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Questions related from Jw Heo
I did an experiment of making functionalized graphene oxide and dried it in a vacuum oven after centrifugation, and ground f-GO using mortar and pestle. But, after grinding, it still didn't...
11 November 2019 7,028 3 View
I did an experiment of making functionalized graphene oxide and dried it in a vacuum oven, and ground f-GO using mortar and pestle. After that, I will make two types of nanocomposites...
11 November 2019 7,245 5 View
I synthesized a silica-functionalized graphene through esterification. I found an ester peak(~1735 cm-1) in the functionalized GO, however, I also found the same peak in the original GO. Then,...
09 September 2019 1,266 3 View
I want to functionalize graphene oxide using esterification. When I searched the papers about this kind of reaction, I found that many authors synthesized ~100 mg of graphene oxide. However, I...
08 August 2019 2,202 3 View
I found a paper about grafting silica nanomaterial to carbon fiber. Shortly, 1) CF-COOH is made. 2) With a reflux reaction (at 50C, 4h), CF-COOH reacts with solvent including silica nanomaterial....
06 June 2019 206 3 View
I want to know the procedure of drying a functionalized graphnee oxide in a vacuum oven after centrifugation.. I don't have a freeze-dryer, so I try to dry it using the vacuum oven. However, the...
06 June 2019 2,757 3 View
For example, I read a paper about 'grafting A(as nano particle) onto carbon fiber' Can I apply this technology to grafting A onto carbon nanotube? I need your advice.. thank you
03 March 2019 2,928 2 View
I want to synthesize the compatibilizer of PPS for extrusion, especially PPS-COOH or other PPS derivatives . I found a research paper where PPS-COOH is made by using 'high pressure reactor' Is...
02 February 2019 4,882 2 View