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Novel Cationic Esters derived from Cellulose and Dextran


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  • Product Description

The synthesis of novel water-soluble cationic amino esters based on cellulose and dextran under homogeneous conditions is presented in this work. Products are synthesized via the ring-opening reaction of N-methyl-2-pyrrolidone in the presence of p-toluenesulfonyl chloride: cellulose-4-[N-methylammonium]butyrate chloride, hydroxyethyl cellulose-4-[N-methylammonium]butyrate chloride and dextran-4-[N-methylammonium]butyrate chloride. Cellulose-4-[N,N,N-trimethylammonium]butyrate chloride is obtained by conversion of cellulose with (3-carboxypropyl)trimethyl ammonium chloride activated with N,N'-carbonyldiimidazole. The products are characterized by elemental analysis, size-exclusion chromatography, FTIR- and NMR-spectroscopy. Polyelectrolyte titration is used to quantify the positive charges on the macromolecules in aqueous solutions at various pH values. Hydrolysis of the ester group is evidenced by potentiometric titration. Properties as viscosity of the products in aqueous solution and capability of polyelectrolyte complex formation are also investigated.

Product Specifications
SKU :COC87843
AuthorCintia Salomao Pinto Zarth
Number of Pages160
Publishing Year2013-02-05T00:00:00.000
Edition1 st
Book TypeOrganic chemistry
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00