THE EFFECT OF IRRADIATION ON A POLYMER BLEND. I. THE EFFECT ON A MIXTURE OF HIGH DENSITY AND LOW DENSITY POLYETHYLENE
The blending technique utilizing the radioinduced cross linking was found to be effective in preventing the separation of the blending polymer. High and low-density samples with mp's of 139 and 114 deg C, respectively, and containing 5, 10, 15, and 20 wt% of the former were irradiated by gamma rays from a 3-kc Co/sup 60/ source at the rate of 0.4 Mr/hr at room temperature and at 150 deg C up to 10, 20, and 30 Mr. Results of the measurements of specific gravity, specific volumetemperature, specific heat-temperature, and elasticity were compared with those obtained from unirradiated samples. It was concluded that the homogeneous blending occurred only when the mixtures were irradiated in the melted state when uniform crystallization resulted during the cooling process. (OID)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-16-030467
- OSTI ID:
- 4784794
- Journal Information:
- Nagoya Kogyo Gijutsu Shikenjo Hokoku, Vol. Vol: 11; Other Information: Orig. Receipt Date: 31-DEC-62
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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