| 摘要 |
A composition is disclosed which is liquid at a temperature from 0 DEG C. to room temperature and which comprises at least two compounds which, individually, are solid at such temperature and which have the general formula WHEREIN R represents a straight or branched primary, secondary or tertiary alkyl radical having up to 6 carbon atoms in the main chain, at least a major portion of the composition comprising at least one compound wherein the alkyl radical has 3 - 6 carbon atoms in the main chain. |
