KR102490724B1 - 재생 셀룰로오스계 섬유 부직포, 약액 함침 시트 및 페이스 마스크 - Google Patents
재생 셀룰로오스계 섬유 부직포, 약액 함침 시트 및 페이스 마스크 Download PDFInfo
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- KR102490724B1 KR102490724B1 KR1020217024056A KR20217024056A KR102490724B1 KR 102490724 B1 KR102490724 B1 KR 102490724B1 KR 1020217024056 A KR1020217024056 A KR 1020217024056A KR 20217024056 A KR20217024056 A KR 20217024056A KR 102490724 B1 KR102490724 B1 KR 102490724B1
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- Prior art keywords
- nonwoven fabric
- less
- wet
- dry
- surface roughness
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 175
- 239000000835 fiber Substances 0.000 title claims abstract description 88
- 239000004627 regenerated cellulose Substances 0.000 title claims abstract description 30
- 230000003746 surface roughness Effects 0.000 claims abstract description 50
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 46
- 229920003043 Cellulose fiber Polymers 0.000 claims description 5
- 239000000126 substance Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 238000011156 evaluation Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 10
- 238000009987 spinning Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920000297 Rayon Polymers 0.000 description 5
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002964 rayon Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920000433 Lyocell Polymers 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 241000630665 Hada Species 0.000 description 2
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229920001410 Microfiber Polymers 0.000 description 1
- 229920001407 Modal (textile) Polymers 0.000 description 1
- 239000004772 Sontara Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
- A45D44/002—Masks for cosmetic treatment of the face
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0212—Face masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0241—Containing particulates characterized by their shape and/or structure
- A61K8/027—Fibers; Fibrils
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/013—Regenerated cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0627—Spun-bonded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0663—The layers being joined by hydro-entangling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dermatology (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims (7)
- 섬유 직경 0.5 ㎛ 이상 10.0 ㎛ 이하의 재생 셀룰로오스계 섬유로 구성되는 부직포로서, 이 부직포의, 건조 상태의 표면 거칠기가 100 ㎛ 이하이고, 건조 상태에 있어서의 지합(地合) 지수가 250 이하이며, 또한 습윤 시의 부직포의 가로 방향의 초기 항장력(抗張力)이 0.25 N/50 ㎜ 이상 0.75 N/50 ㎜ 이하인 것을 특징으로 하는 부직포.
- 제1항에 있어서, 단위 중량이 10 g/㎡ 이상 80 g/㎡ 이하이고, 또한 두께가 0.05 ㎜ 이상 0.50 ㎜ 이하인 부직포.
- 제1항 또는 제2항에 있어서, 상기 셀룰로오스계 섬유는 연속 장섬유인 부직포.
- 제1항 또는 제2항에 있어서, 부피 밀도가 0.15 g/㎤ 이상 0.30 g/㎤ 이하인 부직포.
- 제1항 또는 제2항에 기재된 부직포를 포함하는 약액 함침 시트.
- 제1항 또는 제2항에 기재된 부직포를 포함하는 페이스 마스크.
- 제3항에 있어서, 부피 밀도가 0.15 g/㎤ 이상 0.30 g/㎤ 이하인 부직포.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019089012 | 2019-05-09 | ||
JPJP-P-2019-089012 | 2019-05-09 | ||
PCT/JP2020/018723 WO2020226181A1 (ja) | 2019-05-09 | 2020-05-08 | 再生セルロース系繊維不織布、薬液含浸シート、及びフェイスマスク |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20210109012A KR20210109012A (ko) | 2021-09-03 |
KR102490724B1 true KR102490724B1 (ko) | 2023-01-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020217024056A KR102490724B1 (ko) | 2019-05-09 | 2020-05-08 | 재생 셀룰로오스계 섬유 부직포, 약액 함침 시트 및 페이스 마스크 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3967180B1 (ko) |
JP (1) | JP7101879B2 (ko) |
KR (1) | KR102490724B1 (ko) |
CN (1) | CN113677238B (ko) |
WO (1) | WO2020226181A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022225056A1 (ja) * | 2021-04-23 | 2022-10-27 | 旭化成株式会社 | セルロース繊維を含む不織布 |
GB202311829D0 (en) * | 2023-08-01 | 2023-09-13 | Nicoventures Trading Ltd | A material for use as a component for an aerosol provision article |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101239720B1 (ko) | 2004-04-21 | 2013-03-06 | 도레이 카부시키가이샤 | 연마포 및 나노파이버 구조체의 제조방법 |
JP2016037674A (ja) | 2014-08-07 | 2016-03-22 | 旭化成せんい株式会社 | 薬液含浸用シート及びこれを用いたフェイスマスク |
JP2018127744A (ja) | 2017-02-10 | 2018-08-16 | 旭化成株式会社 | フェイスマスク用セルロース系繊維不織布 |
Family Cites Families (9)
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JPS4816312B1 (ko) | 1968-05-10 | 1973-05-21 | ||
JP4331518B2 (ja) * | 2003-06-18 | 2009-09-16 | ユニチカ株式会社 | 殺菌消毒綿 |
JP4471620B2 (ja) | 2003-10-16 | 2010-06-02 | 旭化成せんい株式会社 | セルロース繊維不織布及びそれを用いた不織布製品 |
JP2006057211A (ja) * | 2004-08-20 | 2006-03-02 | Daiwabo Co Ltd | セルロース系不織布及びその製造方法 |
JP2009297535A (ja) | 2009-09-07 | 2009-12-24 | Asahi Kasei Fibers Corp | 化粧用基材及びこれを用いた皮膚洗浄用シート |
JP2013124435A (ja) * | 2011-12-16 | 2013-06-24 | Asahi Kasei Fibers Corp | 化粧用シート |
JP6267913B2 (ja) | 2013-10-03 | 2018-01-24 | 旭化成株式会社 | フェイスマスク用不織布 |
JP6734072B2 (ja) * | 2016-02-25 | 2020-08-05 | 旭化成株式会社 | フェイスマスク用セルロース繊維不織布 |
JP2018153632A (ja) * | 2017-03-15 | 2018-10-04 | 旭化成株式会社 | 薬液含浸用シート |
-
2020
- 2020-05-08 CN CN202080028304.2A patent/CN113677238B/zh active Active
- 2020-05-08 KR KR1020217024056A patent/KR102490724B1/ko active IP Right Grant
- 2020-05-08 WO PCT/JP2020/018723 patent/WO2020226181A1/ja unknown
- 2020-05-08 EP EP20802754.0A patent/EP3967180B1/en active Active
- 2020-05-08 JP JP2021518408A patent/JP7101879B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101239720B1 (ko) | 2004-04-21 | 2013-03-06 | 도레이 카부시키가이샤 | 연마포 및 나노파이버 구조체의 제조방법 |
JP2016037674A (ja) | 2014-08-07 | 2016-03-22 | 旭化成せんい株式会社 | 薬液含浸用シート及びこれを用いたフェイスマスク |
JP2018127744A (ja) | 2017-02-10 | 2018-08-16 | 旭化成株式会社 | フェイスマスク用セルロース系繊維不織布 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2020226181A1 (ja) | 2021-11-18 |
EP3967180A4 (en) | 2022-07-06 |
JP7101879B2 (ja) | 2022-07-15 |
EP3967180A1 (en) | 2022-03-16 |
EP3967180B1 (en) | 2023-05-03 |
CN113677238A (zh) | 2021-11-19 |
KR20210109012A (ko) | 2021-09-03 |
CN113677238B (zh) | 2024-06-11 |
WO2020226181A1 (ja) | 2020-11-12 |
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