CURABLE ORGANOPOLYSILOXANE COMPOSITION AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a curable organopolysiloxane composition which is free from undesirable residual groups of rings.SOLUTION: The curable organopolysiloxane composition comprises: (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups and having average unit chemic...

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Hauptverfasser: YANG CHIHIANG, LIANG KWEI-WEN
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a curable organopolysiloxane composition which is free from undesirable residual groups of rings.SOLUTION: The curable organopolysiloxane composition comprises: (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups and having average unit chemical formula (I): (RSiO)(RSiO)(RSiO)(SiO)(CHCH); (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of chemical formula RSiO; (C) an organopolysiloxane having average unit chemical formula (II) being capped with H: (RSiO)(RSiO)(RSiO)(SiO)(CHCH); and (D) a catalyst, wherein Rto Rand a to j are as defined in the specification.