Carbon black/high density polyethylene conducting composite materials. Part I : Structural modification of a carbon black by gasification in carbon dioxide and the effect on the electrical and mechanical properties of the composite

Carbon black/polymer composites can be used in a wide variety of applications, such as for antistatic shielding. Some of these applications rely on the enhancement of conductivity that the carbon black filler imparts to the polymer matrix. This study has involved modifying the structure and surface...

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Bibliographic Details
Published inJournal of materials science Vol. 32; no. 2; pp. 401 - 407
Main Authors MATHER, P. J, THOMAS, K. M
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 1997
Springer Nature B.V
Subjects
Antistatics
Applied sciences
Carbon black
Carbon dioxide
Carbon fiber reinforced plastics
Composite materials
Composites
Electrical properties
Electrical resistivity
Exact sciences and technology
Forms of application and semi-finished materials
Gasification
High density polyethylenes
Materials science
Mechanical properties
Polymer industry, paints, wood
Polymer matrix composites
Positive temperature coefficient
Room temperature
Shielding
Technology of polymers
Conducting material
Electrical conductivity
Carbon black
Electrical properties
Morphology
High density ethylene polymer
Fiber reinforced material
Gasification
Property structure relationship
Composite material
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Summary:Carbon black/polymer composites can be used in a wide variety of applications, such as for antistatic shielding. Some of these applications rely on the enhancement of conductivity that the carbon black filler imparts to the polymer matrix. This study has involved modifying the structure and surface functionality of a high structure (H) carbon black by gasification with carbon dioxide, thereby allowing the properties of the corresponding composite to be modified systematically. Partial gasification of the carbon black decreased the room temperature volume resistivity, at the same concentration (wt%) of carbon black in the composite, and decreased the magnitude of the positive temperature coefficient effect. The results are discussed in terms of a carbon black structure modification and its relation to mechanical and electrical properties.
ISSN:0022-2461
1573-4803
DOI:10.1023/A:1018557501174