treated the fibrous material may be composed of for example natural fiber such as wool silk flax cotton angora mohair and asbestos regenerated fiber such as rayon and bemberg semisynthetic fiber such as acetate synthetic fiber such as polyesters polyamides polyacrylonitriles polyvinyl chlorides vinylon polyethylenes polypropylenes and spandex and inorganic fiber such as glass fibers carbon fibers and silicon carbide fibers it may take the form of for example the staple filament tow top or yarn and in its structure may be for example a weave knit or nonwoven fabric the present invention is explained in greater detail but not limited in the following by illustrative examples in the examples unless specified otherwise parts weight parts weight and the viscosity is the value measured at 25 degrees centigrade treatment baths a through f were prepared by blending toluene siloxane a and compound b as reported in table 1 siloxane a str3 compound b c 1 3 h 2 7 o c 2 h 4 o 3 ch 2 cooh table 1______________________________________ formulation parts components a b c d e f ______________________________________siloxane a 9 2 9 2 9 2 9 2 9 2 0compound b 6 3 2 1 1 0 0 2 0 0toluene 985 5 988 7 989 8 990 6 990 8 1000molar ratio 3 1 0 5 0 1 0 compound b toamino groupsin.