Nissan Chemical Industries Limited

Nissan Chemical Corporation

Tadashi Hatanaka

Shojiro Yukawa

Yuta Kanno

Kohei Goto

Tomohisa Ishida

Jun Ito

Takayasu Nihira

Shigeo Kimura

Mitsumasa Kondo

Tomoyuki Enomoto

Isao Adachi

Hiroyuki Omura

Masato Moriuchi

Rikimaru Sakamoto

Takahiro Kishioka

Takafumi Endo

Kei Yasui

Daigo Saito

Yuki Takayama

Tomonari Nakayama

Megumi Uchiyama

Sahade Daniel Antonio

There is provided a composition for coating a stepped substrate that has high filling properties of a pattern, and is capable of forming a coating film that does not cause degassing and heat shrinkage, and is used to form a coating film having flattening properties on the substrate. The composition for coating a stepped substrate includes a compound (C) having in the molecule a partial structure of Formula (1) (where R1 and R2 are each independently a hydrogen atom, a C1-10 alkyl group, or a C6-40 aryl group; five R3s are each independently a hydrogen atom, a hydroxy group, a C1-10 alkoxy group, a C1-10 alkyl group, a nitro group, or a halogen atom; and * is a bond site to the compound); and a solvent. 

Photocrosslinkable group-containing composition for coating stepped substrate

A retardation material-forming resin composition for providing an orientation material that has high photoreaction efficiency and with which a polymerizable crystal can be aligned in a highly sensitive manner. A retardation material-forming resin composition being thermally curable wherein including a resin (component (A)) having a photo-aligning group to which a thermally reactive moiety is bonded directly or connected via a linking group; an orientation material obtained by use of the composition, and a retardation material formed by use of a cured film obtained from the composition.

Retardation material-forming resin composition, orientation material, and retardation material

A cured-film formation composition that forms a cured film exhibiting excellent liquid-crystal orientation properties and excellent light transmission properties when the cured-film formation composition is used as an orientation material and a layer of a polymerizable liquid crystal is arranged thereon. A cured-film formation composition including a component (A) that is a compound obtained by reacting a cinnamic acid compound of Formula (1) below with a compound having at least one epoxy group in one molecule, wherein R, R, R, R, and Rare each independently a substituent selected from a hydrogen atom, a halogen atom, a Calkyl, a Chaloalkyl, a Calkoxy, a Chaloalkoxy, cyano, and nitro; and a component (B) that is a cross-linking agent, an orientation material which is obtained from the composition, and a retardation material which is obtained from the composition.

Cured film formation composition, orientation material, and retardation material

A liquid crystal alignment agent for photo-alignment for providing an aligning member has excellent photoreaction efficiency and is capable of aligning polymerizable liquid crystals with high sensitivity. A liquid crystal alignment agent for photo-alignment includes (A) a resin having a side chain including a structure of Formula (1) and (B) a compound of Formula (2), an alignment member obtained from the liquid crystal alignment agent, and a retardation member: wherein X1 is a benzene ring which may be arbitrarily substituted with an substituent, R is a substituent selected from OH and NH, R, R, R, Rand Rare each independently a substituent selected from a hydrogen atom, a halogen atom, Calkyl, Chaloalkyl, etc., and n is an integer of 0 or 1. 

Liquid crystal alignment agent for photo-alignment, aligning member, and retardation member

A cured-film formation composition suitable to form a cured film having liquid-crystal alignment properties. A cured-film formation composition including a component (A) that is one or more monomers having a group having a photo-alignment moiety and thermally reactive moiety, and a polymerizable group; component (B) that is at least one polymer selected from the group of components (B-1) to (B-3) (the component (B-1) being a polymer having, in a quantity of at least two of at least one group selected from the group of hydroxy group, carboxyl group, amide group, amino group, an alkoxysilyl group and group of Formula (2), component (B-2) being a polymer capable of thermally reacting with thermally reactive moiety of component (A) and is self-cross-linkable, and component (B-3) being a melamine formaldehyde resin); and component (C) that is a cross-linking agent; and an orientation material and retardation material which are formed of the cured-film formation composition.

Cured film formation composition, orientation material and retardation material

A retardation material-forming resin composition for providing an orientation material that has high photoreaction efficiency and with which a polymerizable liquid crystal can be aligned in a highly sensitive manner. A retardation material-forming resin composition being thermally curable wherein including a resin (component (A)) having a photo-aligning group to which a thermally reactive moiety is bonded directly or connected via a linking group; an orientation material obtained by use of the composition, and a retardation material formed by use of a cured film obtained from the composition.

