High viscosity cyanoacrylate adhesive compositions, and process

Details High viscosity cyanoacrylate adhesive compositions, and process High viscosity cyanoacrylate adhesive compositions, and process

1975-07-02

1977-07-26

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260885, C08L 3300

Patent

active

040383458

ABSTRACT:
Stable cyanoacrylate adhesive compositions having viscosities greater than about 200 centipoise are prepared by incorporating therein, as a thickening agent, a soluble acrylic polymer having a reduced viscosity of about 5 or greater, and a content of free radical polymerization initiator less than 1% by weight. These properties are obtained by subjecting the thickening agent to temperatures of about 140.degree.-180.degree. C. for about 30-180 minutes prior to incorporating it in the cyanoacrylate.

REFERENCES:
patent: 3178379 (1965-04-01), Wicker, Jr. et al.
patent: 3354128 (1967-11-01), Wicker

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