- 专利标题： MELT DISPERSION PROCESS FOR MAKING POLYMER POLYOLS
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申请号： US18013626申请日： 2021-07-07
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公开(公告)号： US20230242757A1公开(公告)日： 2023-08-03
- 发明人: Sven Claessens , Kathleen Barnes , Stephanie A. Bloxom , Niek Thomaes , Antoon De Smet , Nicholas B. Schaffer
- 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/US2021/040639 2021.07.07
- 进入国家日期： 2022-12-29
- 主分类号： C08L71/02
- IPC分类号： C08L71/02 ; C08G65/26
摘要：
A preformed thermoplastic polymer is dispersed into a polyol via a mechanical dispersion process. A stabilizer is present to stabilize the dispersed polymer particles. An antisolvent is also present. The antisolvent has been found to lead to smaller particle size and increased dispersion stability.
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