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US 6,552,151 B1Granted
Organopolysiloxane resins
AssigneeWacker Chemie AG
InventorsThomas Köhler, Walter Blüml
Life of this patent
Estimating the term…
Abstract
The invention relates to organopolysiloxane resins which have a glass transition temperature of more than 60° C. and OH contents of from 1 percent to 8 percent by weight.
Claims18
A solid organopolysiloxane resin having a glass transition temperature in excess of 60° C. and a hydroxyl content of greater than 2 to about 6 weight percent, based on the weight of the resin.
A solid organopolysiloxane resin, having a glass transition temperature greater than 60° C.;
- and from 1 weight percent to 3 percent, based on total resin weight, of Si-bound OH groups.
Dependencies are inferred from the claim text.