Invention Grant
- Patent Title: Heat treated multilayer knitted textile of liquid crystal polymer fibers and modified polyacrylonitrile fibers, and process for making same
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Application No.: US17200879Application Date: 2021-03-14
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Publication No.: US11591748B2Publication Date: 2023-02-28
- Inventor: James Gigrich
- Applicant: Shadow Works, LLC
- Applicant Address: US VA Lorton
- Assignee: Shadow Works, LLC
- Current Assignee: Shadow Works, LLC
- Current Assignee Address: US VA Lorton
- Agency: Juneau & Mitchell
- Agent Todd L. Juneau
- Main IPC: D06P5/00
- IPC: D06P5/00 ; D06P1/52 ; D01D5/00 ; D02G3/04 ; D02G3/22 ; D02G3/44 ; D06P5/20

Abstract:
The invention relates to a process for manufacturing a multilayer knitted textile by heating a multi-layer knitted textile in the presence of one or more dye compounds, wherein the multilayer knitted textile comprises a fabric outer layer and a fabric inner layer, wherein the fabric outer layer is knit from a first yarn containing a combination of modacrylic fibers and cotton fibers, wherein the fabric inner layer is knit from a second yarn made from 50-90% HBA/HNA filaments, wherein the heating shrinks the outer layer from about 5 to 25% in length, width, or both.
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