Toray Industries, Inc.

Nippon Steel Corporation

Junichi Fujikawa

Masaharu Taniguchi

Shigetora Kashio

Chiaki Tanaka

Tadashi Tanaka

Akira Okamoto

Shinobu Nakashima

Masao Takahashi

Takao Kinashi

Shuji Fujioka

Chikara Ichijo

Osamu Togashi

Nagaharu Ueno

Hiroshi Mataki

Masazumi Tokunow

Yasuko Yokoyama

Shigetra Kashio

The present invention relates to a photosensitive relief or intaglio printing plate comprising a base and a photocurable photosensitive layer formed on the base, the photocurable photosensitive layer containing a dye precursor which forms a dye upon irradiation of actinic light. A relief (convex) pattern or a concave pattern can be recognized by coloring, thereby facilitating the printing plate inspecting work. The developing solution used is not colored or contaminated.

Photosensitive relief printing plate and photosensitive intaglio

A printing plate having a photosensitive layer formed of a photosensitive polymer composition including the following components A, B, and C:

Printing plate having photosensitive polymer composition

The present invention relates to a photosensitive composition containing at least one compound selected from the group consisting of N-acyl amino acid derivatives, hydroxycarboxylic acids and their derivatives, condensates of an aliphatic or aromatic aldehyde with a polyhydric alcohol, acylated polysaccharides and metallic soaps. From the photosensitive composition of the present invention, moldings having excellent shape retentivity and/or compatibility of the components thereof with one another can be produced. Therefore, the production of moldings from a composition which has been heretofore impossible is made possible. Particularly a composition having a good moldability during the molding operation can be employed. The composition is useful for the preparation of printing plate materials having a good developability and printing plates, particularly flexible printing plates and flexographic printing plates, having an improved ink solvent resistance.

Photosensitive composition containing a gelling agent

The present invention relates to a photosensitive polymer composition comprising the following components A, B and C:

Photosensitive polymer composition containing an ethylenically

A photosensitive polymer composition including the following components A, B, and C is presented.

Photosensitive polymer composition

A photosensitive resin composition comprising components A, B and C described below is provided. The composition of the present invention is quite effectively usable for the preparation of photosensitive resin printing plates having excellent water developability, image reproducibility and printability. The composition comprises:

Water developable photosensitive resin composition

The contact of an image-bearing film to the surface of a photosensitive polyamide printing plate is improved by forming an anti-stickiness layer on the photosensitive polyamide layer, the anti-stickiness layer comprising a polymer which is soluble or dispersible in a developer for the photosensitive polyamide, and having a thickness of 0.2 to 20.mu. and having a matted surface.

Process of making a polyamide printing plate having an improved contact

A photosensitive polyamide resin composition is provided which comprises:

Photosensitive polyamide resin composition

A photosensitive polymer composition containing 0.01% to 10% by weight of a photosensitizer and, the following components A and B, is presented.

Photosensitive polymer compositions comprising polyether-ester amides

A radiation curable coating composition suitable for providing a cured coating of enhanced processability on metal substrates, comprising 100 parts of an acrylic copolymer having a number average molecular weight of 15,000 to 800,000 and predominantly comprised of polymerized units of at least one acrylic ester; 5 to 150 parts of at least one polyfunctional compound having a molecular weight of not greater than 2,000 and two or more radical-polymerizable double bonds in the molecule; and 0.2 to 15 parts of at least one non-polymerizable and nonvolatile organic compound having a molecular weight of not greater than 3,000.

Growing community of inventors

Kyoto, Japan

Junichi Fujikawa