ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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The sulfidation of alkali cellulose of heavier consistency

L. Chodák and A. Kramár

Slovak Technical University, Bratislava

 

Abstract: The sulfidation of alkali cellulose of heavier consistency (boiled-cereal-like) in NaOH solns. is more favorable at concns. of 11 to 13% NaOH. At lower concns., due to increased soly. of CS2, a great no. of by-products is formed. The formation of xanthates is reduced by the hydrolysis of alkali cellulose. At higher concns. the formation of xanthates is decreased by the sapon. of xanthate groups and the conditions for the formation of by-products are more favorable. At an 11 to 13% NaOH concn. there is a max. swelling of cellulose which can be proved by the effect of temp.

Full paper in Portable Document Format: 122a113.pdf (in Slovak)

 

Chemical Papers 12 (2) 113–120 (1958)

Tuesday, June 25, 2024

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