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Patent Searching and Data


Title:
PRODUCTION OF THERMOPLASTIC WEB
Document Type and Number:
Japanese Patent JPH03161560
Kind Code:
A
Abstract:

PURPOSE: To obtain the subject web having high bulkiness and excellent shape- retainability such as compression recovery by drawing and splitting a multi-layer film containing a specific resin layer, forming the split fibers into a web and welding the fibers by heating.

CONSTITUTION: The objective web can be produced by drawing and splitting a multi-layer film containing at least two layers of thermoplastic resins having different melting points, cutting the split fibers to form short fibers, forming in the form of a web and welding the fibers with heat. The resin layer is preferably a laminate of two high-melting/low-melting layers consisting of e.g. a combination of a crystalline polypropylene and a high-density polyethylene.


Inventors:
TAKAHASHI TETSUYA
WADA TAKAMITSU
Application Number:
JP30006389A
Publication Date:
July 11, 1991
Filing Date:
November 17, 1989
Export Citation:
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Assignee:
SHOWA DENKO KK
International Classes:
D04H1/485; D04H1/541; D04H13/00; (IPC1-7): D04H1/48; D04H1/54; D04H13/00
Attorney, Agent or Firm:
Ichinose Miyao