Dohyeong Kim

4 Questions 2 Answers 0 Followers

Questions related from Dohyeong Kim

Reactivity of aromatic dicarboxylic acid?

When we use three aromatic dicarboxylic acids for esterification, what cause the difference of reactivity? ( phthalic acid, terephthalic acid, isophthalic acid)

20 January 2021 4,906 4 View

Reactivity of alcohol?

When we do esterfication using alcohol with acid, i have a question for reactivity of two diols. diethylene glycol and polyethylene glycol200. Is there any difference of reactivity of two diols?...

20 January 2021 8,062 7 View

Viscosity of polyester polyol?

I made three polyester polyols. 1) phthalic anhydride+ diethylene glycol(DEG) 2) terephthalic acid+ DEG 3) isophthalic acid+DEG Viscosity is 1

05 January 2021 8,971 5 View

In transesterification, concentration of acid catalyst?

when I do transesterification reaction, oil and ethanol cannot be mixed. So I think this reaction is heterogeneous system. When we optimize the acid concentration, we should calculate acid...

07 July 2018 9,561 6 View