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JUL-29-1999 THU 09:41 AN UT-AUSTIN SPONSORED PROJ
With Professor Patricia Thiel of Iowa State University, we are working
on studies of perfluoromethylene oxide ethers and have prepared a series of
four of these polyethers to study in collaboration with her research group.
These are model compounds which correspond to structures proposed on the
bottom of page 17 and top of page 18 of our research proposal:(-CF20-cF2CF2CF2-0-)n
(-CF 0-CF2CF2CF2CF2-0-)CF3
(-CF2--0CF2-O-)
"FCF
(- l - 0 - CF2 - 0 -)
CF3
These perfluoromethylene oxide ethers have the best low temperature properties
of any known lubricants. Thiel's group is studying their interactions with
metals under extreme conditions.
Thirdly, we have also begun an interaction with Dr. August Birke of
Shell Development Company in Houston for whom we have already prepared samples
of the chlorine-substituted fluorocarbon polyether lubricants whose structures
appear on page 54 of our research proposal. Each of these four structures is
thought to have potential as lubricant additives to motor oils. Each of the
following structures is completely soluble in hydrocarbon motor oils and
hydrocarbon polyalphaolefins.ClCFzCF2(-CFZCFO-)hCFzCFZCFzc1 Type I
tF2C1.
(ClCFZ)aCFO(-CF2CFo-) CF2CF2CF2C1 Type II
CF2C1C CFZCF2O(-CFO- nCF2CF2C1
F2Type III
F
Rf eOCZ-n~ Type IJ
CF2
Cl
2FAX NO. 5122322458
P. 07
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Lagow, Richard J. Synthesis of new high performance lubricants and solid lubricants, report, April 8, 1993; Austin, Texas. (https://digital.library.unt.edu/ark:/67531/metadc717789/m1/6/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.