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Isothiocyanates. XLVI. Preparation of macromolecular polyisothiocyanates

J. Augustín, Ľ. Drobnica, and P. Gemeiner

Department of Technical Microbiology and Biochemistry, Slovak Technical University, 880 37 Bratislava

 

Abstract: Fifteen new polyisothiocyanates were prepd.: those of the aliph. type were obtained by the reaction of cellulose with 5-isothiocyanato-1-pentylisocyanate or by the reaction of aminoethyl cellulose with thiophosgene. The reactions of arylene di- and triisothiocyanates, resp., with aminoethyl cellulose or the reaction of N-4-(4'-aminodiphenyl)amide of carboxymethyl cellulose with 1,4-phenylenediisothiocyanate gave the arom. polyisothiocyanates. Treatment of aminoethyl cellulose with aralkyl diisothiocyanates yielded polyisothiocyanates of a mixed type. The prepd. derivs. had the same phys. and hydrodynamic properties as the original celluloses. The suitability of the prepd. substances for immobilization of enzymes or a reversible binding of low-mol.-wt. SH compds. for their isolation from dil. aq. solns. is discussed.

Full paper in Portable Document Format: 302a246.pdf

 

Chemical Papers 30 (2) 246–253 (1976)

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