F&L International 2015 - Quarter 3 - page 6

6
Fuels & Lubes International Quarter Three 2015
Currently, additives are
blended with base oils
to be used as lubricants.
A research team from
George Washington
University (GWU) located in
the U.S. capital is looking
at a completely different
delivery system for
additives that may solve
some of the problems that
the current system faces.
Lubricants are
compounded with many
additives to meet the
ever-increasing demands
in performance and
emission standards. With
so many additives in the
lubricants (sometimes
15-18% by weight), the
additive molecules interact
with each other, forming
micelles or chemical
clusters in oil solution,
said Stephen Hsu,
leader of the research
team. Often, some of the
additive molecules get
tied up with others and
may not be available for
their intended use, so
formulators add extra
additives to compensate
目前,添加剂通过与基础
油进行调合用作润滑剂。位于
美国首都的乔治华盛顿大学
(GWU)的一个研究小组正在
探索一个全新的添加剂释放系
统,以解决目前系统所面临的
一些问题。
润滑油由多种添加剂化合物
调合而成,以满足日益苛刻的
性能和排放要求。由于润滑油
中含有大量的添加剂(有时高
达重量的15-18%),添加剂分
子会相互作用,在油品中形成
分子团或化学团,研究小组的
负责人Stephen Hsu说。通常
情况下,部分添加剂分子与其
他添加剂分子胶粘而不能实现
其原来的作用,因此对于配方
商而言,通过加入额外的添加
剂量来补偿这部分的损失,他
说。新的添加剂化学品需要避
免与已有的添加剂分子相互影
响,他补充说。微型胶囊可以
有助于解决这个问题,将部分
化学品分离,使之可以发挥作
用, Hsu解释说。
“同样是这些化学品,但现在
可以减少浪费……并保证多种添
加剂成分的协同作用,从而降
低成本,这是一种更好的释放
系统,” Hsu说。他是GWU的
工程及应用科学教授。今年五
Additives in a capsule
Microencapsulation is not a new technology. Its application to lubricants, however, has never
been attempted before.
BY ALISON GAINES
胶囊中的添加剂
微型胶囊并不是一项新技术。不过,它在润滑油方面的应用还是一次新的尝试。
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