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Fractionation of a polymer using a preparative-scale continuous chromatograph

✍ Scribed by P. E. Barker; B. W. Hatt; A. N. Williams


Book ID
112730158
Publisher
Springer
Year
1978
Tongue
English
Weight
649 KB
Volume
11
Category
Article
ISSN
0009-5893

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πŸ“œ SIMILAR VOLUMES


Fractionation of polymers on a preparati
✍ J. F. Henderson; J. M. Hulme πŸ“‚ Article πŸ“… 1967 πŸ› John Wiley and Sons 🌐 English βš– 491 KB πŸ‘ 1 views

A preparative-scale elution chromatographic column is described which will fractionate 45 g. of polymer in a single operation. The size of the column is kept to manageable dimensions by reducing the temperature differential from 50 to 10Β°C. along the length of the temperature-gradient section. I t a

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Trimethylsilylcellulose (TMSC) was prepared from commercial cellulose with a mixture of hexamethyldisilazane and chlorotrimethylsilane in the solvent system N,N-dimethylacetamideAithium chloride. The soluble, highly silylated polymer (degree --of substitution, DS 2.9) had a molar mass aW of 500 kg/m