POLYURETHANE/THIOURETHANE-BASED OPTICAL RESIN AND PROCESS FOR PRODUCING THE SAME

Provided is a process which can be carried out upon the production of a polyurethane/thiourethane-based resin with the use of a polyisocyanate compound, a polyol compound, and a polythiol compound, without causing abrupt heat generation or viscosity increase. At least one polyol compound having at l...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OKUMURA, KUNIO, KOHGO, OSAMU, TANAKA, MAMORU, MOHRI, JUNICHI, RYU, AKINORI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON 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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