Aqueous dispersions, their production and use

A process for treating a textile material with a main textile treatment agent (T2) comprising the steps:

• providing a vessel;
• providing a textile material;
• providing an aqueous liquor;
• adding textile treatment agent (T2);
• adding an aqueous dispersion (L) comprising:
• (a) a wax which is
• (a1) a carboxyl-containing hydrocarbon wax or a mixture of such waxes or a mixture of (a1) and
• (a2) at least one unmodified hydrocarbon wax,
• (b) a compound selected from the group consisting of:
• polyacrylamide;
• copolyacrylamide;
• copolymethacrylamide;
• polymethacrylamide;
• or mixtures thereof, which is
• (b1) at least one macrocompound where said macro compound is selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight
• {overscore (M)}W=n·106, where n≧10,
• or a mixture of (b1) and
• (b2) at least one compound selected from the group consisting of a homopolymer of acrylamide or methacrylamide, or a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxy containing comonomer, having an average molecular weight {overscore (M)}W≦10·106, where components (a) and (b) constitute dispersed particles, said dispersed particles range in size from 0.01 to 10 μm;
• and (d) a dispersant system consisting of amphoteric, anionic and/or nonionic surfactants;
• adding the main textile treatment agent (T2);
• optionally adding customary textile auxiliary chemicals;
• contacting the said textile material with said aqueous bath;
• optionally providing customary heating;
• optionally providing rinsing;
• and optionally providing washing.

The process for aftertreatment of a textile material comprising the steps:

• providing a jet-dyeing vessel;
• providing a textile material;
• providing an aqueous liquor;
• adding textile aftertreatment agent (T3);
• adding an aqueous dispersion (L) comprising:
• (a) a wax which is
• (a1) a carboxyl-containing hydrocarbon wax or a mixture of such waxes or a mixture of (a1) and
• (a2) at least one unmodified hydrocarbon wax,
• (b) a compound selected from the group consisting of:
• polyacrylamide;
• copolyacrylamide;
• copolymethacrylamide;
• polymethacrylamide;
• or mixtures thereof, which is
• (b1) at least one macrocompound where said macro compound is selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight
• {overscore (M)}W=n·106, where n≧10,
• or a mixture of (b1) and
• (b2) at least one compound selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight {overscore (M)}W<10·106, where components (a) and (b) constitute dispersed particles, said dispersed particles range in size from 0.01 to 10 μm;
• and (d) a dispersant system consisting of amphoteric, anionic and/or nonionic surfactants;
• adding the textile aftertreatment agent (T3);
• optionally adding customary textile auxiliary chemicals;
• contacting the said textile material with said aqueous bath;
• optionally providing customary heating;
• optionally providing rinsing;
• and optionally providing washing.

A process for the dyeing or optical brightening of a textile material comprising the steps:

• providing a vessel;
• providing a textile material;
• a providing an aqueous liquor;
• adding aqueous textile treatment agent (T2);
• adding an aqueous dispersion (L) comprising:
• (a) a wax which is
• (a1) a carboxyl-containing hydrocarbon wax or a mixture of such waxes or a mixture of (a1) and
• (a2) at least one unmodified hydrocarbon wax,
• (b) a compound selected from the group consisting of:
• polyacrylamide copolyacrylamide;
• copolymethacrylamide;
• polymethacrylamide;
• or mixtures thereof, which is
• (b1) at least one macrocompound where said macro compound is selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/of methacrylamide with a carboxyl containing comonomer, having an average molecular weight
• {overscore (M)}W=n106, where n≧10,
• or a mixture of (b1)and
• (b2) at least one compound selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight {overscore (M)}W<10 106.
• where components (a) and (b) constitute dispersed particles, said dispersed particles range in size from 0.01 to 10 μm;
• and (d) a dispersant system consisting of amphoteric, anionic and/or nonionic surfactants;
• optionally providing customary textile auxiliary chemicals;
• contacting said bath with said textile material;
• optionally providing heating;
• optionally providing rinsing;
• and optional providing washing.

A process for the treatment of textile material with a treatment agent (T) selected from:

• aqueous textile pretreatment agents (T1)
• aqueous textile treatment agents for the dyeing or optical brightening of a
• textile material (T2)
• or aqueous textile aftertreatment agents (T3),
• comprising the step of contacting the said textile material with an aqueous liquor containing (T) by an exhaust method from the aqueous liquor under treatment conditions as would otherwise lead to the formation of running crease and/or chafe marks, characterized in that the treatment with (T) is carried out in the presence of an aqueous dispersion (L) comprising:
• (a) a wax which is
• (a1) a carboxyl-containing hydrocarbon wax or a mixtures of such waxes
• or a mixture of (a1) and
• (a2) at least one unmodified hydrocarbon wax, and
• (b) a compound selected from the group consisting of polyacrylamide;
• copolyacrylamide;
• copolymethacrylamide:
• polymethacrylamide;
• or mixtures thereof which is
• (b1) at least one macrocompound where said macro compound is selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight
• {overscore (M)}W=n106, where n≧10,
• or a mixture of (b1) and
• (b2) at least one compound selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight {overscore (M)}W<10·106,
• in which (a) and (b) are particles which range in size from 0.01 to 10 μm and are dispersed in the aqueous phase by means of a dispersant system (D), and, after the treatment with (T) In the presence of (L), the liquor is drained and the
• said textile material is optionally rinsed and/or washed.

Aqueous dispersion (L) for use as an adjuvant in the treatment of textiles comprising:

• (a) a wax which is
• (a1) a carboxyl-containing hydrocarbon wax or a mixture of such waxes or a member of (a1) and
• (a2) at least one unmodified hydrocarbon wax,
• (b) a compound selected from the group consisting of:
• polyacrylamide;
• copolyacrylamide;
• copolymethacrylamide;
• polymethacrylamide;
• or mixtures thereof which is
• (b1) at least one macrocompound where said macro compound is selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight
• {overscore (M)}W=n·106, where n≧10,
• or a mixture of (b1) and
• (b2) at least one compound selected from the group consisting of a homopolymer of acrylamide or methacrylamide, a copolymer of acrylamide and methacrylamide, or a copolymer of acrylamide and/or methacrylamide with a carboxyl containing comonomer, having an average molecular weight {overscore (M)}W<10·106,
• wherein (b) is crosslinked with a bifunctional crosslinking agent (c), where components (a) and (b) constitute dispersered particles, said dispersed particles range in size from 0.01 to 10 μm;
• (d) a dispersant system consisting of amphoteric, anionic and/or nonionic surfactants, and at least one of component selected from
• (e) a hydrotrope and/or protective colloid and/or (f) an agent for controlling the harmful effect of microorganisms,
• which is essentially free from components other than (a), (b), (c), (d), (e), (f), water and any electrolytes.