Paper size dispersions

Details Paper size dispersions Paper size dispersions

D - Textiles, Paper

21

H

D21H 23/24 (2006.01) D21H 17/05 (2006.01) D21H 17/28 (2006.01) D21H 21/16 (2006.01) D21H 23/04 (2006.01) D21H 17/06 (2006.01) D21H 17/07 (2006.01) D21H 17/17 (2006.01) D21H 21/24 (2006.01)

Patent

CA 2328872

Aqueous paper size dispersions comprising: a) at least one paper sizing compound, and b) a water-soluble dispersant containing at least two hydrophilic groups and at least one hydrophobic group. Gemini surfactants having at least two hydrophobic groups and at least two hydrophilic groups are preferred. The dispersions are used for internal or surface sizing.

L'invention se rapporte à des dispersions de collage de papier qui comprennent: a) au moins un composé de collage de papier et b) un dispersant hydrosoluble contenant au moins deux groupes hydrophiles et au moins un groupe hydrophobe. On utilise de préférence des surfactants jumeaux possédant au moins deux groupes hydrophobes et au moins deux groupes hydrophiles. On utilise les dispersions pour le collage interne ou à la surface.

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