Determination of the high-molecular-weight fraction content in cellulose
β Scribed by E. V. Yakanina; Z. S. Lapkina
- Publisher
- Springer US
- Year
- 1981
- Tongue
- English
- Weight
- 125 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0015-0541
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The fractionation of cellulose in cadoxen solutions has been carried out by precipitation with aqueous propanol. The reproducibility of the method has been tested by means of parallel fractionations, and shown to be good, for both research and routine work. The fractionation data have been analysed
The results of a fractionation of high molecular weight poly(oxyethy1ene glycol) with the mixture benzene-isooctane are presented. The fractions are characterized by gel permeation chromatography (GPC), infrared spectroscopy, viscometry, and dialysis. A high hydroxyl content was found for the higher