Citation: N.C. Dafader, M.E. Haque, F. Akhtar. VARIATION OF PHYSICO-CHEMICAL PROPERTIES OF RADIATION CROSS-LINKED RUBBER WITH STORAGE TIME[J]. Chinese Journal of Polymer Science, ;2005, 23(5): 497-501. shu

VARIATION OF PHYSICO-CHEMICAL PROPERTIES OF RADIATION CROSS-LINKED RUBBER WITH STORAGE TIME

Corresponding author: N.C. Dafader,
Received Date: 24 September 2004
Revised Date: 24 January 2005

The effect of storage on physico-chemical properties of non-irradiated natural rubber and radiation vulcanized natural rubber (RVNR) were evaluated. The rubber films were stored under two different conditions, namely in open air and sealed polyethylene bags. The antioxidant, tris(nonylated phenyl) phosphite (TNPP) was used for preventing degradation of RVNR films. Gel content, cross-link density, tensile strength at break and 500% elongation of rubber films were measured. The results show that the retention (%) of tensile properties of rubber films with TNPP is higher than that of rubber films without antioxidants. The rubber films stored in polyethylene bags also show better retention of tensile properties than those of rubber films stored in open air.
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