Nonwoven web - 3M INNOVATIVE PROPERTIES COMPANY

Title:

Nonwoven web

Document Type and Number:

Japanese Patent JP6362400

Kind Code:

B2

Abstract:

A nonwoven fabric web having an excellent sound absorption coefficient in a frequency range from 800 Hz to 1000 Hz when used as a sound absorbing member for a vehicle exterior. The nonwoven fabric web including a nonwoven fabric having meltblown fibers and binder fibers arranged so as to be confounded with the meltblown fibers and fused with the meltblown fibers at some of the confounding points at the very least, the weight per unit area of the nonwoven fabric being from 400 g/m2 to 1500 g/m2, and the flexural rigidity of the nonwoven fabric being from 2.0 N/50 mm to 20.0 N/50 mm.

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Inventors:

Daisuke Kurashima
Koji Imai
Ken Yoda

Application Number:

JP2014095431A

Publication Date:

July 25, 2018

Filing Date:

May 02, 2014

Export Citation:

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