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Comparative analysis of ultrasonically devulcanized unfilled SBR, NR, and EPDM rubbers by Jushik Yun; Avraam I. Isayev; Seok H. Kim; Mayuresh Tapale is a Materials Science article available to read on EtoBox.

What is Comparative analysis of ultrasonically devulcanized unfilled SBR, NR, and EPDM rubbers about?

## Abstract The comparative study of the continuous ultrasonic devulcanization of various unfilled rubbers [natural rubber, styrene–butadiene rubber (SBR), ethylene–propylene–diene rubber (EPDM)] is carried out by means of a ultrasonic reactor. The power consumption, gel fraction, crosslink density, cure behavior, and physical properties of devulcanized rubbers were measured. The glass transition temperatures of virgin, vulcanized, and devulcanized rubbers were determined in order to characterize the difference in the mobility of rubber molecules for each rubber before and after devulcanization. Thermogravimetric analysis was also used to determine thermal stability of the various rubbers. A unique correlation between gel fraction and crosslink density indicated significant differences in the efficiency of devulcanization of various rubbers. Under certain devulcanization conditions, the mechanical properties of revulcanized SBR and EPDM rubbers were found to improve compared to those of the original rubbers. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 88: 434–441, 2003

Who reads Comparative analysis of ultrasonically devulcanized unfilled SBR, NR, and EPDM rubbers?

Author

Jushik Yun; Avraam I. Isayev; Seok H. Kim; Mayuresh Tapale

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-8995)

Published

2003

Language

EN

Field

Materials Science (Physical Sciences)