Phase change materials organic

Examples of organic-polymer-based reversible media are few. In the inorganic category, reversible phase-change materials and magneto-optic systems appear to be the leading candidates. Both systems can be considered as examples of nondeformation recording. 

Shukla, A. Buddhi, D. Sawhney, R.L. Thermal cycling test of new selected inorganic and organic phase change materials. Renew Energ 33 (2008) 2606-2614. 

Feldman D, Shapiro MM and Banu D (1986), Organic phase change materials for thermal energy storage. Solar Energy Materials, 13(1), pp. 1-10. 

Saner N, Onder E (2012) Organic phase change materials and their textile apphcations an overview. Thermochim Acta 540 7-60. doi 10.1016/j.tca.2012.04.013... 

Zeng JL, Cao Z, Yang DW, Sun LX, Zhang L. Thermal conductivity enhancement of Ag nanowires on an organic phase change material. J Therm Anal Calorim 2010 101 385-9. 

Evaporation and redissolving. The solvent of the combined upper layer is evaporated under nitrogen flow or low-temperature vacuum distillation. An oily material appears after it is dried. A precisely measured aliquot of mobile phase is normally used to redissolve theextract. These procedures are intended to not only increase the concentration of tocopherols and tocotrienols to the measurable level of the detector, but also to avoid uncertain volume change of organic layer during extraction, which results in inaccurate results. The redissolved sample is transferred to a vial for HPLC analysis. 

When an organic vapor rather than an inert gas is used in the same discharge reactor, a nearly completely different phenomenon occurs, in which deposition of material is an aspect. Deposition of material constitutes the foundation of LCVD. In an LCVD environment, the composition of the gas phase changes continuously as deposition proceeds. This difference could be further illustrated by examples for glow discharge of argon and of acetylene. 

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