Invention Application
- Patent Title: METHOD OF PRODUCING A THERMOPLASTIC POLYURETHANE COMPOUND
- Patent Title (中): 生产热塑性聚氨酯化合物的方法
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Application No.: US11565672Application Date: 2006-12-01
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Publication No.: US20080132591A1Publication Date: 2008-06-05
- Inventor: Gary M. Lawrence , Stephane Morin , Rabeh Elleithy , Anand G. Huprikar , Terry M. Kowalski , Heiner Wiecher
- Applicant: Gary M. Lawrence , Stephane Morin , Rabeh Elleithy , Anand G. Huprikar , Terry M. Kowalski , Heiner Wiecher
- Main IPC: C08G18/00
- IPC: C08G18/00 ; C08J11/04
Abstract:
A method of producing a thermoplastic polyurethane (TPU) compound including a polyurethane powder comprising microcellular polyurethane (MCU). The method minimizes discarding scrap MCU, reduces the cost of TPU articles by introducing a partial replacement for the TPU resin, and reduces injection-molding times to produce TPU articles. The TPU compound including polyurethane powder has superior melt temperature and compression set properties as compared to TPU compounds of similar Shore hardness that are free of the polyurethane powder. The invention also provides a TPU article including the TPU compound and a method of recycling a MCU foam.
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