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US 2025/0034805 A1Published application
Physical reutilization of siliconized papers
AssigneeEvonik Operations GmbH
InventorsWilfried Knott, Horst Dudzik
Life of this patent
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Abstract
A method for the physical reutilization of siliconized papers includes at least a first step (a), treating at least one siliconized paper by contacting it with at least one alcohol and at least one alkali metal alkoxide with introduction of heat, and without removing from the reaction mixture any water that occurs, and then, a second step (b), removing the at least one desiliconized paper resulting from the first step (a) from the optionally previously neutralized reaction mixture.
Claims20
A method for the physical reutilization of siliconized papers, the method comprising:
- (a):
- treating at least one siliconized paper by contacting it with at least one alcohol and at least one alkali metal alkoxide with introduction of heat to form a reaction mixture and at least one desiliconized paper, and without removing from the reaction mixture any water that occurs,
- and then,
- (b):
- removing the at least one desiliconized paper resulting from (a) from the reaction mixture, which has optionally been previously neutralized.
2 more elements
Dependencies are inferred from the claim text.