Method of applying chemical softening agents for making soft...

Details Method of applying chemical softening agents for making soft... Method of applying chemical softening agents for making soft...

D - Textiles, Paper

21

H

D21H 27/40 (2006.01) B31F 1/12 (2006.01) D21F 11/00 (2006.01) D21H 27/26 (2006.01)

Patent

CA 2239965

An especially soft creped tissue can be produced by the indirect addition of chemical softening agents to the tissue web by applying the chemical softening agents to the surface of the Yankee dryer, such as by spraying. More specifically, the softening agents can be included as part of the creping adhesive formulation, which is sprayed onto the surface of the Yankee dryer between the creping blade and the pressure roll. The softening agents are subsequently transferred to the tissue sheet surface as the sheet is pressed against the Yankee dryer.

Un papier crêpé particulièrement doux peut être produit par ajout indirect d'adoucissants chimiques à la bande de papier, c'est-à-dire en appliquant lesdits adoucissants à la surface du sécheur Yankee, par atomisation par exemple. Plus précisément, les adoucissants peuvent être intégrés à l'adhésif de crêpage que l'on pulvérise sur la surface du sécheur Yankee entre le docteur crêpeur et le rouleau presseur. Ces adoucissants sont par la suite transférés à la bande de papier lorsque celle-ci passe sur le sécheur Yankee.

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