CN108926910A - A kind of preparation method of antistatic combined filtration scavenging material - Google Patents
A kind of preparation method of antistatic combined filtration scavenging material Download PDFInfo
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- CN108926910A CN108926910A CN201810872946.5A CN201810872946A CN108926910A CN 108926910 A CN108926910 A CN 108926910A CN 201810872946 A CN201810872946 A CN 201810872946A CN 108926910 A CN108926910 A CN 108926910A
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- mica powder
- filter cloth
- polyurethane
- scavenging material
- coupling agent
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- 239000000463 material Substances 0.000 title claims abstract description 38
- 238000001914 filtration Methods 0.000 title claims abstract description 35
- 230000002000 scavenging effect Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000010445 mica Substances 0.000 claims abstract description 58
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 58
- 239000000843 powder Substances 0.000 claims abstract description 58
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 229920002635 polyurethane Polymers 0.000 claims abstract description 40
- 239000004814 polyurethane Substances 0.000 claims abstract description 40
- 239000007822 coupling agent Substances 0.000 claims abstract description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 26
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000011780 sodium chloride Substances 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 12
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 12
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 229940113088 dimethylacetamide Drugs 0.000 claims abstract description 10
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 10
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000007590 electrostatic spraying Methods 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 9
- 238000004090 dissolution Methods 0.000 claims description 9
- 235000019441 ethanol Nutrition 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 9
- 238000003760 magnetic stirring Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000009210 therapy by ultrasound Methods 0.000 claims description 9
- 150000002118 epoxides Chemical class 0.000 claims description 8
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 8
- GROMGGTZECPEKN-UHFFFAOYSA-N sodium metatitanate Chemical class [Na+].[Na+].[O-][Ti](=O)O[Ti](=O)O[Ti]([O-])=O GROMGGTZECPEKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 abstract description 3
- IQXJCCZJOIKIAD-UHFFFAOYSA-N 1-(2-methoxyethoxy)hexadecane Chemical compound CCCCCCCCCCCCCCCCOCCOC IQXJCCZJOIKIAD-UHFFFAOYSA-N 0.000 abstract 1
- 229950009789 cetomacrogol 1000 Drugs 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention provides a kind of preparation methods of antistatic combined filtration scavenging material, including following preparation step: (1) industrial filter cloth being soaked in bisphenol A type epoxy resin, cetomacrogol 1000, polyethylene glycol 2000 and diethylenetriamine mixed liquor, dried for standby after immersion；(2) drying is taken out after infiltrating conductive mica powder with coupling agent；(3) dimethyl acetamide and polyurethane are sufficiently dissolved, conductive mica powder, sodium chloride and dispersing agent is added and is sufficiently mixed, is ultrasonically treated, electrostatic spinning is sprayed into industrial filter cloth surface；(4) glass fibre is subjected to thermo-compression bonding on hot-press arrangement with the industrial filter cloth sprayed to obtain the final product.Material filtration resistance power produced by the present invention is small, and filter efficiency is high and has certain antistatic property.
Description
Technical field
The present invention relates to filtering material field, in particular to a kind of preparation method of antistatic combined filtration scavenging material.
Background technique
Filter suffers from extensively in multiple fields such as microelectronics, process industry, hospital, food, environmental protection industry, cosmetic industries
Application, traditional filtering material mainly includes glass fibre, asbestos fibre, polyethylene terephthalate and polyacrylonitrile synthetic fibers
Equal synthetic fibers.There are many disadvantages in its performance of traditional filtering material is easy to produce electrostatic if strainability is not good enough,
Influence the strainability of fiber.Conductive fiber can be very good to solve electrostatic problem, and the electric conductivity of conductive fiber is based primarily upon certainly
By electronics, therefore without Humidity Dependence.Conductive fiber refers generally in temperature be 20 DEG C, the standard state that relative humidity is 25%
Under, specific resistance is less than 108 The fiber of Ω cm, it has the function of conductive, electric heating and electromagnetic radiation resistant etc. simultaneously.In the present invention
Conductive mica powder is deposited on to the surface of filter cloth using Electrostatic Spray Technology, then by glass fibre and surface treated industry
Filter cloth is hot-forming, has been prepared that filtration resistance is small, and filter efficiency is high and scavenging material with certain antistatic property.
