Harz für optisches Material

A resinous composition is herein disclosed which comprises a compound having, in one molecule, one or more of structures represented by the formula (1) wherein R is a hydrocarbon having 1 to 10 carbon atoms; R , R and R are each hydrogen or a hydrocarbon group having 1 to 10 carbon atoms; and X is S...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKEUCH, MOTOHARA, SHIMUTA, MASANORI, AMAGAI, AKIKAZU, MIZUNO, KATSUYUKI
Format:	Patent
Sprache:	ger
Schlagworte:	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 MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A resinous composition is herein disclosed which comprises a compound having, in one molecule, one or more of structures represented by the formula (1) wherein R is a hydrocarbon having 1 to 10 carbon atoms; R , R and R are each hydrogen or a hydrocarbon group having 1 to 10 carbon atoms; and X is S or O, and an existing ratio of S is 50% or more on the average with respect to the total of S and O constituting a three-membered ring, and another compound having one or more SH groups in one molecule. According to the present invention, a novel sulfur-containing compound having an episulfide structure can be polymerized to obtain a resin for an optical material whose oxidation resistance is improved.