CN106497252A - Heat-insulated radial pattern coating of the modified fluorine carbon of a kind of atlapulgite and preparation method thereof - Google Patents
Heat-insulated radial pattern coating of the modified fluorine carbon of a kind of atlapulgite and preparation method thereof Download PDFInfo
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- CN106497252A CN106497252A CN201610846245.5A CN201610846245A CN106497252A CN 106497252 A CN106497252 A CN 106497252A CN 201610846245 A CN201610846245 A CN 201610846245A CN 106497252 A CN106497252 A CN 106497252A
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- 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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/24—Trifluorochloroethene
- C08F214/242—Trifluorochloroethene with fluorinated vinyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/24—Trifluorochloroethene
- C08F214/245—Trifluorochloroethene with non-fluorinated comonomers
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
- C09D5/32—Radiation-absorbing paints
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The heat-insulated radial pattern coating of the modified fluorine carbon of a kind of atlapulgite, it is characterised in which is prepared from by the following raw material：CTFE, INFRARED ABSORPTION nano-powder, perfluoro methyl vinyl ether, perfluoro butyl ethyl propylene acid esters, GDMA, ammonium persulfate, 2,5 dimethyl, 2,5 di-t-butyl hexane peroxide, lauric monoglyceride, atlapulgite, hectorite, nano tungsten trioxide, propane diols, butyl acetate, epoxy castor oil, dimethyl silicone polymer, 2 methyl methacrylates, hydroxyethyl cellulose, Lauryl Alcohol ester, phenethyl phenol polyethenoxy ether, appropriate sodium acid carbonate, appropriate deionized water.The heat-insulated radial pattern coating good heat-insulation effect of the modified fluorine carbon of atlapulgite of the invention；And with excellent mechanical performance, excellent adhesive force；Excellent weatherability, resistance to water, stain resistance, abrasion resistance etc.；Safety and environmental protection, applied widely.
Description
Technical field
The present invention relates to a kind of coating, more particularly to a kind of heat-insulated radial pattern coating of the modified fluorine carbon of atlapulgite and its system
Preparation Method.
Background technology
With developing rapidly for China's building trade and becoming increasingly conspicuous for energy crisis, the energy-saving of building is got over
Send out important.The building energy consumption of China accounts for the 27% of national energy aggregate consumption, occupies first of national all kinds of energy consumptions.
The energy consumption of heating and air-conditioning accounts for the 55% of building total energy consumption, but also increases in the speed with annual 1 percentage point.
Because a little, research and develop insulating mold coating for construction and there is great economic benefit, environmental benefit and social benefit.Make in external wall
The original decoration of coating, protection and the function such as mould proof not only can be realized with the coating with heat insulating function, but also make coating
There is heat-insulated function, keep indoor temperature constant, increase the temperature difference of indoor and outdoor, warm energy consumption is reduced in summer, reduced in the winter time
Heat cost.At present, heat-barrier material is just experiencing the transformation to based on heat-insulating heat-insulated from industry, and this is also heat-insulated material from now on
One of main development direction of material.Insulating moulding coating has the disadvantage that in the market：
1st, poor insulation property：The density of glass microballoon or ceramic fine bead is high with respect to borosilicate hollow glass micropearl, thus in phase
With adding under consumption, the coating acquisition dry film heat insultating cavity using glass microballoon or ceramic fine bead is few, and coating thickness is relatively low, adiabatic
Poor performance；
2nd, poor storage stability：Glass microballoon or ceramic fine bead etc. are through surface treatment and density is relatively low, make coating in storage
During easily produce viscosity increase and the phenomenon for floating；
3rd, construct inconvenient：Using glass microballoon or the insulating moulding coating of ceramic fine bead, in order to prevent that floated during storing to show
As, the usual initial viscosity for improving coating, thus higher paint film can only be obtained by the way of blade coating or batch painting during construction
Thickness.