Summary of the invention
Technical problems to be solved:
The object of the present invention is to provide a kind of preparation method of antistatic combined filtration scavenging material, the filtration of material being prepared
Resistance is small, and filter efficiency is high and has certain antistatic property.
Technical solution:
The present invention provides a kind of preparation methods of antistatic combined filtration scavenging material, including following preparation step:
(1) 16. 0 g bisphenol A type epoxy resins are taken, it is molten in 18. 0 g cetomacrogol 1000s and 14. 0 g polyethylene glycol 2000s
Melt in mixture and dissolve, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry industrial filter cloth is immersed
It is taken out after being impregnated in solution, it is stand-by in 55-75 DEG C of freeze-day with constant temperature 1-3h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, be dried in drying box；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
1-3h is dissolved, is then heated to 50-70 DEG C, is stirred continuously until polyurethane all dissolutions, are added the Conductive mica in step (2)
Powder 0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 6-10h, keep conductive mica powder sufficiently mixed
Enter in polyurethane, electrostatic spinning will be carried out after the uniformly mixed molten right ultrasonic treatment 10-30min of mica powder/polyurethane, used
29G syringe needle, the industrial filter cloth surface in electrostatic spraying to step (1), the sample after spraying is in 60-80 DEG C of freeze-day with constant temperature 2-6h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Preferably, the preparation method of a kind of antistatic combined filtration scavenging material, the double A type in step (1)
The epoxide number of epoxy resin is 0. 41.
Preferably, the preparation method of a kind of antistatic combined filtration scavenging material, the soaking time in step (1)
For 2-6min.
Preferably, the preparation method of a kind of antistatic combined filtration scavenging material, drying temperature is in step (2)
95-115 DEG C, drying time 20-40min.
Preferably, the preparation method of a kind of antistatic combined filtration scavenging material, electrostatic spraying in step (3)
Condition is spraying spacing 10cm, 18 kV of spray voltage.
The utility model has the advantages that
(1) conductive mica powder is deposited on the surface of filter cloth using Electrostatic Spray Technology by the present invention, then by glass fibre and is passed through
The industrial filter cloth of surface treatment is hot-forming, and it is small to be prepared filtration resistance, and filter efficiency is high simultaneously to have certain antistatic property
The scavenging material of energy.
(2) scavenging material prepared in the present invention is made of heat-resisting material glass fibre and industrial filter cloth filter layer, material
Expect that preparation cost is low, has excellent performance, widely used, resistivity is only 4.78 × 106Ω m, filter efficiency can achieve
99.93%。
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit this in any way
Invention.
Embodiment 1
(1) 16. 0 g bisphenol A type epoxy resins are taken, epoxide number is 0. 41, in 18. 0 g cetomacrogol 1000s and 14. 0 g
It is dissolved in polyethylene glycol 2000 molten mixture, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry
Industrial filter cloth immerse solution in impregnate 6min after take out, it is stand-by in 55 DEG C of freeze-day with constant temperature 3h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 95 DEG C of dry 40min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
1h is dissolved, is then heated to 70 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 6h, conductive mica powder is made to be thoroughly mixed into poly- ammonia
In ester, electrostatic spinning will be carried out after the molten right ultrasonic treatment 30min of mica powder/polyurethane that will be uniformly mixed, using 29G syringe needle,
Spraying spacing is 10cm, and spray voltage is industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, after spraying
Sample in 60 DEG C of freeze-day with constant temperature 6h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Embodiment 2
(1) 16. 0 g bisphenol A type epoxy resins are taken, epoxide number is 0. 41, in 18. 0 g cetomacrogol 1000s and 14. 0 g
It is dissolved in polyethylene glycol 2000 molten mixture, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry
Industrial filter cloth immerse solution in impregnate 2min after take out, it is stand-by in 75 DEG C of freeze-day with constant temperature 1h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 115 DEG C of dry 20min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
3h is dissolved, is then heated to 50 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 10h, are thoroughly mixed into conductive mica powder poly-
In urethane, electrostatic spinning will be carried out after the molten right ultrasonic treatment 10min of mica powder/polyurethane that will be uniformly mixed, using 29G syringe needle,
It is 10cm in spraying spacing, spray voltage is industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, spraying
Sample afterwards is in 80 DEG C of freeze-day with constant temperature 2h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Embodiment 3
(1) 16. 0 g bisphenol A type epoxy resins are taken, epoxide number is 0. 41, in 18. 0 g cetomacrogol 1000s and 14. 0 g
It is dissolved in polyethylene glycol 2000 molten mixture, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry
