- 专利标题: Aqueous polyurethane dispersions for artificial leather applications
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申请号: US17281622申请日: 2018-10-08
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公开(公告)号: US12031054B2公开(公告)日: 2024-07-09
- 发明人: Jiawen Xiong , Xiangyang Tai
- 申请人: Dow Global Technologies LLC
- 申请人地址: US MI Midland
- 专利权人: Dow Global Technologies LLC
- 当前专利权人: Dow Global Technologies LLC
- 当前专利权人地址: US MI Midland
- 国际申请: PCT/CN2018/109290 2018.10.08
- 国际公布: WO2020/073155A 2020.04.16
- 进入国家日期: 2021-03-31
- 主分类号: C09D175/12
- IPC分类号: C09D175/12 ; C08G18/12 ; C08G18/48 ; C08G18/75 ; D06N3/14
摘要:
Aqueous polyurethane dispersions are useful for making artificial leather and similar products. The dispersions contain polyurethane-urea particles dispersed in an aqueous phase. The particles are made using isophorone diisocyanate, certain cyclic amine chain extenders and certain polyol mixtures.
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