METHOD FOR THE CATIONISATION OF LEGUME STARCHES, CATIONIC STARCHES THUS OBTAINED AND APPLICATIONS THEREOF

A method for the cationisation of starch from leguminous plants by reacting the granular or gelatinised starch with a cationic reagent involves performing the reaction in the presence of water only and in the absence of any other solvent, under conditions such that the wt. ratio (R) of water to star...

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Bibliographische Detailangaben
Hauptverfasser:	SABRE, PHILIPPE, LADRET, MARIKA, DOBROGOSZCZ, EDMOND, GOMBERT, HERVE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF DYES IMPREGNATING OR COATING OF PAPER METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES POLYSACCHARIDES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A method for the cationisation of starch from leguminous plants by reacting the granular or gelatinised starch with a cationic reagent involves performing the reaction in the presence of water only and in the absence of any other solvent, under conditions such that the wt. ratio (R) of water to starch = 1/1000-100/1, preferably 1/1000-10/1. Independent claims are also included for (1) cationic starch (I) obtained by this method, with a nitrogen content 0.1-4 (preferably 0.4-1.8) % (2) starch compositions (preferably aqueous) containing (I) (3) a method for the production of paper using (I) or a composition as above containing (I) (4) paper or flat cardboard obtained by this method.