Industrial filter cloth immerse solution in impregnate 5min after take out, it is stand-by in 60 DEG C of freeze-day with constant temperature 2.5h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 100 DEG C of dry 35min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
1.5h is dissolved, is then heated to 65 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 7h, conductive mica powder is made to be thoroughly mixed into poly- ammonia
In ester, electrostatic spinning will be carried out after the molten right ultrasonic treatment 25min of mica powder/polyurethane that will be uniformly mixed, using 29G syringe needle,
Spraying spacing is 10cm, and spray voltage is industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, after spraying
Sample in 65 DEG C of freeze-day with constant temperature 5h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Embodiment 4
(1) 16. 0 g bisphenol A type epoxy resins are taken, epoxide number is 0. 41, in 18. 0 g cetomacrogol 1000s and 14. 0 g
It is dissolved in polyethylene glycol 2000 molten mixture, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, drying
Industrial filter cloth immerses in solution to be taken out after immersion 3min, stand-by in 70 DEG C of freeze-day with constant temperature 1.5h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 110 DEG C of dry 25min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
2.5h is dissolved, is then heated to 55 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 9h, conductive mica powder is made to be thoroughly mixed into poly- ammonia
In ester, electrostatic spinning will be carried out after the molten right ultrasonic treatment 15min of mica powder/polyurethane that will be uniformly mixed, using 29G syringe needle,
Spraying spacing is 10cm, and spray voltage is industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, after spraying
Sample in 75 DEG C of freeze-day with constant temperature 3h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Embodiment 5
(1) 16. 0 g bisphenol A type epoxy resins are taken, epoxide number is 0. 41, in 18. 0 g cetomacrogol 1000s and 14. 0 g
It is dissolved in polyethylene glycol 2000 molten mixture, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry
Industrial filter cloth immerse solution in impregnate 4min after take out, it is stand-by in 65 DEG C of freeze-day with constant temperature 2h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 105 DEG C of dry 30min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
2h is dissolved, is then heated to 60 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 8h, conductive mica powder is made to be thoroughly mixed into poly- ammonia
In ester, electrostatic spinning will be carried out after the molten right ultrasonic treatment 20min of mica powder/polyurethane that will be uniformly mixed, using 29G syringe needle,
Spraying spacing is 10cm, and spray voltage is industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, after spraying
Sample in 70 DEG C of freeze-day with constant temperature 4h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Comparative example 1
This comparative example is not the difference from embodiment 1 is that add sodium chloride in step (3).Specifically:
(1) 16. 0 g bisphenol A type epoxy resins are taken, epoxide number is 0. 41, in 18. 0 g cetomacrogol 1000s and 14. 0 g
It is dissolved in polyethylene glycol 2000 molten mixture, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry
Industrial filter cloth immerse solution in impregnate 6min after take out, it is stand-by in 55 DEG C of freeze-day with constant temperature 3h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 95 DEG C of dry 40min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
1h is dissolved, is then heated to 70 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 6h, are thoroughly mixed into conductive mica powder in polyurethane, will mix
Electrostatic spinning is carried out after the molten right ultrasonic treatment 30min of uniform mica powder/polyurethane, using 29G syringe needle, is in spraying spacing
10cm, spray voltage are industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, and the sample after spraying is 60
DEG C freeze-day with constant temperature 6h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
Comparative example 2
Industrial filter cloth the difference from embodiment 1 is that be soaked in acrylic resin by this comparative example in step (1).Specifically
It is:
(1) it being taken out after cleaning, impregnating 6min in dry industrial filter cloth immersion acrylic resin soln, is done in 55 DEG C of constant temperature
Dry 3h is stand-by；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, in 95 DEG C of dry 40min；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
1h is dissolved, is then heated to 70 DEG C, is stirred continuously until polyurethane all dissolutions, are added the conductive mica powder in step (2)
0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 6h, conductive mica powder is made to be thoroughly mixed into poly- ammonia
In ester, electrostatic spinning will be carried out after the molten right ultrasonic treatment 30min of mica powder/polyurethane that will be uniformly mixed, using 29G syringe needle,
Spraying spacing is 10cm, and spray voltage is industrial filter cloth surface of the electrostatic spraying into step (1) under conditions of 18kV, after spraying
Sample in 60 DEG C of freeze-day with constant temperature 6h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
The material being prepared in embodiment 1-5 and comparative example 1-2 is tested for the property:
Resistivity measurement is tested with ZC36 type megger.
