ORGANIC-INORGANIC COMPOSITE MOLDED PRODUCT AND OPTICAL ELEMENT

ORGANIC-INORGANIC COMPOSITE MOLDED PRODUCT AND OPTICAL ELEMENT

An organic-inorganic composite molded product formed by molding a composite material of an organic resin and inorganic fine particles is provided, and in this molded product, the average primary particle diameter of the inorganic fine particles is 1 to 30 nm, the concentration of the inorganic fine...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUMAGAI, TAKEAKI, KISO, SHIGEO, HOSOKAWA, KATSUMOTO, OISHI, EMI, KOJIMA, TAKAHIRO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:An organic-inorganic composite molded product formed by molding a composite material of an organic resin and inorganic fine particles is provided, and in this molded product, the average primary particle diameter of the inorganic fine particles is 1 to 30 nm, the concentration of the inorganic fine particles is 25 to 50 percent by volume, and the porosity is 20 to 55 percent by volume. Accordingly, an organic-inorganic composite molded product having a small content of the inorganic fine particles and a significantly low average coefficient of linear expansion of 20*10−6 to −110*10−6/degree Celsius can be manufactured.