C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/02 (2006.01) C09C 3/06 (2006.01) D21H 19/38 (2006.01) D21H 27/00 (2006.01)
Patent
CA 2703843
The present invention relates to the use of a surface-reacted natural calcium carbonate as filler in tissue paper products, to a process to prepare tissue paper products, and to a tissue paper product featuring an improved softness, wherein said surface-reacted natural calcium carbonate is the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.
La présente invention porte sur l'utilisation d'un carbonate de calcium naturel ayant subi une réaction de surface, en tant que charge dans des produits de papier de soie, sur un procédé visant à préparer des produits de papier de soie présentant une douceur améliorée et sur un produit de papier de soie possédant une douceur améliorée, ledit carbonate de calcium naturel ayant subi une réaction de surface étant le produit de la réaction d'un carbonate de calcium naturel avec un acide et du dioxyde de carbone, formé in situ par un traitement acide et/ou fourni de manière externe.
Gane Patrick Arthur Charles
Gisella Uwe
Laufmann Maximilian
Rigway Catherine Jean
Benoit & Cote Associes Inc.
Omya Development Ag
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