Synthesis of Pentaerythritol Esters and Its Properties as Dielectric Fluid with Low Flammability

Chinese Journal of Applied Chemistry ›› 1996, Vol. 0 ›› Issue (2): 61-63.

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Synthesis of Pentaerythritol Esters and Its Properties as Dielectric Fluid with Low Flammability

Chen Erfan, Xiao Yi, Xu Xin

Department of Polymer Engineering, Shenyang Institute of Chemical Technolegy, Shenyang 110021

Received:1995-07-16 Revised:1995-10-20 Published:1996-04-10 Online:1996-04-10

Abstract

Abstract: The present paper deals with the esterification of pentaerythritol with aliphatic acids and C_5-9 mixed acid. The influencing facters of esterification and properties of the pentaerythritol esters were studied. The results showed that the esterification products of octanoic acid and C_5-9 mixed aicd are suitable to use as dielectric fluid with low flammability, such as transformer oil, switch oil,capacitor fluid and other dielectric fluids.The flash point is >240℃, pour point<-40℃ and breakdown voltage >35 kV/cm.

Key words: dielectric fluid with low flammability, pentaerythritol ester, C_5-9 mixed acid, esterification

Chen Erfan, Xiao Yi, Xu Xin. Synthesis of Pentaerythritol Esters and Its Properties as Dielectric Fluid with Low Flammability[J]. Chinese Journal of Applied Chemistry, 1996, 0(2): 61-63.

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Synthesis of Pentaerythritol Esters and Its Properties as Dielectric Fluid with Low Flammability

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