Water resistant alkaline corrugating adhesive composition

Details Water resistant alkaline corrugating adhesive composition Water resistant alkaline corrugating adhesive composition

C - Chemistry, Metallurgy

09

J

C09J 103/02 (2006.01) B31B 1/62 (2006.01) C08G 6/02 (2006.01) C08K 5/07 (2006.01) C09J 161/02 (2006.01) D21H 27/40 (2006.01)

Patent

CA 2207883

An improved ketone-formaldehyde crosslinking additive having reduced free-formaldehyde content and which is useful in providing a starch- based alkaline corrugating adhesive composition with enhanced water resistance and viscosity properties is obtained by a process wherein the additive is treated with selected sulfite salts.

Un additif réticulant amélioré de cétone-formaldéhyde ayant une teneur réduite en formaldéhyde libre et qui est utile dans la préparation d'un composé d'adhésif alcalin à base d'amidon pour carton ondulé, avec propriétés améliorées de résistance à l'eau et de viscosité, est produit suivant un procédé dans lequel l'additif est traité avec certains sels de sulfite.

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