High strength epoxy tooling compositions

Details High strength epoxy tooling compositions High strength epoxy tooling compositions

1988-06-24

1990-04-24

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523440, 523443, C08L 6302, C08K 700

Patent

active

049201611

ABSTRACT:
A high strength, room temperature curable epoxy tooling compositions containing interstitially-matched filler systems for making cast-to-size forming tools for metal sheet stamping. The composition can be fully cured by at least one aliphatic amine catalyst in twelve hours producing a rigid article having a tensile strength of at least 40 MPa and a compressive strength of at least 100 MPa.

REFERENCES:
patent: 4423094 (1983-12-01), Dearlove et al.
patent: 4423904 (1983-12-01), Dearlove et al.
patent: 4550127 (1985-10-01), Renker
patent: 4552993 (1985-11-01), Sellstrom et al.
patent: 4732962 (1988-03-01), Atkins et al.

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