Nano-fiber material and salt rejection filtration material
View Patent ↗The invention discloses a nano-fiber material, wherein the nano-fiber material is formed by spinning an ionic polymer into a nano-fiber nonwoven, and the ionic polymer is represented by the formula: wherein: R 1 includes phenyl sulfonate or alkyl sulfonate; R 2 includes R 3 includes and m/n is between 1/50 and 50/1, q≧0.
1. A nano-fiber material, wherein the nano-fiber material is formed by spinning an ionic polymer into a nano-fiber nonwoven, and the ionic polymer is represented by the formula:
wherein:
R 1 comprises phenyl sulfonate or alkyl sulfonate;
R 2 comprises
R 3 comprises
and
m/n is between 1/50 and 50/1, q≧0.
2. The nano-fiber material as claimed in claim 1 , wherein q>0.
3. The nano-fiber material as claimed in claim 1 , wherein q=0.
4. The nano-fiber material as claimed in claim 1 , wherein the nano-fiber nonwoven has a diameter of about 20 nm-700 nm.
5. The nano-fiber material as claimed in claim 4 , wherein the nano-fiber material is made by solution spinning or electrospinning.
6. The nano-fiber material as claimed in claim 4 , wherein the nano-fiber material is applied in salt rejection processes, wastewater treatment, ultra-purified water treatment, water softing or heavy metal wastewater recycling.
7. A salt rejection filtration material, wherein the salt rejection filtration material is formed by spinning an ionic polymer into a nano-fiber nonwoven, and the ionic polymer is represented by the formula:
wherein:
R 1 comprises phenyl sulfonate or alkyl sulfonate;
R 2 comprises
R 3 comprises
and
m/n is between 1/50 and 50/1, q≧0.
8. The salt rejection filtration material as claimed in claim 7 , wherein q>0.
9. The salt rejection filtration material as claimed in claim 7 , wherein q=0.
10. The salt rejection filtration material as claimed in claim 7 , wherein the nano-fiber nonwoven has a diameter of about 20 nm-700 nm.
11. The salt rejection filtration material as claimed in claim 7 , wherein the nano-fiber material is made by solution spinning or electrospinning.