Title:
熱安定性防音材
Document Type and Number:
Japanese Patent JP3911548
Kind Code:
B2
Abstract:
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 DEG 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.
Inventors:
Swan, Michael, Day.
Evens, Lou, A.
Evens, Lou, A.
Application Number:
JP54229197A
Publication Date:
May 09, 2007
Filing Date:
September 30, 1996
Export Citation:
Assignee:
3M COMPANY
International Classes:
B32B5/02; G10K11/162; B32B27/32; B60J5/00; B60J5/04; B60R13/08; C08K5/134; D01F6/06; D04H1/42; D04H1/56; D04H3/16; B60R11/00; B60R11/02
Domestic Patent References:
| JP6259081A | ||||
| JP1287914A | ||||
| JP1108237A | ||||
| JP7189024A | ||||
| JP7189021A | ||||
| JP4228666A | ||||
| JP3068639A | ||||
| JP53041577A | ||||
| JP61070059A |
Attorney, Agent or Firm:
Takashi Ishida
Yoshio Yoshio
Toshio Toda
Masaya Nishiyama
Higuchi Souji
Yoshio Yoshio
Toshio Toda
Masaya Nishiyama
Higuchi Souji