发明名称 |
THERMALLY STABLE ACOUSTICAL INSULATION |
摘要 |
There is provided a thermally stabilized polypropylene melt-blown microfiber acoustical insulation web which has a resistance to thermal degradation at a temperature of 135 ~C for at least 10 days. The polypropylene has a thermal stabilizer uniformly distributed within the melt-blown microfiber polymer which polymer when produced is subject to thermal and/or catalytic degradation in the absence of significant levels of thermal stabilizer or antioxidant. |
申请公布号 |
CA2254840(A1) |
申请公布日期 |
1997.12.04 |
申请号 |
CA19962254840 |
申请日期 |
1996.09.30 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
EBBENS, RUTH A.;SWAN, MICHAEL D. |
分类号 |
B32B5/02;B32B27/32;B60J5/00;B60J5/04;B60R11/00;B60R11/02;B60R13/08;C08K5/134;D01F6/06;D04H1/42;D04H1/56;D04H3/16 |
主分类号 |
B32B5/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|