Paper products containing a biodegradable vegetable oil...

D - Textiles – Paper – 21 – H

Patent

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Details

D21H 17/14 (2006.01) D21H 17/00 (2006.01) D21H 17/02 (2006.01) D21H 17/07 (2006.01) D21H 21/24 (2006.01)

Patent

CA 2198857

Fibrous cellulose materials useful in the manufacture of soft, absorbent paper products such as paper towels, facial tissues, and toilet tissue are disclosed. The paper products contain a biodegradable vegetable oil based ester-functional quaternary ammonium chemical softening compound. Examples of preferred vegetable oil based ester-functional quaternary ammonium chemical softening compounds include diester dioleyldimethyl ammonium chloride (DEDODMAC) (i.e., di(octadec-z-9-enoyloxyethyl)dimethylammonium chloride) and diester dierucyldimethyl ammonium chloride (DEDEDMAC) (i.e., di(docos-z-13- enoyloxyethyl)dimethylammonium chloride). Depending upon the paper product characteristic requirements, the saturation level of the fatty acyl groups of the vegetable oils can be tailored. Variables that need to be adjusted to maximize the benefits of using unsaturated vegetable oil based acyl groups include the Iodine Value (IV) of the fatty acyl groups; and the cis/trans isomer weight ratios in the fatty acyl groups.

L'invention se rapporte à des matières cellulosiques fibreuses s'utilisant dans la fabrication de produits en papier absorbants et doux, tels que des serviettes en papier, des mouchoirs en papier et du papier hygiénique. Ces produits en papier renferment une composition adoucissante chimique d'ammonium quaternaire à fonction ester à base d'huile végétale biodégradable. Des exemples de ces compositions préférées adoucissantes d'ammonium quaternaire à fonction ester à base d'huile végétale comprennent le chlorure de diester dioleyldiméthyl ammonium (DEDODMAC) (c.-à-d. du chlorure de di(octadec-z-9-énoyloxyéthyl)diméthylammonium) et le chlorure de diester dierucyldiméthyl ammonium (DEDEDMAC) (c.-à-d. du chlorure de di(docos-z-13-énoyloxyéthyl)diméthylammonium). En fonction des caractéristiques exigées pour ces produits en papier, il est possible d'adapter le niveau de saturation des groupes acyle gras des huiles végétales. Des variables devant être ajustées pour accroître les avantages des groupes acyle à base d'huile végétale insaturée comprennent l'indice d'iode (IV) des groupes acyle gras, et les rapports pondéraux d'isomères cis/trans dans les groupes acyle gras.

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