Title:
MICROORGANISM DECOMPOSABLE EXTRA FINE FIBER NONWOVEN FABRIC AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3146221
Kind Code:
B2
Abstract:
PURPOSE: To obtain inexpensive nonwoven fabric readily decomposable with microorganisms, having excellent air permeability and flexibility.
CONSTITUTION: Nonwoven fabric comprises extra fine yarn consisting of polyε- caprolactone and/or poly-β-propiolactone and having <0.8 denier fineness of single yarn. Web comprising the extra fine yarn is laminated to web comprising other yarn to form nonwoven fabric. The web comprising the extra fine yarn is obtained by melting and extruding a polymer from a die, removing a sucking air flow by a baffle plate, blowing cooling air on the side of the molten and extruded material, cooling the material and making the material into web.
Inventors:
Koji Tanaka
Yoshimoto Miyahara
Koji Ezaki
Hisashi Inoue
Yoshimoto Miyahara
Koji Ezaki
Hisashi Inoue
Application Number:
JP23502492A
Publication Date:
March 12, 2001
Filing Date:
September 03, 1992
Export Citation:
Assignee:
Unitika Ltd.
International Classes:
A47L13/16; A61L15/00; C08L101/16; D01F6/62; D01H3/00; D04H1/425; D04H1/435; D04H3/011; (IPC1-7): D04H1/42
Domestic Patent References:
| JP2119866A | ||||
| JP3146754A | ||||
| JP450353A |
Attorney, Agent or Firm:
Yoshihiro Morimoto