CURABLE SILICONE COMPOSITION, CURED PRODUCT THEREOF, AND OPTICAL SEMICONDUCTOR DEVICE

A curable silicone composition which comprises: (A) an organopolysiloxane represented by an average unit formula; (B) an organopolysiloxane that has not more than 10 silicon atoms wherein from 30 to 60 mole % of all silicon-bonded organic groups therein are C2-6191 alkenyl groups; (C) an organopolys...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHITAKE MAKOTO, HIRAI KAZUO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A curable silicone composition which comprises: (A) an organopolysiloxane represented by an average unit formula; (B) an organopolysiloxane that has not more than 10 silicon atoms wherein from 30 to 60 mole % of all silicon-bonded organic groups therein are C2-6191 alkenyl groups; (C) an organopolysiloxane represented by a general formula; (D) an organopolysiloxane that has at least two silicon-bonded hydrogen atoms in one molecule wherein from 20 to 70 mole % of all silicon-bonded organic groups therein are phenyl groups; (E) a hydrosilylation reaction catalyst; (F) a white pigment; (G) a nonspherical silica or a glass fiber; and (H) a spherical silica, exhibits an excellent moldability and forms a cured product that exhibits little heat- and/or light-induced discoloration, little heat- and/or light-induced decline in mechanical strength, a high light reflectance, and an excellent dimensional stability.