Title:
MULTIPLE-LAYERED NONWOVEN CONSTRUCTS FOR IMPROVED BARRIER PERFORMANCE
Document Type and Number:
WIPO Patent Application WO2003037612
Kind Code:
A3
Abstract:
The present invention is directed to a nonwoven laminate fabric comprising at least two layers of light-weight SBS or SBBS fabrics, where B represents a barrier layer, said layers being bonded together to form a laminate fabric. The bonding methods can include thermal calendering, thermal point bonding, ultrasonic bonding, flat calendaring, and adhesive bond. The barrier layer comprises a material selected from suitable media, such media include: meltblown, cellulosic pulp, microporous film or monolithic film, with microfiber media such as meltblown being preferred.
Inventors:
NORTON JOHN
Application Number:
PCT/US2002/034169
Publication Date:
August 14, 2003
Filing Date:
October 25, 2002
Export Citation:
Assignee:
POLYMER GROUP INC (US)
International Classes:
A41D31/00; B32B5/26; D04H5/06; D04H13/00; (IPC1-7): D04H1/00; B32B5/26; D04H1/46; D04H1/56
Foreign References:
| US6268302B1 | 2001-07-31 | |||
| US6309987B1 | 2001-10-30 |
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