Jnc Corporation

Jnc Petrochemical Corporation

Chisso Petrochemical Corporation

Daisuke Ootsuki

Junichi Inagaki

Nagahisa Miyagawa

Yoshiharu Hirai

Mayumi Tanabe

Tomohiro Yano

Kazumi Nara

Ryushi Shundo

Maiko Ito

Maiko Itoh

Kie Kubouchi

A polymerizable liquid crystal composition for obtaining a retardation film that has high front contrast; and a liquid crystal polymer. A polymerizable liquid crystal composition which is characterized by containing a compound represented by formula (1).  Exemplified are embodiments wherein in formula (1), Wrepresents an alkyl group having 1-5 carbon atoms, an alkoxy group having 1-5 carbon atoms, an alkoxycarbonyl group having 1-5 carbon atoms or an alkanoyl group having 1-5 carbon atoms; Zrepresents &#x2014;CHCHCOO&#x2014;; Zrepresents &#x2014;OCOCHCH&#x2014;; each of Yand Yrepresents a linking group; each of Qand Qrepresents a spacer; and each of Pand Prepresents a polymerizable functional group.

Polymerizable liquid crystal composition and liquid crystal polymer

A polymerizable liquid crystal compound represented by formula (1). In formula (1), Ais 1,4-phenylene, 1,4-cyclohexylene, 1,4-cyclohexenylene, pyridine-2,5-diyl, 1,3-dioxane-2,5-diyl or naphthalene-2,6-diyl, Zis a connecting group, m and n are independently an integer from 0 to 5, in which an expression: 1&#x2264;m+n&#x2264;8 holds, Xis alkylene having 1 to 5 carbons, in which an atom thereof may be replaced by a hetero atom, and at least one of Ris a polymerizable functional group. 

Polymerizable liquid crystal compound, polymerizable liquid crystal composition and liquid crystal polymerized film

An object is to provide a polymerizable liquid crystal compound, a polymerizable liquid crystal composition containing the compound and liquid crystal polymerization film-kind capable of controlling chromatic dispersion characteristics and having low positive chromatic dispersion characteristics. An aspect can be exemplified in which the polymerizable liquid crystal compound is represented by formula (1): 

Polymerizable liquid crystal compound, composition, liquid crystal polymerization film-kind thereof and use thereof

To provide a polymerizable liquid crystal compound in order to produce a retardation film having excellent front contrast. A polymerizable liquid crystal composition including a compound represented by Formula (1).  In Formula (1), for example, Wis an alkoxycarbonyl group having 1 to 10 carbon atoms, an alkanoyl group having 1 to 10 carbon atoms, or a polymerizable functional group, Ais independently 1,4-phenylene or naphthalene-2,6-diyl, Zis a linking group, m and n are independently an integer of 0 to 7, and satisfy 3&#x2264;m+n&#x2264;8, and Pis a polymerizable functional group.

Polymerizable liquid crystal compound, polymerizable liquid crystal composition, and liquid crystal polymerized films

Provided is a polymerizable liquid crystal compound represented by formula (1).  An aspect can be exemplified, in which, in formula (1), Wis hydrogen or a substituent, Ais 1,4-phenylene, 1,4-cyclohexylene or naphthalene-2,6-diyl, Zand Yare a connecting group, m and n each are an integer from 0 to 7, in which an expression: 3&#x2264;m+n&#x2264;8 holds, Qis a spacer, and PG is a polymerizable group.

Polymerizable liquid crystal compounds, polymerizable liquid crystal compositions, liquid crystalline polymers, phase difference film and display device

A subject is to provide a polymerizable liquid crystal composition from which an optically anisotropic substance having twist alignment that is excellent in chemical strength (chemical resistance) and has only a small amount of alignment defects can be obtained. A solution is a polymerizable liquid crystal composition containing an optically active compound having a binaphthol moiety, an achiral polymerizable liquid crystal compound and a photopolymerization initiator having oxime ester.

Polymerizable liquid crystal composition and optically anisotropic substance having twist alignment

To provide an optically anisotropic substance having a negative uniaxial phase difference film and a positive uniaxial phase difference film, and excellent heat resistance and sputtering resistance. The positive uniaxial phase difference film is formed in combination with a bifunctional polymerizable liquid crystal compound, the negative uniaxial phase difference film is formed in combination of the bifunctional polymerizable liquid crystal compound with an optically active compound having a polymerizable binaphthol moiety, and additional thermosetting treatment (postcure) is applied after the negative uniaxial phase difference film is photocured, and when glass transition temperature after the negative uniaxial phase difference film is cured is 85&#xb0; C. or higher and 115&#xb0; C. or lower, additional thermosetting treatment temperature is adjusted to 220&#xb0; C. or higher and 250&#xb0; C. or lower, and when the glass transition temperature is higher than 115&#xb0; C., the additional thermosetting treatment temperature is adjusted to 200&#xb0; C. or higher and 250&#xb0; C. or lower.

