Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1991-06-25
1992-10-27
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526243, 526244, 526245, 526246, 526247, 526252, 526255, C08F 1220, C08F 1418, C08F11418, C08F21418
Patent
active
051590379
ABSTRACT:
The present invention is a process for preparing a polymer having perfluorocyclobutane rings by the steps of (a) contacting monomers having at least two dimerizable perfluorovinyl groups; and (b) exposing the monomers to sufficient heat and for a sufficient time that a polymer containing perfluorocyclobutane rings is formed wherein at least about 0.05 mole percent of the monomer, have at least 3 dimerizable perfluorovinyl groups and polymers prepared thereby.
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Babb David A.
Clement Katherine S.
Ezzell Bobby R.
Michl Paul R.
Szekely Peter
The Dow Chemical Company
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