β Scribed by Kamide, K. ;Moore, W. R.
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π SIMILAR VOLUMES
Viscosity and sedimentation measurements have been carried out on sub fractions of native amylose dissolved in a thermodynamically ideal solvent (0" 33 M KCI) and a good solvent (0"2 M KOH). The relations: [r~lzct = 1"12 Γ 10-1~,,Β°~Β°; [~]zoH = 6"92 Γ 10-3~I,Β°'7s; (So)Kcl = 1"1l Γ 10-1~t~IwΒ°5Β°; (S
The polymers amylose, cellulose, and dextran are compared with regard to their conformation. The comparison is based on a combination of sedimentation and electron-spin resonance or fluorecence-depolarization data according to a theory developed for the sedimentation of polymer coils. The comparison
A detailed rheological study of cellulose nitrate in ethylacetate had been carried out in the dilute concentration (c) regime, covering a degree of polymerization (DP) range between 300 < DPq < 7000 and shear rates ( q ) between 100 s-l < 7 < 2000 s-'. The results show a strong dependence of the tra