Concentrated biodegradable quaternary ammonium fabric...

D - Textiles – Paper – 06 – M

Patent

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D06M 13/463 (2006.01) C11D 1/62 (2006.01) C11D 1/645 (2006.01) C11D 1/65 (2006.01) C11D 3/00 (2006.01) C11D 3/20 (2006.01) C11D 3/28 (2006.01) C11D 3/30 (2006.01) C11D 3/34 (2006.01) C11D 10/04 (2006.01) C11D 1/72 (2006.01) C11D 1/75 (2006.01)

Patent

CA 2205200

The present invention relates to stable, homogeneous, preferably concentrated, aqueous liquid textile treatment com- positions. The compositions of the present invention contain biodegradable diester quaternary ammonium compounds of for- mula (I), wherein: each Q- is -O-(O)C- or -C(O)-O; n is 1 to 4; each R1 substituent is a short chain C1-C6 alkyl group, benzyl group or mixtures thereof; each R2 is a long chain C11- C21 hydrocarbyl, or substituted hydrocarbyl substituent and the counterion, X-, can be any softener-compatible anion; wherein the biodegradable quaternary ammonium fabric softening com- pound is derived from C11-C21 fatty acyl groups having an Io- dine Value of from greater than about 5 to less than about 100, a cis/trans isomer weight ratio of greater than about 30/70 when the Iodine Value is less than about 25, the level of unsaturation of the fatty acyl groups is less than about 65 % by weight, the aqueous compositions being stable without nonionic viscosity modifiers when the concentration is less than or equal to 13 %.

La présente invention se rapporte à des compositions liquides, aqueuses, de préférence concentrées, homogènes et stables, pour le traitement des textiles. Ces compositions contiennent des composés d'ammonium quaternaire diester biodégradables de la formule (I) dans laquelle chaque Q représente -O-(O)C- ou -C(O)-O-; n vaut de 1 à 4; chaque substituant R<1> représente un groupe benzyle, un groupe alkyle en C1-C6 à chaîne courte ou des mélanges de ceux-ci; chaque R<2> représente un hydrocarbyle en C11-C21 à chaîne longue ou un substituant hydrocarbyle substitué et le contre-ion, X<-> peut représenter tout anion compatible avec l'assouplissant. Le composé d'ammonium quaternaire biodégradable assouplissant les textiles est dérivé des groupes acyle gras en C11-C21 ayant un indice d'iode compris entre environ 5 et environ 100, un rapport pondéral isomère cis/trans supérieur à environ 30/70 lorsque l'indice d'iode est inférieur à environ 25, le niveau d'insaturation des groupes acyle gras étant inférieur à environ 65 % en poids. Ces compositions aqueuses sont stables sans modificateurs de viscosité non ioniques lorsque la concentration dudit composé est inférieure ou égale à 13 %.

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