Zeon Corporation

Tokyo Institute of Technology

Jx Nippon Oil Energy Corporation

Shunpei Nakajima

Akira Ikeda

Junji Watanabe

Kei Sakamoto

Takuya Matsumoto

Suzushi Nishimura

Takehiro Toyooka

Manabu Ito

Yuki Tamura

Masakazu Saito

Hiroaki Shu

Masaya Miyamura

Yuki Arakawa

Gen-Ichi Konishi

Sungmin Kang

Disclosed is a polymerizable liquid crystal material wherein an amount of a salt represented by the following formula (I) is less than 0.01 parts by mass per 100 parts by mass of a polymerizable liquid crystal compound, and an amount of a nitrogen-containing compound represented by the following formula (II) is 0.01 parts by mass or less per 100 parts by mass of the polymerizable liquid crystal compound. Rto Reach independently represent a hydrogen atom or a C1-C7 alkyl group, Rand Rrepresents a hydrogen atom, and X represents F, Br, Cl, I, HSO, 1/2(HPO), HPO, R&#x2014;C(&#x2550;O)&#x2014;O, 1/2(O&#x2014;(C&#x2550;O)&#x2014;R'&#x2014;(C&#x2550;O)&#x2014;O) or R&#x2014;SO, where R represents a hydrogen atom or a monovalent hydrocarbon group, and R&#x2032; represents a single bond or a divalent hydrocarbon group. 

Polymerizable liquid crystal material, polymerizable liquid crystal composition, polymer, optical film, optically anisotropic body, polarizing plate, anti-reflection film, display device, and method of producing polymerizable liquid crystal composition

A liquid crystal composition including a polymerizable liquid crystal compound capable of expressing birefringence with reverse wavelength distribution and a surfactant containing a fluorine atom, a 1-octanol/water partition coefficient of the surfactant being less than 5.0.

Liquid crystal composition, liquid crystal cured layer, and method for producing said liquid crystal cured layer

A liquid crystal composition including: a polymerizable liquid crystal compound capable of expressing birefringence with inverse wavelength dispersion; and a (meth)acrylate compound containing two or more (meth)acryloyl groups per one molecule, wherein: an amount of the (meth)acrylate compound is 8 parts by weight or less, the amount being relative to 100 parts by weight of a sum total of the polymerizable liquid crystal compound and the (meth)acrylate compound.

Liquid crystalline composition, liquid crystal cured layer, method for producing same, and optical film

A liquid crystal composition including: a polymerizable liquid crystal compound capable of expressing birefringence with inverse wavelength dispersion; a surfactant containing a fluorine atom; and a solvent, wherein the surfactant contains a fluorine atom at a ratio of 30% by weight or less in a molecule of the surfactant.

Liquid crystal composition, method for producing retardation layer, and circularly polarizing plate

The present invention provides a diacetylene derivative represented by the following formula (A) which exhibits liquid crystallinity by itself and has a large refractive index anisotropy or does not exhibit liquid crystallinity by itself but exhibits a large refractive index anisotropy when added to a liquid crystalline compound:R1-Sp1-(Ar1)-(Ar3)-(Phe)-C&#x2261;C&#x2014;C&#x2261;C-(Phe)-(Ar4)-(Ar2)-Sp2-R2&#x2003;&#x2003;(A)(wherein R1 and R2 are a hydrogen, halogen, cyano, isothiocyanate, alkyl, alkenyl, alkynyl or reactive group, SP1 and SP2 are each a spacer group, Ar1 and Ar2 are each a non-substituted or substituted aromatic carbocyclic or heterocyclic group, Ar3 and Ar4 are each a non-substituted or substituted heterocyclic group, Phe is a non-substituted or substituted 1,4-phenylene group, and p, q and r are each 0 or 1.

Diacetylene derivative and liquid crystalline polymer having diacetylene structure

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Tokyo, Japan

Shunpei Nakajima