Process for production of low viscosity low silanol content silicone fluids

Process for production of low viscosity low silanol content silicone fluids

A process for the prodn. of low viscosity silicone fluids comprises: (1) feeding silicone fluid(s) to a single fixed bed reactor contg. a granular, acid treated clay catalyst having a Tyler mesh from 5-50, (2) contacting the catalyst with the silicone fluid and (3) recovering a low viscosity silicon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: THOMPSON, DENNIS PAUL, ANDERSON, PATRICIA PIKE
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
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 process for the prodn. of low viscosity silicone fluids comprises: (1) feeding silicone fluid(s) to a single fixed bed reactor contg. a granular, acid treated clay catalyst having a Tyler mesh from 5-50, (2) contacting the catalyst with the silicone fluid and (3) recovering a low viscosity silicone fluid of formula R(CH3)2SiO(RCH3SiO)zSi(CH3)2R where z = number above zero and when R is Me, the silicone fluid has a silanol content below 600 p.p.m.