Modified starch and coating slip comprising the same

Details Modified starch and coating slip comprising the same Modified starch and coating slip comprising the same

C - Chemistry, Metallurgy

08

B

C08B 31/00 (2006.01) C08B 31/18 (2006.01) D21H 17/29 (2006.01) D21H 19/54 (2006.01)

Patent

CA 2233634

A modified starch and a coating slip containing the same are described. The modified starch is characterised in that it has a degree of substitution in respect of carboxyl groups of 0.005-0.070, a degree of substitution in respect of cationic, hydrophobic groups, which contain a hydrocarbon chain having 7-20 carbon atoms, of 0.008-0.080, and that an aqueous solution of the modified starch has phase separation in the range 0-100°C, preferably about 30-60°C.

On décrit un amidon modifié ainsi qu'une sauce de couchage contenant celui-ci. L'amidon modifié est caractérisé en ce qu'il possède un degré de substitution de l'ordre de 0,005 à 0,070, par rapport aux groupes carboxyles, un degré de substitution de l'ordre de 0,008 à 0,080, par rapport aux groupes hydrophobes, lesquels contiennent une chaîne d'hydrocarbure possédant 7 à 20 atomes de carbone, et en ce qu'une solution aqueuse de cet amidon modifié présente une séparation de phase dans la plage de température se situant entre 0 et 100 DEG C, de préférence se situant entre environ 30 et 60 DEG C.

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