发明名称 |
Single ply thermoplastic (TPO) roofing membranes having superior heat seam peel strengths and low temperature flexibility |
摘要 |
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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申请公布号 |
US7651780(B2) |
申请公布日期 |
2010.01.26 |
申请号 |
US20040565465 |
申请日期 |
2004.06.29 |
申请人 |
BUILDING MATERIALS INVESTMENTS CORPORATION |
发明人 |
YANG LI-YING |
分类号 |
B32B27/08;B32B27/04;B32B27/12;B32B27/32;C08L23/08;C08L23/16;E04D5/06;E04D5/10 |
主分类号 |
B32B27/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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