KR950032793A - 차단 특성을 갖는 폴리에틸렌 멜트블로운 직물 - Google Patents

차단 특성을 갖는 폴리에틸렌 멜트블로운 직물 Download PDF

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KR950032793A
KR950032793A KR1019950005737A KR19950005737A KR950032793A KR 950032793 A KR950032793 A KR 950032793A KR 1019950005737 A KR1019950005737 A KR 1019950005737A KR 19950005737 A KR19950005737 A KR 19950005737A KR 950032793 A KR950032793 A KR 950032793A
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polyethylene
fiber
laminate
fibers
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KR100357671B1 (ko
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진 맥도월 데브라
호웰 소이어 로렌스
크레이지 스트랙 데이비드
크래머 티몬스 테리
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토마스 코니스
킴벌리-클라크 코포레이션
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    • 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
    • D04H1/724—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 forming webs during fibre formation, e.g. flash-spinning
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
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    • 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
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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    • 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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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
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    • D04H3/14—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 thermoplastic yarns or filaments produced by welding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
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    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
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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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
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Abstract

본 발명은 유연하고, 양호한 차단 특성 및 통기성을 갖는 부직포를 제공한다. 본 발명에서는 폴리프로필렌에 필적하는 차단특성을 제공하기 위해서 멜트 블로운층에 선형 저밀도 폴리에틸렌을 사용한다. 멜트블로운층은 다층 라미네이트에 사용될 수 있고, 다른 층들은 이성분계 섬유로 이루어질 수 있다. 본 발명의 직물은 예를 들면 기저귀, 여성용 위생용품, 성인 실금 용품, 부상 드레싱재, 붕대, 멸균 랩, 수술용 가운 및 드레이프 및 와이퍼에 사용될 수 있다.

Description

차단 특성을 갖는 폴리에틸렌 멜트블로운 직물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 부직 웹 형성 장치의 개요도, 제2도는 제1도의 다이를 90°회전시켜서 본 저면도, 제3도는 제2도의 선 3--3을 따라서 절취한 제1도의 다이의 단면도.

Claims (18)

  1. 약 0.86내지 약 0.97g/cc의 밀도를 갖는 1종 이상의 열가소성 폴리에틸렌 중합체를 용융시키는 단계. 이 중합체를 미세 개구를 통해 압출시키는 단계, 이 중합체를 연신시켜서 섬유를 형성하는 단계 및 상기 섬유와 된 중합체를 접속 표면위에 퇴적시켜서 웹으로서 멜트블로운 디스버스트(disbursed) 섬유층을 형성하는 단계를 포함하며, 상기 웹은 히드로헤드가 40㎝ 이상이고 컴 분쇄 피이크 하중치가 40g 미만인 것인 유연한 차단 부직포의 제조방법.
  2. 제1항의 방법에 의해 제조되고, 상기 웹의 프라지에 다공도가 300 ft³/ft²/분 미만인 부직포.
  3. 상기 멜트블로운 섬유층에 제2의 재료층을 추가하는 단계 및 층들을 함께 결합시키는 단계를 더 포함하는 제1항의 방법에 의해 제조된 부직포.
  4. 제3항에 있어서, 상기 제2층은 스퍼본드 섬유웹 및 스테이플 섬유웹으로 이루어진 군으로부터 선택되는 것인 부직포.
  5. 제4항에 있어서, 상기 제2층은 폴리에틸렌 섬유, 폴리프로필렌 섬유 및 폴리에틸렌/폴리프로필렌 이성분계 섬유로 이루어진 군으로부터 선택된 섬유를 포함하는 것인 부직포.
  6. 제1층, 제1항의 방법에 의해 제조된 제2층 및 제3층을 포함하고, 이 층들이 결합하여 라미네이트를 형성하는 부직포 라미네이트.
  7. 제6항에 있어서, 상기 제1층 및 제3층은 스펀본드 섬유웹 및 스테이플 섬유웹으로 이루어딘 군으로부터 선택되는 것인 부직포 라미네이트.
  8. 제6항에 있어서, 상기 제1층 및 제3층은 폴리에틸렌 섬유, 폴리프로필렌 섬유 및 폴리에틸렌/폴리프로필렌 이성분계 섬유로 이루어진 군으로부터 선택된 섬유를 포함하는 것인 부직포 라미네이트.
  9. 제6항에 있어서, 상기 직물들이 열 캘린더 결합에 의해 결합된 것인 부직포 라미네이트.
  10. 제6항에 있어서, 상기 직물들이 초음파 결합에 의해 결합된 것인 부직포 라미네이트.
  11. 제6항에 있어서, 가먼트, 의료용품, 개인 위생용품 및 야외용품으로 이루어진 군으로부터 선택되는 제품에 사용되는 것인 부직포 라미네이트.
  12. 제6항에 있어서, 필름, 유리섬유, 스테이플 섬유 및 종이로 이루어진 군으로부터 선택되는 재료에 라미네이트된 것인 부직포 라미네이트.
  13. 제6항에 있어서, 상기 제1층과 제3층 중의 하나는 예배 결합된 것인 부직포 라미네이트.
  14. 제6항에 있어서, 상기 제1층 및 제3층의 섬유는 폴리에틸렌이 시이드(sheath)인 사이드/코어 배열의 폴리에틸렌 및 폴리프로필렌 이성분계 섬유인 것인 부직포 라미네이트.
  15. 제1층으로서 폴리에틸렌이 시이드인 폴리에틸렌/폴리프로필렌 이성분계 시이드/코어 스펀본드 섬유웹을 제공하는 단계, 약0.86내지 약0.97g/cc의 밀도를 갖는 1종 이상의 열가소성 폴리에틸렌 중합체를 용융시키는 단계, 이 중합체를 미세개구를 통해 압출시키는 단계, 이 중합체를 연신시켜서 섬유를 형성하는 단계 및 포함하는 중합체를 상기 웹 위에 퇴적시켜서 제2층으로서 멜트블로운 디스버스트 섬유층을 형성하는 단계를 포함하는 유연한 차단 부직포의 제조방법.
  16. 제15항에 있어서, 상기 제1층 및 제2층에 제3층으로서 폴리에틸렌이 시이드인 폴리에틸렌/폴리프로필렌 이성분계 시이드/코어 스펀본드 섬유웹을 제2층 쪽에 추가하는 단계를 더 포함하며, 상기 직물은 히드로헤드가 50㎝ 이상이고 컴 분쇄 피이크 하중치가 125g미만인 것인 유연한 차단 부직포의 제조방법.
  17. 제16항에 있어서, 가먼트, 의료용품, 개인 위생용품 및 야외용품으로 이루어진 군으로부터 선택되는 제품에 사용되는 것인 라미네이트.
  18. 제16항에 있어서, 상기 제품은 의료용품이고, 의료용품은 수술용 가운인 것인 라미네이트.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950005737A 1994-03-21 1995-03-20 차단특성을 갖는 폴리에틸렌 멜트블로 운부직포 KR100357671B1 (ko)

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US08/215,220 US5498463A (en) 1994-03-21 1994-03-21 Polyethylene meltblown fabric with barrier properties
US8/215,220 1994-03-21
US08/215,220 1994-03-21

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