KR20010023958A - 통기성 탄성 필름 및 라미네이트 - Google Patents
통기성 탄성 필름 및 라미네이트 Download PDFInfo
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- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
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- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
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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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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3325—Including a foamed layer or component
- Y10T442/3366—Woven fabric is coated, impregnated, or autogenously bonded
- Y10T442/3374—Coating or impregnation includes 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3854—Woven fabric with a preformed polymeric film or sheet
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Abstract
Description
Claims (62)
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 상기 방향 중 1 방향 이상으로 연신시킨 후에 탄성 필름에 결합시킨 부직 웹을 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 제1항에 있어서, 상기 두 연신 방향이 서로 수직인 라미네이트.
- 제1항에 있어서, 상기 탄성 필름이 상기 부직 웹에 결합된 후에 상기 두번째 방향으로 연신된 것인 라미네이트.
- 제1항에 있어서, 상기 탄성 필름이 상기 부직 웹에 결합되기 전에 상기 두번째 방향으로 연신된 것인 라미네이트.
- 제1항에 있어서, 상기 두 방향 중 1방향 이상으로 연신되는 동안 상기 부직 웹이 상기 탄성 필름에 결합되는 라미네이트.
- 제1항에 있어서, 상기 탄성 필름이 어닐링(annealing)되고, 어닐링은 필름이 연신되는 동안 수행되는 라미네이트.
- 제1항에 있어서, 상기 탄성 필름이 메탈로센 에틸렌 기재의 중합체로 이루어진 것인 라미네이트.
- 제7항에 있어서, 상기 중합체가 에틸렌 및 부틸렌의 공중합체, 에틸렌 및 헥센의 공중합체, 에틸렌 및 옥텐의 공중합체, 및 이들의 조합물로 구성되는 군으로부터 선택된 것인 라미네이트.
- 제1항에 있어서, 상기 충전제가 상기 탄성 필름의 약 10 부피% 내지 약 50 부피%를 차지하는 라미네이트.
- 제7항에 있어서, 상기 메탈로센 에틸렌 기재 중합체의 밀도가 약 0.850 내지 약 0.917 g/cc인 것인 라미네이트.
- 제1항에 있어서, 상기 탄성 필름의 활성 영구 변형률이 약 50%보다 큰 것인 라미네이트.
- 제11항에 있어서, 상기 필름의 활성 영구 변형률이 약 100% 내지 약 400%인 것인 라미네이트.
- 제1항에 있어서, 상기 부직 웹이 스펀본드 웹으로 이루어진 것인 라미네이트.
- 제13항에 있어서, 상기 스펀본드 웹이 폴리프로필렌으로 이루어진 것인 라미네이트.
- 제1항에 있어서, WVTR이 약 1000 내지 약 5000 g/㎡/24시간인 라미네이트.
- 제1항에 있어서, 추가로 제2 부직 웹을 포함하는 라미네이트.
- 제1항에 있어서, 상기 충전제가 탄산 칼슘인 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 상기 방향 중 1 방향 이상으로 연신시킨 후에 탄성 필름에 결합시킨 부직 웹을 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 기저귀 겉커버.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 상기 방향 중 1 방향 이상으로 연신시킨 후에 탄성 필름에 결합시킨 부직 웹을 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 외과 수술용 가운.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름을 포함하며, 최종 연신 방향으로 최종 연신 후 영구 변형률이 약 30% 미만인 통기성 탄성 필름.
- 제20항에 있어서, 상기 충전제가 탄산 칼슘인 필름.
- 제21항에 있어서, 상기 탄산 칼슘이 상기 탄성 필름의 약 10 부피% 내지 약 50 부피%를 차지하는 필름.
- 제20항에 있어서, 기공 활성 영구 변형률이 약 50%보다 큰 것인 필름.
- 제20항에 있어서, 상기 충전제가 상기 탄성 필름의 약 10 부피% 내지 약 50 부피%를 차지하는 필름.
- (삭제)
- 제20항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 종방향으로 연신된 다음, 횡방향으로 연신된 것인 필름.
- 제20항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 횡방향으로 연신된 다음, 종방향으로 연신된 것인 필름.
