发明名称 |
UTILIZATION OF DEVULCANIZED EPDM MEMBRANE IN THE MANUFACTUREOF EPDM MEMBRANE, FLASHING AND ROOF ACCESSORIES |
摘要 |
<p>A method of recycling EPDM rubber including the steps of devulcanizing previously cured EPDM rubber and adding the devulcanized EPDM rubber to a composition for forming an elastomeric membrane for roofing, the composition including a rubber mixture including from about 50 to about 95 parts by weight virgin EPDM rubber, and from about 5 to about 50 parts by weight o f the devulcanized EPDM rubber, to total one hundred parts by weight rubber, from about 75 to about 300 parts by weight phr of a filler, from about 35 to about 135 parts by weight phr of a processing oil, and a cure package.</p> |
申请公布号 |
CA2253083(C) |
申请公布日期 |
2008.01.08 |
申请号 |
CA19982253083 |
申请日期 |
1998.11.09 |
申请人 |
BRIDGESTONE/FIRESTONE, INC. |
发明人 |
FANNIN, BRENDA J.;DAVIS, JAMES A.;MCKAMIE, J. ARVIS |
分类号 |
C08L17/00;C08J11/10;C08K3/00;C08L23/08;C08L23/16;C08L51/06;C08L53/00;E04D5/06 |
主分类号 |
C08L17/00 |
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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