D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 13/46 (2006.01) C11D 1/04 (2006.01) C11D 1/62 (2006.01) C11D 3/00 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) D06M 13/203 (2006.01)
Patent
CA 2403458
In a concentrated fabric softening composition comprising an aqueous dispersion of less than 30 % by weight of quaternary ammonium fabric softening material which comprises two C12-C22 alkyl or alkenyl groups connected to the molecule via at least one ester link, such as ester quat, improved stability of the viscosity on storage is obtained by including an unsaturated C8-C24 fatty acid, wherein the weight ratio of quaternary ammonium material to unsaturated material is greater than 10:1.
L'invention se rapporte à une composition adoucissante, concentrée, pour textiles, comportant une dispersion aqueuse de moins de 30 % en poids d'une substance adoucissante pour textiles à base d'ammonium quaternaire qui contient deux groupes alcényle ou alkyle C¿12?-C¿22? reliés à la molécule par l'intermédiaire d'au moins une liaison ester, du type ester-quat. On améliore la stabilité de la viscosité lors du stockage en incorporant à la composition un acide gras C¿8?-C¿24? insaturé, le rapport pondéral de la substance à base d'ammonium quaternaire à la substance insaturée étant supérieur à 10:1.
Cahill Gary
Fan Shimei
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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