US 12,448,522 B2
Method for preparing an at least partially exfoliated clay
Hanns Misiak, Haan (DE); Ligang Zhao, Duesseldorf (DE); Hans-Georg Kinzelmann, Pulheim (DE); Sonja Amschler, Hollfeld (DE); Lina Mayr, Bayreuth (DE); Josef Breu, Bayreuth (DE); and Andreas Edenharter, Waidhofen (DE)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed on Nov. 18, 2021, as Appl. No. 17/455,454.
Application 17/455,454 is a continuation of application No. PCT/EP2020/057722, filed on Mar. 20, 2020.
Claims priority of application No. 19175290 (EP), filed on May 20, 2019.
Prior Publication US 2022/0073751 A1, Mar. 10, 2022
Int. Cl. C09C 1/42 (2006.01); C08K 9/04 (2006.01); C09C 3/00 (2006.01); C09C 3/04 (2006.01); C09C 3/10 (2006.01); C09J 11/04 (2006.01); C09J 11/08 (2006.01); C09J 175/04 (2006.01)
CPC C09C 1/42 (2013.01) [C08K 9/04 (2013.01); C09C 3/006 (2013.01); C09C 3/04 (2013.01); C09C 3/10 (2013.01); C09J 11/04 (2013.01); C09J 11/08 (2013.01); C09J 175/04 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for preparing an at least partially exfoliated clay, the method comprising:
providing a clay;
providing an exfoliating agent comprising a partial ester of a poly(alkylene oxide) (meth)acrylate, vinylene carbonate, and water; and
mixing the clay and the exfoliating agent to obtain the at least partially exfoliated clay,
wherein the water is present in an amount of 10% or less by volume, based on the total volume of the exfoliating agent.