Effect of Carbon Black Modified with Polyaniline on Resistivity Behavior of Polyethylene/Carbon Black Composites
Authors:
- 1 December 2007
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science, Part B
- Vol. 47 (1) , 65-75
Abstract
To obtain a reproducible positive temperature coefficient (PTC) composite with acceptable PTC effect, carbon black (CB) modified with polyaniline (PANI) was prepared by in situ polymerization. The effect of modified CB content on room temperature resistivity, PTC intensity, and reproducibility of resistivity‐temperature comparisons in heating/cooling cycles of CB filled low density polyethylene (LDPE) composites is discussed. The results show that CB modified with PANI improved the compatibility and dispersion of CB particles in the matrix, which resulted in a decrease of the percolation threshold and improvement of reproducibility of the PTC effect.Keywords
This publication has 18 references indexed in Scilit:
- Effect of filler treatment and crosslinking on mechanical and dynamic mechanical properties and electrical conductivity of carbon black‐filled ethylene–vinyl acetate copolymer compositesJournal of Applied Polymer Science, 2003
- Thermo‐electric behavior (PTC) of carbon black–containing PVDF/UHMWPE and PVDF/XL‐UHMWPE blendsPolymer Engineering & Science, 2001
- Positive and negative temperature coefficient effects of an alternating copolymer of tetrafluoroethylene–ethylene containing carbon black-filled HDPE particlesPolymer, 2000
- The influence of crystalline and aggregate structure on PTC characteristic of conductive polyethylene/carbon black compositeEuropean Polymer Journal, 1998
- Selective Localization of Carbon Black in Immiscible Polymer Blends: A Useful Tool To Design Electrical Conductive CompositesMacromolecules, 1994
- Dispersion of fillers and the electrical conductivity of polymer blends filled with carbon blackPolymer Bulletin, 1991
- Electron transport processes in conductor‐filled polymersPolymer Engineering & Science, 1983
- Stability of polymer composites as positive‐temperature‐coefficient resistorsPolymer Engineering & Science, 1974
- Glass transition temperature as a guide to selection of polymers suitable for PTC materialsPolymer Engineering & Science, 1973
- A New Resistor Having An Anomalously Large Positive Temperature CoefficientJapanese Journal of Applied Physics, 1971