Abstract: An inkjet recording element comprising a porous ink-receiving layer having interconnecting voids is disclosed in which an upper surface of the ink-receiving layer has been subjected to plasma treatment, and wherein the upper surface of the ink-receiving layer, prior to the plasma treatment, has a measured carbon elemental content of at least 40 percent. The invention can provide increased dot spread.

Abstract: An apparatus and method of treating a recording element are provided. The apparatus includes a carrier removal station adapted to remove a predetermined percentage of carrier present in the recording element. A converting station is positioned downstream from the carrier removal station and is adapted to increase a durability characteristic of the recording element. A controller is electrically connected to at least one of the carrier removal station and the converting station so that an operating parameter of at least one of the carrier removal station and the converting station is individually adjustable.

Abstract: A recording element printing and treating system and method are provided. The system includes a printhead for dispensing a liquid comprising a carrier onto a recording element. A carrier removal station positioned downstream from the printhead removes a predetermined percentage of carrier present in the recording element. A converting station positioned downstream from the carrier removal station increases a durability characteristic of the recording element. In one embodiment, printing, carrier removal, and converting are accomplished in a single unit. In an alternative embodiment, printing is accomplished in a stand alone unit while carrier removal and converting are accomplished in a second stand alone unit. In this alternative embodiment, transfer of the recording element can be accomplished automatically using a mechanical device or manually by a system user.

Abstract: An ink jet ink set and recording element combination comprising: A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based ink jet ink set comprising at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): 1 RGD ⁢   ⁢ % =   ⁢ ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁡ ( Imaged ⁢   ⁢ Areas ) I - Gloss ⁡ ( Non ⁢   ⁢ Imaged ⁢   ⁢ Areas ) &RightBracketingBar; ∑ I = 1 N ⁢ Gloss ⁡ ( Imaged ⁢   ⁢ Areas ) I Equation ⁢   ⁢ ( A )

Abstract: An ink jet ink set and recording element combination including A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based inkjet ink set including at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): RGD ⁢   ⁢ % = ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁢  

Abstract: This invention relates to an ink jet ink composition comprising water, a humectant, and polymer-dye particles, wherein said polymer-dye particles comprise a colorant phase containing a water insoluble dye, and a polymer phase, said particles being associated with a water-dispersible polymeric co-stabilizer. This invention further relates to an ink jet printing method utilizing the above ink jet ink composition.

Abstract: An inkjet recording system comprising a pigment-based ink in combination with a recording element having a porous substrate with relatively large pores and a relatively thin overlying surface layer which traps pigment particles, from an applied pigmented ink, at or near the surface while not unduly restricting ink flow into the underlying porous substrate.

Abstract: An ink jet printing method, including the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording elements with a support having thereon an image-receiving layer of a polymer having a given contact angle; C) loading the printer with an ink jet ink composition; D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals to form an imaged recording element; and E) heating the imaged recording element sufficiently to cause the layer of polymer to increase the contact angle at least about 15 degrees.

Abstract: A method of selecting inks within an inkjet ink set for color printing includes: a) providing at least two color inks, each ink having a carrier and a pigment; b) printing the above inks onto a receiver using test images consisting of single color patches of a Dmax density (100% dot coverage); c) measuring the gloss level of each patch at a predefined specular angle; d) calculating the Relative Gloss Variability (RGV) values of the ink set based on the definition in Equation A; and e) selecting inks for the color set such that the Relative Gloss Variability (RGV) among inks is less than 10% when 60° is used as the specular angle: RGV ⁡ ( % ) = ∑ I = 1 N

Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink jet recording elements with a support having thereon an image-receiving layer of a polymer having a given contact angle; C) loading the printer with an ink jet ink composition; D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals to form an imaged recording element; and E) heating the imaged recording element sufficiently to cause the layer of polymer to increase the contact angle at least about 15 degrees.

