摘要:
A plastic lens material comprising a compound in which a part or all of 1,4-cyclohexane dicarboxylate structural units are a cis structure; a production process of the material; a plastic lens composition containing the material; a plastic lens obtained by curing the composition; and a production process of the plastic lens. A plastic lens material free of changing into a white and turbid material during storage for a long period of time is provided.
摘要:
An alicyclic (meth)allyl ester monomer obtained by a specific production process. An alicyclic (meth)allyl ester compound for plastic lenses, which can be obtained by a simple and easy production process and which can endure a long-term storages, is produced using the monomer, and a plastic lens is obtained using the compound.
摘要:
A plastic lens composition having a low viscosity, a plastic lens by curing the composition, and a method for producing the plastic lens are disclosed. The plastic lens composition contains a bromine-containing (meth)allyl ester-based compound and exhibits low viscosity and the cured composition has a high refractive index of 1.58 or more and a low specific gravity of 1.40 or less.
摘要:
A compound favored with low viscosity, capable of providing a cured product having high refractive index, and suitable for application to optical materials, including plastic lens material, radical polymerizable flame retardant and the like, as well as a process for producing the compound, a plastic lens composition using the compound, a plastic lens obtained by curing the composition and a process for producing the plastic lens. A novel aromatic ring-containing polyvalent (meth)allyl ester derived from a polyvalent carboxylic acid of trivalent or greater valent is employed.
摘要:
An alicyclic (meth)allyl ester monomer obtained by a specific production process. An alicyclic (meth)allyl ester compound for plastic lenses, which can be obtained by a simple and easy production process and which can endure a long-term storage, is produced using the monomer, and a plastic lens is obtained using the compound.
摘要:
According to the present invention, a novel epoxy group-containing copolymer, including a production process thereof, and an epoxy (meth)acrylate copolymer starting from the epoxy group-containing copolymer, including a production process thereof are provided. The epoxy group-containing copolymer of the present invention contains a specific epoxy group-containing repeating unit and an olefin-based repeating unit. A novel epoxy (meth)acrylate copolymer of the present invention is produced by reacting the epoxy group-containing copolymer with (meth)acrylic acid.
摘要:
According to the present invention, a novel epoxy group-containing copolymer, including a production process thereof, and an epoxy (meth)acrylate copolymer starting from the epoxy group-containing copolymer, including a production process thereof are provided. The epoxy group-containing copolymer of the present invention contains a specific epoxy group-containing repeating unit and an olefin-based repeating unit. A novel epoxy (meth)acrylate copolymer of the present invention is produced by reacting the epoxy group-containing copolymer with (meth)acrylic acid.
摘要:
A polymerizable compound represented by formula (1): wherein each R1 independently represents at least one organic residue selected from the group consisting of alkylene groups, branched alkylene groups, cycloalkylene groups and arylene groups, R2 represents an organic residue derived from an alcohol compound, a phenol compound or a carboxylic acid compound, n represents an integer of 0 to 20, a production process of the polymerizable composition, a composition using the polymerizable compound, a cured product obtained by curing the composition and a production process of the cured product. The polymerizable compound exhibits a good adhesive property to a substrate such as glass and is imparted with radical polymerizability to enable heat curing and/or active energy ray curing.
摘要:
It is an object of the present invention to provide a curable composition which provides a cured product excellent in low warpage properties and long-term electrical insulation reliability and causes little bleeding during screen printing. The present invention is a curable composition comprising the following components (a) to (e): a component (a): polyurethane having a functional group capable of curing reaction and a carbonate bond, a component (b): γ-butyrolactone, a component (c): diethylene glycol diethyl ether, a component (d): inorganic fine particles and/or organic fine particles, and a component (e): a compound having two or more epoxy groups in one molecule.
摘要:
Provided are: a moisture-proof insulating material having superior long-term insulating reliability and adhesiveness to polyimides and glass substrates, and has a solid content concentration that can secure a thickness that realizes sufficient moisture-proof performance after application and drying in a viscosity region that can be easily coated by means of a dispenser; and an electronic component that has been insulation-processed by means of the moisture-proof insulating material. The moisture-proof insulating material contains a styrene-based thermoplastic elastomer, a tackifying agent, and a solvent, and is characterized by the solvent containing an aliphatic hydrocarbon solvent (for example, methylcyclohexane or cyclohexane) having a boiling point that is at least 80° C. and less than 110° C. The solvent preferably further contains an aliphatic hydrocarbon solvent (for example, ethylcyclohexane or dimethylcyclohexane) having a boiling point that is at least 110° C. and less than 140° C.