Arif Shahul Hameed

11 Questions 11 Answers 0 Followers

Questions related from Arif Shahul Hameed

Can anyone help me to find a research lab for testing the hydroxide ion conductivity of polymer anion exchange membrane?

I am working on the fabrication of polymer anion exchange membrane for fuel cell application. I need to check the hydroxide ion conductivity of the polymer membrane at different temperatures and...

04 June 2025 3,161 0 View

What is the name of the reaction between aldehyde and alcohol?

Reaction between aldehyde and polyvinyl alcohol results a polymer with acetal linkage.what is the name of the reaction ( naming reaction).any perticular name for this reaction other than...

10 October 2024 1,993 0 View

Precipitation of bisphenol based polymer ?

can any suggest a suitable solvent or mixture of solvent for the precipitation of Bisphenol -A based polymer.I tried many solvent and combination of solvent but I couldn't precipitate it

08 May 2024 2,807 6 View

Precipitation of polymer from DMSO?

can any one suggest a solvent for the precipitation of polymer (polycondensation of Bisphenol A and dimethylamino benzaldehyde) from DMSO? I tried water,cold water,alcohol,diethyl ether,ethyl...

26 March 2024 5,921 0 View

Precipitation of copolymerised vinyl pyridine and vinyl imidazole in DMSO?

Can any one suggest a solvent for the precipitation of polymer (copolymerised vinyl pyridine and vinyl imidazole) from DMSO.

18 March 2024 830 5 View

Precipitation of polymer?

can anyone suggest a suitable solvent for precipitating the polymer which is prepared by quartenising a basic polymeric(copolymerised vinyl pyridine and vinyl carbazole) backbone with benzyl chloride

28 February 2024 7,169 4 View

Https://doi.org/10.1016/j.ijhydene.2023.09.082 kindly provide this research paper?

Alkali-resistant poly (vinyl benzyl chloride) based anion ex... (Alkali-resistant poly (vinyl benzyl chloride) based anion ex...

28 February 2024 562 0 View

Polymeric membrane casting issue?

I have tried several time for casting a membrane polymer in NMP solvent over hot air oven and hot plate for making membrane thin film but every time I failed to make it,it form a sticky gel like...

26 February 2024 1,507 4 View

How to calculate mm mole of polymer in solvent?

I have dissolved 20mm mole of vinyl pyridine and 20mm mole of vinyl imidazole in 50 ml of NMP solvent for polymerisation in stochiometric ratio 1:1.Now what is the mm mole of polymer formed in 50...

15 February 2024 2,691 1 View

Polymeric filim doesn't form on Petri dish on solvent casting over hot plat,can anyone suggest a remedy for this ?

I casted a polymeric film on hot plate but unable to detach it without damage,can any one suggest a remedy for this

12 February 2024 423 4 View

Can any one help to figure out the issue that i am facing while preparing polymer membrane ?

What solvent should be used to precipitate out the copolymer of vinyl pyridine and vinyl carbazole in NMP.I tried deionised water,ethyl acetate everything but unfortunately it doesnt get settle down.

09 February 2024 4,883 4 View