Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1986-06-17
1989-02-28
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528128, 528174, C08G 802
Patent
active
048086932
ABSTRACT:
This invention relates to novel copolymers derived from diphenyl ether, terephthalic acid derivative and a third monomer of the formula ##STR1## where n=1 or 2. The copolymers can be prepared by Friedel-Crafts polymerization. Preferred copolymers are derived from diphenyl ether, terephthaloyl chloride, and 1,4-diphenoxybenzene.
REFERENCES:
patent: 3065205 (1962-11-01), Bonner
patent: 3516966 (1970-06-01), Berr
patent: 3767620 (1973-10-01), Angelo et al.
patent: 3956240 (1976-05-01), Dahl
patent: 4186262 (1980-01-01), Freeman et al.
"Preparation of Aromatic Polymers", Ser. No. 922,837, filed Oct. 23, 1986.
Dahl Klaus J.
Jansons Viktors
Moore Stephen
Burkard Herbert G.
Chao Yuan
Kight John
Moore Marvin L.
Raychem Corporation
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