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Miscibility of poly(vinyl chloride) with chitin derivatives having poly(2-methyl-2-oxazoline) side chains

โœ Scribed by Keigo Aoi; Akinori Takasu; Masahiko Okada

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
302 KB
Volume
16
Category
Article
ISSN
1022-1336

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โœฆ Synopsis

Binary blends of poly(viny1 chloride) (PVC) and chitin-graf-poly(2-methyl-2-oxazoline) showed miscibility in the blend fraction range of the latter lower than ca. 10 wt.-Yo. The glass transition temperature of PVC, which was determined by differential scanning calorimetry, changed to lower temperatures with increasing modified chitin contents up to 10 wt.-Vo. Segmental interaction between PVC and the graft copolymer was confirmed by the carbonyl stretching band shift in the FT-IR analysis.

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## Abstract The molecular shapes and the sizes of structures formed by chitin derivatives with monodisperse poly(2โ€alkylโ€2โ€oxazoline) side chains were investigated using atomic force microscopy (AFM), cryoโ€transmission electron microscopy (cryoโ€TEM), and smallโ€angle neutron scattering (SANS) analys