Optically anisotropic substance and liquid crystal display

To provide a photosensitive polymer, a phase difference film using the photosensitive polymer, and an optical film using the phase difference film. A solution is a photosensitive polymer having a constitutional unit represented by formula (1): 

Photosensitive polymer and photoalignable phase difference film

To provide a photoalignable material that can yield a photoalignable film having a high optical uniformity and no alignment defect, and allows photoalignment with exposure in a short period of time. A photoalignable polymer composition containing a specific photoalignable polymer having a silicone group or a fluorine-substituted alkyl group, and a photoalignable group, and a specific non-photoalignable polymer is manufactured, and the photoalignable film is manufactured by applying the polymer composition onto a base material or the like, drying an applied surface thereon, and irradiating the applied surface with light.

Polymer composition having photoalignable group, liquid crystal alignment film formed of the polymer composition, and liquid crystal display device having phase difference plate formed of the liquid crystal alignment film

An optically active compound having a polymerizable group which is represented by formula (1) or (2).P-Q-(A-Z)&#x2014;X&#x2014;(Z-A)-Q-P&#x2003;&#x2003;(1)P-Q-(A-Z)&#x2014;X&#x2003;&#x2003;(2)For example, Ais independently divalent group having ring; Zis independently bonding group; m is independently an integer from 1 to 5; Qis independently alkylene having 1 to 20 carbons; Xis a divalent group having chirality; Xis a monovalent group having chirality, and Pand Pare polymerizable groups; and concerns a polymerizable liquid crystal composition, a polymer, an optical device and an article.

Optically active compound having polymerizable group and its polymer

The invention is to provide a photosensitive compound suitable for a photoalignment method, a photosensitive polymer prepared from the compound, a photoaligning agent by using the compound and a liquid crystal alignment film prepared from the photoaligning agent. A photosensitive compound represented by formula (1): in formula (1), Yis a divalent group represented by formula (2-1) or (2-2); Ais 1,4-phenylene or 1,4-cyclohexylene; Zis a single bond, &#x2014;COO&#x2014; or &#x2014;OCO&#x2014;; Rand Rare each independently hydrogen, fluorine or alkyl having 1 to 5 carbons; Qis independently a single bond or alkylene having 1 to 12 carbons; and n is 0 or 1. In formulas (2-1) and (2-2), Wand Ware each independently hydrogen, alkyl having 1 to 3 carbons or alkoxy having 1 to 3 carbons.

Photosensitive compound and its photosensitive polymer

A polymerizable liquid crystal compound represented by formula (1):  

Polymerizable liquid crystal compound and its polymer

The main aim of the invention is to provide a polymerizable liquid crystal compound that has a liquid crystal phase with a wide temperature range centering at room temperature, has an excellent compatibility with another polymerizable liquid crystal compound, has an excellent solubility in an organic solvent and is polymerizable even in air by heat or light. A polymerizable liquid crystal compound represented by formula (1-1) or formula (1-2): wherein Aand Aare a divalent cyclic-structure group such as cyclohexylene and phenylene; Zis a bonding group such as a single bond and &#x2014;O&#x2014;; m is an integer from 1 to 5; Qand Qare alkylene having 1 to 20 carbons; Ris fluorine, cyano, trifluoromethyl, trifluoromethoxy, alkyl, alkoxy and so forth; and Rand Ris hydrogen, halogen or alkyl.

Polymerizable liquid crystal compounds having oxiranyl group, polymerizable liquid crystal compositions and polymers

The purpose of the invention is to provide a polymerizable liquid crystal compound that has a liquid crystal phase with a wide temperature range, has an excellent compatibility with another polymerizable liquid crystal compound, has an excellent solubility in organic solvent and is polymerizable in air by heat or light. Means for Solving the Subject A polymerizable liquid crystal compound represented by formula (1) wherein Aand Aare a ring such as 1,4-cyclohexylene and 1,4-phenylene; Zto Zare a bonding group such as a single bond and &#x2014;O&#x2014;, m is an integer of 1 to 5; Qand/or Qare &#x2014;O(CHO)(CHO)&#x2014; or &#x2014;O(CHO)(CHO)&#x2014;, where n1 and n2 are integer of 0 to 5 and the sum of n1 and n2 is 2 to 5; one of Qand Qmay be alkylene; Pand Pare a polymerizable group represented by any one of formula (2-1) to formula (2-3) and R is hydrogen, halogen or alkylene having 1 to 5 carbons. 

Polymerizable liquid crystal compound, composition and polymer

The purpose the invention is to provide a polymerizable liquid crystal compound which has an excellent solubility with other compounds, a high homeotropic property, and a spirobiindan-backbone, and a liquid crystal composition comprising this compound. The purpose is attained with a polymerizable liquid crystal compound represented by Formula (1). A polymer which is excellent in many characteristics can be obtained from this compound and a formed body having optical anisotropy, produced from this polymer can be obtained. In Formula (1), G is a single bond or oxygen; R is hydrogen, methyl (Me) or a group represented by Formula (a), wherein at least two of R are groups represented by Formula (a); P is a polymerizable group represented by any of Formula (P1) to Formula (P8). In Formula (a), a desirable A is 1,4-cyclohexylene or 1,4-phenylene; Z is a bonding group; m is an integer of 0 to 3; Xis a single bond or alkylene; Zis a single bond, &#x2014;O&#x2014;, &#x2014;OCO&#x2014;, or &#x2014;OCOO&#x2014;; X is a single bond or alkylene. 

Growing community of inventors

Chiba, Japan

Daisuke Ootsuki