STABLE IRRADIATED POLYETHYLENE
Patent
·
OSTI ID:4174732
An irradiation apparatus, an irradiation-annealing process, and an ethylene polymer with greater stability are described. An electron accelerator is used for the irradiation. In an example, high-density polyethylene was irradiated at 25 deg C to 15 x 10/sup 6/ rep and annealed at 130 deg C. After annealing, the percent elongation was measured from time to time over a period of 128 days and compared with an unannealed ssmple. The stubility of the annealed sample was excellent. It is supposed that annealing releases trapped free radicals and prevents oxidation. (T.R. H.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-013041
- OSTI ID:
- 4174732
- Report Number(s):
- GB 831257
- Country of Publication:
- United Kingdom
- Language:
- English
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