Author Li little Bing et al. exists《The preparation of multifunctional aqueous nano combined insulating mold coating for construction》In one text, with aqueous poly-
Urethane is film forming agent, with well dispersed talcum powder as filler, the rutile titanium dioxide of high reflection, hollow glass micropearl be every
Hot merit energy color stuffing, adds the sericite of high radiance, improves dispersiveness of the Nano filling in coating, system through high speed dispersion
Standby multifunctional aqueous nano composite heat insulation insulating moulding coating；The multifunctional aqueous nano composite heat insulation insulating moulding coating that is developed, its every
Hot excellent thermal insulation performance and the characteristic with high-quality low-cost.
Content of the invention
For the problems referred to above and demand existing for prior art, it is an object of the invention to provide good heat-insulation effect, storage
Stably, heat-insulated radial pattern coating of the modified fluorine carbon of the atlapulgite of easy construction and preparation method thereof.
For achieving the above object, technical scheme is as follows：
The heat-insulated radial pattern coating of the modified fluorine carbon of a kind of atlapulgite, it is characterised in which is prepared by the raw material of following weight portion
Form：200 parts of CTFE, INFRARED ABSORPTION nano-powder 30-40 parts, perfluoro methyl vinyl ether 30-40 parts, perfluoro butyl
Ethyl propylene acid esters 30-40 parts, GDMA 15-20 parts, ammonium persulfate 3-5 parts, 2,5- dimethyl -2,5-
Di-t-butyl hexane peroxide 12-15 parts, lauric monoglyceride 6-8 parts, atlapulgite 15-20 parts, hectorite 8-10 parts, receive
Rice tungstic acid 6-8 parts, propane diols 10-12 parts, butyl acetate 8-10 parts, epoxy castor oil 10-12 parts, dimethyl silicone polymer
12-15 parts, 2- methyl methacrylate 10-12 parts, hydroxyethyl cellulose 8-10 parts, Lauryl Alcohol ester 6-8 parts, phenethyl phenol are gathered
Oxygen vinethene 8-10 parts, appropriate sodium acid carbonate, appropriate deionized water.
The heat-insulated radial pattern coating of the modified fluorine carbon of described atlapulgite, it is characterised in that described INFRARED ABSORPTION nanometer
Powder, is prepared from by the raw material of following weight portion：100 parts of sorbierite, ethylene glycol 60-80 parts, 30 parts of wolframic acid, cesium sulfate 10-
15 parts, appropriate deionized water, appropriate absolute ethyl alcohol；Described INFRARED ABSORPTION nano-powder, is prepared from by following steps：By mountain
Pears alcohol and ethylene glycol heating for dissolving in jacket reactor, adds wolframic acid and cesium sulfate, after high-speed stirred 30-40min, pumps into
Matter machine is circulated and homogenizes, and pumps into product and be heated in 140-150 DEG C of autoclave, by high pressure after 60-80min
Reactor rotating speed is set to 180-200r/min, after above-mentioned material is completely transferred to autoclave, closes each valve of autoclave,
Temperature of reaction kettle is risen to 350 DEG C with the heating rate of 10-15 DEG C/min, and is incubated 10-12h, cool to 140-150 DEG C,
Product is released, deionized water is added thereto to, material is squeezed into filter press, with deionized water, absolute ethanol washing 3-5
Secondary, put filter cake into vacuum drying oven drying, then carry out mechanical crushing and air-flow crushing, that is, obtain INFRARED ABSORPTION nano-powder.
