Poly(diels-alder) polymer

Details Poly(diels-alder) polymer Poly(diels-alder) polymer

1975-02-14

1976-08-17

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37N, 260 47CZ, 260 47CP, 260 49, 260 63R, 260 65, 260 78P, 260 78UA, 260 78TF, 260 78SC, 260857R, C08G 6948, C08G 7312

Patent

active

039753638

ABSTRACT:
Linear polymers are produced by the reaction of an olefinic end-capped bis(imide) or bis(amide) compound, i.e. a dieneophile with a furfuryl or furan end-capped bis(imide) or bis(amide) compound, i.e. a diene. These linear polymers have an alicyclic endooxy linkage repeated throughout the polymer backbone chain where the furfuryl end-cap combines with the olefin end-cap by Diels-Alder reaction. The linear polymer is converted to a higher performance polymer by heating in the range of 200.degree. to 400.degree.C whereupon the endooxy linkage is aromatized in situ. The resins so prepared are suitable for use in severe environments at temperatures up to 350.degree.C.

REFERENCES:
patent: 3717615 (1973-02-01), Holub et al.
patent: 3748311 (1973-07-01), Burns et al.
patent: 3767626 (1973-10-01), Laurent et al.

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