发明名称 |
PROCESSES FOR RECYCLING CARPET AND PRODUCTS OF SUCH PROCESSES |
摘要 |
Methods for the recycling of carpet are disclosed that produce clean face fiber suitable for industrial use. The methods allow the recovery of face fiber material, for example a polyester or a polyamide, from carpets that includes a face fiber material and a backing material, and include the steps of heating the carpet to a temperature lower than the melting point of the face fiber material, but higher than the initial thermal decomposition temperature of the backing material, for a time and at a temperature sufficient to thermally decompose, pyrolyze, or oxidize at least a portion of the backing material, rendering the backing material friable, that is more friable than the untreated backing; and applying mechanical force to the carpet so as to liberate the friable backing material from the face fiber material. |
申请公布号 |
WO2013066559(A3) |
申请公布日期 |
2013.09.26 |
申请号 |
WO2012US58828 |
申请日期 |
2012.10.05 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
BORK, JOSEPH, E.;PASPEK, STEPHEN, C.;SCHROEDER, ALAN, F.;HEISE, WILLIAM, H. |
分类号 |
B29B17/02;C08J11/04;C08J11/08;D01B9/00 |
主分类号 |
B29B17/02 |
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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