Invention Grant
US07651780B2 Single ply thermoplastic (TPO) roofing membranes having superior heat seam peel strengths and low temperature flexibility
有权
单层热塑性塑料（TPO）屋顶膜具有优异的热缝剥离强度和低温柔韧性
- Patent Title: Single ply thermoplastic (TPO) roofing membranes having superior heat seam peel strengths and low temperature flexibility
- Patent Title (中): 单层热塑性塑料（TPO）屋顶膜具有优异的热缝剥离强度和低温柔韧性
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Application No.: US10565465Application Date: 2004-06-29
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Publication No.: US07651780B2Publication Date: 2010-01-26
- Inventor: Li-Ying Yang
- Applicant: Li-Ying Yang
- Applicant Address: US DE Wilmington
- Assignee: Building Materials Investments Corporation
- Current Assignee: Building Materials Investments Corporation
- Current Assignee Address: US DE Wilmington
- Agency: Sills Cummis & Gross
- Agent William J. Davis
- International Application: PCT/US2004/021053 WO 20040629
- International Announcement: WO2005/014281 WO 20050217
- Main IPC: B32B27/08
- IPC: B32B27/08
Abstract:
Roofing membranes of single ply heat seamable thermoplastic polyolefin (TPO) sheets are made with a metallocene-catalyzed polyethylene (MPO) blend. The membranes exhibit superior heat seam peel strengths and low temperature flexibility.
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