Cross-linked cyanoacrylate adhesive compositions

Details Cross-linked cyanoacrylate adhesive compositions Cross-linked cyanoacrylate adhesive compositions

1972-05-25

1976-02-24

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4229, 260 4252, 260 855A, 260 855ES, 260 861N, C08F23612, C08K 320, C08K 336, C08L 3504

Patent

active

039403629

ABSTRACT:
New polymerizable adhesive compositions comprising a monomeric ester of .alpha.-cyanoacrylic acid and a difunctional monomeric cross-linking agent which is a diester of acrylic or methacrylic acid and an alcohol having at least two esterifiable hydroxyl group, are found to develop increased cohesive bond strength upon polymerization. The compositions, if desired, can contain a finely divided aggregate, preferred aggregates being alumina and quartz. In addition, the compositions can advantageously contain sodium fluoride.
The monomeric compounds of these adhesive compositions are polymerized in a cross-linked mode by means of an amine activated free radical initiator.
The compositions can be applied to either wet or dry surfaces of a variety of materials. They are suitable for application to animal tissue, e.g., bone and flesh, and are particularly suitable for the treatment of teeth, such as for use as temporary fillings, the preparation of dental restorations and especially for filling and sealing pits and fissures in prophylactic dentistry.

REFERENCES:
patent: 2558139 (1951-07-01), Knock
patent: 2833753 (1958-04-01), Lal
patent: 3442851 (1969-05-01), McManimie
patent: 3527729 (1971-01-01), Bingham et al.
patent: 3539533 (1970-11-01), Lee
patent: 3663501 (1972-04-01), Adams

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