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Material for E-Spinning

Views: Author: Site Editor Publish Time: Origin: Site


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:

Num

Polymer name

Abbreviation

Solvent

1

Polyoxyethylene

PEO

Deionized water

2

Polyvinyl alcohol

PVA

Deionized water

3

Polyvinylpyrrolidone

PVP

Deionized water, Ethanol、DMF

4

Polyvinylidene fluoride

PVDF

DMF、DMAc、(DMF:Acetone=7:3)

5

Polyacrylonitrile

PAN

DMF、DMAc

6

Polycaprolactone

PCL

TCM、DCM、(DCM:DMF=7:3)

7

Polylactic acid

PLA

HFIP、TCM、DCM、(DCM:DMF=7:3)

8

Polyethersulfone

PES

DMF、DMAc

9

Polyurethane

PU

DMF、DMAc

10

Polystyrene

PS

DMF、DMAc、TCM 、THF

11

Polyamide

PA

Formic acid、HFIP

12

Cellulose acetate

CA

(DMF:Acetone=1:2)

(85% Acetone:15% Deionized water)

13

Chitosan

CS

Trifluoroacetic acid, Acetic acid aqueous solution

14

Silk fibroin

SF

HFIP、Formic acid、TFA

15

Collagen

collagen

HFIP、TFE

(2) Common solvent parameters for electrospinning:

Num

Solvent

Density (g/cm3)

Dielectric constant

Boiling point (℃)

Saturated vapor pressure

(kPa)

1

Water

1.0

78.54~80.2

100

2.34 (25℃)

2

Ethanol

0.798

24.55

78.5

5.33 (19℃)

3

DMF

0.945

36.7

153

2.7 (20℃)

4

HFIP

1.596

17.75

58.2

102 (20℃)

5

THF

0.889

7.6

66

21.6 (20℃)

6

TFA

1.535

42.1

72.4

14 (25℃)

7

TFE

1.383

27.5

78

52 (20℃)

8

DCM

1.325

8.9

40

47 (25℃)

9

TCM

1.483

4.81

62

26.2 (25℃)

10

Formic acid

1.22

58.5

100.5

5.33 (24℃)

11

Acetic acid

1.048

6.15

117

1.5 (20℃)

12

Acetone

0.790

20.7

56

30.8 (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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