Invention Application
- Patent Title: IN-SITU FORMED POLYETHER POLYOLS, PROCESSES FOR THEIR PREPARATION, AND PROCESSES FOR THE PREPARATION OF POLYURETHANE FOAMS
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Application No.: PCT/US2022/036473Application Date: 2022-07-08
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Publication No.: WO2023009290A1Publication Date: 2023-02-02
- Inventor: LEWIS, Sharlene A. , REESE, Jack R.
- Applicant: COVESTRO LLC
- Applicant Address: 1 Covestro Circle
- Assignee: COVESTRO LLC
- Current Assignee: COVESTRO LLC
- Current Assignee Address: 1 Covestro Circle
- Agency: PALLADINO, Donald R.
- Priority: US17/386,844 2021-07-28
- Main IPC: C08G18/48
- IPC: C08G18/48 ; C08G65/26
Abstract:
This invention relates to an in-situ formed polyether polyol blend having an overall functionality of 2 to 3 and an overall hydroxyl number of 40 to 220 mg KOH/g. A process for preparing these in-situ formed polyether polyol blends is also disclosed. These in-situ formed polyether polyol blends are suitable for a process of preparing viscoelastic flexible polyurethane foams.
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