摘要:
An image forming method which imparts two or more kinds of liquid compositions onto a recording medium to form an image thereon, the image forming method comprising the steps of: preparing plural liquid compositions including a first liquid composition containing a functional substance, an anionic amphiphilic polymer, and a liquid medium, and a second liquid composition containing a functional substance, a polyvalent cation, an anionic amphiphilic polymer, and a liquid medium, at least one of the polymer in the first composition and the polymer in the second composition being a block polymer or a graft polymer, and imparting the first and second compositions onto the medium to bring the first and second compositions into contact with each other to cause at least one to thicken.
摘要:
A functional-substance-including structured material having good dispersion stability, and an ink composition, which inhibits aggregation by interaction between particles, and has stable dispersibility in a solvent and good coloring ability and fixing ability. The functional-substance-including structured material comprises a plurality of functional substances different from each other physically included in a block polymer or graft polymer. The ink composition comprises the functional-substance-including structured material, and a solvent or dispersing medium.
摘要:
The present invention relates to a stimuli-responsive composition that comprises a polymer, a solvent and a substance having a predetermined function. One embodiment of the present invention is a composition comprising a block polymer, a solvent and a substance having a predetermined function. The present invention also relates to an ink composition containing the composition, an image-forming method and an image-forming apparatus using the composition, and a recording medium applying the composition. Further, the present invention relates to an ABC type block polymer compound wherein the polymer is an ABC type triblock polymer, and wherein at least one of the blocks in the triblock polymer changes in nature from solvophilic to solvophobic or from solvophobic to solvophilic in response to stimuli, and more preferably, the A component, then the B component, and finally the C component respond to the stimuli.
摘要:
Disclosed herein is an ink including a coloring material, a resin and a solvent, wherein the resin is a block copolymer of a polyvinyl ether structure having a hydrophilic segment and a hydrophobic segment, and the hydrophilic segment of the block copolymer has a number average molecular weight of 1,000 to 50,000 and an HLB value of 4 to 18.
摘要:
The present invention provides a block polymer that comprises a plurality of block segments, wherein at least one block segment comprises a repeating unit having an ester moiety bonded to a main chain in a forward direction through a connecting group of two or more atoms, and the block polymer has a molecular weight distribution (Mw/Mn) of 1.3 or less. Also provided is a polymer composition containing the above block polymer and a functional material.
摘要:
A compound represented by the following general formula (1): (1) wherein A represents an alkenyl ether group which may be substituted; B represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer from 0 to 30; when m is larger than 1, B may be different from each other; D represents a single bond or a linear or branched alkylene group having 1 to 10 carbon atoms which may be substituted; E represents any one of an aromatic ring which may be substituted, a condensed ring which may be substituted, and a structure formed by bonding through single bonds at most three aromatic rings which may be substituted; R represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms which may be substituted, or an aromatic ring which may be substituted; n represents a positive number larger than 1; a COOR group in the formula is substituted into the aromatic ring of E; and a hydrogen atom in the aromatic ring, which is not substituted with COOR, may be substituted.
摘要:
In an image forming method in which at least two kinds of ink compositions are applied onto a recording medium to form an image on the recording medium, the image forming method has the steps of providing a first ink composition containing a solvent, a coloring material and a block polymer having at least an anionic block segment for dispersing the pigment in the solvent, and a second ink composition containing a solvent, a dye and a polyvalent metal ion having reactivity with the block polymer; and applying the first ink composition and the second ink composition onto the recording medium to bring the first ink composition into contact with the second ink composition.
摘要:
Disclosed herein is an image recording process for recording an image on a recording medium, which comprises the step of recording the image on the recording medium with an ink, and applying a liquid composition comprising an amphiphilic block copolymer and a solvent to at least one of a region in which the image has been recorded with the ink and a region in which no image is recorded with the ink.
摘要:
A block polymer comprised of a polyalkenyl ether main chain comprises a first block segment having hydrophobicity; a second block segment having an upper limit hydration temperature exceeding 70° C.; and a third block segment having an ionic property. A polymer-containing composition comprises the block polymer, a solvent or a dispersing medium, and a functional substance. An ink composition comprises the polymer-containing composition wherein the functional substance is colorant. A liquid application method comprises the steps of preparing the polymer-containing composition; and applying the polymer-containing composition to a medium. A liquid application apparatus comprises a liquid application means which makes energy act on the polymer-containing composition to apply the composition; and a drive means which drives the liquid application means. The polymer compound is capable of satisfactorily dispersing a functional substance in a solvent.
摘要:
A composition and a recording medium are disclosed including a polymer having as a repeating structural unit an alkenyl ether structure exhibiting cationic properties. Also disclosed is a recording medium/functional-substance dispersed composition set including a combination of the above recording medium and a functional-substance dispersed composition which exhibits anionic properties and contains an aqueous medium and a functional substance; and a liquid-applying method and a liquid-applying apparatus which make use of the set.