Method of preparing intermediate ds starch esters in aqueous...

Details Method of preparing intermediate ds starch esters in aqueous... Method of preparing intermediate ds starch esters in aqueous...

C - Chemistry, Metallurgy

08

B

C08B 31/04 (2006.01) C08L 3/06 (2006.01)

Patent

CA 2112079

Starch esters having an intermediate DS of about 0.5 to 1.8 are prepared in an aqueous one step process by reacting starch with high treatment levels of organic acid anhydride and high concentrations of alkaline reagent.

Des esters d'amidon ayant un degré de substitution (DS) intermédiaire d'environ 0,5 à 1,8 sont préparés à l'aide d'un procédé en milieu aqueux en une seule étape en faisant réagir l'amidon avec des concentrations de traitement élevées d'anhydride d'acide organique et des concentrations élevées d'un réactif alcalin.

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