- 제20항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 메탈로센 에틸렌 기재의 중합체로 이루어진 것인 필름.
- 제28항에 있어서, 상기 메탈로센 에틸렌 기재 중합체의 밀도가 약 0.850 내지 약 0.917 g/cc인 것인 필름.
- 제20항에 있어서, 상기 충전제의 평균 입도가 약 0.5 내지 약 8 마이크론인 것인 필름.
- 제20항에 있어서, 부직 웹이 필름에 결합되어, 필름/부직 라미네이트를 형성하는 것인 필름.
- 기공 형성에 적합한 입도의 충전제로 충전된 실질적으로 수증기 불투과성인 탄성 필름을 2 방향 이상으로 연신하여 다수개의 미공을 형성하는 단계, 및상기 연신된 탄성 필름에 부직 웹을 결합시켜 라미네이트를 형성하는 단계를 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트의 제조방법.
- 제32항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 종방향으로 연신된 다음, 횡방향으로 연신된 것인 제조방법.
- 제32항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 횡방향으로 연신된 다음, 종방향으로 연신된 것인 제조방법.
- 제32항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 메탈로센 에틸렌 기재의 중합체를 포함하는 것인 제조방법.
- 제35항에 있어서, 상기 메탈로센 에틸렌 기재 중합체의 밀도가 약 0.850 내지 약 0.917 g/cc인 것인 제조방법.
- 제32항에 있어서, 상기 충전제가 상기 탄성 필름의 약 10 부피% 내지 약 50 부피%를 차지하는 것인 제조방법.
- 기공 형성에 적합한 입도의 충전제로 충전된 실질적으로 수증기 불투과성인 탄성 필름을 2 방향 이상으로 연신하여 다수개의 미공을 형성하는 단계를 포함하며, 최종 연신 방향으로 최종 연신 후 영구 변형률이 약 30% 미만인 통기성 탄성 라미네이트의 제조방법.
- 제38항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 종방향으로 연신된 다음, 횡방향으로 연신된 것인 제조방법.
- 제38항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 횡방향으로 연신된 다음, 종방향으로 연신된 것인 제조방법.
- 제38항에 있어서, 상기 실질적으로 수증기 불투과성인 탄성 필름이 메탈로센 에틸렌 기재의 중합체를 포함하는 것인 제조방법.
- 제41항에 있어서, 상기 메탈로센 에틸렌 기재 중합체의 밀도가 약 0.850 내지 약 0.917 g/cc인 것인 제조방법.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성 탄성 필름, 및상기 탄성 필름을 상기 방향 중 1 방향 이상으로 연신시킨 후에, 탄성 필름에 결합시킨 넥킹가능한 부직 웹을 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 제43항에 있어서, 상기 넥킹가능한 부직 웹이 상기 탄성 필름에 결합되기 전에 넥킹된 것인 라미네이트.
- 제44항에 있어서, 상기 탄성 필름이 넥킹 방향에 대해 수직 방향으로 연신되는 동안, 상기 넥킹된 부직 웹이 상기 탄성 필름에 결합된 것인 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 상기 방향 중 1 방향 이상으로 연신한 후에, 탄성 필름에 결합시킨 넥킹된 부직 웹을 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 제46항에 있어서, 상기 탄성 필름이 넥킹 방향에 대해 수직 방향으로 연신되는 동안, 상기 넥킹된 부직 웹이 상기 탄성 필름에 결합된 것인 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 2 방향 이상으로 연신시킨 후에, 탄성 필름에 결합시킨 넥킹된 스펀본드를 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시켜 다수개의 미공을 형성한 실질적으로 수증기 불투과성인 탄성 필름, 및탄성 필름에 결합시킨 넥킹된 스펀본드 웹을 포함하며, 상기 탄성 필름을 종방향으로 연신시키고, 종방향으로 연신시킨 후에 상기 넥킹된 스펀본드 웹을 상기 필름에 결합시켜 상기 라미네이트를 형성하고 상기 라미네이트를 횡방향으로 연신시킨, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 다수개의 미공을 형성하기 위해 종방향 및 횡방향으로 연신시킨 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 종방향으로 연신하는 동안 탄성 필름에 결합시킨 스펀본드를 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 다수개의 미공을 형성하기 위해 종방향 및 횡방향으로 연신시킨 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 종방향 및 횡방향으로 연신하는 동안 탄성 필름에 결합시킨 스펀본드를 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 다수개의 미공을 형성하기 위해 종방향 및 횡방향으로 연신시킨 실질적으로 수증기 불투과성인 탄성 필름, 및상기 탄성 필름을 종방향으로 연신하는 동안 탄성 필름에 결합시킨 넥킹된 스펀본드를 포함하며, 바이어스력을 가하지 않은 완화 길이의 150% 이상의 바이어스 신장 길이로까지 신장가능한 연질의 통기성 탄성 라미네이트.
