Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1978-07-19
1979-04-03
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
260307D, 526247, 526259, 526260, 526285, 528205, 528211, C08G 7322
Patent
active
041478584
ABSTRACT:
Fluorocarbon ether bibenzoxazole oligomers having reactive terminal acetylenic groups which make it possible to thermally cure the oligomers without the evolution of volatiles to rubbery vulcanizates exhibiting high thermooxidative stability and low temperature flexibility, properties that render the materials suitable for various aerospace applications such as for seals and sealants.
REFERENCES:
patent: 4053495 (1977-10-01), Evers
patent: 4064109 (1977-12-01), Evers
Kuhn Cedric H.
Lee Lester L.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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