Polythiol, polymerisierbare Zusammensetzung, Harz und Linse und Verfahren zur Herstellung der Thiolverbindung

This invention provides a polyermizable composition for a lens with a high refractive index comprising: (a) at least one polythiol compound of general formula (1): R-(SCH2SH)n where R is an organic residue which is not an aromatic group and n is an integer of at least 1, having at least two mercapto...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUMA, SHIGETOSHI, KANEMURA, YOSHINOBU, TANAKA, MAMORU, KOBAYASHI, SEIICHI
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	This invention provides a polyermizable composition for a lens with a high refractive index comprising: (a) at least one polythiol compound of general formula (1): R-(SCH2SH)n where R is an organic residue which is not an aromatic group and n is an integer of at least 1, having at least two mercapto groups; and (b) at least one compound having a functional group which can react with a mercapto group; a resin prepared by polymerizing the composition; an optical element and a lens made of the resin; and a process for preparing a thiol compound comprising the steps of reacting a compound represented by general formula (2): HS-R