0

Full Content is available to subscribers

Subscribe/Learn More  >

Tribological Characteristics of Newly Synthesized Multi-Functional PFPE Lubricants

[+] Author Affiliations
Hiroshi Chiba, Yukiko Oshikubo, Keiji Watanabe

Fujitsu Laboratories, Inc., Atusgi, Japan

Takeshi Tokairin, Eishin Yamakawa

Yamagata Fujitsu, Ltd., Higashine, Japan

Paper No. WTC2005-63634, pp. 731-732; 2 pages
doi:10.1115/WTC2005-63634
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

We have successfully synthesized a multi-functional PFPE lubricant in which extra polar groups exist in the middle of molecule. This was achieved by combining several PFPE molecules that contain hydroxyl end groups. The multifunctional molecule was fractionated using supercritical fluid of carbon dioxide then identified using NMR methods, which showed that average three to five hydroxyl groups are contained in one molecule depending on each fraction. This paper presents lubricant spreading properties and first monolayer thickness determined by means of half-dip coat method. It was found that resulting first monolayer thickness shows does not increase significantly; rather it was almost the same as that of the parent molecule.

Copyright © 2005 by ASME
Topics: Tribology , Lubricants

Figures

Tables

Interactive Graphics

Video

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In