| 摘要 |
The present invention relates to a softener active comprising a complex of: (i) a fabric-softening cationic quaternary ammonium di-ester compound comprising a cationic quaternary ammonium component having the formula (I): wherein, each R is independently selected from C<SUB>12</SUB>-C<SUB>22 </SUB>alkyl groups; and (ii) a source of acid selected from the group consisting of C<SUB>12</SUB>-C<SUB>22 </SUB>fatty acids, mono-alkyl esters of a C<SUB>12</SUB>-C<SUB>22 </SUB>alkyl sulphuric adds, C<SUB>11</SUB>-C<SUB>13 </SUB>alkyl benzene sulphonic acids, anionic derivatives thereof, salt thereof, and combinations thereof. |
