H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 1/22 (2006.01) H01B 1/24 (2006.01) H01C 7/02 (2006.01) H01C 8/00 (2006.01) H01C 17/065 (2006.01)
Patent
CA 2479926
The invention provided polymeric PTC compositions and electrical PTC devices with higher voltage capability and improved electrical stability. The PTC compositions of the present invention exhibit improved processability and include at a minimum an organic polymer, a conductive filler and a low molecular weight polyethylene processing aid. Depending on device design, the composition can be used in low to high voltage applications.
L'invention concerne des compositions polymériques à coefficient de température positif (CTP) et des dispositifs électriques CTP supportant des tensions plus élevées et de meilleure stabilité électrique. Les compositions CTP de l'invention montrent une meilleure transformabilité et contiennent au minimum un polymère organique, une charge conductrice et un additif technologique à base de polyéthylène de bas poids moléculaire. En fonction du concept du dispositif, la composition peut être utilisée dans des applications de basse à haute tension.
Blok Edward J.
West Jeffrey A.
Sim & Mcburney
Therm-O-Disc Incorporated
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