- 기공 형성에 적합한 입도의 충전제로 충전하여, 2 방향 이상으로 연신시킨 다수개의 미공을 형성한 탄성 필름을 포함하며, 최종 연신 방향으로 최종 연신 후 영구 변형률이 약 30% 미만인 통기성 탄성 필름.
- 제53항에 있어서, 상기 탄성 필름이 실질적으로 수증기 불투과성인 통기성 탄성 필름.
- 제53항에 있어서, 상기 탄성 필름이 수증기 투과성인 통기성 탄성 필름.
- 제53항에 있어서, 상기 충전제가 탄산 칼슘인 필름.
- 제56항에 있어서, 상기 탄산 칼슘이 상기 탄성 필름의 약 10 부피% 내지 50 부피%를 차지하는 필름.
- 제53항에 있어서, 상기 충전제가 상기 탄성 필름의 약 10 부피% 내지 50 부피%를 차지하는 필름.
- 제53항에 있어서, 상기 탄성 필름이 종방향으로 연신된 다음, 횡방향으로 연신된 것인 필름.
- 제53항에 있어서, 상기 탄성 필름이 횡방향으로 연신된 다음, 종방향으로 연신된 것인 필름.
- 제53항에 있어서, 부직 웹이 필름에 결합되어 필름/부직 라미네이트를 형성하는 것인 필름.
- 제53항에 있어서, 상기 필름의 WVTR이 충전제로 충전된 탄성 필름과 동일하게 연신된 후 충전제로 충전되지 않은 탄성 필름의 WVTR보다 약 300 g/㎡/24시간 이상 더 큰 것인 필름.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/929,758 US5932497A (en) | 1997-09-15 | 1997-09-15 | Breathable elastic film and laminate |
US08/929,758 | 1997-09-15 | ||
PCT/US1998/018922 WO1999014044A1 (en) | 1997-09-15 | 1998-09-10 | Breathable elastic film and laminate |
Publications (2)
Publication Number | Publication Date |
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KR20010023958A true KR20010023958A (ko) | 2001-03-26 |
KR100563878B1 KR100563878B1 (ko) | 2006-03-28 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020007002668A KR100563878B1 (ko) | 1997-09-15 | 1998-09-10 | 통기성 탄성 필름 및 라미네이트 |
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US (1) | US5932497A (ko) |
EP (1) | EP1011966B1 (ko) |
KR (1) | KR100563878B1 (ko) |
CN (1) | CN1273550A (ko) |
AU (1) | AU734544B2 (ko) |
BR (1) | BR9812214A (ko) |
CA (1) | CA2302530C (ko) |
DE (1) | DE69834819T2 (ko) |
WO (1) | WO1999014044A1 (ko) |
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- 1998-09-10 DE DE69834819T patent/DE69834819T2/de not_active Expired - Lifetime
- 1998-09-10 AU AU93140/98A patent/AU734544B2/en not_active Expired
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AU734544B2 (en) | 2001-06-14 |
BR9812214A (pt) | 2000-07-18 |
DE69834819T2 (de) | 2006-12-21 |
CN1273550A (zh) | 2000-11-15 |
CA2302530A1 (en) | 1999-03-25 |
EP1011966B1 (en) | 2006-06-07 |
KR100563878B1 (ko) | 2006-03-28 |
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