Improved optical brightening compositions for high quality...

Details Improved optical brightening compositions for high quality... Improved optical brightening compositions for high quality...

D - Textiles, Paper

21

H

D21H 21/30 (2006.01) B41M 5/52 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2744837

The instant invention relates to improved liquid sizing compositions comprising derivatives of diaminostilbene, binders, protective polymers and divalent metal salts for the optical brightening of substrates suitable for high quality ink jet printing.

La présente invention concerne des compositions liquides améliorées pour l'apprêt du papier. Ces compositions, qui comprennent des dérivés de diaminostilbène, des liants, des polymères protecteurs, et des sels de métaux divalents, conviennent au blanchiment optique de substrats destinés à l'impression jet d'encre de haute qualité.

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