Enzyme mixtures and processes for desizing textiles sized...

Details Enzyme mixtures and processes for desizing textiles sized... Enzyme mixtures and processes for desizing textiles sized...

C - Chemistry, Metallurgy

12

N

C12N 9/26 (2006.01) C11D 3/386 (2006.01) C12S 11/00 (2006.01) D06L 1/06 (2006.01) D06L 1/14 (2006.01)

Patent

CA 2195933

Mixtures of various starch-degrading enzymes (amylases) which comprise at least one high temperature amylase (HTA) and at least one low temperature amylase (LTA) in an activity ratio of HTA to LTA of 10%: 90% to 90%: 10% develop at least 60% of their maximum activity in the temperature range from 30 to 90°C. Such mixtures can be diluted with water and treated with customary additives. These mixtures are suitable for desizing textiles sized with starch by treatment of the textiles with the mixtures mentioned and subsequent rinsing.

es mélanges de différentes enzymes d'hydrolyse de l'amidon (amylases), comprenant au moins une amylase haute température et au moins une amylase basse température dans un rapport d'activité AHT/ABT de 10 %/90 % à 90 %/10 %, atteignent au moins 60 % de leur activité maximale dans la plage de température de 30 oC à 90 oC. Ces mélanges peuvent être dilués avec de l'eau et traités par les additifs courants. Ils peuvent servir au désencollage des textiles amidonnés par traitement et par rinçage.

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