Rajeswari Sen

4 Questions 5 Answers 0 Followers

Questions related from Rajeswari Sen

How do you render nanocellulose fiber films (nanopaper) transparent?

Despite owing to their nano sizes (diametric), cnf paper are still translucent or only have contact transparency. How do you make these films more transparent?

03 February 2023 8,817 6 View

Why is my CNF wet film sticking to filter membrane and not forming a sheet after filtration?

I am filtering a CNF slurry of 0.1 wt% concentration through a mixed cellulose ester membrane under vacuum. The CNF is extracted from hemp fiber through a series of alkaline and acid treatments...

14 November 2022 2,265 0 View

How much should be my concentration of CNF (Cellulose nanofiber) to make a clear transparent paper by filtration?

I am using hemp fibers to make a CNF solution; how much should be the concentration to vacuum filter and get a transparent nanopaper?

25 September 2022 5,731 5 View

How could I fix or prepare thin-film sample holder for UV-Vis Spectroscopy. It is a transparent cellulose paper and I would like to test it for UV?

It is a transparent cellulose paper, and I am looking for advice on preparing a sample holder for it. Also, if I fix it to a substrate, per se, glass or ITO. Would it not take the transmittance of...

15 August 2022 6,423 0 View