- 专利标题: Use of long-chain citric acid esters in aqueous polyurethane dispersions
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申请号: US17331452申请日: 2021-05-26
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公开(公告)号: US11932747B2公开(公告)日: 2024-03-19
- 发明人: Michael Klostermann , Kai-Oliver Feldmann , Jan Marian von Hof , Marvin Jansen , Sina Arnold
- 申请人: Evonik Operations GmbH
- 申请人地址: DE Essen
- 专利权人: Evonik Operations GmbH
- 当前专利权人: Evonik Operations GmbH
- 当前专利权人地址: DE Essen
- 代理机构: Grüneberg and Myers PLLC
- 优先权: EP 181880 2020.06.24
- 主分类号: C08J9/30
- IPC分类号: C08J9/30 ; C08K5/092 ; C09K23/34 ; C09K23/38
摘要:
The use of long-chain citric acid esters as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
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