Abstract:
A hydrophilic film forming composition contains (A-1) an alkylene oxide compound having at least 2 hydroxyl groups in the molecule thereof, (B) an alkoxide compound of an element selected from Si, Ti, Zr and Al and (C) a hydrophilic polymer having a silane coupling group at the polymer terminal; and a hydrophilic film forming composition contains (A-2) a compound that contains, in the molecule thereof, at least one of a 5-membered cyclic structure having a hydrophilic group and a 6-membered cyclic structure having a hydrophilic group, and a silane coupling group; and (B) an alkoxide compound of an element selected from Si, Ti, Zr and Al.
Abstract:
According to an aspect of the invention, there is provided an organic silicon compound represented by the following Formula (I) or Formula (II): (R1)x(OR2)3-xSi-L1-(A)-L2-Si(OR3)3-y(R4)y Formula (I) (R5)z(OR6)3-zSi-L3-(B)—R7 Formula (II) wherein, R1 to R6 each independently represent a hydrogen atom or a hydrocarbon group having 8 or less carbon atoms; R7 represents a hydrogen atom or a monovalent non-metal atom group; x, y and z each independently represent an integer from 0 to 2; L1, L2 and L3 each independently represent a divalent linking group having three or more different atoms selected from the group consisting of a carbon atom, a hydrogen atom, an oxygen atom, a nitrogen atom and a sulfur atom; and A and B each independently represent a polymer or oligomer having a repeating structure formed by a structural unit.
Abstract:
A hydrophilic composition containing (A) a hydrophilic polymer having a structural unit represented by the following formula (I-b) and having a functional group represented by the following formula (I-a) at a terminal end of the polymer chain, and (B) an alkoxide compound containing an element selected from Si, Ti, Zr and Al, and a hydrophilic member having a hydrophilic film formed, on a substrate, by forming a film of the hydrophilic composition and heating and drying the same. Formula (I-a) Formula (I-b) In the formulae, R1 to R4 each represent a hydrogen atom or a hydrocarbon group having 8 or less carbon atoms; m represents 0, 1, or 2; Y represents a bivalent connection group having, for example, —CO2— or —NHCO—; L represents a single bond or an n-valent organic connection group; n represents an integer of 1 to 4; and A represents a hydrophilic group.
Abstract:
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.
Abstract:
A lithographic printing plate precursor comprises: a support; and an image recording layer that contains image forming particles and a non-water-soluble binder, the non-water-soluble binder interacting with the surface of the image forming particles. A lithographic printing plate precursor comprises: a support; and an image recording layer that contains a polymer binder and particles, wherein the particles are microcapsules having a polymerizable functional group as a wall material.
Abstract:
A lithographic printing plate precursor comprising: a support; an image recording layer comprising (A) an actinic ray absorber, (B) a polymerization initiator, and (C) a polymerizable compound, wherein the image recording layer is capable of being removed with at least one of a printing ink and a fountain solution; and an overcoat layer comprising an inorganic laminar compound. And a lithographic printing method comprising: mounting a lithographic printing plate precursor on a printing press; imagewise exposing the lithographic printing plate precursor with laser beams; and feeding at least one of a printing ink and a fountain solution to the lithographic printing plate precursor to remove a laser beams non-exposed area in an image recording layer; and performing printing.
Abstract:
A process for producing polymer fine particles comprising: dispersing a solution obtained by dissolving a hydrophobic polymer in a solvent immiscible with water in an aqueous phase comprising fine particles of an oxide or hydroxide of at least one element selected from the group consisting of elements belonging to 2 to 15 groups in the periodic table using a surfactant; or dispersing a solution obtained by dissolving a hydrophobic polymer in a solvent immiscible with water in an aqueous phase comprising a water-soluble resin; and then removing the solvent from the oil droplets to form polymer fine particles dispersed in water.
Abstract:
A method of producing a lithographic printing plate which comprises subjecting a printing plate precursor comprising a support having a metallic compound layer which has a photo-catalytic property and a hydrophilic surface and bears light-heat convertible minute particles on the surface thereof to imagewise irradiation of heat mode to convert polarity of the metallic compound layer, thereby forming an imagewise hydrophobic region. The lithographic printing plate can be repeatedly employed.
Abstract:
A light-sensitive sheet comprises an aluminum alloy support and a light-sensitive layer. The aluminum alloy support contains grains of secondary phase. The maximum grain size of the grains of secondary phase essentially is less than 5 .mu.m. Silver halide light-sensitive materials having the aluminum alloy support are also disclosed.
Abstract:
Disclosed are a photoconductive composition containing a new bisazo compound of the following formula (1) and an electrophotographic photoreceptor having a photosensitive layer which contains the bisazo compound of the formula (1): ##STR1## wherein Z, B.sub.1, B.sub.2, A, and L are defined hereinafter. The electrophotographic photoreceptor has both high sensitivity and high durability, and the sensitivity thereof is barely lowered even after repeated use.