KR101011787B1 - 형상기억 폴리우레탄 전기방사 웹 및 이의 제조 방법 - Google Patents
형상기억 폴리우레탄 전기방사 웹 및 이의 제조 방법 Download PDFInfo
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- KR101011787B1 KR101011787B1 KR1020080107923A KR20080107923A KR101011787B1 KR 101011787 B1 KR101011787 B1 KR 101011787B1 KR 1020080107923 A KR1020080107923 A KR 1020080107923A KR 20080107923 A KR20080107923 A KR 20080107923A KR 101011787 B1 KR101011787 B1 KR 101011787B1
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- South Korea
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- polyurethane
- shape memory
- web
- electrospun
- temperature
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- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
-
- 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
- D04H1/4326—Condensation or reaction polymers
- D04H1/4358—Polyurethanes
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2507/00—Sport; Military
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims (12)
- (a) 폴리(ε-카프로락톤 디올)(PCL), 4,4'-디페닐메탄 디이소시아네이트 (MDI) 및 1,4-부탄디올(BD)을 1:2∼6:1∼5의 몰비로 혼합하여 폴리우레탄을 합성하는 단계;(b) N,N-디메틸포름아미드(DMF)와 테트라하이드로푸란 (THF)이 6:4∼4:6 (v/v)의 비율로 혼합된 용매 중에 상기 폴리우레탄을 용해시킨 후 교반하여 전기방사용 폴리우레탄 용액을 조제하는 단계; 및(c) 4∼7 중량%의 전기방사용 폴리우레탄 용액을 6∼16 kV의 전압, 5∼20 cm의 방사 거리 및 1.0∼2.5 ml/시간의 토출량의 조건하에서 전기방사함으로써, 형상기억 폴리우레탄 전기방사 웹을 수득하는 단계를 포함하는 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹의 제조 방법.
- 제 1 항에 있어서,상기 폴리(ε-카프로락톤 디올)(PCL)의 분자량은 2500∼4500인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹의 제조 방법.
- 제 1 항에 있어서,상기 단계 (a)에서 합성된 폴리우레탄은 하드 세그먼트(hard segment)의 함량과 소프트 세그먼트(soft segment)의 함량의 비율이 75∼95:5∼25인 것을 특징으 로 하는 형상기억 폴리우레탄 전기방사 웹의 제조 방법.
- 제 1 항에 있어서,상기 단계 (b)에서 N,N-디메틸포름아미드(DMF)와 테트라하이드로푸란 (THF)이 5:5 (v/v)의 비율로 혼합된 용매를 사용하는 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹의 제조 방법.
- 제 1 항에 있어서,상기 단계 (c)에서 4∼7 중량%의 전기방사용 폴리우레탄 용액을 9∼16 kV의 전압, 14∼16 cm의 방사 거리 및 1.0∼2.0 ml/시간의 토출량의 조건하에서 전기방사하는 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹의 제조 방법.
- 제 1 항 내지 제 5 항 중 어느 하나의 항의 방법에 따라 제조된 형상기억 폴리우레탄 전기방사 웹.
- 제 6 항에 있어서,상기 형상기억 폴리우레탄 전기방사 웹은 정상 상태일 때의 기공의 크기가 144∼553 nm이고, 양방향으로 각각 50% 신장시켜 고정화하였을 때의 기공의 크기가 153∼807 nm이고, 회복되었을 때의 기공의 크기가 149∼605 nm인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹.
- 제 6 항에 있어서,상기 형상기억 폴리우레탄 전기방사 웹의 전이 온도(Ttrans)는 35∼40℃인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹.
- 제 6 항에 있어서,상기 형상기억 폴리우레탄 전기방사 웹의 변형 회복율(shape recovery)은 90% 이상인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹.
- 제 6 항에 있어서,ASTM D737법에 의해 측정된 상기 형상기억 폴리우레탄 전기방사 웹의 공기 투과도는 정상 상태일 경우에 9∼10 ㎤/㎠/s이고, 양방향으로 각각 50% 신장시켜 고정화하였을 경우에 30 ㎤/㎠/s 이상인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹.
- 제 6 항에 있어서,ASTM E96법에 의해 측정된 상기 형상기억 폴리우레탄 전기방사 웹의 투습도는 20℃에서 40℃로 승온시킬 때 2000∼2400 g/㎡/24시간에서 5800∼5900 g/㎡/24시간으로 증가되고; ISO 811법에 의해 측정된 상기 형상기억 폴리우레탄 전기방사 웹의 내수도는 30∼80 cmWC인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹.
- 제 6 항에 있어서,고온 다습 환경[상대습도(RH): 65%, 온도: 20℃→30℃→40℃]과 고온 건조 환경[상대습도(RH): 10%, 온도: 20℃→30℃→40℃]에서, 단열시키지 않은 경우와 단열시킨 경우의 상기 형상기억 폴리우레탄 전기방사 웹의 온도차(△T)는 각각 최대 4℃ 이상인 것을 특징으로 하는 형상기억 폴리우레탄 전기방사 웹.
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Cited By (1)
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KR20230097376A (ko) | 2021-12-24 | 2023-07-03 | 주식회사 고산테크 | 니들 헤드의 토출량 측정 방법, 이를 적용하기 위한 토출량 측정 시스템 및 이를 적용한 액체 토출 제어 시스템 |
Families Citing this family (3)
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CZ2016570A3 (cs) | 2016-09-15 | 2018-03-28 | Zentiva, K.S. | Stabilní kompozice ODF obsahující těžce rozpustné terapeutické činidlo |
CZ2017781A3 (cs) | 2017-12-05 | 2019-06-12 | Zentiva, K.S. | Těžko rozpustné terapeutická činidla,která patřící do BCS skupiny II nebo IV, suspendovaná v kapalné formulaci a/nebo v konečné nanovláknité struktuře |
KR102402031B1 (ko) * | 2020-11-27 | 2022-05-27 | 임대순 | 형상 기억 소재를 이용한 맞춤형 의류 제작 시스템 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4524036A (en) * | 1981-08-10 | 1985-06-18 | University Of Liverpool | Process for the manufacture of polyurethane resin for electrostatic spinning |
KR19980016618A (ko) * | 1996-08-29 | 1998-06-05 | 한형수 | 폴리우레탄 탄성섬유의 제조방법 |
KR100760652B1 (ko) * | 2006-01-26 | 2007-10-04 | 인하대학교 산학협력단 | 은 나노입자 함유 폴리우레탄 나노섬유 매트의 제조방법 |
KR100792894B1 (ko) * | 2006-08-04 | 2008-01-08 | 현대자동차주식회사 | 자동차 내장재용 내광성 나노섬유 표피재의 제조방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4524036A (en) * | 1981-08-10 | 1985-06-18 | University Of Liverpool | Process for the manufacture of polyurethane resin for electrostatic spinning |
KR19980016618A (ko) * | 1996-08-29 | 1998-06-05 | 한형수 | 폴리우레탄 탄성섬유의 제조방법 |
KR100760652B1 (ko) * | 2006-01-26 | 2007-10-04 | 인하대학교 산학협력단 | 은 나노입자 함유 폴리우레탄 나노섬유 매트의 제조방법 |
KR100792894B1 (ko) * | 2006-08-04 | 2008-01-08 | 현대자동차주식회사 | 자동차 내장재용 내광성 나노섬유 표피재의 제조방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230097376A (ko) | 2021-12-24 | 2023-07-03 | 주식회사 고산테크 | 니들 헤드의 토출량 측정 방법, 이를 적용하기 위한 토출량 측정 시스템 및 이를 적용한 액체 토출 제어 시스템 |
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