Antimicrobic, antistatic siloxane compositions and method for treating materials

A composition comprising

• (A) 100 parts by weight of a silane having the formula
• Z.sup..crclbar. YR.sub.2 NR.sup..crclbar. 'SiX.sub.g R.sub.(3-g)
• wherein Z.sup..crclbar. denotes a halide ion, Y denotes a monovalent hydrocarbon radical containing from 10 to 20 carbon atoms, R denotes a monovalent hydrocarbon or halogenated hydrocarbon radical containing from 1 to 10 carbon atoms, R' denotes an alkylene radical having from 2 to 10 carbon atoms, X denotes an alkoxy radical or an alkoxyalkoxy radical containing from 1 to 4 carbon atoms and g has a value of 2 or 3, and
• (B) from 1 to 100 parts by weight of an organopolysiloxane compound which contains, in each molecule, at least one siloxane unit having the formula
• X.sub.a R.sub.(3-a) SiR"'SiR.sub.b O.sub.(3-b)/2
• and at least one siloxane unit having the formula
• R"(OC.sub.3 H.sub.6).sub.c (OC.sub.2 H.sub.4).sub.d OR'SiR.sub.e O.sub.(3-e)/2
• wherein R, R' and X are as noted above for component (A), R" denotes a hydrogen atom or a monovalent organic radical having from 1 to 5 carbon atoms, R'" denotes an oxygen atom or an alkylene radical having from 2 to 4 carbon atoms, a=1, 2 or 3;
• b=0, 1 or 2;
• c=0 to 50;
• d=0 to 50;
• c+d=2 to 100;
• and e=1 or 2, any remaining siloxane units in the organopolysiloxane compound having the formula R.sub.f SiO.sub.(4-f)/2 wherein R has the meaning denoted above for components (A) and (B) and f=0, 1, 2 or 3.