The heat-insulated radial pattern coating of the modified fluorine carbon of described atlapulgite, it is characterised in that described atlapulgite is modified
The heat-insulated radial pattern coating of fluorine carbon its be prepared from by following steps：
（1）Under 10000-12000rpm stirrings, atlapulgite, hectorite, nano tungsten trioxide, propane diols, acetic acid fourth is added
Ester and epoxy castor oil, after stirring, are warming up to 75-80 DEG C under the protection of nitrogen, under 1200-1500rpm stirrings, plus
Enter dimethyl silicone polymer and 2- methyl methacrylates, react 4-6h, wash, dry；
（2）By CTFE, INFRARED ABSORPTION nano-powder, the deionized water equivalent to 10-12 times of CTFE weight portion,
Be added in reactor, sodium acid carbonate added as nertralizer, adjust pH value to 6-7, be subsequently adding perfluoro methyl vinyl ether, complete
Fluorine butyl ethyl acrylate and GDMA, high-speed stirred dispersion and emulsion 40-50min, obtain emulsion droplets
To be polymerized pre-emulsion of the particle diameter less than 800nm；Continue to lead to nitrogen in reactor under high velocity agitation, exclude the oxygen in reactor
Gas concentration under nitrogen atmosphere, makes the emulsion in reactor be warmed up to 60-70 DEG C to below 80ppm, and ammonium persulfate and quite is added dropwise
In the solution of 5-6 times of deionized water configuration of ammonium persulfate weight portion, control in 40-60min completion of dropping, 60-70 DEG C of constant temperature
Reaction 5-8h, is warmed up to 75-85 DEG C and continues reaction 1-2h, cool to 30 DEG C, add sodium acid carbonate, adjust the pH value of emulsion to 6-
7；Add 2,5- dimethyl -2,5- di-t-butyl hexane peroxides, 50-60 DEG C of continuation reaction 6-8h；
（3）To step（2）Product in add lauric monoglyceride, step（1）Product and hydroxyethyl cellulose, with
1800-2000rpm stirs 30-60min；Lauryl Alcohol ester and phenethyl phenol polyethenoxy ether is added, is stirred with 800-1000rpm
40-50min, obtains final product the heat-insulated radial pattern coating of the modified fluorine carbon of atlapulgite.
Application technical scheme, with following technique effect：
The present invention adds INFRARED ABSORPTION nano-powder, using solvent heat liquid phase method technique, with wolframic acid, cesium sulfate production caesium tungsten bronze
INFRARED ABSORPTION nano-powder；Concentrate on 0.78-2.5 mum wavelengths based on 95% of heat energy in sunshine wave band, and caesium tungsten bronze
Lacking oxygen in INFRARED ABSORPTION nano-powder can produce to absorb to the infrared ray of this section of wavelength makes the electron transition of caesium and tungsten paramount
Energy position, produces the reflection and diffraction of light wave luminous energy, enters basic unit so as to separate heat energy, obtains good effect of heat insulation；This
The fluorocarbon resin that invention is obtained with CTFE and perfluoro butyl ethylacrylic acid polyisocyanate polyaddition as film forming agent, then with dimethyl propylene
Olefin(e) acid glycol ester and 2,5- dimethyl -2,5 di-t-butyl hexane peroxides carry out cross-linking modified to fluorocarbon resin, enhance
The toughness and weatherability of coating, improves wearability and the adhesion property of coating；The present invention using activity degree low, not with grease and
There is the filler of the atlapulgite as insulating moulding coating of chemical actions in other chemical substances, then with hectorite and nano tungsten trioxide
Synergy, improves insulating moulding coating chemical resistance and anti-wear performance；The heat-insulated radial pattern coating of fluorine carbon of the present invention every
Thermal effect is good；And with excellent mechanical performance, excellent adhesive force；Excellent weatherability, resistance to water, stain resistance, washable
Brush etc.；Safety and environmental protection, applied widely.
Specific embodiment
The heat-insulated radial pattern coating of the modified fluorine carbon of the atlapulgite of the present embodiment, its prepared by the raw material of following weight portion and
Into：200 parts of CTFE, 40 parts of INFRARED ABSORPTION nano-powder, 30 parts of perfluoro methyl vinyl ether, perfluoro butyl ethyl propylene
30 parts of acid esters, 20 parts of GDMA, 5 parts of ammonium persulfate, 2,5- dimethyl -2,5- di-tert-butyl peroxides oneself
15 parts of alkane, 8 parts of lauric monoglyceride, 20 parts of atlapulgite, 10 parts of hectorite, 8 parts of nano tungsten trioxide, 12 parts of propane diols,
10 parts of butyl acetate, 12 parts of epoxy castor oil, 15 parts of dimethyl silicone polymer, 12 parts of 2- methyl methacrylates, ethoxy are fine
10 parts of dimension element, 8 parts of Lauryl Alcohol ester, 10 parts of phenethyl phenol polyethenoxy ether, appropriate sodium acid carbonate, appropriate deionized water.
