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.

09 October 2015 258 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

07 August 2015 1,257 17 View

How do I get a chlorosulfonated polymer?

02 March 2015 2,394 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

07 August 2014 4,128 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?

04 May 2014 8,953 16 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View