Self-regulating polymer composite heater

Details Self-regulating polymer composite heater Self-regulating polymer composite heater

1997-07-29

1999-05-11

Kopec, Mark

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252500, 252502, 219553, H01B1/06

Patent

active

059025182

ABSTRACT:
A polymer matrix type heater filled with a conductive particulate moiety is disclosed wherein the preferable polymer is a polyurethane shape-memory polymer and the preferable filler is spherical thermal carbon black particles. Optional insulating fillers may be added to adjust the thermal and electrical properties of the heater. The resulting self-regulating heater has fast heat-up, sharp turnoff, and negligible temperature fluctuation.

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