A base for electric insulating oil comprising an esterification product from a C
8
-C
20
higher fatty acid and a C
6
-C
14
branched aliphatic monohydric alcohol; or a base for electric insulating oil comprising an esterification product from a mixed fatty acid derived from palm oil and/or mixed fatty acid derived from soybean oil and a C
1
-C
5
aliphatic monohydric alcohol or C
6
-C
14
branched aliphatic monohydric alcohol. The thus provided base for electric insulating oil excels in viscosity, fluidity, chemical stability, etc. and is capable of satisfactorily exhibiting electrical characteristics of electric insulating oil.
一种用于电绝缘油的基础物质,包括由C8-C20高级
脂肪酸和C6-C14分支脂肪族单元醇的酯化产物;或者由来自棕榈油混合
脂肪酸和/或大豆油混合
脂肪酸以及C1-C5脂肪族单元醇或C6-C14分支脂肪族单元醇的酯化产物组成的电绝缘油基础物质。因此提供的电绝缘油基础物质在粘度、流动性、
化学稳定性等方面表现出色,并能够满意地表现电绝缘油的电学特性。