Dohyeong Kim

5 Questions 2 Answers 0 Followers

Questions related from Dohyeong Kim

Thermal decomposition of esters?

I would like to know what causes the difference in the decomposition temperature of the three esters. Please recommend any literature that can be referenced. The thermal decomposition temperature...

05 February 2021 4,854 0 View

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 4,993 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 8,115 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 9,051 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 9,621 6 View