Invention Grant
- Patent Title: Process and formulation for producing a polyamide having low caprolactam concentration and specific relative viscosity
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Application No.: US17751949Application Date: 2022-05-24
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Publication No.: US11851563B2Publication Date: 2023-12-26
- Inventor: Jacob Ray , Chris Schwier , Douglas Claire Hoffman , Muhamad Fouad
- Applicant: ASCEND PERFORMANCE MATERIALS OPERATIONS LLC
- Applicant Address: US TX Houston
- Assignee: Ascend Performance Materials Operations LLC
- Current Assignee: Ascend Performance Materials Operations LLC
- Current Assignee Address: US TX Houston
- Agency: COZEN O'CONNOR
- The original application number of the division: US16545671 2019.08.20
- Main IPC: C08L77/02
- IPC: C08L77/02 ; C08G69/16 ; C08G69/46 ; B01J31/02 ; B01J27/187
Abstract:
A base polyamide composition comprising a nylon mixture having caprolactam units from 1 wppb to 50 wppm catalyst composition; and greater than 0.75 wt % residual caprolactam, wherein the base polyamide composition has a delta end group level ranging from 30 μeq/gram to 90 μeq/gram.
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