KR940015010A - 개선된 입자 차단 부직 재료 - Google Patents
개선된 입자 차단 부직 재료 Download PDFInfo
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- KR940015010A KR940015010A KR1019930031232A KR930031232A KR940015010A KR 940015010 A KR940015010 A KR 940015010A KR 1019930031232 A KR1019930031232 A KR 1019930031232A KR 930031232 A KR930031232 A KR 930031232A KR 940015010 A KR940015010 A KR 940015010A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
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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
- D04H1/40—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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—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 by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
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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
- D04H1/74—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 orientated, e.g. in parallel (anisotropic fleeces)
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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
- D04H13/00—Other non-woven fabrics
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- 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
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0241—Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles
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- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
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- 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
- B01D2239/0622—Melt-blown
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- 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
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- 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
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- 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
- B01D2239/10—Filtering material manufacturing
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/05—Methods of making filter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/24074—Strand or strand-portions
- Y10T428/24091—Strand or strand-portions with additional layer[s]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/24074—Strand or strand-portions
- Y10T428/24091—Strand or strand-portions with additional layer[s]
- Y10T428/24099—On each side of strands or strand-portions
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- Y10T428/24124—Fibers
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- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
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- Y10T442/3724—Needled
- Y10T442/3756—Nonwoven fabric layer comprises at least two chemically different fibers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
- Y10T442/378—Coated, impregnated, or autogenously bonded
- Y10T442/3846—Including particulate material other than fiber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Abstract
본 발명은 입자 투과에 대한 저항성이 개선된 부직 재료의 제조 방법을 제공한다. 이방법은 용융 취입 열가소성 중합체 섬유로 이루어진 하나 이상의 부직웹을 이 용융 취입 섬유의 부직 웹에 의해 흡수되는 피이크 총에너지가 실온에서 이 용융 취입 섬유의 부직 웹에 의해 흡수되는 양보다 약 250%이상 더 많은 온도로 가열시키는 단계; 개개의 용융 취입 섬유의 적어도 일부가 바로 인접하는 부분들의 섬유 직경보다 실질적으로 더 작은 섬유 직경을 갖는 부분들을 가지도록 상기 가열된 부직 웹에 장력을 가해서 이 부직 웹을 네킹시키는 단계; 상기 네킹된 부직 웹을 냉각시키는 단계로 이루어진다. 또한, 개개의 용융 취입 섬유의 적어도 일부가 바로 인접하는 부분들의 섬유 직경보다 실질적으로 더 작은 섬유 직경을 갖는 부분들을 가짐으로써 입자 투과에 대한 저항성이 개선된, 용융취입 열가소성 중합체 섬유의 하나 이상의 웹으로 이루어진 부직 재료도 제공한다. 이 부직 재료는 입자 투과에 대해 바람직한 저항성을 갖는 다층 재료의 한 성분일 수 있다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 일련의 증기 캔을 사용하여 전형적인 개선된 입자 차단 부직 재료를 제조하는 방법의 일례를 나타내는 개요도,
제2도 및 3도는 전형적인 네킹가능한 재료(처리전)의 현미경 사진,
제4도 및 5도는 전형적인 네킹가능한 재료(처리전)의 확대 현미경 사진,
제6도 및 7도는 가열시키고 네킹시킨 후 네킹된 상태를 유지시키면서 냉각시킨 전형적인 네킹가능한 재료의 현미경 사진,
제8도 및 9도는 약 30℃까지 가열시킨 후 신장시킨 네킹가능한 재료의 확대 현미경 사진,
제10도 및 11도는 약80℃까지 가열시킨 후 신장시킨 네킹가능한재료의 확대 현미경 사진,
제12도 및 13도는 약 105℃까지 가열시킨 후 신장시킨 네킹가능한 재료의 확대 현미경 사진,
제14도 및 15도는 약 130℃까지 가열시킨 후 신장시킨 네팅가능한 재료의 확대 현미경 사진,
제16도 및 17도는 약 150℃까지 가열시킨후 신장시킨 네킹 가능한 재료의 확대 현미경 사진,
제18도는 전형적인 입자 차단 재료를 열처리하는 동안 측정된 피이크 하중에서 흡수된 총에너지와 온도와의 관계를 도시한 그래프.
