Resin derived from acenaphthene, process for its production and

Details Resin derived from acenaphthene, process for its production and Resin derived from acenaphthene, process for its production and

1981-08-11

1982-06-08

Phynes, Lucille M.

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

Synthetic resins

From ketone or ketene reactant

528235, 528247, 528266, C08G 1200

Patent

active

043340555

ABSTRACT:
The invention relates to a novel resin derived from acenaphthene and to process for its production.
The resin comprises oligomers of naphthalic acid groups bridged by substantially only keto groups, the oligomers being joined together with a di- or tetra-functional primary aromatic amine and having been derived from a resin produced by acid-catalyzed condensation of acenaphthene and a formaldehyde donor.
It is envisaged that the resin will be of use in the preparation of drogue parachutes and in other circumstances where a thermally stable resin is required.

REFERENCES:
patent: 2954360 (1960-09-01), Krzikalla et al.
patent: 3165558 (1965-01-01), Imoto et al.
patent: 3303167 (1967-02-01), Kakiuchi et al.
patent: 3513221 (1970-05-01), Huang et al.
patent: 3714131 (1973-01-01), Hoback et al.
patent: 3755254 (1973-08-01), Zellner
patent: 3767616 (1973-10-01), Zellner

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