High temperature epoxy tooling composition of bisphenol-A epoxy,

Details High temperature epoxy tooling composition of bisphenol-A epoxy, High temperature epoxy tooling composition of bisphenol-A epoxy,

1987-02-18

1988-03-22

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 99, 528112, 528103, 523443, C08G 4508

Patent

active

047329629

ABSTRACT:
A tough, durable, high temperature epoxy tooling composition for making cast-to-size forming tools. The composition comprises a bisphenol-A epoxy, a trifunctional aromatic epoxy, an anhydride catalyst, and an imidazole catalyst. The composition may optionally contain a filler system comprising filler particles having different diameters that are interstitially-matched.

REFERENCES:
patent: 3265647 (1966-08-01), Schaeffer
patent: 3313007 (1967-04-01), James et al.
patent: 3329652 (1967-06-01), Christie
patent: 3658750 (1969-02-01), Tsukui
patent: 3859379 (1975-01-01), Kitamura et al.
patent: 4002599 (1977-01-01), Graham
patent: 4031059 (1977-06-01), Strauss
patent: 4180607 (1979-01-01), Sasaki
patent: 4346207 (1982-08-01), Maurer
patent: 4423094 (1983-12-01), Dearlove
Data Sheet by Shell Chemical Co., entitled "Epon.RTM. Resins for Casting", p. 69, published Jan. 1967.

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