JP2555576B

PURPOSE:To retard the thermal decomposition of plastic optical fiber in the stage of working by forming without impairing the mechanical strength, etc. of the optical fiber, and to reduce the absorption loss of ultraviolet rays due to the deteriorating effect of the thermal decomposed product, by co...

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Hauptverfasser:	TAZAWA HISASHI, TANEICHI SEISHIRO, SUGANUMA HEIROKU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To retard the thermal decomposition of plastic optical fiber in the stage of working by forming without impairing the mechanical strength, etc. of the optical fiber, and to reduce the absorption loss of ultraviolet rays due to the deteriorating effect of the thermal decomposed product, by constituting the polymer for the core component of a specified structural unit in a core-shell type composite plastic optical fiber constituted of a core component comprising a polymer contg. >=80wt.% methyl methacrylate unit and a shell component comprising a polymer having by =80wt.% methyl methacrylate unit, and a shell component comprising a polymer having by