Fujifilm Corporation

Masaomi Kimura

Shunya Katoh

Yasuhiro Ishiwata

Masatoshi Mizumura

Mitsuyoshi Ichihashi

Taro Hashizume

Tomoki Tasaka

Masao Nakajima

A cholesteric liquid crystal mixture containing a compound represented by Z&#x2014;Y-A-Y-M-Y-A-Y&#x2014;Z, a compound represented by Z&#x2014;Y-A-Y-M-P, and a tri- or higher functional polymerizable monomer suppresses deposition of a liquid crystal at the time of forming a film, exhibits a wide characteristic reflection bandwidth of the film. Zto Zrepresent a polymerizable group; Ato Arepresent an alkylene spacer having a chain of 1 to 30 atoms; Mand Mrepresent (-T-Y)-T-; n indicates a natural number; Tand Trepresent a hydrocarbon or heterocyclic ring; Yto Y, Yand Yrepresent a single bond, &#x2014;O&#x2014;, &#x2014;CO&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;CO&#x2014;O&#x2014; or &#x2014;O&#x2014;CO&#x2014;O&#x2014;; and P represents a hydrogen atom or an alkyl group.

Cholesteric liquid crystal mixture, film, IR reflection plate, laminate, and laminated glass

A polymerizable composition containing a compound represented by the formula (I) or the formula (I') is useful for formation of films having a high &#x394;n with no coloration. Pand Peach are a polymerizable group; m1 and m2 each are an integer of from 1 to 10; Ato Aeach are a predetermined cyclic group; R is a hydrogen atom or an alkyl; in the formula (I), Zis &#x2014;COO&#x2014;, &#x2014;COO&#x2014;, &#x2014;OCO&#x2014;CH&#x2550;CH&#x2014;, &#x2014;NHCO&#x2014; or &#x2014;NRCO&#x2014;; Land Leach are &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;COO&#x2014;, &#x2014;COO&#x2014;, &#x2014;OCO&#x2014;CH&#x2550;CH&#x2014;, &#x2014;OCOO&#x2014;, &#x2014;NHCO&#x2014; or &#x2014;NRCO; n1 is 1 or 2; in the formula (I&#x2032;), Zand Zeach are &#x2014;COO&#x2014;, &#x2014;OCO&#x2014;, &#x2014;NHCO&#x2014; or NRCO; Land Leach are &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;COO&#x2014;, &#x2014;OCO&#x2014;, &#x2014;OCOO&#x2014;, &#x2014;NHCO&#x2014; or NRCO; n1 and n2 each are 1 or 2. 

Polymerizable composition, polymer, and film

Provided is a novel polymerizable azomethine compound which has a high &#x394;n and is colorless. The compound is represented by the formula (I). Pand Peach are a polymerizable group; m1 and m2 each are an integer of from 1 to 10; Rand Reach are an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 4 carbon atoms, an alkoxycarbonyl group having from 2 to 5 carbon atoms, an acyloxy group having from 2 to 5 carbon atoms, an acyl group having from 2 to 4 carbon atoms, an amide group having from 2 to 5 carbon atoms, a cyano group or a halogen atom; n1 and n2 each are an integer of from 0 to 4; Ris a hydrogen atom, or an alkyl group having from 1 to 4 carbon atoms; Zand Leach are a predetermined divalent group; n is 0, 1 or 2. 

Polymerizable compound

A compound represented by formula (I) is disclosed. Pand Prepresent a polymerizable group; m1 and m2 represent an integer of from 1 to 10, 'A' represents a divalent group having a 5- to 18-membered aromatic hydrocarbon ring or a 5- to 18-membered aromatic hetero ring, Land Lrepresent a Calkyl group or a Calkoxy group, k1 and k2 represent an integer of from 0 to 4, X, X, Xand Xrepresent &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;NH&#x2014;, &#x2014;NR&#x2014; or &#x2014;SiRR&#x2014;, n1 and n2 represent 0 or 1, provided that at least one of them is 1; and L, L, Land Lrepresent a hydrogen atom, halogen atom, &#x2014;CN, &#x2014;NC, &#x2014;NCO, &#x2014;NCS, or &#x2014;OCN, provided that those in which both of Xand Xrepresent &#x2014;O&#x2014;, those in which one of Xand Xrepresents &#x2014;O&#x2014; and another represents &#x2014;NH&#x2014; or &#x2014;NR&#x2014; are excluded only when n1 is 1, both of Land Lare hydrogen atoms, n2 is 1, and both of Land Lare hydrogen atoms, or only when n1 is 1, both of Land Lare hydrogen atoms, and n2 is 0. 

Compound, polymerizable liquid crystal composition, polymer and film

A polymerizable liquid crystal compound represented by formula (I) is disclosed. Rand Rrepresent a hydrogen atom, or Calkyl; Land Lrepresent a hydrogen atom, or Calkyl group; Aand Arepresent a divalent linking group having a 5- to 12-membered cyclic structure; Band Brepresent a single bond or a divalent linking group having a 5- to 12-membered cyclic structure; Dand Drepresent &#x2014;O&#x2014;, &#x2014;S&#x2014;, or &#x2014;NR&#x2014;; Xand Xrepresent a hydrogen atom, acyl group or cyano; Yand Yrepresent a single bond or a divalent group; Qand Qrepresent a Cdivalent aliphatic group; Zand Zrepresent a hydrogen atom, cyano, halogen atom or polymerizable group; and n and m each independently represent an integer of from 0 to 2. 

Growing community of inventors

Ashigarakami-gun, Japan

Masaomi Kimura