Lengthened difunctional perfluoropolyether oils and rubbers prep

Details Lengthened difunctional perfluoropolyether oils and rubbers prep Lengthened difunctional perfluoropolyether oils and rubbers prep

1996-10-23

1997-10-14

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526247, 526279, 568677, C08F22602, C08F21612, C08F21418, C08F23008, C07C 4317

Patent

active

056774060

ABSTRACT:
The invention relates to a difunctional perfluoropolyether oil, prepared by reacting a perfluoropolyether diol oil having a weight average molecular weight (Mw) of 1500 to 3000 with a chain lengthener selected from the group consisting of diacid chlorides and difunctional diisocyanates, and to perfluoropolyether rubbers prepared from these chain-lengthened oils.

REFERENCES:
patent: 4201876 (1980-05-01), Griffin
patent: 4933408 (1990-06-01), Goldenberg
abstract of L.
Perfluoropolyethers (PFPFs) from Perfluoroolefin Photooxidation, Fomblin and Galden Fluids, Dario Sianesi, Guiseppe Marchionni, and Ralph J. De Pasquale, Organofluorine Chemistry: Principles and Commercial Applications, edited by R.E. Banks et al., Plenum Press, New York, 1994, pp. 431-460.

Affiliated with

Also associated with

Rating

Lengthened difunctional perfluoropolyether oils and rubbers prep does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lengthened difunctional perfluoropolyether oils and rubbers prep, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lengthened difunctional perfluoropolyether oils and rubbers prep will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1556179