| 摘要 |
THE INVENTION PROVIDES A METHOD OF IMPROVING THE VISCOSITY STABILITY UPON STORAGE OF A FABRIC SOFTENING COMPOSITION COMPRISING:(A) 0.5% TO 30% BY WEIGHT OF AT LEAST ONE ESTER-LINKED QUATERNARY AMMONIUM FABRIC SOFTENING COMPOUND, (B) PERFUME, AND (C) AN ALKOXYLATED NONIONIC SURFACTANT, BY THE INCLUSION IN THE COMPOSITION OF AT LEAST ONE OILY SUGAR DERIVATIVE IN A WEIGHT RATIO OF SUFTENING COMPOUND TO SUGAR DERIVATIVE IN THE RANGE 30: 1 TO 1:1.ALSO PROVIDED ARE A FABRIC SOFTENING COMPOSITION PRODUCED BY THE METHOD OF THE INVENTION, A METHOD OF TREATING FABRIC BY APPLYING THERETO SAID COMPOSITION AND THE USE OF A PARTICULAR OILY SUGAR DERIVATIVES TO PROVIDE VISCOSITY STABILITY AT 37°C TO A FABRIC SOFTENING COMPOSITION COMPRISING 0.5% TO 30% BY WEIGHT OF AT LEAST ONE ESTER-LINKED QUATERNARY AMMONIUM FABRIC SOFTENING COMPOUND , A PERFUME AND AN ALKOXYLATED NONIONIC SURFACTANT.
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