Strainability test uses dead end suction method, and forward and backward turbid turbidity value is filtered in measurement, calculates filtering effect by lower examination
Rate:
；Wherein C1 and C2 is respectively the turbidity value for filtering forward and backward turbid, unit mg/L.
Test result see the table below:
By test result it is found that the antistatic combined filtration scavenging material that the present invention is prepared, has good antistatic property
Energy and strainability.The preparation method prepared in embodiment 5 is best preparation method of the invention, by preparation side in embodiment 5
The antistatic combined filtration scavenging material resistivity that method is prepared is only 4.78 × 106Ω m, filter efficiency are up to
99.93%。
Sodium chloride, which is added, can increase conductivity, not add sodium chloride in 1 step of comparative example (3), antistatic effect goes out
Existing conspicuousness decline, resistivity reach 5.87 × 1010Ω m, but sodium chloride does not have a significant impact to its strainability, mistake
Filter efficiency 95.01%.
The bisphenol A type epoxy resin used in step (1) of the present invention is the polymer with three dimensional skeletal structure, Ke Yizeng
The absorption property of strong industrial filter cloth.Acrylic resin is used in comparative example 2, then the effect is not achieved.It is prepared in comparative example 2
Material, filter efficiency is only 86.92%.
Claims (5)
1. a kind of preparation method of antistatic combined filtration scavenging material, which is characterized in that including following preparation step:
(1) 16. 0 g bisphenol A type epoxy resins are taken, it is molten in 18. 0 g cetomacrogol 1000s and 14. 0 g polyethylene glycol 2000s
Melt in mixture and dissolve, adds 4. 0 g diethylenetriamines and be sufficiently mixed uniformly, clean, dry industrial filter cloth is immersed
It is taken out after being impregnated in solution, it is stand-by in 55-75 DEG C of freeze-day with constant temperature 1-3h；
(2) KH550 silane coupling agent and ethyl alcohol are made into coupling agent solution according to volume ratio 1:6, conductive mica powder is put into height
Fast mixing and blending machine sprays into coupling agent solution while stirring, until coupling agent solution is by the full and uniform infiltration of conductive mica powder
After take out, be dried in drying box；
(3) 15g dimethyl acetamide is put into four-hole boiling flask first, opens magnetic stirring apparatus, 6g polyurethane, first room temperature is added
1-3h is dissolved, is then heated to 50-70 DEG C, is stirred continuously until polyurethane all dissolutions, are added the Conductive mica in step (2)
Powder 0.2g, 0. 1g of sodium chloride and titanate esters dispersing agent 0.07g are sufficiently stirred, and stir 6-10h, keep conductive mica powder sufficiently mixed
Enter in polyurethane, electrostatic spinning will be carried out after the uniformly mixed molten right ultrasonic treatment 10-30min of mica powder/polyurethane, used
29G syringe needle, the industrial filter cloth surface in electrostatic spraying to step (1), the sample after spraying is in 60-80 DEG C of freeze-day with constant temperature 2-6h；
(4) industrial filter cloth sprayed in glass fibre and step (3) is subjected on hot-press arrangement thermo-compression bonding, sprays filter cloth
Applied mica powder/polyurethane one side be middle layer, roller temperature be 110 DEG C, two roller gaps be 0.3mm to get arrive antistatic
Combined filtration scavenging material.
2. a kind of preparation method of antistatic combined filtration scavenging material according to claim 1, which is characterized in that step
(1) epoxide number of the double A type epoxy resin in is 0. 41.
3. a kind of preparation method of antistatic combined filtration scavenging material according to claim 1, which is characterized in that step
(1) soaking time in is 2-6min.
4. a kind of preparation method of antistatic combined filtration scavenging material according to claim 1, which is characterized in that step
(2) drying temperature is 95-115 DEG C in, drying time 20-40min.
5. a kind of preparation method of antistatic combined filtration scavenging material according to claim 1, which is characterized in that
The condition of electrostatic spraying is spraying spacing 10cm, 18 kV of spray voltage in step (3).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442313A (en) * | 2019-08-29 | 2021-03-05 | 顶级手套国际有限公司 | Gloves with antistatic performance and preparation method thereof |
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