Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1978-09-27
1979-12-11
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
260 308R, 260607AR, 428411, 528125, 528126, 528128, C08G 7523
Patent
active
041784286
ABSTRACT:
High molecular weight enyne polysulfone thermoplastics are prepared by the reaction of alkali metal salts of 1,4-bis(3-hydroxyphenyl)-buta-1-ene-3-yne and various aromatic diols with aromatic dihalosulfones. Because of the presence of the enyne moiety in the polymer backbone, the polymer can be lightly crosslinked to provide solvent resistant thermoplastics. The polymers are useful in fabricating graphite thermoplastic composites for structural applications.
REFERENCES:
patent: 4108926 (1978-12-01), Arnold et al.
Arnold Fred E.
Reinhardt Bruce A.
Kuhn Cedric H.
Lee Lester L.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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