Polyimide insulation with improved arc track resistance

Details Polyimide insulation with improved arc track resistance Polyimide insulation with improved arc track resistance

1989-06-13

1992-04-14

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528170, 528172, 528173, 528188, 528206, 528208, 528229, 528322, 528330, 528350, 528353, 4284735, C08C 6926, C08C 1400, C08C 802

Patent

active

051049660

ABSTRACT:
Novel polyimide based films are disclosed that are resistant to arc tracking and that include aromatic dianhydrides together with aromatic diamines and aliphatic diamines. The compositions contain from 5 to 20 percent by weight of the aliphatic diamine. These compositions maximize the thermal aging capability of the polyimide. The compositions are useful as films and laminates for wire and cable.

REFERENCES:
patent: 3424718 (1969-01-01), Angelo
patent: 3551200 (1970-12-01), Stivers
patent: 3677921 (1972-07-01), Stivers
patent: 3803103 (1974-04-01), Magay
patent: 4413115 (1983-11-01), Nimry et al.
patent: 4417045 (1983-11-01), Nimry et al.
patent: 4431791 (1984-02-01), Nimry et al.
patent: 4438256 (1984-03-01), Ohta et al.
A New Extruded Alkane-Imide Wire by V. L. Lanza and R. M. Halperin-Dec. 1969.

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