Title:
LYOCELL MATERIAL WITH CONTROLLED WHITENESS BY HYDROGEN PEROXIDE TREATMENT AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/054975
Kind Code:
A1
Abstract:
The present invention relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow and can replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.
Inventors:
JIN SANG WOO (KR)
JEONG JONG CHEOL (KR)
LEE JEONG HUN (KR)
SEO SEUNG DONG (KR)
HWANG YEONG NAM (KR)
HA SUNGHOON (KR)
MA KYENGBAE (KR)
YANG JIN-CHUL (KR)
CHEONG BONG SU (KR)
JEONG JONG CHEOL (KR)
LEE JEONG HUN (KR)
SEO SEUNG DONG (KR)
HWANG YEONG NAM (KR)
HA SUNGHOON (KR)
MA KYENGBAE (KR)
YANG JIN-CHUL (KR)
CHEONG BONG SU (KR)
Application Number:
PCT/KR2022/014136
Publication Date:
April 06, 2023
Filing Date:
September 21, 2022
Export Citation:
Assignee:
KOLON INC (KR)
KT & G CORP (KR)
KT & G CORP (KR)
International Classes:
D06M11/50; A24D3/02; A24D3/06; A24D3/10; D01D5/06; D01D5/22; D01D10/06; D01F2/00
Domestic Patent References:
| WO1999047733A1 | 1999-09-23 |
Foreign References:
| KR20150077272A | 2015-07-07 | |||
| JP2013506060A | 2013-02-21 | |||
| CN109338493A | 2019-02-15 | |||
| EP0989224A1 | 2000-03-29 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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