Title:
METHOD FOR HEATING NONWOVEN WEBS
Document Type and Number:
Japanese Patent JP2008196105
Kind Code:
A
Abstract:
To provide a method for obtaining a multiple component nonwoven fabric with reduced stretch-type defects.
The method for heating the multiple component nonwoven fabric comprises a first polymeric component and a second polymeric component, wherein the melting point or softening point of the first polymeric component is lower than the melting point or softening point of the second polymeric component, and the nonwoven fabric is heated to a temperature greater than about (Tm-40)C (where Tm is the melting point or softening point of the first polymeric component) but less than (Tm-10)C, while the nonwoven fabric is under a tension in any one direction that is between 0 and 52.5 N/m.
Inventors:
CLEARY JOHN C
DAVIS MICHAEL C
MCCOY TODD A
RUDISILL EDGAR N
DAVIS MICHAEL C
MCCOY TODD A
RUDISILL EDGAR N
Application Number:
JP2008071837A
Publication Date:
August 28, 2008
Filing Date:
March 19, 2008
Export Citation:
Assignee:
DU PONT
International Classes:
D04H3/14; D04H3/16; F26B13/10; F26B13/12; F26B13/18; F26B13/20
Domestic Patent References:
| JPH01213452A | 1989-08-28 | |||
| JPH02127553A | 1990-05-16 |
Foreign References:
| WO1999049119A1 | 1999-09-30 |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office