Benzocyclobutene novolac resin compositions

Details Benzocyclobutene novolac resin compositions Benzocyclobutene novolac resin compositions

1993-04-23

1994-09-20

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

528129, 568722, 568731, 568732, 568744, C07C 3917

Patent

active

053491114

ABSTRACT:
A novolac resin is prepared by reacting a phenolic compound, an aldehyde or a ketone, and a hydroxyl-substituted benzocyclobutene compound wherein the hydroxyl group is attached to an aromatic ring. The benzocyclobutenes are connected to the phenolic rings through an oxygen or oxyaryl bridge, or the cyclobutene is fused directly to a phenol ring. The novolac resin cures without evolution of volatiles and, when cured, provides a polymer which has a high glass transition temperature and which is essentially insoluble in organic solvents.

REFERENCES:
patent: 4468507 (1984-08-01), Parker
patent: 4474929 (1984-10-01), Schrader
patent: 4701481 (1987-10-01), Bogan et al.
patent: 4960956 (1990-10-01), Wong
patent: 4982014 (1991-01-01), Freitag et al.
patent: 4994548 (1991-02-01), Wong
patent: 5079314 (1992-01-01), Bertram et al.
patent: 5106923 (1992-04-01), Bertram et al.
patent: 5151496 (1992-09-01), Bertram et al.

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