Melt-fusible co-polyimide from diamine mixture

Details Melt-fusible co-polyimide from diamine mixture Melt-fusible co-polyimide from diamine mixture

1985-04-29

1988-02-16

Anderson, Harold D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528125, 528126, 528128, 528172, 528185, 528188, 528189, 528289, 528352, 528353, 4284735, C08G 7310, B32B 2712

Patent

active

047256427

ABSTRACT:
Melt-fusible copolyimides based on pyromellitic anhydride and two defined classes of aromatic diamines, at least one diamine of each class being incorporated into the polyimide, each diamine class being present in an amount of 10-90 mole percent of the total diamine content (100 mole percent), melt below about 400.degree. C. and can be fabricated into articles, or can be applied to either fibrous or nonfibrous substrates to make prepregs, tapes, etc., which then are shaped into final articles, such as printed circuit boards or aircraft panels.

REFERENCES:
patent: 3234181 (1966-02-01), Olivier
patent: 3845018 (1974-10-01), Bilow et al.
patent: 3959350 (1976-05-01), Rogers
patent: 4017459 (1977-04-01), Onder
patent: 4336175 (1982-06-01), Gibbs
patent: 4485140 (1984-11-01), Gannett et al.
patent: 4576857 (1986-03-01), Gannett et al.
P. Sachindrapal et al., Makromol. Chem., Rapid Commun., 667-670 (1980).

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