Claims (33)
- 용융 취입 열가소성 중합체 섬유로 이루어진 부직 웹을 이 웹에 의해 흡수되는 피이크 총에너지가 실온에서 이 웹에 의해 흡수되는 양보다 약 250%이상 더 많은 온도로 가열시키고; 개개의 용융 취입 섬유의 적어도 일부가 바로 인접하는 부분들의 섬유 직경보다 실질적으로 더 작은 섬유 직경을 갖는 부분들을 가지도록 상기 가열된 부직웹에 장력을 가해서 이 부직 웹을 네킹시키고; 상기 네킹된 부직 웹을 냉각시키는 것으로 이루어지는 입자 투과에 대한 저항성이 개선된 부직 재료의 제조방법.
- 제1항에 있어서, 상기 용융 취입 열가소성 중합체 섬유가 폴리올레핀, 폴리에스테르 및 폴리아미드로 이루어진 군으로부터 선택된 중합체로 이루어지는 방법.
- 제2항에 있어서, 상기 폴리올레핀이 1종 이상의 폴리에틸렌, 폴리프로필렌, 폴리부텐, 에틸렌 공중합체, 프로필렌 공중합체 및 부텐 공중합체로 이루어진 군으로부터 선택된 것인 방법.
- 제3항에 있어서, 상기 용융 취입 열가소성 중합체 섬유가 용융 취입 폴리올레핀 섬유로 이루어지고, 이러한 섬유의 부직 웹을 중합체의 α전이 온도 이상의 온도에서부터 액상 분율이 5%가 되는 용융 개시 온도보다 약 10%낮은 온도까지의 온도로 가열시키는 방법.
- 제3항에 있어서, 상기 용융 취입 열가소성 중합체 섬유가 용융 취입 폴리프로필렌 섬유로 이루어지고, 이러한 섬유의 부직 웹을 약 105℃ 내지 약 145℃의 온도로 가열시키는 방법.
- 제5항에 있어서, 용융 취입 폴리프로필렌 섬유의 부직 웹을 약 110℃ 내지 약 140℃의 온도로 가열시키는 방법.
- 제5항에 있어서, 용융 취입 폴리프로필렌 섬유의 부직 웹을 약 120℃ 내지 약 125℃의 온도로 가열시키는 방법.
- 제1항에 있어서, 상기 장력이 이 장력을 가하기 전의 부직 웹의 폭보다 약 10%이상 더 작은 네킹된 폭으로 상기 부직 웹을 네킹시키기에 충분한 것인 방법.
- 제8항에 있어서, 상기 장력이 이 장력을 가하기 전의 부직 웹의 폭보다 약 15% 내지 약 50% 더 작은 네킹된 폭으로 상기 부직 웹을 네킹시키기에 충분한 것인 방법.
- 제1항에 있어서, 상기 부직 웹을 적외선 조사, 증기 캔, 마이크로파, 초음파 에너지, 불꽃, 고온 기체 및 고온 액체에 의해 가열시키는 방법.
- 가열된 후 네킹됨으로써 개개의 용융 취입 섬유의 적어도 일부가 바로 인접하는 부분들의 섬유 직경보다 실질적으로 더 작은 섬유 직경을 갖는 부분들을 가져서 입자 투과율이 용융 취입 섬유의 동일한 비처리 부직 웹보다 약 10%이상 감소된, 비엘라스토머성 용융 취입 열가소성 중합체 섬유의 하나 이상의 웹으로 이루어진 부직 재료.
- 제11항에 있어서, 상기 입자 투과율이 평균 직경이 약 0.1 미크론 이상인 입자에 대해서 약 50%미만인 부직 재료.
- 제11항에 있어서, 상기 입자 투과율이 평균 직경이 약 0.1 미크론 이상인 입자에 대해서 약 40%미만인 부직 재료.
