Structural changes in poly(L-alanine) induced by heat treatment
β Scribed by Masuhiro Tsukada; Masanobu Nagura; Hiroshi Ishikawa
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 558 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0887-6266
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A combined demineralization-agglomeration two-stage process for salty coal is introduced for increasing quality and yield of coal concentrates. The salt was dissoluted and removed by coal treatment with 0.1-0.3 mass% oil. After demineralization 3-20 mass% of oil was added to the coal hydromixture T
## Abstract It has been shown that certain structural (Xβray diffraction) and physical (infrared dichroΓ―sm, Ξ±βrelaxation dynamics) characteristics of poly(vinyl chloride) undergo irreversible changes upon sample drawing. This behaviour reveals some nonβequilibrium character of the polymer, even in