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Proceedings Paper

Natural-rubber-based chiral polyesters as acoustic damping materials: synthesis and characterization
Author(s): V. G. Jayakumari; J. Narayana Das
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Paper Abstract

Development of new viscoelastic materials were attempted. New damping materials were developed starting from hydroxyl terminated liquid natural rubber prepared by photodepolymerization of coagulated natural rubber latex by reacting with 1,4:3,6-dianhydro D-Sorbitol (isosorbide) and terephthaloyl chloride/(bis-2-Chloroformyl, 4-nitrophenyl) terephthalamide. The copolyesters were characterized by spectral and thermal techniques. Inherent viscosity and optical activities were measured. The damping performance as studied using DMA technique, was found to be superior compared to starting natural rubber.

Paper Details

Date Published: 16 April 1998
PDF: 8 pages
Proc. SPIE 3321, 1996 Symposium on Smart Materials, Structures, and MEMS, (16 April 1998); doi: 10.1117/12.305569
Show Author Affiliations
V. G. Jayakumari, Naval Physical and Oceanographic Lab. (India)
J. Narayana Das, Naval Physical and Oceanographic Lab. (India)


Published in SPIE Proceedings Vol. 3321:
1996 Symposium on Smart Materials, Structures, and MEMS
Vasu K. Aatre; Vijay K. Varadan; Vasundara V. Varadan, Editor(s)

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