Radioluminescence from electron-irradiated polyethylene doped with pyrene was investigated in the temperature range of 77-273 K. The spectra of emitted light were recorded, and temperature dependences of radioluminescence intensities at chosen wavelengths were examined using a wavelength-selected ra
Radiothermoluminescence of polyethylene and polypropylene
✍ Scribed by Max Možíšek
- Publisher
- Elsevier Science
- Year
- 1970
- Weight
- 462 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0020-708X
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Length-temperature measurements on a seri-of polymer blends over the whole range of composition from pure polyethylene to pure polypropylene and one set of determinations on a 50:50 copolymer and on polystyrene are evaluated. The total crystallinity of the samples did not exceed 54%. The experimenta
## Abstract Polyethylene (PE) and polypropylene (PP) were reacted with benzoyl peroxide (BPO) and 2,2,6,6‐tetramethyl‐1‐piperidinyloxy (TEMPO) to prepare PE‐TEMPO and PP‐TEMPO macroinitiators, respectively. Molecular weight of PP decreased, whereas that of PE increased during the reaction with the