Hardener for silicone rubber mass

Hardener (A) for silicone rubber materials, comprises at least one silicone compound (I). Hardener (A) for silicone rubber materials, comprises at least one silicon compound of formula (Si(R 1>) 3R 2>) (I). R 1>2-hydroxy-propionic acid alkyl ester radicals of formula (-OCH(CH 3)COOR); R : 1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WALDMANN, LUDWIG, KNOTT, THOMAS, EDERER, THEODOR, PICHL, ULRICH, SCHMIDT, GERHARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC CHEMISTRY 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:	Hardener (A) for silicone rubber materials, comprises at least one silicone compound (I). Hardener (A) for silicone rubber materials, comprises at least one silicon compound of formula (Si(R 1>) 3R 2>) (I). R 1>2-hydroxy-propionic acid alkyl ester radicals of formula (-OCH(CH 3)COOR); R : 1-4C alkyl radical (optionally substituted); and R 2>alkenyl radical having at least two carbon atoms (optionally substituted). Independent claims are included for: (1) a composition comprising (A) and an organosilicone compound; and (2) preparing (A) comprising reacting a halo silicon compound of formula (SiX 3R 5>) with three equivalents of alkyl lactate (hydroxy-propionic acid alkyl ester). R 5>alkenyl or alkynyl radical having at least two carbon atoms (optionally substituted); and X : alkoxy radical having at least one carbon atom and halo, preferably chlorine.