1,4-BIS(ISOCYANATOMETHYL)CYCLOHEXANE, POLYISOCYANATE COMPOSITION, POLYURETHANE RESIN, MOLDED ARTICLE, EYEWEAR MATERIAL, EYEWEAR FRAME AND LENS 14-()

• Main Authors: SATOSHI YAMASAKI, HIROKAZU MORITA, KENICHI GOTO, TAKESHI FUKUDA, DAISUKE HASEGAWA, SHINJI KIYONO, DAISUKE NISHIGUCHI, TETSUYA HAMADA, TOSHIHIKO NAKAGAWA, NAOYUKI KAKINUMA, GORO KUWAMURA, SHINSUKE ITO, KAZUHIRO KOSUMI, HIDETAKA TSUKADA
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2016
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; COMPOSITIONS BASED THEREON; CONTACT LENSES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present invention is directed to an eyewear material comprising a polyurethane resin produced by allowing a polyisocyanate component to react with an active hydrogen group-containing component, wherein the polyisocyanate component comprises 1,4-bis(isocyanatomethyl)cyclohexane comprising 70 mol% or more and 95 mol% or less of a trans isomer relative to a total amount of a cis isomer and the trans isomer, and 0.1 ppm or more and 300 ppm or less of a compound represented by formula (1) below: and/or a polyisocyanate composition produced by modifying the 1,4-bis(isocyanatomethyl)cyclohexane and contains at least one functional group of (a) to (e) below: (a) an isocyanurate group, (b) an allophanate group, (c) a biuret group, (d) a urethane group, and (e) a urea group.