A composition is described that comprises
(A) esters from the transesterification of at least one animal fat or vegetable oil triglyceride of the formula
with an alcohol R⁴OH wherein R¹, R² and R³ are aliphatic groups containing from about 6 to about 24 carbon atoms and R⁴ is an aliphatic group containing from 1 to about 10 carbon atoms; and
(B) a pour point depressant.
In addition to components (A) and (B), the composition may also contain an additive (C) and/or (D) a normally liquid fuel.
所述组合物包括
(A) 由至少一种动物脂肪或植物油
甘油三酯与下列式子的醇 R⁴OH 进行酯交换反应生成的
酯类
其中 R¹、R² 和 R³ 是含有约 6 至约 24 个碳原子的脂肪族基团,R⁴ 是含有 1 至约 10 个碳原子的脂肪族基团;以及
(B) 一种降凝剂。
除了成分 (A) 和 (B),组合物还可包含添加剂 (C) 和/或 (D) 通常液体燃料。