DIISOCYANATE COMPOSITION PREPARATION METHOD THEREOF AND OPTICAL MATERIAL USING SAME

Since a diisocyanate composition according to an embodiment of the present invention contains benzyl isocyanate having a methyl group in the composition in an amount of 5 to 200 ppm, it is possible to improve optical properties such as yellowness, striae, prevention of cloudiness and the like, and a...

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Bibliographische Detailangaben
Hauptverfasser:	PAI JAEYOUNG, HAN HYUK HEE, MYUNG JUNG HWAN, KIM JEONGMOO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS 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 CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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