone walk.After testing, water proof and wearable type gypsum self-leveling material fluidity prepared by the present invention is 270mm, during hardening
Between be 2h, surface abrasion is 0.12mg/m2。
Claims (1)
1. the preparation method of a water proof and wearable type gypsum self-leveling material, it is characterised in that concrete preparation process is:
(1) 1:5 in mass ratio, mixes graphite flake with the stirring of mass concentration 90% sulfuric acid solution and is placed in there-necked flask, stirring
After mixing 10～15min, then heating in water bath 2～3h at 35～50 DEG C, obtain sulphuric acid graphite mixed liquor, count by weight, point
Another name amount 45～50 portions of sulphuric acid graphite mixed liquors, 3～5 parts of solid-state ozone, 40～50 parts of deionized waters and 10～20 parts of permanganic acid
Potassium is placed in flask, stirring mixing 2～3h under 0～5 DEG C of ice-water bath；
(2) after mixing to be mixed completes, to flask is slowly added dropwise the mass concentration 30% identical in quality with sulphuric acid graphite mixed liquor
Hydrogen peroxide solution, controlling time for adding is 10～20min, after being added dropwise to complete, filters and collects filter cake, using 1mol/L salt respectively
Acid solution and deionization wash 3～5 times, are prepared into oxidized graphite flake；
(3) count by weight, respectively weigh the oxidized graphite flake of 30～40 parts of above-mentioned preparations, 20～30 parts of basalt fibres and
10～15 parts of gamma-aminopropyl-triethoxy-silanes are placed in ball grinder, by the 250～300r/min slow ball millings of speed 3～5h, treat
After ball milling completes, it is placed at 65～80 DEG C and is dried 6～8h, mill subsequently and sieve, be prepared into 120～150 mesh modifications and mix
Close powder；
(4) count by weight, respectively by 40～45 parts of polyvinyl alcohol, 40～45 parts of Polyethylene Glycol, 10～15 parts of above-mentioned preparations
Modified mixed-powder and 3～5 parts of emulsion acrylic resins be placed in conical flask, stirring mixing be placed at 95～100 DEG C
Oil bath heating 1～2h, to be heated complete after, stand and be cooled to room temperature and it is filtered, collect filter cake and be also washed with deionized
PH to 7.0, is prepared into polymer beads；
(5) fluorgypsum is placed in milling device, mills under 5～10MPa and sieve, be prepared into 60～80 mesh fluorine gypsum powders
End, counts the most by weight, weigh respectively 60～80 parts of fluorgypsum powder, the polymer beads of 20～30 parts of above-mentioned preparations, 2
～3 parts of polyacrylamides, 1～2 part of polyoxyethylene polyoxy propanol amidogen ether, 2～3 parts of polycarboxylate water-reducers and 50～60 parts of deionizations
Water is placed in reactor, mix and blend 10～15min at 95～100 DEG C, to be mixed complete after, collect mixed slurry, by it
It is placed in stainless steel mould, at room temperature solidification 10～12h, a kind of water proof and wearable type gypsum self-leveling material can be prepared into.
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| CN107118542A (en) * | 2017-05-18 | 2017-09-01 | 宿州市逢源生物科技有限公司 | A kind of biomass-based fire-retardant hard polyurethane foam insulation material and preparation method thereof |
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| CN101121591A (en) * | 2007-07-11 | 2008-02-13 | 湖北中科博策新材料研究院 | Self-leveling mortar |
| CN101121595A (en) * | 2007-07-11 | 2008-02-13 | 湖北中科博策新材料研究院 | Preparation for environmental protection energy-saving building base material by modifying AHF industrial residue-fluorgypsum and technique thereof |
| CN101428998A (en) * | 2008-12-09 | 2009-05-13 | 乔建星 | Formula and process for producing gravity flow flat ground material with waste slag of fluorine gypsum |
| CN102295450A (en) * | 2011-07-28 | 2011-12-28 | 太原理工大学 | Self-levelling gypsum mortar with high wear resistance |
| CN103922687A (en) * | 2014-04-18 | 2014-07-16 | 河南师范大学 | Graphene oxide enhanced gypsum composite material and preparation method thereof |
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| CN107118542A (en) * | 2017-05-18 | 2017-09-01 | 宿州市逢源生物科技有限公司 | A kind of biomass-based fire-retardant hard polyurethane foam insulation material and preparation method thereof |
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