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Influence of Carbon Black, Calcium Carbonate and Dioctyl Phthalate Compositions on the NBR Vulcanized Rubber Properties Through Experiments Design

Authors

  • Sivaldo L. Correia,

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    1. Centre of Technological Sciences, State University of Santa Catarina (UDESC/CCT), Campus Universitário Prof. Avelino Marcante, 89219-710 Joinville, Santa Catarina, Brazil
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  • Denilso Palaoro,

    1. Centre of Technological Sciences, State University of Santa Catarina (UDESC/CCT), Campus Universitário Prof. Avelino Marcante, 89219-710 Joinville, Santa Catarina, Brazil
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  • André Mautone,

    1. Centre of Technological Sciences, State University of Santa Catarina (UDESC/CCT), Campus Universitário Prof. Avelino Marcante, 89219-710 Joinville, Santa Catarina, Brazil
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  • Ana M. Segadães

    1. University of Aveiro, Department of Ceramics and Glass Engineering (CICECO), 3810-193, Aveiro, Portugal
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Abstract

Summary: In industrial practice involving mixtures of raw materials, it is desirable to be able to predict how a change in their proportions will affect the product's properties. In this work the effect of three major vulcanized rubber raw materials was investigated. All other raw materials, as well as processing conditions, were kept constant. Ten formulations were vulcanized by compression moulding (175 °C, ∼17 MPa, during 5 minutes) and characterized. The statistically valid property equations calculated from the characterization results show that a range of compositions exists within which the final product has the desired properties and can still be comfortably manufactured.

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