摘要:
A planographic printing plate precursor comprising: a substrate; a photosensitive layer disposed on the substrate, the photosensitive layer including a light-to-heat conversion agent and a compound, which is at least one of crosslinkable and polymerizable, with solubility of the photosensitive layer in an alkali developing solution being decreased by the effect of at least one of light and heat; and an overcoat layer including a polymer, which is hydrophobic and soluble in an aqueous alkali solution.
摘要:
A method of manufacturing an ink composition is provided and includes the steps of dispersing a coloring material in a dispersion medium to provide a dispersion, and then adding an electric charge generator to the dispersion to form charged particles, in which heating treatment is carried out after the addition of an electric charge generator.
摘要:
The present invention provides a planographic printing plate precursor comprising a photosensitive layer on a support, the photosensitive layer including an infrared absorbent, a radical polymerization initiator and a radical polymerizing compound, the photosensitive layer being recordable with irradiation with an infrared ray, and being at least one of soluble and dispersible in water.
摘要:
An inkjet recording method comprising ejecting an ink composition comprising a dispersion medium and charged particles containing at least a colorant by utilizing an electrostatic field, wherein the method comprises preparing as the ink composition, an initial feeding ink composition and a replenishing ink composition in which solid content concentration is controlled higher than solid content concentration of the initial feeding ink composition, and replenishing the replenishing ink composition in order to compensate decrease in concentration of the charged particles due to ejection of the initial feeding ink composition.
摘要:
A negative working image recording material which comprises the following four components (A) to (D): (A) at least one of compounds represented by following general formulas (I) to (V), or at least one of polymers obtained by radical polymerization using at least one of monomers represented by following general formulas (VI) to (X): (B) at least one cross-linking agent; (C) at least one infrared absorbing agent; (D) at least one novolak resin.
摘要:
A negative-working image recording material is disclosed, which comprises a substance which absorbs light to generate heat, a water-insoluble and aqueous alkali-soluble resin, and a phenol derivative having in its molecule from 4 to 8 benzene rings, at least one phenolic hydroxyl group and at least two groups represented by the following general formula (I):--CH.sub.2 OR.sup.1 (I)wherein R.sup.1 represents a hydrogen atom, an alkyl group or an acyl group. The negative-working image recording material can perform recording independent of the emission wavelength of the exposing light source, particularly with light in the range of from near infrared to infrared (heat irradiation).
摘要翻译:公开了一种负性图像记录材料,其包括吸收光以产生热的物质,水不溶性和碱溶性水溶性树脂,以及分子中具有4至8个苯环的苯酚衍生物,至少一种 酚羟基和由以下通式(I)表示的至少两个基团:-CH 2 OR 1(I)其中R 1表示氢原子,烷基或酰基。 负工作图像记录材料可以独立于曝光光源的发射波长执行记录,特别是在近红外到红外(热照射)的范围内的光。
摘要:
The negative working image recording image recording material of the present invention is a negative working image recording material comprising (A) a compound which acts as a cross-linking agent in the presence of an acid, (B) a binder polymer, (C) a compound which generates an acid by the action of heat and (D) an infrared absorber, wherein (A) the compound which acts as a cross-linking agent in the presence of an acid is a phenol derivative represented by the following general formula (I) or (II) wherein each of the groups is defined and wherein (B) the binder polymer is a polymer having in the side chain an aromatic hydrocarbon ring having directly linked thereto a hydroxyl group or an alkoxy group if (A) is a phenol derivative represented by the general formula (I), but (B) the binder polymer is a polymer having in the main chain or the side chain an aromatic hydrocarbon ring having directly linked thereto a hydroxyl group or an alkoxy group if (A) is a phenol derivative represented by the general formula (II). ##STR1##
摘要:
A light-sensitive composition comprising a diazonium compound and a polymer binder wherein the polymer binder comprises structural units represented by the following formula (I); ##STR1## wherein X represents a single bond, an ester bond or an amide bond; and Y represents a polymer group comprising structural units represented by the following formula (II); ##STR2## where Z represents ##STR3## R.sup.1 and R.sup.3 represent hydrogen atom or methyl group; R.sup.2 and R represent a single bond or a divalent bridging group; and R.sup.5 and R.sup.6 represent hydrogen atom or optionally substituted hydrocarbon group having 1 to 15 carbon atoms; and R.sup.7 represents an optionally substituted hydrocarbon group having 1 to 15 carbon atoms. The present light-sensitive composition exhibits extremely enhanced sensitivity and hence gives sufficient image formation with a short light exposure time.
摘要:
The present invention provides a method of producing a planographic printing plate, including ejecting a photo-polymerizable ink composition containing at least one polymerization-initiating substance having a molar extinction coefficient of 1,000 M−1cm−1 or more in a wavelength range of 400 nm to 700 nm on a support, and polymerizing and hardening the ink deposited on the support by irradiation of the ink with light from a light source having an output of 1,000 W or less, and a planographic printing plate obtained by the method.
摘要:
A liquid ink composition is provided and contains: charged particles including at least a coloring material; (a) at least a compound selected from an organic acid and a metal salt thereof; and (b) at least a compound selected from a basic compound and an onium salt. An ink jet recording method is provided and has a step of ejecting the same liquid ink composition as ink droplets.