✦ LIBER ✦

Stress-relaxation characteristics of natural rubber modified with phosphorylated cashew nut shell liquid prepolymer

✍ Scribed by A. R. R. Menon

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 154 KB
Volume: 65
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19970912)65:11<2183::aid-app15>3.0.co;2-4

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✦ Synopsis

The tensile stress-relaxation characteristics at room temperature of gum NR vulcanizates containing 10-20 phr of phosphorylated cashew nut shell liquid (PCNSL) prepolymer were studied at various strain rates and strain levels, in comparison with that containing the same dosage of 2-ethyl hexyl diphenyl phosphate and the unmodified sample. Modification of NR with 10-15 phr of PCNSL resulted in improvements in tensile properties along with a lower degree of stress relaxation at the higher strain rates and strain levels.

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