发明名称 |
TOUGH AND DURABLE INSULATION BOARDS PRODUCED IN-PART WITH SCRAP RUBBER MATERIALS AND RELATED METHODS |
摘要 |
<p>A composite recovery board (10, 20, 30) comprises a foam core (11) having lower (12) and upper (13) surfaces, wherein the foam core is selected from the group consisting of polyisocyanurate and polyurethane materials and mixtures thereof; and a filler within said foam core selected from the group consisti ng of rubber-tire vents, EPDM scrap material, plastic chips, polyurethane scrap, polyisocyanurate scrap, scrap rubber from recycled tires, wood chips, fiberglass strands and mixtures thereof. A method of re-roofing a roof comprising applying composite boards (10, 20, 30) of the present invention to a roof deck and applying a weather protective layer over the composite boards. A continuous method of making composite recovery boards (10) of the present invention comprises is also provided.</p> |
申请公布号 |
CA2409902(A1) |
申请公布日期 |
2003.04.30 |
申请号 |
CA20022409902 |
申请日期 |
2002.10.29 |
申请人 |
BFS DIVERSIFIED PRODUCTS, LLC |
发明人 |
LETTS, JOHN B.;DOUGLAS, BRUCE F.;BRANDT, GREG A.;O'CONNOR, TERENCE J.;GEARY, JOHN R. |
分类号 |
B29C44/32;B32B5/18;B32B27/20;B32B37/20;E04C2/296;E04D11/02;(IPC1-7):F16S1/00;E04B1/80;E04D13/16;E04G23/03 |
主分类号 |
B29C44/32 |
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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