Synthesis and polymerization of phthalonitrile monomers containi

Details Synthesis and polymerization of phthalonitrile monomers containi Synthesis and polymerization of phthalonitrile monomers containi

1982-01-07

1983-10-11

Lee, Lester L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260465F, 525535, 528166, 528172, 528206, 528210, 528271, C08G 7306

Patent

active

044093829

ABSTRACT:
Oligomeric polyarylether sulfone phthalonitrile monomer represented by the ormula. ##STR1## wherein A represents an aromatic unit having from 1 to 3 attached or fused aromatic rings, said rings being attached directly or through an aliphatic group, sulfur, or oxygen; and n represents an average value from 1 to 100 prepared by reacting the product of an dialkaline metal bisphenate and 4,4'-dichlorodiphenyl sulfone with 4-nitrophthalonitrile.

REFERENCES:
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patent: 4110314 (1978-08-01), Yagi
patent: 4200727 (1979-10-01), Blinne
patent: 4223123 (1980-09-01), Keller et al.
patent: 4234712 (1980-11-01), Keller et al.
patent: 4238601 (1980-12-01), Keller et al.
patent: 4259471 (1981-03-01), Keller et al.
patent: 4304896 (1981-12-01), Keller et al.

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