Title:
NONWOVEN FABRIC AND FILTRATION MATERIAL FOR FILTER
Document Type and Number:
Japanese Patent JP2004176235
Kind Code:
A
Abstract:
To provide a filtration material for filters excellent in mechanical characteristics such as tensile strength while maintaining a function for removing ions in air and water.
A nonwoven fabric is provided from a super high molecular polyolefin having ≥5dl/g intrinsic viscosity [η], preferably has cation exchanging groups and anion exchange groups and produced by using radiation graft method. As the filtration material for filters, the nonwoven fabric is used.
Inventors:
MATSUMOTO KATSUNARI
YOSHIMITSU HIROFUMI
YOSHIMITSU HIROFUMI
Application Number:
JP2002347346A
Publication Date:
June 24, 2004
Filing Date:
November 29, 2002
Export Citation:
Assignee:
MITSUI CHEMICALS INC
International Classes:
B01D39/14; B01D39/16; B01J20/24; D04H1/4291; D04H13/02; D06M14/28; (IPC1-7): D04H1/42; B01D39/14; B01D39/16; B01J20/24; D04H13/02; D06M14/28
Domestic Patent References:
JP2002110130A | 2002-04-12 | |||
JPH11181664A | 1999-07-06 | |||
JP2000317280A | 2000-11-21 | |||
JPH0610254A | 1994-01-18 | |||
JPH06346372A | 1994-12-20 | |||
JPS63203882A | 1988-08-23 |