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Method for adjusting the switching temperature of PTC ink composition and PTC ink composition

  • US 20120241685A1
  • Filed: 03/21/2011
  • Published: 09/27/2012
  • Est. Priority Date: 03/21/2011
  • Status: Abandoned Application
First Claim
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1. A positive temperature coefficient (PTC) ink composition comprising, by weight, based on total composition:

  • a) 10-50 wt. % polymer resin;

    b) 10-50 wt. % carbon black;

    c) 30-70 wt. % organic solvent, where the polymer resin and carbon black are dispersed in the organic solvent;

    d) at least 0.5-10 wt. % of Ts adjust agents and other optional additives.

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