Heat curable epoxy adhesive composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

525482, 525486, 525524, C09J 502

Patent

active

046440232

ABSTRACT:
A heat curable epoxy adhesive composition has been developed which is substantially insoluble in cold hydraulic fluid before it is cured and resistant to degradation in hot hydraulic fluid after it is heat cured. The adhesive comprises a diglycidyl ether of bisphenol-A, a lesser amount of an epoxy novolac resin and a catalytic amount of 2-ethyl-4-methyl imidazole curing agent. The adhesive is particularly adapted to automatically and permanently calibrate the relief pressure of check valves in hydraulic systems.

REFERENCES:
patent: 4544432 (1985-10-01), Roister et al.

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