Title:
【発明の名称】自己規制型分散物
Document Type and Number:
Japanese Patent JPH08500566
Kind Code:
A
Abstract:
A self-limiting dispersion of a conductive material in a binder is disclosed wherein the conductive material consists essentially of a carbon material having a structure selected to undergo percolation when dispersed in the binder at a concentration of from about 10 weight percent to about 45 weight percent. The binder comprises a thermoplastic material selected to go through a first order phase transition or a second order transition at a temperature from about 300 DEG F. to about 480 DEG F. and the dispersion is formulated near the conductance percolation threshold so that its electrical conductivity drops precipitously (e.g., at least about 1.5 orders of magnitude) above the binder transition temperature. The dispersion of the conductive material in the binder is especially suitable for use as a self-limiting microwave heater material which is either a molding composition, or surface coating composition, and especially a composition that can be applied to a substrate by printing.
Inventors:
Porat, Kenneth A.
Haveger, Charles Sea. Junior
Haveger, Charles Sea. Junior
Application Number:
JP50065595A
Publication Date:
January 23, 1996
Filing Date:
May 10, 1994
Export Citation:
Assignee:
James River Paper Company, Inc.
International Classes:
A23L3/00; A23L5/10; B29C71/04; B29D99/00; B65D81/34; C08K3/00; C08L101/00; C09D5/38; H01C7/02; (IPC1-7): B65D81/34; A23L1/01; A23L3/00; B29C71/04; B29D31/00; C08K3/00; C08L101/00
Attorney, Agent or Firm:
Kuwahara Hideaki