Correction tape having dye migration blocking properties

Details Correction tape having dye migration blocking properties Correction tape having dye migration blocking properties

B - Operations, Transporting

32

B

B32B 7/12 (2006.01) B32B 5/16 (2006.01) B32B 27/20 (2006.01) B41J 31/09 (2006.01)

Patent

CA 2359324

The present invention is directed to a correction tape that has a support member, a transfer layer, and a correction medium layer. The correction medium layer includes an opacifying pigment, binding polymer, and bleed inhibitor. Suitable bleed inhibitors include polyvinyl amines, phospholipids, tallow amines or combinations thereof. The bleed inhibitor is present in an amount of between about 0.1 % to 10 % by weight.

L'invention concerne une bande de correction ayant un élément de support, une couche de transfert et une couche de support de correction. Cette dernière couche se compose d'un pigment opacifiant, d'un polymère de liaison et d'un inhibiteur de perte de couleur. Ces inhibiteurs sont constitués d'amines polyvinyliques, de phospholipides, d'amines de suif ou de leurs combinaisons. L'inhibiteur de perte de couleur est présent dans des quantités comprises entre environ 0,1 et 10 % en poids.

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