Emulsification of alkenyl succinic anhydride size

Details Emulsification of alkenyl succinic anhydride size Emulsification of alkenyl succinic anhydride size

D - Textiles, Paper

21

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D21H 21/16 (2006.01) C08J 3/02 (2006.01) C08L 51/02 (2006.01) D21H 17/16 (2006.01) D21H 17/28 (2006.01) D21H 17/37 (2006.01) D21H 17/38 (2006.01)

Patent

CA 2395644

Alkenyl succinic anhydride (ASA) size emulsions are prepared using a grafted cationic acrylamide starch co-polymer as an emulsification agent. The ASA size emulsions of the present invention exhibit significantly greater stability compared to presently available ASA size emulsions. The grafted starch co-polymer also is a more efficient emulsification agent for ASA size, permitting the use of less emulsification agent, thereby saving cost.

La présente invention concerne des émulsions de colle à base d'anhydride succinique alcényle (ASA) préparées avec un copolymère d'amidon acrylamide cationique greffé comme agent d'émulsification. Les émulsions de colle à base d'ASA décrites dans cette invention présentent une stabilité nettement supérieure par rapport aux émulsions de colle à base d'ASA déjà sur le marché. En outre, le copolymère susmentionné est un agent d'émulsification plus efficace pour la colle à base d'ASA, ce qui permet d'utiliser moins d'agent d'émulsification, et ainsi, de réduire les coûts de production.

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