The INFRARED ABSORPTION nano-powder of the present embodiment, is prepared from by the raw material of following weight portion：100 parts of sorbierite, second
60 parts of glycol, 30 parts of wolframic acid, 15 parts of cesium sulfate, appropriate deionized water, appropriate absolute ethyl alcohol；Described INFRARED ABSORPTION nano powder
Body, is prepared from by following steps：The heating for dissolving in jacket reactor by sorbierite and ethylene glycol, adds wolframic acid and sulfuric acid
Caesium, after high-speed stirred 40min, pumps into homogenizer and is circulated and homogenize, pump into product and be heated to 150 DEG C after 80min
In autoclave, autoclave rotating speed is set to 200r/min, after above-mentioned material is completely transferred to autoclave, is closed high
Temperature of reaction kettle is risen to 350 DEG C with the heating rate of 15 DEG C/min, and is incubated 12h, cooled to by each valve of pressure reactor
150 DEG C, product is released, deionized water is added thereto to, material is squeezed into filter press, washed with deionized water, absolute ethyl alcohol
Wash 5 times, put filter cake into vacuum drying oven drying, then carry out mechanical crushing and air-flow crushing, that is, obtain INFRARED ABSORPTION nano-powder.
The heat-insulated radial pattern coating of the modified fluorine carbon of the atlapulgite of the present embodiment its be prepared from by following steps：
（1）Under 12000rpm stirrings, atlapulgite, hectorite, nano tungsten trioxide, propane diols, butyl acetate and ring is added
Oxygen castor oil, after stirring, is warming up to 80 DEG C under the protection of nitrogen, under 1500rpm stirrings, adds polydimethylsiloxanes
Alkane and 2- methyl methacrylates, react 6h, wash, dry；
（2）By CTFE, INFRARED ABSORPTION nano-powder, the deionized water equivalent to 12 times of CTFE weight portion, plus
To in reactor, sodium acid carbonate is added as nertralizer, adjust pH value to 6-7, be subsequently adding perfluoro methyl vinyl ether, perfluor
Butyl ethyl acrylate and GDMA, high-speed stirred dispersion and emulsion 50min, obtain emulsion droplets particle diameter little
Pre-emulsion to be polymerized in 800nm；Continue to lead to nitrogen in reactor under high velocity agitation, exclude the oxygen concentration in reactor
To below 80ppm, under nitrogen atmosphere, make the emulsion in reactor be warmed up to 70 DEG C, ammonium persulfate is added dropwise and equivalent to persulfuric acid
The solution of the deionized water configuration that 6 times of ammonium weight portion, controls in 60min completion of dropping, 70 DEG C of isothermal reaction 8h, is warmed up to 85 DEG C
Continue reaction 2h, cool to 30 DEG C, add sodium acid carbonate, the pH value of emulsion is adjusted to 6-7；Add 2,5- dimethyl -2,5- two
Tert-butyl hydroperoxide hexane, 60 DEG C are continued reaction 8h；
（3）To step（2）Product in add lauric monoglyceride, step（1）Product and hydroxyethyl cellulose, with
2000rpm stirs 60min；Lauryl Alcohol ester and phenethyl phenol polyethenoxy ether is added, 50min is stirred with 1000rpm, work is obtained final product
The property heat-insulated radial pattern coating of the modified fluorine carbon of carclazyte.
After tested, the temperature difference of coating both sides is more than 10 DEG C, and heat-insulated rate is more than 85%.
Claims (3)
1. a kind of heat-insulated radial pattern coating of the modified fluorine carbon of atlapulgite, it is characterised in that its raw material system by following weight portion
Standby form：200 parts of CTFE, INFRARED ABSORPTION nano-powder 30-40 parts, perfluoro methyl vinyl ether 30-40 parts, perfluor fourth
Base ethyl propylene acid esters 30-40 parts, GDMA 15-20 parts, ammonium persulfate 3-5 parts, 2,5- dimethyl -2,
5- di-t-butyl hexane peroxide 12-15 parts, lauric monoglyceride 6-8 parts, atlapulgite 15-20 parts, hectorite 8-10 parts,
Nano tungsten trioxide 6-8 parts, propane diols 10-12 parts, butyl acetate 8-10 parts, epoxy castor oil 10-12 parts, polydimethylsiloxanes
Alkane 12-15 parts, 2- methyl methacrylate 10-12 parts, hydroxyethyl cellulose 8-10 parts, Lauryl Alcohol ester 6-8 parts, phenethyl phenol
APEO 8-10 parts, appropriate sodium acid carbonate, appropriate deionized water.