There is provided a cured-film formation composition for providing an orientation material that has high photoreaction efficiency and excellent solvent resistance with adhesion durability, and that enables a polymerizable liquid crystal to be aligned even on a resin film in a highly sensitive manner. A cured-film formation composition including: (A) an acrylic polymer having a photo-aligning group; (B) a polymer having any one of a hydroxy group, a carboxy group, and an amino group on at least two terminals of a group bonded to a main chain; and (C) a cross-linking agent. An orientation material and a retardation material are obtained with the cured-film formation composition.

Cured-film formation composition, orientation material, and retardation material

There is provided a cured-film formation composition that forms a cured film having excellent photoreaction efficiency and solvent resistance, and high adhesion, an orientation material for photo-alignment, and a retardation material formed with the orientation material.

A cured-film formation composition that includes: (A) one or more compounds having a photo-aligning group and hydroxy group, etc.; (B) a polymer having at least one substituent from the group of a hydroxy group, carboxy group, amino group, and alkoxysilyl group, and the like; and (C) a cross-linking agent. Component (A) contains a compound having a group of Formula [1] below as the photo-aligning group: where Aand Aare independently a hydrogen atom or methyl group; and Ais a hydroxy group. A cured-film is formed from the cured-film formation composition, and orientation material is formed by use of photo-alignment technique. A retardation material is obtained by applying a polymerizable liquid crystal on the orientation material and curing it.

A material from which a cured film exhibiting high solvent resistance, liquid crystal-alignment performance, heat resistance and high transparency can be formed. A composition for forming a thermoset film having photo alignment properties, the composition comprising: a component (A) that is an acrylic copolymer having a photodimerizing moiety and a thermal cross-linking moiety; a component (B) that is an acrylic polymer having at least one of a Calkyl ester group and a Chydroxyalkyl ester group and at least one of a carboxy group and a phenolic hydroxy group; and a component (C) that is a cross-linking agent.

Composition for forming thermoset film having photo alignment properties

A material from which a cured film exhibiting high solvent resistance, liquid crystal-alignment performance, heat resistance and high transparency can be formed. A composition for forming a thermoset film having photo alignment properties, including: a component (A) that is an acrylic copolymer having a photodimerizing moiety and a thermal cross-linking moiety; and a component (B) that is a cross-linking agent.

A cured-film formation composition for forming a cured film having photoreaction efficiency and solvent resistance, and high adhesiveness alignment uniformity, and an orientation material for photo-alignment, and a retardation material formed by use of the orientation material. A cured-film formation composition includes (A) a compound having a photo-aligning group and one substituent selected from a hydroxy group, a carboxy group, and an amino group; (B) a hydrophilic polymer having one or more substituents selected from a hydroxy group, a carboxy group, and an amino group; and (C) a polymer obtained by polymerizing a monomer including an N-hydroxymethyl compound or an N-alkoxymethyl (meth)acrylamide compound, and optionally further a cross-linking catalyst as a component (D). By use of the composition, a cured-film is formed and an orientation material is formed by utilizing photo-alignment technique. A retardation material is obtained by applying a polymerizable liquid crystal on the orientation material and curing it.

A cured-film formation composition to form a cured film having excellent liquid-crystal alignment properties, orientation material, and retardation material by use of the orientation material. A cured-film formation composition includes: (A) one or more compounds having a photo-aligning group and hydroxy group, etc.; (B) a polymer having at least one substituent from the group of a hydroxy group, carboxy group, amino group, and alkoxysilyl group, and the like; and (C) a cross-linking agent, the component (A) contains at least a compound having a group of Formula [1] below as the photo-aligning group: (in the Formula, Aand Aare independently a hydrogen atom or methyl group; and Ais a hydroxy group, etc.). A cured-film is formed from the cured-film formation composition, and orientation material is formed by use of photo-alignment technique. A retardation material is obtained by applying a polymerizable liquid crystal on the orientation material and curing it.

A highly efficient method for manufacturing an orientation material and a retardation material, and an orientation material and a retardation material. A method for manufacturing an orientation material having a first orientation region and a second orientation region, directions for regulating liquid crystal alignment are different from each other, including: forming a coating film by a cured-film formation composition containing component (A) that is an acrylic copolymer having a photodimerizable moiety and a thermally cross-linkable moiety and a component (B) that is a cross-linking agent onto a substrate; heating the coating film to form a cured film; and performing exposure to polarized light by irradiating a first region for forming the first orientation region and a second region for forming the second orientation region with polarized light having the same polarization direction such that amounts of light exposure are different between the first region and the second region.

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Funabashi, Japan

Tadashi Hatanaka