- 제11항에 있어서, 상기 입사 투과율이 평균 직경이 약 1.5 미크론 이상인 입자에 대해서 약 5%미만인 부직 재료.
- 제11항에 있어서, 상기 용융 취입 섬유가 용융 취입 마이크로 섬유를 포함하는 부직 재료.
- 제15항에 있어서, 상기 용융 취입 마이크로 섬유의 약 50%이상(영상 분석법 으로 측정)이 5미크론 미만의 평균 직경을 갖는 것인 부직 재료.
- 제11항에 있어서, 상기 비엘라스토머성 용융 취입 열가소성 중합체 섬유가 폴리올레핀, 폴리에스테르 및 폴리아미드로 이루어진 군으로부터 선택된 중합체로 이루어진 것인 부직 재료.
- 제17항에 있어서, 상기 폴리올레핀이 1종 이상의 폴리에틸렌, 폴리프로필렌, 폴리부텐, 에틸렌 공중합체, 프로필렌 공중합체 및 부텐 공중합체로 이루어진 군으로부터 선택된 것인 부직 재료.
- 제11항에 있어서, 상기 비엘라스토머성 용융 취입 열가소성 중합체 섬유의 부직 웹이 방직 섬유, 목재 펄프섬유, 입상물 및 초흡수성 재료로 이루어진 군으로부터 선택된 1종 이상의 보조 재료를 더 포함하는 부직 재료.
- 제11항에 있어서, 상기 부직 웹의 기초 중량이 약 6 내지 약 400g/m2인 부직 재료.
- 제11항에 정의된 부직 재료로 된 1개 이상의 층과 1개 이상의 다른 층으로 이루어진 다층 재료.
- 제21항에 있어서, 상기 다른층이 직포, 편직물, 본디드 카디드 웹, 연속 스펀본디드 필라멘트 웹, 용융 취입 섬유웹 및 이들의 혼합물로 이루어진 군으로부터 선택된 것인 다층 재료.
- 제21항에 있어서, 각 층들 사이의 섬유들의 전체적인 배향 각도가 약 0 내지 약 90o가 되도록 배열된 제11항에 정의된 부직 재료로 된 적어도 하나의 다른 층을 포함하는 다층 재료.
- 개개의 용융 취입 섬유의 적어도 일부가 바로 인접하는 부분들의 섬유 직경보다 실질적으로 더 작은 섬유 직경을 갖는 부분들을 가짐으로써, 용융 취입 섬유가 이와 동일한 섬유 직경 변화를 나타내지 않는 동일한 부직웹에 비해 입자 투과율이 약 10%이상 감소된, 비엘라스토머성 용융 취입 열가소성 중합체 섬유의 하나 이상의 웹으로 이루어진 부직 재료.
- 제24항에 있어서, 상기 입자 투과율이 평균 직경이 약 0.1미크론 이상인 입자에 대해서 약 50%미만인 부직 재료.
- 제24항에 있어서, 상기 입자 투과율이 평균 직경이 약 0.1미크론 이상인 입자에 대해서 약 40%미만인 부직 재료.
- 제24항에 있어서, 상기 입자 투과율이 평균 직경이 약 1.5미크론 이상인 입자에 대해서 약 5%미만인 부직 재료.
- 제24항에 있어서, 상기 용융 취입 섬유가 용융 취입 마이크로 섬유를 포함하는 부직 재료.
- 제28항에 있어서, 상기 용융 취입 마이크로 섬유의 약 50%이상(영상 분석법으로 측정)이 5미크론 미만의 평균 직경을 갖는 것인 부직 재료.
- 제24항에 있어서, 상기 비엘라스토머성 용융 취입 열가소성 중합체가 섬유가 폴리올레핀, 폴리에스테르 및 폴리아미드로 이루어진 군으로부터 선택된 중합체로 이루어진 것인 부직 재료.
- 제30항에 있어서, 상기 폴리올레핀이 1종 이상의 폴리에틸렌, 폴리프로필렌, 폴리부텐, 에틸렌 공중합체, 프로필렌 공중합체 및 부텐 공중합체로 이루어진 군으로부터 선택된 것인 부직 재료.
