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Title:
MELT-BLOWN NONWOVEN FABRIC OF POLYMETHYLPENTENE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/256425
Kind Code:
A1
Abstract:
This melt-blown nonwoven fabric which is formed of a polymethylpentene has a melt shear viscosity of from 600 Pa·s to 11,000 Pa·s as measured at the temperature of 230°C at the angular frequency of 0.10 rad/s, while having a melt shear viscosity of from 30 Pa·s to 340 Pa·s as measured at the temperature of 230°C at the angular frequency of 100 rad/s.

Inventors:
HARADA SATORU (JP)
Application Number:
PCT/JP2021/022515
Publication Date:
December 23, 2021
Filing Date:
June 14, 2021
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
D04H3/16; D01D5/08; D01F6/04; D01F6/46; D04H3/007
Domestic Patent References:
WO2021033700A12021-02-25
Foreign References:
JP2018095973A2018-06-21
KR102256160B12021-05-25
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