Khusna Widhyahrini

6 Questions 29 Answers 0 Followers

Questions related from Khusna Widhyahrini

How can we explain about immobilized membranes in SEM images ?

Dear all, I have some confuse to intepret SEM images of my immobilized membranes. What can i explain at first, granules or pore? Mean, the differences between before and after immobilization...

11 November 2016 7,094 6 View

What is the differences about polymer in form of beads and powder ?

i have synthesized polymer, and have two kind product as beads and powder. Further steps, their had difference for chlorosulfonation product. Is there about surfaces? thank you.

10 October 2015 319 5 View

How can we know carbon element for polymer by SEM-EDX?

I have done SEM-EDX for my polymer, but the carbon element has not seen on it. My polymer content by two benzene ring? is there density effect of benzene ring? Thank you for discussion

08 August 2015 1,317 17 View

How do I get a chlorosulfonated polymer?

I want to get chlorosulfonated polymer. Which is better, it must be chlorosulfonated one by one, or i have to blend and then doing chlorosulfonating? Best Regards,

03 March 2015 2,463 9 View

Could I use PCl3 combined HClSO3 for chlorosulfonation?

I found a paper which PCl5 combined HClSO3H for chlorosulfonation process. But I have PCl3, can I use it? Thank you

08 August 2014 4,189 5 View

Does anyone know how to use nitrogen gas in polymer synthesis properly?

Should I let the nitrogen flow down or flush it several times?

05 May 2014 9,017 16 View