Nissan Chemical Industries Limited

Mitsumasa Kondo

Tadashi Hatanaka

Shojiro Yukawa

Masato Nagao

Kentaro Nagai

Yoshikazu Harada

To provide a novel diamine, and a polyimide precursor and a polyimide using it. A diamine represented by the formula (1): wherein each of Xand Xwhich are independent of each other, is a single bond or the like; each of Xand Xwhich are independent of each other, is &#x2014;CH&#x2014; or the like; Xis a Calkylene or the like; each of Yand Ywhich are independent of each other, is a single bond or the like; R is a Clinear, branched or cyclic hydrocarbon group; and a is 0 or 1).

Diamine, polyamic acid, and polyimide

An acrylic or methacrylic compound having N-alkoxyalkyl group; and a method for producing the compound. An acrylic or methacrylic compound having N-alkoxyalkyl group, of Formula [1]: [where Ris a hydrogen atom or methyl group; Ris a Calkylene group etc.; Ris an r-valent Caliphatic group etc.; Ris a Calkyl group etc.; Z is &#x3e;NCOO&#x2014; or &#x2014;OCON&#x3c; (where '-' is a bond, '&#x3e;' and &#x201c;&#x3c;&#x201d; each have two bonds, and any one of &#x201c;&#x3e;&#x201d; and &#x201c;&#x3c;&#x201d; is bonded to &#x2014;CHOR); and r is a natural number of 2 or more and 9 or less].

Compound having polymerizable group and crosslinkable group and method for producing the same

There is provided a material that exhibits high solvent resistance after the formation of a cured film, excellent photo-alignment capability relative to a polymerizable liquid crystal, satisfactory heat resistance, and high transparency and moreover, that can be dissolved in a glycol-based solvent, a ketone-based solvent, or a lactic acid ester-based solvent that is applicable to the production of an overcoating of a color filter, during the formation of the cured film. A composition for forming thermoset film having photo-alignment properties, including: a component (A) that is a compound having a photo-aligning group and a hydroxy group; and a component (B) that is a silicon isocyanate compound. A liquid crystal alignment layer formed from the thermoset film forming composition, and an optical device with a retardation layer obtained by use of the thermoset film forming composition.

Composition for forming thermoset film having photo-alignment properties

There is provided a material that exhibits high solvent resistance after the formation of a cured film, excellent photo-alignment capability relative to a polymerizable liquid crystal, satisfactory heat resistance, and high transparency and moreover, that can be dissolved in a glycol-based solvent, a ketone-based solvent, or a lactic acid ester-based solvent that is applicable to the production of an overcoating of a color filter, during the formation of the cured film. A composition for forming thermoset film having photo-alignment properties and containing a component (A) that is a compound having a photo-aligning group and a hydroxy group, a component (B) that is a melamine formaldehyde resin, and a component (C) that is a crosslinker.

There is provided a material that after the formation of a cured film, exhibits high solvent resistance, liquid crystal-alignment properties, heat resistance, and high transparency. A composition for forming thermoset film having photo-alignment properties and containing a component (A) that is a compound having a photo-aligning group and a hydroxy group, a component (B) that is a polymer having any one of or both of a hydroxy group and a carboxy group, and a component (C) that is a crosslinker.

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Funabashi, Japan

Mitsumasa Kondo