Abstract:
Provided are a curable resin composition containing a compound represented by General Formula (1) and a component (B); and a cemented lens using the composition. Component (B): a polymer including a structural unit (bi) having an aromatic ring and a structural unit (b2) having a hydrogen bonding group, in which a proportion of the structural unit (b1) in all structural units constituting the polymer is 10% by mass or more and a proportion of the structural unit (b2) in all structural units constituting the polymer is 3% by mass or more, where the structural unit (bi) has no hydrogen bonding group.
Pol1-Spa-L1-Ar-L2-Spb-Pol2 General Formula (1)
Ar represents an aromatic ring group represented by a specific formula, L1, L2, Spa, and Spb represent a single bond or a specific group, and Pol1 and Pol2 represent a polymerizable group.
Abstract:
Disclosed is a polycarbonate resin having a constitutional unit represented by Formula (1). The resin provides a molded article having a sufficiently low Abbe number and having high abnormal dispersibility may be molded. Y1 and Y2 are an oxygen, sulfur, nitrogen or carbon atom; Z is an atomic group for forming a 5- to 7-membered ring; R5 to R8 represent a substituent; and Ar11 and Ar12 represent an aryl or heteroaryl group.
Abstract:
An object of the present invention is to provide a composition for forming an organic semiconductor film that makes it possible to obtain an organic semiconductor film having excellent mobility and uniformity thereof, an organic semiconductor element including an organic semiconductor film having excellent mobility and uniformity thereof, and a method for manufacturing the organic semiconductor element.The composition for forming an organic semiconductor film of the present invention contains an organic semiconductor as a component A and a polymer chemically modified some or all of the ethylenically unsaturated double bonds of a ethylenically unsaturated double bond-containing polymer, as a component B. It is preferable that the ethylenically unsaturated double bond-containing polymer is at least one kind of polymer selected from the group consisting of natural rubber, an acrylonitrile-butadiene copolymer, polyisoprene, a styrene-butadiene copolymer, polybutadiene, polychloroprene, an ethylene-propylene-diene copolymer, a styrene-butadiene-styrene block copolymer, and a styrene-isoprene-styrene block copolymer.
Abstract:
Provide is a lithographic printing plate precursors having excellent printing durability, staining resistance and developability as well as processes for preparing lithographic printing plates therefrom.A lithographic printing plate precursor comprising a primer layer and an image-recording layer in this order in a substrate, wherein the primer layer comprises a polymer containing a repeat unit having a carbon-carbon backbone, a —C(═O)— group directly attached thereto, a —C(═O)—NR0— group, a carboxyl group or a salt thereof, and an ethylenically unsaturated bond.
Abstract:
Provided are a compound represented by the following General Formula (A1-1), a method for producing the same, and the use of the compound:
wherein R5 and R6 represent a hydrogen atom or an alkyl group, L1 and L2 represent an alkylene group having 1 to 6 carbon atoms, Spa and Spb represent a single bond or a divalent linking group, R11 and R21 represent a substituent, and v1 and w1 are an integer of 0 to 4. Further provided that a structure represented by (R11)v1-benzen ring/cyclopentadiene skeleton/naphthalene ring-(R21)w1 is not line-symmetrical, where “/” represents that two rings described on left and right sides of the structure are fused.
Abstract:
Provided are the following compound represented by General Formula (A) or (B), a curable resin composition including the compound, a cured product thereof, an optical member, and a lens:
A ring Ar1 and a ring Ar2 represent an aromatic ring represented by a specific formula or a fused ring thereof, R1 and R2 represent a specific substituent, and v and w are a specific integer. R3 and R4 represent a hydrogen atom or a monovalent substituent, L1 and L2 represent an alkylene group having 1 to 6 carbon atoms, and Spa to Spd represent a single bond or a divalent linking group. Pol1 and Pol2 represent a hydrogen atom or a polymerizable group, in which at least one of Pol1 or Pol2 is a polymerizable group. Further, in the formulae, a structure represented by (R1)v—Ar1/cyclopentadiene skeleton/Ar2—(R2)w is not line-symmetrical.
Abstract:
Disclosed is a polycarbonate resin including a constitutional unit represented by Formula (1). The resin provides a molded article having a sufficiently low Abbe number and excellent durability under high temperature and high humidity. R1 to R4 are a hydrogen atom or a substituent having σp of less than −0.15, R5 to R7 represent a substituent, Ar11 and Ar12 represent an aryl or heteroaryl group, and Ar13 is an aromatic fused ring group.
Abstract:
A cured product of a compound of the following formula has a low Abbe number and a high abnormal dispersibility. X and Y are O, S, N or S; Z and X—C═C—Y form 5 to 7-membered ring; R1 and R2 represents H, alkoxy, mercapto, thioalkoxy, amino, alkylamino, carboxy, alkylcarbonyloxy, carbamoyloxy or alkoxycarbonyloxy; and R3 to R6 represent substituent.
Abstract:
An object of the present invention is to provide a composition for forming an organic semiconductor film that makes it possible to obtain an organic semiconductor film having excellent mobility and heat stability, an organic semiconductor element including an organic semiconductor film having excellent mobility and heat stability, and a method for manufacturing the organic semiconductor element.The composition for forming an organic semiconductor film of the present invention contains an organic semiconductor having a condensed polycyclic aromatic group and a polymer, in which the number of rings in the condensed polycyclic aromatic group is equal to or greater than 4, at least two rings in the condensed polycyclic aromatic group contain at least one atom selected from the group consisting of a sulfur atom, a nitrogen atom, a selenium atom, and an oxygen atom, the condensed polycyclic aromatic group contains, as a partial structure, at least any one structure selected from the group consisting of a benzene ring, a naphthalene ring, and a phenanthrene ring, and the polymer has a glass transition temperature of equal to or higher than −100° C. and equal to or less than −30° C. and an elastic recovery of equal to or less than 30%.