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Electrospinning is basically the drafting of polymer fluid. Many different types of polymers can be used for electrospinning to prepare fibers. The material used for electrospinning depends on the target application, material spinnability, material cost, solvent safety and solvent cost etc.(1) Commonly used electrospinning polymers and solvents used:NumPolymer nameAbbreviationSolvent1PolyoxyethylenePEODeionized water2Polyvinyl alcoholPVADeionized water3PolyvinylpyrrolidonePVPDeionized water, Ethanol、DMF4Polyvinylidene fluoridePVDFDMF、DMAc、（DMF：Acetone=7:3）5PolyacrylonitrilePANDMF、DMAc6PolycaprolactonePCLTCM、DCM、（DCM：DMF=7:3）7Polylactic acidPLAHFIP、TCM、DCM、（DCM：DMF=7:3）8PolyethersulfonePESDMF、DMAc9PolyurethanePUDMF、DMAc10PolystyrenePSDMF、DMAc、TCM 、THF11PolyamidePAFormic acid、HFIP12Cellulose acetateCA（DMF：Acetone=1:2）（85% Acetone：15% Deionized water）13ChitosanCSTrifluoroacetic acid, Acetic acid aqueous solution14Silk fibroinSFHFIP、Formic acid、TFA15CollagencollagenHFIP、TFE(2) Common solvent parameters for electrospinning:NumSolventDensity (g/cm3)Dielectric constantBoiling point (℃)Saturated vapor pressure(kPa)1Water1.078.54~80.21002.34 (25℃)2Ethanol0.79824.5578.55.33 (19℃)3DMF0.94536.71532.7 (20℃)4HFIP1.59617.7558.2102 (20℃)5THF0.8897.66621.6 (20℃)6TFA1.53542.172.414 (25℃)7TFE1.38327.57852 (20℃)8DCM1.3258.94047 (25℃)9TCM1.4834.816226.2 (25℃)10Formic acid1.2258.5100.55.33 (24℃)11Acetic acid1.0486.151171.5 (20℃)12Acetone0.79020.75630.8 (25℃)(3) Electrospinning materials commonly used in different applications:a. Air filtration/water filtration: PVDF, PAN, PA, PES, PU, PLA, PS, etc.b. Biomedicine: PEO, PCL, PLGA, PLA, collagen, silk fibroin, hyaluronic acid, chitosan, chitin, etc.c Battery separator:. PI, PEI, PVDF, PMIA, etc.d. Waterproof and breathable: PU, PVDF, etc.e. Carbon nanofiber: PAN, PVP, etc.f. Inorganic nanofiber spinning aid materials: PVA, PVP, etc.g. Adsorption separation: CA, PAN, chitosan, etc. (4) Electrospinning commonly used receiving substrate:Aluminum foil paper, release paper, glossy paper, spunbond cloth, melt blown cloth, plastic screen, wood pulp fiber paper, etc.
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This column introduces some basic technical problems and equipment problems frequently encountered by novices in electrospinning.
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This column introduces spinning solutions for various electrospinning materials, including material and instrument selection, spinning process parameter settings, common spinning problems and solutions.
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This column introduces the mass production schemes of various electrospinning products, including raw material selection, nanofiber batch spinning equipment schemes, and product molding schemes.
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This column introduces the research and application cases of electrospinning technology in various emerging fields.
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