Title:
DEFOAMER COMPOSITION BASED ON OIL-IN-WATER EMULSIONS
Document Type and Number:
WIPO Patent Application WO/2024/073886
Kind Code:
A1
Abstract:
A defoamer composition is provided. It comprises I) an oil phase, II) a water phase, III) at least one O/W emulsifier, and IV) at least one W/O emulsifier as co-emulsifier wherein the amount of the water phase is 20-90 wt. %, preferably 60-85 wt. % based on the total weight of the composition, characterized in that the oil phase is an oil-in-oil emulsion comprising A) at least one or more vegetable oil as component A, B) at least one or more polyether ester as component B and C) at least one or more polyether-modified polysiloxane, and optional D) at least one or more hydrophobic particle as component D.
Inventors:
SUN YI (CN)
HU YANLING (CN)
NIEDBALLA JONAS (DE)
MÜNSTER DANIELA (DE)
CHEN XUEFANG (CN)
LI GANG (CN)
FAN HAIYI (CN)
STRUCK SUSANNE (DE)
HU YANLING (CN)
NIEDBALLA JONAS (DE)
MÜNSTER DANIELA (DE)
CHEN XUEFANG (CN)
LI GANG (CN)
FAN HAIYI (CN)
STRUCK SUSANNE (DE)
Application Number:
PCT/CN2022/123790
Publication Date:
April 11, 2024
Filing Date:
October 08, 2022
Export Citation:
Assignee:
EVONIK OPERATIONS GMBH (DE)
SUN YI (CN)
SUN YI (CN)
International Classes:
B01D19/04; B01D19/02; C08L83/04
Domestic Patent References:
| WO2020091003A1 | 2020-05-07 |
Foreign References:
| US20160107103A1 | 2016-04-21 | |||
| CN111356430A | 2020-06-30 | |||
| US20060128816A1 | 2006-06-15 | |||
| US5866041A | 1999-02-02 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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