# US 2013/0156953 A1 · Pretreatment fluids with associative thicker for printing media > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0156953 A1 - Document ID: US20130156953A1 - Status: Published application - Kind: A1 - Application number: 13/329,794 - Filed: 2011-12-19 - Published: 2013-06-20 - Earliest claimed: 2011-12-19 - Assignees: Hewlett-Packard Development Company, L.P. - Inventors: GEORGE SARKISIAN; Ali Emamjomeh - Web page: https://patentgrep.com/patent/US20130156953A1 ## CPC - B05D 1/36: Successively applying liquids or other fluent materials, e.g. without intermediate treatment - B05D 3/002: {Pretreatement} - B05D 3/0263: {with IR heaters} - B05D 3/0413: {Heating with air} - B05D 5/04: to obtain a surface receptive to ink or other liquid (B05D5/02, {B41M5/52} take precedence) - B41M 5/00: Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G {; repeatedly usable boards or tablets for writing or drawing B43L1/00}) - B41M 5/0011: {Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating (after-treatment of prints B41M7/00; printers for treating or overcoating copy materials before, during or after printing B41J11/0015)} - B41M 5/0017: {Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying} - B41M 5/0047: {by ink-jet printing} - B41M 5/0064: {on plastics, horn, rubber, or other organic polymers} - C08L 33/08: Homopolymers or copolymers of acrylic acid esters - C08L 75/04: Polyurethanes - B05D 2201/02: Polymeric substrate - B05D 2350/60: Adding a layer before coating - B05D 2401/20: Aqueous dispersion or solution - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) - B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract A pretreatment fluid for printing media with a pigment ink composition includes a liquid vehicle, at least one polymeric binder selected from the group consisting of acrylic polymers, acrylic copolymers, polyurethanes, salts thereof, and/or combinations thereof; and an associative thickener. The pretreatment fluid has a viscosity of about 10 cps to about 1000 cps and a surface tension of about 16 dynes/cm to about 30 dynes/cm. ## Claims ### Claim 1 A pretreatment fluid for printing media with a pigment ink composition, comprising: a liquid vehicle, at least one polymeric binder selected from the group consisting of acrylic polymers, acrylic copolymers, polyurethanes, salts thereof, and/or combinations thereof, and an associative thickener, the pretreatment fluid having a viscosity of about 10 cps to about 1000 cps and a surface tension of about 16 dynes/cm to about 30 dynes/cm. ### Claim 2 (depends on 1) The pretreatment fluid of claim 1, the associative thickener being selected from the group consisting of a hydrophobically ethoxylated urethane (HEUR) associative thickener, a hydrophobically ethoxylated aminoplast (HEAT) associative thickener, a hydrophobically modified alkali soluble emulsions (HASE) associative thickener, a hydrophobically modified hydroxyethyl cellulose (HMHEC) associative thickener, and mixtures thereof. ### Claim 3 (depends on 2) The pretreatment fluid of claim 2, the associative thickener being provided in the pretreatment fluid in an amount ranging from about 0.1% by weight to about 2% by weight of the pretreatment fluid. ### Claim 4 (depends on 1) The pretreatment fluid of claim 1, the liquid vehicle comprising an aqueous liquid vehicle. ### Claim 5 (depends on 1) The pretreatment fluid of claim 1, the polymeric binder comprising about 1% by weight to about 20% by weight of the pretreatment fluid a water-soluble salt of styrene acrylic and about 1% by weight to about 30% by weight of the pretreatment fluid a water-soluble salt of polyurethane. ### Claim 6 (depends on 1) The pretreatment fluid of claim 1, comprising about 1% by weight to about 50% by weight of the pretreatment fluid an aqueous polymeric binder, about 0.1% to about 2% by weight of the pretreatment fluid an associative thickener, and an aqueous vehicle. ### Claim 7 An aqueous pretreatment fluid for inkjet printing low-porous or non-porous media with an aqueous pigment ink composition, comprising: an aqueous vehicle, about 1% by weight to about 50% by weight of the pretreatment fluid at least one polymeric binder selected from the group consisting of acrylic polymers, acrylic copolymers, polyurethanes, salts thereof, and/or combinations thereof, and about 0.1% by weight to about 2% by weight of the pretreatment fluid an associative thickener. ### Claim 8 (depends on 7) The pretreatment fluid of claim 7, the associative thickener being selected from the group consisting of a hydrophobically ethoxylated urethane (HEUR) associative thickener, a hydrophobically ethoxylated aminoplast (HEAT), and mixtures thereof. ### Claim 9 (depends on 7) The pretreatment fluid of claim 7, the polymeric binder comprising about 1% by weight to about 20% by weight of the pretreatment fluid a water-soluble salt of styrene acrylic and about 1% by weight to about 30% by weight of the pretreatment fluid a water-soluble salt of polyurethane. ### Claim 10 A method of producing a printed image on a low-porous or non-porous medium, the method comprising: applying to the low-porous or non-porous medium a pretreatment fluid, the pretreatment fluid comprising a liquid vehicle, at least one polymeric binder selected from the group consisting of acrylic polymers, acrylic copolymers, polyurethanes, salts thereof, and/or combinations thereof, and an associative thickener, wherein the pretreatment fluid has a viscosity of about 10 cps to about 1000 cps and a surface tension of about 16 dynes/cm to about 30 dynes/cm, and applying a pigment ink composition to the pretreatment fluid applied to the low-porous or non-porous medium, the pretreatment fluid having a viscosity that allows mixing of the pigment ink composition with the pretreatment fluid. ### Claim 11 (depends on 10) The method of claim 10, further comprising drying the pigment composition applied to the pretreatment fluid. ### Claim 12 (depends on 10) The method of claim 10, the pigment ink composition being applied by inkjet printing. ### Claim 13 (depends on 10) The method of claim 10, the pretreatment fluid comprising about 1% by weight to about 50% by weight of the pretreatment fluid a polymeric binder, about 0.1% to about 2% by weight of the pretreatment fluid an associative thickener, and an aqueous vehicle. ### Claim 14 (depends on 13) The method of claim 13, the associative thickener being selected from the group consisting of a hydrophobically ethoxylated urethane (HEUR) associative thickener, a hydrophobically ethoxylated aminoplast (HEAT) associative thickener, a hydrophobically modified alkali soluble emulsions (HASE) associative thickener, a hydrophobically modified hydroxyethyl cellulose (HMHEC) associative thickener, and mixtures thereof. ### Claim 15 (depends on 10) The method of claim 10, the low-porous or non-porous medium comprising a plastic medium.