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Chemicals, plastics and rubber industries

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Local and network structure of thermoreversible polyrotaxane hydrogels based on poly(ethylene glycol) and methylated [alpha]-cyclodextrins

Article Abstract:

Differential scanning microcalorimetry, rheometry and X-ray diffractometry (XRD) are used to investigate the thermoreversible gelation and microphase formation of aqueous solution of a methylated polyrotaxane (MePR). The XRD studies revealed that the network structure in the solution is formed by crystal-like junctions consisting of well-defined aggregates of methylated cyclodextrins which are arranged along the poly-(ethylene glycol) chain.

Author: Kidowaki, Masatoshi, Kataoka, Toshiyuki, Changming Zhao
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
CHEMICALS AND ALLIED PRODUCTS, Ethylene Glycol, Usage, X-ray diffractometer, X-ray diffractometers, Structure

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Difference in the dynamic properties of chiral and racemic crystals of serine studied by Raman spectroscopy at 3-295 K

Article Abstract:

The difference in the thermodynamic function of chiral L- and racemic DL-serine, [alpha]-amino-[beta]-hydroxypropionic acid measured my single-crystal polarized Raman spectra is reported.

Author: Kolesov, B.A., Boldyreva, E.V.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2007
Industrial Organic Chemicals, Propionic Acid, Analysis, Serine, Thermal properties, Thermodynamics, Raman spectroscopy, Chemical properties

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Subjects list: Spectra
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