发明名称 |
Carpet with improved liquid barrier properties and methods of manufacture thereof |
摘要 |
A method for producing a carpet comprising the steps of (a) providing a carpet having a pile side formed from yarn fibers projecting through a primary backing layer and an underside region comprising back stitch yarn fibers; (b) applying effective repellency enhancing amounts of a first repellency enhancing compound to the pile side; (c) applying a liquid repellency enhancing compound to the underside region to provide liquid barrier properties in the region; and (d) applying separately and subsequently a coating to the underside region. Step (a) may be performed separately from step (b) and the liquid repellency enhancing compound forms a discontinuous layer. A carpet with improved liquid barrier properties produced by the method and variations thereof is also disclosed.
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申请公布号 |
US7311959(B2) |
申请公布日期 |
2007.12.25 |
申请号 |
US20040770834 |
申请日期 |
2004.02.03 |
申请人 |
COLUMBIA INSURANCE COMPANY |
发明人 |
JONES, JR. DENNIS J. |
分类号 |
B32B33/00;B05D1/00;B05D1/36;D06N7/00 |
主分类号 |
B32B33/00 |
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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