Molecular motion and relaxation studies using a thermal windowing thermally stimulated depolarization current (TW-TSDC) were performed for aliphatic polyureas 7 and 9. Global thermally stimulated depolarization current gave three characteristic major peaks corresponding to the โฃ, โค, and โฅ relaxation
โฆ LIBER โฆ
A study of some linear aliphatic nylons by thermally stimulated creep
โ Scribed by Henry H. Y. Tang; H. Leverne Williams
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 379 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0021-8995
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โฆ Synopsis
The mechanical behavior of nylons 6,66,666,610,612,11, and 12 was studied using the method of thermally stimulated creep at 96ยฐC. The resultant creep moduli were calculated. The strain recovery and strain recovery rates were measured and the retardation time spectra calculated as a function of temperature. The effects of humidity on the creep and subsequent recovery behavior were compared using samples conditioned to 0,33, and 97% relative humidity at room temperature.
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