Hair dyeing compositions containing quaternized polymer

A composition suitable for dyeing hair in the presence of an oxidizing agent, said composition being packaged in two parts, said first part comprising an oxidation hair dye in an amount effective to dye hair and a quaternized polymer, and said second part comprising an oxidizing agent, said quaternized polymer having recurring units of the formula ##STR79## wherein R is lower alkyl or --CH.sub.2 --CH.sub.2 OH;

• R' is alkyl or cycloalkyl containing a maximum of 20 carbon atoms, or benzyl,
• or R and R' together represent --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --;
• A is a divalent group selected from
• (1) o-, m- or p-xylylidene of the formula ##STR80## wherein x, y and t are whole numbers ranging from 0 to 11 such that the sum (x+y+t) is greater than or equal to 0 and lower than 18, and E and K represent hydrogen or alkyl having less than 18 carbon atoms,
• (3) --(CH.sub.2).sub.n --S--(CH.sub.2).sub.n --,
• (4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n --,
• (5) --(CH.sub.2).sub.n --S--S--(CH.sub.2).sub.n --,
• (6) --(CH.sub.2).sub.n --SO--(CH.sub.2).sub.n --,
• (7) --(CH.sub.2).sub.n --SO --(CH.sub.2).sub.n -- and ##STR81## wherein n is equal to 2 or 3;
• B represents a divalent group selected from
• (1) o-, m- or p-xylylidene of the formula ##STR82## wherein D and G represent hydrogen or alkyl having less than 18 carbon atoms and v, z and u are whole numbers ranging from 0 to 11, with two of v, z and u simultaneously being capable of being 0, such that the sum (v+z+u) is greater than or equal to 1 and lower than 18 and such that the sum (v+z+u) is greater than 1 when the sum (x+y+t) is equal to 0, ##STR83## (4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n -- wherein n is 2 or 3;
• and X.sup..crclbar. is an anion derived from an organic or mineral acid,
• said polymer being present in an amount between 0.5 and 10 percent by weight of said composition.

A process for dyeing hair comprising

• (a) pretreating said hair by applying thereto an effective amount of an aqueous, alcoholic or hydroalcoholic solution of a quaternized polymer having recurring units of the formula ##STR84## wherein R is lower alkyl or --CH.sub.2 --CH.sub.2 OH;
• R' is alkyl or cycloalkyl containing a maximum of carbon atoms, or benzyl,
• or R and R' together represent --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --;
• A is a divalent group selected from
• (1) o-, m- or p-xylylidene of the formula ##STR85## wherein x, y and t are whole numbers ranging from 0 to 11 such that the sum (x+y+t) is greater than or equal to 0 and lower than 18, and E and K represent hydrogen or alkyl having less than 18 carbon atoms,
• (3) --(CH.sub.2).sub.n --S--(CH.sub.2).sub.n --,
• (4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n --,
• (5) --(CH.sub.2).sub.n --S--S--(CH.sub.2).sub.n --,
• (6) --(CH.sub.2).sub.n --SO--(CH.sub.2).sub.n --,
• (7) --(CH.sub.2).sub.n --SO.sub.2 --(CH.sub.2).sub.n -- and ##STR86## wherein n is equal to 2 or 3;
• B represents a divalent group selected from
• (1) o-, m- or p-xylylidene of the formula ##STR87## wherein D and G represent hydrogen or alkyl having less than 18 carbon atoms or v, z and u are whole numbers ranging from 0 to 11, with two of v, z and u simultaneously being capable of being 0, such that the sum (v+z+u) is greater than or equal to 1 and lower than 18 and such that the sum (v+z+u) is greater than 1 when the sum (x+y+t) is equal to 0, ##STR88## (4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n -- wherein n is 2 or 3;
• and X.sup..crclbar. is an anion derived from an organic or mineral acid;
• said polymer having a molecular weight ranging between 5,000 and 50,000 and being present in an amount between 0.25 and 10 percent by weight of said composition,
• (b) thereafter applying to said hair an effective amount of an oxidation dye composition to dye said hair, and
• (c) shampooing said hair with an anionic or nonionic shampoo.

A hair dye composition in the form of a shampoo comprising

• (a) a cationic, nonionic or anionic detergent present in an amount of about 3-50 percent by weight of said composition,
• (b) an oxidation hair dye in an amount effective to dye hair and
• (c) a quaternized polymer having recurring units of the formula ##STR89## wherein R is lower alkyl or --CH.sub.2 --CH.sub.2 OH;
• R' is alkyl or cycloalkyl containing a maximum of 20 carbon atoms, or benzyl,
• or R and R' together represent --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --;
• A is a divalent group selected from
• (1) o-, m- or p-xylylidene of the formula ##STR90## wherein x, y and t are whole numbers ranging from 0 to 11 such that the sum (x+y+t) is greater than or equal to 0 and lower than 18, and E and K represent hydrogen or alkyl having less than 18 carbon atoms,
• (3) --(CH.sub.2).sub.n --S--(CH.sub.2).sub.n --,
• (4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n --,
• (5) --(CH.sub.2).sub.n --S--S--(CH.sub.2).sub.n --,
• (6) --(CH.sub.2).sub.n --SO--(CH.sub.2).sub.n --,
• (7) --(CH.sub.2).sub.n --SO.sub.2 --(CH.sub.2).sub.n -- and ##STR91## wherein n is equal to 2 or 3;
• B represents a divalent group selected from
• (1) o-, m- or p-xyxylidene of the formula ##STR92## wherein D and G represent hydrogen or alkyl having less than 18 carbon atoms and v, z and u are whole numbers ranging from 0 to 11, with two of v, z and u simultaneously being capable of being 0, such that the sum (v+z+u) is greater than or equal to 1 and lower than 18 and such that the sum (v+z+u) is greater than 1 when the sum (x+y+t) is equal to 0, ##STR93## (4) --(CH.sub.2).sub.n --O--(CH.sub.2).sub.n -- wherein n is 2 or 3;
• and X.sup..crclbar. is an anion derived from an organic or mineral acid,
• said polymer being present in an amount between 0.25 and 10 percent by weight of said composition.