Influence of bound polymer on cure characteristics of natural rubber compounds reinforced with different types of carbon blacks

Rubber compounds are reinforced with fillers such as carbon black and silica. The cure characteristics of a filled rubber compound vary with the filler type and content. The influence of the type of carbon black on the cure characteristics of carbon black filled natural rubber compounds is investiga...

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Bibliographic Details
Published in:Journal of applied polymer science 2005-12, Vol.98 (5), p.2282-2289
Main Authors: Choi, Sung-Seen, Hwang, Ki-Jun, Kim, Beom-Tae
Format: Article
Language:English
Subjects:
Applied sciences
bound rubber
carbon black
Composites
cure characteristics
Exact sciences and technology
filled rubber compound
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Summary:Rubber compounds are reinforced with fillers such as carbon black and silica. The cure characteristics of a filled rubber compound vary with the filler type and content. The influence of the type of carbon black on the cure characteristics of carbon black filled natural rubber compounds is investigated using two types of carbon black (N220 and N550), which are different in primary size and structure. The cure time and cure rate become faster as the carbon black content increases. The crosslink density also increases and reversion resistance is improved with the increase of carbon black content. The cure time and cure rate of the compound filled with N550 are faster than those of the compound filled with N220 at the same level of bound rubber content. In addition, higher crosslink density is also observed in the compound filled with N550 compared to that of the compound filled with N220 at the same level of bound rubber content. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 98: 2282–2289, 2005
ISSN:0021-8995
1097-4628
1097-4682
DOI:10.1002/app.22287