Method of manufacturing a positive temperature coefficient resis

Details Method of manufacturing a positive temperature coefficient resis Method of manufacturing a positive temperature coefficient resis

1983-04-15

1985-12-24

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Forming electrical articles by shaping electroconductive...

Conductive carbon containing

264174, 264235, 264236, 264346, 264347, B09C 7102, H01H 3700

Patent

active

045605246

ABSTRACT:
Crystalline polymers having a relatively high melt index and low structured carbon black together produce positive temperature coefficient material which can attain suitable volume resistivity with a greatly reduced annealing time. Temperature self-regulating resistive heating elements may be made with the material in a continuous process where annealing is conducted in a heated zone while the extruded element is in motion or during a short interval when its motion is interrupted.

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