| abstract |
A clear or transparent concentrated fabric softener aqueous microemulsion composition capable of conversion to a macroemulsion upon dilution with water comprising: (A) (i) a diester quaternary ammonium surfactant fabric softener selected from the group having the formula structural following: (1) where each A is independently C (O)) - R´ or -O (O) -CR´; R is a lower alkyl group having 1 to about 4 carbon atoms; R 'is an alkyl or alkenyl group having 8 to about 22 carbon atoms; R "is independently a lower alkyl radical having from 1 to about 6 carbon atoms or a hydroxyl alkyl group or H; n is an integer having a value from 1 to about 3; X- is a compatible anion of softener, preferably selected from the group consisting of halide ion and methyl or ethyl sulfate; and (2) where B is independently A or (R) nA; and A, R, R "and n are as defined above; and (3) where A, R, R "and n are as defined above; and / or (ii) a diamido ammonium surfactant fabric softener having the formula: where n, X- and R´ are as defined above, R1 is a lower alkyl radical having 1 to about 4 carbon or hydrogen atoms, and R is an alkylene radical having from 2 to about 4 carbon atoms, (C) an oil perfume invisible in optional water, and (D) an optional fabric cosuavizador selected from the group consisting of fatty alcohols, fatty acids, fatty esters, fatty amines or amine / amides, whereby said microemulsion is convertible to a milky macroemulsion before dilution with water. |