Phenolic-capped imide sulfone resins

Details Phenolic-capped imide sulfone resins Phenolic-capped imide sulfone resins

1984-11-20

1986-04-22

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

4284735, 528125, 528172, 528210, C08G 7310

Patent

active

045843643

ABSTRACT:
A cross-linkable oligomer is formed by reacting polysulfone or polyethersulfone compounds holding two amino groups, aliphatic and/or aromatic compounds containing two anhydride groups, and an amino-phenol. The resulting oligomer has a molecular weight between about 800 and 5000, preferably between about 1000 and 2500, and can be coreacted with an aldehyde and thermally cross-linked to form a cured, thermally stable, solvent-resistant product. The curing reaction mixture preferably also includes a promotor.

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