| 发明名称 |
METHODS OF CONFERRING FIRE RETARDANCY TO WOOD AND FIRE-RETARDANT WOOD PRODUCTS |
| 摘要 |
A process is provided for treating wood products including lumber, plywood and other engineered wood products comprising the steps of applying an aqueous fire-retardant impregnate and applying a coating to the surface of the wood product. In one embodiment, said process confers fire-retardant properties to the wood products sufficient to pass the extended burn test of ASTM E-84. The present invention also provides fire retardant wood products. |
| 申请公布号 |
US2017120473(A1) |
申请公布日期 |
2017.05.04 |
| 申请号 |
US201515314791 |
申请日期 |
2015.05.27 |
| 申请人 |
Koppers Performance Chemicals Inc. |
发明人 |
ZHANG Jun;HORTON John;GAO Xinhao H. |
| 分类号 |
B27K3/16;B05D1/02;B05D1/18;B05D1/28;C09D5/18;B27K3/08;B27K5/00;C09K21/04;C09K21/02;C09K21/10;B05D7/06;B27K3/36 |
主分类号 |
B27K3/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of treating plywood or oriented strand board (OSB) comprising the steps of:
applying an aqueous fire-retardant impregnate to a wood product consisting of plywood or OSB with a thickness of up to approximately % inch, such that the impregnate penetrates the wood product; and applying a coating to the wood product surface; wherein said treatment confers fire retardancy to the treated wood product such that the treated wood product exhibits a flame spread distance of not more than 6 feet in an ASTM E-84 30-minute burn test; wherein said fire retardant impregnate is applied by pressure or vacuum treatment, or both, or microwave treatment. |
| 地址 |
Pittsburgh PA US |
