Provided is an image forming method including applying an ink that forms an image by inkjetting an ink composition containing coloring particles, a water-soluble polymerizable compound, a polymerization initiator and water onto a recording medium in which a base paper, a first layer containing a binder, and a second layer containing a white pigment are layered in this order, and a Cobb water absorption degree on a surface of the first layer placed on the base paper is 5.0 g/m
2
or less as measured by a water absorption degree test according to JIS P8140 with a contact time of 15 seconds, and a water absorption amount on a surface of the second layer is 2 mL/m
2
to 8 mL/m
2
as measured by a Bristow method with a contact time of 0.5 seconds.
INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD
申请人:KAMADA Toshihiro
公开号:US20120141679A1
公开(公告)日:2012-06-07
An ink composition includes: (Component a) a polymerizable compound having an ethylenically unsaturated double bond; (Component b) a polymerization initiator; (Component c) water; and (Component d) a polyhydric alcohol having an alkyleneoxy chain, wherein the (Component a) polymerizable compound includes a monofunctional polymerizable monomer having a (meth)acrylamide structure, and a content of the monofunctional polymerizable monomer is 5% by mass or more with respect to a total content of the (Component a) polymerizable compound.
INK FOR INKJET RECORDING, INK SET, IMAGE FORMING METHOD AND MAINTENANCE METHOD
申请人:FUJIFILM CORPORATION
公开号:US20150091973A1
公开(公告)日:2015-04-02
An ink for inkjet recording is provided, the ink including water, a coated carbon black that includes a carbon black pigment having a TEA adsorption capacity of 0.5 meq/g or more and a resin that coats the carbon black, resin particles, and a water-soluble organic solvent having an SP value of less than 28 at a content of 2% by mass or more with respect to the total mass of the ink for inkjet recording, wherein a product of a glass transition temperature of the resin particles and the TEA adsorption capacity of the carbon black pigment is 40° C.·meq/g or more. An ink set, an image forming method, and a maintenance method are also provided.
Ink composition, method of producing the same, ink set, and image forming method
申请人:Fujifilm Corporation
公开号:EP2374851A2
公开(公告)日:2011-10-12
The present invention provides an inkjet ink composition, which has excellent ink-ejection reliability over a long time and capability of forming an image without defects such as white spots, and which includes: a pigment coated with a dispersant polymer; a water soluble polymerizable compound; a polymerization initiator; and water, the dispersant polymer being formed from a water soluble dispersant by crosslinking with a crosslinking agent.
Provided is an image forming method including applying an ink that forms an image by inkjetting an ink composition containing coloring particles, a water-soluble polymerizable compound, a polymerization initiator and water onto a recording medium in which a base paper, a first layer containing a binder, and a second layer containing a white pigment are layered in this order, and a Cobb water absorption degree on a surface of the first layer placed on the base paper is 5.0 g/m2 or less as measured by a water absorption degree test according to JIS P8140 with a contact time of 15 seconds, and a water absorption amount on a surface of the second layer is 2 mL/m2 to 8 mL/m2 as measured by a Bristow method with a contact time of 0.5 seconds.