Pressure sensitive adhesive composition

Details Pressure sensitive adhesive composition Pressure sensitive adhesive composition

Filed on

1988-11-14

Date issued

1990-07-10

Examiner

Kight, III, John

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Processes of preparing a desired or intentional composition...

Other Related Categories

523440, 523446, 528146, C08K 910, C08K 912

Type

Patent

Status

active

Patent number

049408526

Description

ABSTRACT:
A liquid or viscous curable adhesive composition having a prolonged pot life which is composed of a liquid or viscous curable resin which has, preferably evenly and randomly dispersed therethroughout, a multiplicity of rupturable microcapsules containing a curing agent in an amount sufficient to cure the resin. The microcapsules are rupturable upon the application thereto of external pressure, or other mechanical manipulation. Upon rupture, the curing agent is released into coacting relationship with the curable resin and forms therewith an activated adhesive composition.

REFERENCES:
patent: 3018258 (1962-01-01), Meier
patent: 3395105 (1968-07-01), Washburn et al.
patent: 3396117 (1968-08-01), Schuetze
patent: 3993815 (1976-11-01), Donek et al.
patent: 4228251 (1980-10-01), Maekawa et al.
patent: 4233204 (1980-11-01), Rubel
patent: 4503161 (1985-03-01), Korbel et al.
patent: 4536524 (1985-08-01), Hart et al.
patent: 4640971 (1987-02-01), Echigo et al.

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