2. the heat-insulated radial pattern coating of the modified fluorine carbon of atlapulgite according to claim 1, it is characterised in that described is red
Outer absorption nano-powder, is prepared from by the raw material of following weight portion：100 parts of sorbierite, ethylene glycol 60-80 parts, 30 parts of wolframic acid,
Cesium sulfate 10-15 parts, appropriate deionized water, appropriate absolute ethyl alcohol；Described INFRARED ABSORPTION nano-powder, is prepared by following steps
Form：The heating for dissolving in jacket reactor by sorbierite and ethylene glycol, adds wolframic acid and cesium sulfate, high-speed stirred 30-40min
Afterwards, pump into homogenizer and be circulated and homogenize, product is pumped into after 60-80min the autoclave for being heated to 140-150 DEG C
In, autoclave rotating speed is set to 180-200r/min, after above-mentioned material is completely transferred to autoclave, reaction under high pressure is closed
Temperature of reaction kettle is risen to 350 DEG C with the heating rate of 10-15 DEG C/min, and is incubated 10-12h, cooled to by each valve of kettle
140-150 DEG C, product is released, deionized water is added thereto to, material is squeezed into filter press, with deionized water, anhydrous second
Alcohol is washed 3-5 time, is put filter cake into vacuum drying oven drying, then is carried out mechanical crushing and air-flow crushing, that is, obtains INFRARED ABSORPTION and receive
Ground rice body.
3. the heat-insulated radial pattern coating of the modified fluorine carbon of atlapulgite according to claim 1, it is characterised in that described work
The heat-insulated radial pattern coating of the property modified fluorine carbon of carclazyte its be prepared from by following steps：
（1）Under 10000-12000rpm stirrings, atlapulgite, hectorite, nano tungsten trioxide, propane diols, acetic acid fourth is added
Ester and epoxy castor oil, after stirring, are warming up to 75-80 DEG C under the protection of nitrogen, under 1200-1500rpm stirrings, plus
Enter dimethyl silicone polymer and 2- methyl methacrylates, react 4-6h, wash, dry；
（2）By CTFE, INFRARED ABSORPTION nano-powder, the deionized water equivalent to 10-12 times of CTFE weight portion,
Be added in reactor, sodium acid carbonate added as nertralizer, adjust pH value to 6-7, be subsequently adding perfluoro methyl vinyl ether, complete
Fluorine butyl ethyl acrylate and GDMA, high-speed stirred dispersion and emulsion 40-50min, obtain emulsion droplets
To be polymerized pre-emulsion of the particle diameter less than 800nm；Continue to lead to nitrogen in reactor under high velocity agitation, exclude the oxygen in reactor
Gas concentration under nitrogen atmosphere, makes the emulsion in reactor be warmed up to 60-70 DEG C to below 80ppm, and ammonium persulfate and quite is added dropwise
In the solution of 5-6 times of deionized water configuration of ammonium persulfate weight portion, control in 40-60min completion of dropping, 60-70 DEG C of constant temperature
Reaction 5-8h, is warmed up to 75-85 DEG C and continues reaction 1-2h, cool to 30 DEG C, add sodium acid carbonate, adjust the pH value of emulsion to 6-
7；Add 2,5- dimethyl -2,5- di-t-butyl hexane peroxides, 50-60 DEG C of continuation reaction 6-8h；
（3）To step（2）Product in add lauric monoglyceride, step（1）Product and hydroxyethyl cellulose, with
1800-2000rpm stirs 30-60min；Lauryl Alcohol ester and phenethyl phenol polyethenoxy ether is added, is stirred with 800-1000rpm
40-50min, obtains final product the heat-insulated radial pattern coating of the modified fluorine carbon of atlapulgite.
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| CN107383263A (en) * | 2017-08-04 | 2017-11-24 | 安徽博泰氟材料科技有限公司 | Water-based fluororesin coating and its preparation technology |
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