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Cupriethylenediamine hydroxide

Cupric fluoride, 7 769 Cupric oxide, energy gap at room temperature, 5 596t Cupriethylenediamine hydroxide, solvent for cotton, 8 21 Cuprite, 7 771 Cupronickel s)... [Pg.238]

Solubility parameters (MPa) / alkalies Cuprammonium hydroxide Cupriethylenediamine hydroxide Cadmium ethylene diamine hydroxide Iron sodium tartrate complex Soluble (complex formation) 32.02 (1)... [Pg.40]

The IV of cellulose is determined by measuring the viscosity of a very dilute solution (such as 0.5%) of the cellulose in cupriethylenediamine hydroxide (abbreviated cuene) or cuprammo-nium hydroxide (abbreviated cuam). A relationship has been developed between IV and DP so that the two can be used interchangeably. [Pg.777]

Cupriethylenediamine hydroxide Cadmium ethylene diamine hydroxide Iron sodium tartrate complex formation) ... [Pg.40]

The molecular cellulose chains have varying lengths. Measurements of the chain length require that cotton be in solution. Solvents for this purpose include cuprammonium hydroxide solution, phosphoric acid [7664-38-2], nitric acid [7697-37-2], quaternary ammonium bases, cadmium ethylenediamine hydroxide [14874-24-9], cupriethylenediamine hydroxide [111274-71-6] (76), dimethylacetamide [127-19-5]-lithium chloride [7447-41-8] (DMAC—LiCl), and... [Pg.1947]

Several solvents, such as cupriethylenediamine (cuen) hydroxide [111274-71 -6] depend on the formation of metal—ion complexes with ceUulose. Although not as widespread in use as the viscose process, cuen and its relatives with different metals and ammonium hydroxide find substantial industrial use (87). The cadmium complex Cadoxen is the solvent of choice in laboratory work (91). [Pg.242]

Among the most ancient solvents for cellulose we find cuprammonium hydroxide and cupriethylenediamine, but only the former was used industrially to give the CUPRO fibre. [Pg.119]

The e.s.r. spectra of cupriethylenediamine dihydroxide and cupriammonium hydroxide complexes of cellulose, hydrocellulose, and other carbohydrates have been measured at ambient and low temperatures. It appears that complexation is chemical rather than physical, with the covalent character of the copper ligand being comparatively weaker in the complexes. A strong bond is formed between the copper atom and the vicinal 2,3-diol group of D-glucopyranosyl residues. [Pg.460]

V-Ethylpyridinium chloride/DMF (1 /I), A-ethylpyridinium chloride/pyridine (1 /I), trifluoroacetic acid, aqu. solutions of alkalies (ice-cold), beryllium perchlorate, cdcium thiocyanate, cupriammonium hydroxide, cupriethylenediamine, sodium xanthate, tetramethylammonium hydroxide, zinc chloride/hydrochloric acid (cold), zinc chloride (hot), cone, phosphoric acid, cone, sulfuric acid. See also table on cellulose in this Handbook... [Pg.2005]

See other pages where Cupriethylenediamine hydroxide is mentioned: [Pg.265]    [Pg.37]    [Pg.218]    [Pg.328]    [Pg.55]    [Pg.265]    [Pg.37]    [Pg.218]    [Pg.328]    [Pg.55]    [Pg.265]    [Pg.284]    [Pg.826]    [Pg.484]    [Pg.205]   


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Cupriethylenediamine

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