Formulation Technologies Enhancing the Effect of MoDTC

DOI Web Site
  • ONODERA Ko
    Product Research Department, Tribology Research Center, EMG Lubricants Godo Kaisha

Bibliographic Information

Other Title
  • MoDTCを活かす添加剤の配合技術
  • MoDTC オ イカス テンカザイ ノ ハイゴウ ギジュツ

Search this article

Description

<p>As the number of hybrid vehicles where oil temperature is lower than conventional ones equipped with internal combustion engines increases, friction reduction by engine oils under lower temperature conditions as well as under high temperature is required. Therefore, new friction modifier (FM) technologies need to be developed. Molybdenum dithiocarbamate (MoDTC) has widely been used for fuel economy engine oils because of its excellent performance for reducing friction, especially at high temperatures. However, the technology cannot simply be applied to hybrid vehicles because it is ineffective at low temperatures. Research of combined use of adsorption type FMs, which works well at low temperatures, with MoDTC to reduce friction under both high and low temperatures were reviewed. In general, the combined use of both FMs brings antagonism because of the competitive adsorption. However, the polymer type adsorption FM (PFM) can reduce friction while keeping low friction properties of MoDTC. It is suggested that the combined use of MoDTC and PFM can be the solution to reduce friction under a wide temperature range.</p>

Journal

Keywords

Details 詳細情報について

Report a problem

Back to top