Effect of Surfactant on Swelling Behavior and Mechanical Characterization of NBR-Nano-Silica Nanocomposites

Autor: Votarikari Naveen Kumar
Rok vydání: 2021
Předmět:
Zdroj: Silicon. 14:1865-1871
ISSN: 1876-9918
1876-990X
DOI: 10.1007/s12633-021-00975-y
Popis: Acrylonitrile-based rubbers have gained much importance in the oil and gas industry due to their higher reliability and better oil-resistant property. The Present investigation deal with the addition of nano silica-based Nitrile Butadiene Rubber (NBR) has an influence on swelling and mechanical properties. The marginal increases of values were observed with the addition of nano-silica composite prepared through a two-step method with and without surfactant. Surfactant has increased the bridging between the NBR chains and nano-silica chains. The Swelling property of composite has increased with the addition of silica content, which implies that the base property of oil-resistant behavior has not diminished. The density and hardness values also reveal that the addition of nano-silica content has made the polymer brittle and toughened. The movement of polymeric chains was obstructing by the nano-silica content as it is hard and brittle. The temperature of oils also varied and found out the behavior of the composite was explained. The major challenge of obtaining the desired properties lies in the preparation method for the achievable dispersion of samples. The composite preparation method was adopted a two-step process, which was coagulated and entrapped the silica content into the polymeric chains. The presence of silica content is obstructing rheological movement, which is strengthened by the results of elastomeric graphs. Tensile, Tear, and shore hardness values were conducted to support the behavior of composite.
Databáze: OpenAIRE
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