LENTE AVENTE ALTO INDICE DI RIFRAZIONE E BASSA DISPERSIONE

A lens having a high refractive index with a low dispersion produced by copolymerizing a polyfunctional allyl monomer with at least one monomer selected from the group represented by the general formula A: A X: H, CH3, Cl Y: H, CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, CH2Cl, CH2Br, C6H5, CH...

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Bibliographische Detailangaben
Hauptverfasser:	NIRO TARUMI, TITSUO SUGIMURA, SHIGEO KOMIYA
Format:	Patent
Sprache:	ita
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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 lens having a high refractive index with a low dispersion produced by copolymerizing a polyfunctional allyl monomer with at least one monomer selected from the group represented by the general formula A: A X: H, CH3, Cl Y: H, CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, CH2Cl, CH2Br, C6H5, CH2C6H5, SCH3 m=0, 1, 2 n=0, 1, 2, 3, 4, 5. This lens is excellent in its transmittance, pencil hardness, impact resistance, dyeability, coating adhesion, solvent resistance, workability, etc.