Abstract: A method of selecting a pigment ink set and receiver in combination including: printing at least two color inks onto a set of receiver to form single color patches of a Dmax density (100% dot coverage); measuring the gloss level of each patch and the receiver at a predefined specular angle; calculating the Relative Gloss Difference (RGD%) value of the ink set and receiver combination; and selecting the ink set and receiver such that RGD value is less than 40% when 60° is used as the specular angle, and the RGD value is calculated according to Equation (A): RGD ⁢   ⁢ % = ∑ I = 1 N

Abstract: An ink jet ink set and recording element combination including A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based ink jet ink set including at least two inks; wherein the RGD value is less than 40% and RGV value among inks is less than 10% when 60° is used as the specular angle; the RGD and RGV values are calculated according to Equations (A) and (B), respectively:   ⁢ Equation ⁢   ⁢ ( A ) RGD ⁢   ⁢ % = &AutoLeftMatch;   ⁢ ∑ I =

Abstract: An ink jet ink set and recording element combination comprising: A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based inkjet ink set comprising at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): 1 RGD ⁢   ⁢ % = ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁢   ⁢ ( Imaged ⁢   ⁢ Areas ) I - Gloss ⁢   ⁢ ( Non ⁢   ⁢ Imaged ⁢   ⁢ Areas ) &RightBracketingBar; ∑ I = 1 N ⁢ Gloss ⁢   ⁢ ( Imaged ⁢   ⁢ Areas ) I Equation ⁢   ⁢ (A)

Abstract: A method of selecting inks within an inkjet ink set for color printing comprises: a) providing at least two color inks, each ink comprising a carrier and a pigment; b) printing the above inks onto a receiver using test images consisting of single color patches of a Dmax density (100% dot coverage); c) measuring the gloss level of each patch at a predefined specular angle; d) calculating the Relative Gloss Variability (RGV) values of the ink set based on the definition in Equation A; and e) selecting inks for the color set such that the Relative Gloss Variability (RGV) among inks is less than 10% when 60° is used as the specular angle: 1 RGV ⁡ ( % ) = ∑ I = 1 N ⁢ | ( Gloss ⁡ ( Imaged ⁢   ⁢ Area ) I - AG ) | AG / N Equation ⁢   ⁢ ( A )

Abstract: An ink jet ink set and recording element combination comprising: A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based ink jet ink set comprising at least two inks; wherein the RGD value is less than 40% and RGV value among inks is less than 10% when 60° is used as the specular angle; the RGD and RGV values are calculated according to Equations (A) and (B), respectively: 1 RGD ⁢   ⁢ % = ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁢   ⁢ ( Imaged ⁢   ⁢   ⁢ Areas ) I - Gloss ⁢   ⁢ ( Non ⁢   ⁢ Imaged ⁢   ⁢ Areas &RightBracketingBar; ∑ I = 1 N ⁢ Gloss ⁡ ( Imaged ⁢   ⁢ Areas ) I Equation ⁢   ⁢ ( A ) RGV ⁢   ⁢ ( % ) = ∑ I = 1 N ⁢ | ( Gloss ⁡ ( Imaged ⁢   ⁢ Area ) I - AG ) | AG / N ⁢ &NewLin

Abstract: A method of selecting pigment ink set and a receiver combination for inkjet color printing comprising:

Abstract: An ink jet printing method, having the steps of: A) providing an ink jet printer that is responsive to digital data signals, B) loading the printer with ink-receptive elements having a support having thereon a continuous, coextensive porous ink-receptive layer, C) loading the printer with an ink jet ink composition comprising an aqueous-dispersible polyester having contained therein a water-insoluble dye, and D) printing on the ink-receptive element using the ink jet ink in response to the digital data signals.

Abstract: An ink jet printing process for improving the ozone stability an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon a porous image-receiving layer having interconnecting voids; and b) applying droplets of a liquid ink on the image-receiving layer in an image-wise manner, the ink comprising water, humectant and a metallized, phthalocyanine dye, the metallized, phthalocyanine dye comprising the formula: MPc(SO3X)a(SO2NRR′)b.

Abstract: An ink jet printing process for improving the ozone stability of an inkjet image comprising:

Abstract: An ink jet printing method, having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink-receptive elements having a support having thereon a continuous, coextensive porous ink-receptive layer; C) loading the printer with an ink jet ink composition comprising an aqueous-dispersible polyester having contained therein a water-insoluble dye; and D) printing on the ink-receptive element using the ink jet ink in response to the digital data signals.