Title:
【発明の名称】繊維エンタングルされた不織ウェブ材料の製造方法
Document Type and Number:
Japanese Patent JP2817006
Kind Code:
B2
Abstract:
A method for hydroentangling nonwoven fibrous sheet material to significantly increase the strength thereof at low latex add-on values employs small diameter jets of high-pressure water in the form of coherent streams that concentrate the hydraulic energy over a distance equal to approximately the diameter of the fibers being entangled. While fiber entangling water jets have been utilized heretofore, the present invention employs a relatively lower pressure for the fiber rearrangement along with a synergistic effect of wood pulp and long polyester fibers coupled with small amounts of latex to achieve the unexpectedly high strengths within these light weight materials. The resultant sheet material possesses excellent uniformity of fiber distribution and improved strength characteristics over those typically obtained from prior art water jet entanglement processes requiring 300-2000% the entanglement input energy employed in this process.
Inventors:
Helen Viazmensky
Karl E Richard
James E Williamson
Karl E Richard
James E Williamson
Application Number:
JP17431190A
Publication Date:
October 27, 1998
Filing Date:
June 29, 1990
Export Citation:
Assignee:
The Dexter Corporation
International Classes:
D04H1/46; D21F11/02; D21F11/00; D21H13/14; D21H13/24; D21H15/06; D21H23/00; D21H25/00; (IPC1-7): D21F11/02; D21H27/00
Domestic Patent References:
| JP59211667A | ||||
| JP250239B2 | ||||
| JP4113583B1 |
Attorney, Agent or Firm:
Akashi Masatake