- 제24항에 있어서, 상기 비엘라스토머성 용융 취입 열가소성 중합체 섬유의 부직 웹이 방직 섬유, 목재 펄프 섬유, 입상물 및 초흡수성 재료로 이루어진 군으로부터 선택된 1종 이상의 보조 재료를 더 포함하는 부직 재료.
- 제24항에 있어서, 상기 부직 웹의 기초 중량이 약 6 내지 400g/m2인 부직 재료.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
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US07/999,244 US5320891A (en) | 1992-12-31 | 1992-12-31 | Particle barrier nonwoven material |
US7/999,244 | 1992-12-31 |
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KR940015010A true KR940015010A (ko) | 1994-07-19 |
KR100236752B1 KR100236752B1 (ko) | 2000-03-02 |
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KR1019930031232A KR100236752B1 (ko) | 1992-12-31 | 1993-12-30 | 개선된 입자 차단 부직 재료 |
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US (1) | US5320891A (ko) |
EP (1) | EP0604737B1 (ko) |
JP (1) | JP3876004B2 (ko) |
KR (1) | KR100236752B1 (ko) |
CN (2) | CN1041700C (ko) |
AU (1) | AU667581B2 (ko) |
BR (1) | BR9305258A (ko) |
CA (1) | CA2096985A1 (ko) |
DE (1) | DE69319214T2 (ko) |
ES (1) | ES2119847T3 (ko) |
MX (1) | MX9307220A (ko) |
TW (1) | TW251322B (ko) |
ZA (1) | ZA938313B (ko) |
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-
1992
- 1992-12-31 US US07/999,244 patent/US5320891A/en not_active Expired - Lifetime
-
1993
- 1993-05-26 CA CA 2096985 patent/CA2096985A1/en not_active Abandoned
- 1993-11-05 EP EP19930118005 patent/EP0604737B1/en not_active Expired - Lifetime
- 1993-11-05 ES ES93118005T patent/ES2119847T3/es not_active Expired - Lifetime
- 1993-11-05 DE DE69319214T patent/DE69319214T2/de not_active Expired - Fee Related
- 1993-11-08 TW TW82109316A patent/TW251322B/zh active
- 1993-11-08 AU AU50521/93A patent/AU667581B2/en not_active Ceased
- 1993-11-08 ZA ZA938313A patent/ZA938313B/xx unknown
- 1993-11-18 MX MX9307220A patent/MX9307220A/es not_active IP Right Cessation
- 1993-12-28 JP JP34895993A patent/JP3876004B2/ja not_active Expired - Fee Related
- 1993-12-28 BR BR9305258A patent/BR9305258A/pt not_active Application Discontinuation
- 1993-12-30 KR KR1019930031232A patent/KR100236752B1/ko not_active IP Right Cessation
- 1993-12-30 CN CN93121473A patent/CN1041700C/zh not_active Expired - Fee Related
-
1998
- 1998-04-24 CN CN98107452A patent/CN1069576C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06220764A (ja) | 1994-08-09 |
MX9307220A (es) | 1994-06-30 |
EP0604737B1 (en) | 1998-06-17 |
CN1069576C (zh) | 2001-08-15 |
AU667581B2 (en) | 1996-03-28 |
DE69319214T2 (de) | 1998-10-22 |
CN1089546A (zh) | 1994-07-20 |
JP3876004B2 (ja) | 2007-01-31 |
EP0604737A1 (en) | 1994-07-06 |
KR100236752B1 (ko) | 2000-03-02 |
TW251322B (ko) | 1995-07-11 |
AU5052193A (en) | 1994-07-14 |
DE69319214D1 (de) | 1998-07-23 |
ZA938313B (en) | 1994-06-17 |
CN1215660A (zh) | 1999-05-05 |
US5320891A (en) | 1994-06-14 |
CN1041700C (zh) | 1999-01-20 |
CA2096985A1 (en) | 1994-07-01 |
ES2119847T3 (es) | 1998-10-16 |
BR9305258A (pt) | 1994-07-05 |
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