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US 2014/0094532 A1Published application
Process for preparing polydimethylsiloxanes on sulphonic acid cation exchange resins
AssigneeEvonik Goldschmidt GmbH
InventorsWilfried Knott, Martin Glos, Norbert Nilewski
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Abstract
The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.
Claims9
A composition containing a polydimethylsiloxane of formula (1)
- having a chain length N=n+2, wherein a proportion of the polydimethylsiloxane with N=6 and N=7 being ≧20% by weight, based on the mass of the polydimethylsiloxane.
Dependencies are inferred from the claim text.