	US 12,404,407 B2
	Aqueous polyorganosiloxane hybrid resin dispersion
Mona Seyfried, Essen (DE); Stefan Silber, Krefeld (DE); Berend-Jan de Gans, Muelheim an der Ruhr (DE); Michael Fiedel, Essen (DE); and Markus Hallack, Schermbeck (DE)
Assigned to Evonik Operations GmbH, Essen (DE)
Filed by Evonik Operations GmbH, Essen (DE)
Filed on Feb. 26, 2024, as Appl. No. 18/587,297.
Application 18/587,297 is a division of application No. 16/834,781, filed on Mar. 30, 2020, granted, now 12,018,149.
Claims priority of application No. 19166481 (EP), filed on Apr. 1, 2019.
Prior Publication US 2024/0191079 A1, Jun. 13, 2024
Int. Cl. C08L 83/04 (2006.01); C08J 3/07 (2006.01); C08L 67/02 (2006.01); C09D 167/02 (2006.01); C09D 183/04 (2006.01)

CPC C08L 83/04 (2013.01) [C08J 3/07 (2013.01); C08L 67/025 (2013.01); C09D 167/025 (2013.01); C09D 183/04 (2013.01); C08J 2367/02 (2013.01); C08J 2383/04 (2013.01); C08J 2467/02 (2013.01); C08J 2483/04 (2013.01); C08L 2201/54 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01)]

15 Claims

1. A process for producing an aqueous polyorganosiloxane hybrid resin dispersion, comprising:

a) emulsifying

a polyorganosiloxane hybrid resin solution, comprising a polyorganosiloxane hybrid resin and an organic solvent, with

water and an emulsifier solution or an aqueous emulsifier system, comprising at least one emulsifier comprising a partly hydrolysed polyvinylacetate, and

b) removing the organic solvent by at least one process selected from the group consisting of distillation under reduced pressure with or without stripping gas, steam distillation, a membrane process, evaporation with a thin-film evaporator, and a counter-current process.