Reem Hazem Elaasar

5 Questions 1 Answers 0 Followers

Questions related from Reem Hazem Elaasar

Why is the uncrosslinked PVA film more crystalline than the chemically crosslinked one?

The swelling and FTIR proved chemical crosslinking of the film' however, the XRD shows that it's more crystalline than the uncrosslinked one. How is that?

11 February 2024 1,628 0 View

How to design the controls?

I want to assess the incorporation of polymer A to a crosslinked polymer B creating a crosslinked polymer B/ polymer A blend so do I set the crosslinker concentration constant according to total...

17 January 2024 1,421 3 View

Must the swelling degree of a polymeric blend be lower than that of each crosslinked polymer alone?

The FTIR spectrum confirms the crosslinking of each polymer as well as of the blend using the same crosslinker; however, the swelling results show an increased degree of swelling of the blend that...

19 November 2023 6,660 2 View

Can glycerol plasticizer increase the swelling index of a polymeric film?

Glycerol is known to increase the water solubility and moisture content of film but how does it affect its swelling degree?

27 October 2023 6,391 3 View

Can the IR peak of an ester shift to a lower region?

The solubility test showed that the polymer has been crosslinked since it didn't dissolve; however, The FTIR spectrum doesn't show the ester peak (which is the proof of crosslinking of my polymer).

25 October 2023 6,930 2 View