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Property modification of polyethylene tapes by acetylene-sensitized gamma irradiation

✍ Scribed by R. W. Appleby; W. K. Busfield

Publisher
Springer
Year
1994
Tongue
English
Weight
507 KB
Volume
29
Category
Article
ISSN
0022-2461

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✦ Synopsis

Gamma-irradiation techniques for improving the creep performance of polyethylene tapes (draw ratio 6.5) have been investigated. With acetylene present during irradiation, the optimum dose required for maximum suppression of yielding under tensile stress coupled with minimum embrittlement was found to be 5-10 kGy. This is one-tenth that required for irradiation in vacuum. Creep performance was also improved at 100 ~ Creep experiments at higher loads have shown that the optimum acetylene-sensitized treatment is more effective in reducing creep rate than the optimum vacuum-irradiation treatment.

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Post-gamma irradiation cross-linking of
Post-gamma irradiation cross-linking of polyethylene tape by acetylene treatment
✍ R. W. Appleby; W. K. Busfield πŸ“‚ Article πŸ“… 1994 πŸ› Springer 🌐 English βš– 415 KB

The feasibility of enhancing cross-linking in drawn polyethylene tape by a two-stage process involving first irradiation and second exposure to acetylene gas, has been established. A number of variables have been investigated; a dose of 50 kGy gamma irradiation in vacuum at -196 ~ followed by exposu