Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1979-11-30
1981-06-02
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528391, C08G 7524
Patent
active
042712858
ABSTRACT:
A linear aryl sulfide/sulfonate polymer having improved thermal stability is provided consisting essentially of units of the formula: ##STR1## wherein n is an integer of from 3 to about 250.
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patent: 3658757 (1972-04-01), Conix et al.
patent: 4039511 (1977-08-01), Wulff et al.
patent: 4094867 (1978-06-01), Jones
Brumback Oscar B.
Koppers Company Inc.
Lee Lester L.
MacKay Donald M.
Zeh Herbert J.
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