KR950701578A - 탄성 필름 적층물(elastic film laminate) - Google Patents

탄성 필름 적층물(elastic film laminate)

Info

Publication number
KR950701578A
KR950701578A KR1019940704286A KR19940704286A KR950701578A KR 950701578 A KR950701578 A KR 950701578A KR 1019940704286 A KR1019940704286 A KR 1019940704286A KR 19940704286 A KR19940704286 A KR 19940704286A KR 950701578 A KR950701578 A KR 950701578A
Authority
KR
South Korea
Prior art keywords
elastic
layer
thickness
film
elastomeric
Prior art date
Application number
KR1019940704286A
Other languages
English (en)
Other versions
KR100235519B1 (ko
Inventor
에이. 스웬슨 더글라스
제이. 폭스 하버트
엘. 크루거 데니스
엘. 록리지 로첼
이. 헬머 패멜러
Original Assignee
캐롤라인 에이. 베이츠
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 캐롤라인 에이. 베이츠, 미네소타 마이닝 앤드 매뉴팩츄어링 컴패니 filed Critical 캐롤라인 에이. 베이츠
Publication of KR950701578A publication Critical patent/KR950701578A/ko
Application granted granted Critical
Publication of KR100235519B1 publication Critical patent/KR100235519B1/ko

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Classifications

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    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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Abstract

본 발명의 탄성중합체성 층 및 상대적으로 비탄성층(들)의 다수-층 필름으로부터 형성된 비-탄성 부위 및 난성 부위를 보유하는 탄성필름에 관한 것이다.

Description

탄성 필름 적층물(ELASTIC FILM LAMINATE)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 적층물을 공압출하는데 사용된 공정 및 장치의 도식적 표현이다.
제2도는 본 발명의 필름을 단축으로 연신함으로써 야기된 미세구조를 가진 적층물 단편의 단면이다.
제3도느 본 발명의 미세직조된 표피 양태의 투시도이다.
제4도는 본 발명의 박리된 표피 양태의 투시도이다
제5도느 본 발명의 적층물로 형성된 지저귀 테이프 탭이다.

Claims (45)

  1. 적어도 제1두께의 연속적인 탄성중합체성 코어층 및 제2두게가 제1두께 미만인 배향된 플라스틱의 1개이상의 연소적이 비탄성 표피 외층을 포함하는 탄성 필름 적층물에 있어서, 상기 필름 적층물이 1개 이상의 탄성 부위 및 1개이상의 비-탄성 부위로 나누어지고, 상기 비-탄성 부위내의 탄성중합체성 코어층은 탄성중합체가 이완된 상태로 있을 경우의 두께가 상기한 제1두께 미만이고, 1개 이상이 외부 표피층과 접촉하는 실질적으로 연속적인 평면으로 존재하며, 상기 1개 이상의 탄성 부위내의 탄성중합체성 코어층은 그 두께가 상기한 제1두께이며 이완된 상태의 탄성 부위내의 탄성중합체성 층의 평면 표면적보다 큰 외부 표면적을 갖는 상장 표피층을 가짐을 특징을 하는 탄성 필름 적층물.
  2. 제1항에 있어서, 1개 이상의 탄성 부위내의 상장 표피층이 탄성층과 적어도 간혈적으로 접촉함을 추가의 특징으로 하는 탄성 필름
  3. 제2항에 있어서, 1개 이상의 탄성 부위내의 표피층 및 탄성층이 실질적으로 연속 접촉함을 추가의 특징으로 하는 탄성 필름
  4. 제1항에 있어서, 제1두께 대 제2두께의 비가 3이상임을 추가의 특징으로 하는 탄성 필름.
  5. 제1항에 있어서, 제1두께 대 제2두께의 비가 5이상임을 추가의 특징으로 하는 탄성 필름.
  6. 제5항에 있어서, 모든 층에 대해 제1 및 제2두께의 총 두께가 1mil이상임을 추가의 특징으로 하는 탄성 필름
  7. 제5항에 있어서, 모든 층에 대해 제1 및 제2두께의 총 두께가 2mil이상임을 추가의 특징으로 하는 탄성 필름
  8. 제5항에 있어서, 모든 층에 대해 제1 및 제2두께의 총 두께가 10mil이상임을 추가의 특징으로 하는 탄성 필름
  9. 제1항에 있어서, 1개 이상의 탄성 부위내의 표피층 및 코어층이 분리됨을 추가의 특징으로 하는 탄성 필름.
  10. 제9항에 있어서, 1개 이상의 표피층이 폴리올레핀을 추가의 특징으로 하는 탄성 필름
  11. 제10항에 있어서, 1개 이상의 탄성중합체성 층이 공역된 디엔의 탄성중합체성 블록을 가진 불록 공중합체 탄성중합체 임을 추가의 특징으로 하는 탄성 필름
  12. 제10항에 있어서, 1개 이상의 탄성중합체성 층이 폴리우레탄 임을 추가의 특징으로 하는 탄성 필름
  13. 제11항에 있어서, 공역된 디엔이 이소프렌임을 추가의 특징으로 하는 탄성 필름
  14. 제13항에 있어서, 탄성중합체성 층이 0 내지 20%의 폴리스티렌 중합체를 추가로 포함함을 추가의 특징으로 하는 탄성 필름.
  15. 제11항에 있어서, 탄성중합체성 층 공역된 디엔이 에틸렌-부틸렌을 포함하며, 탄성중합체성 층은 5 내지 20%의 폴리스티렌 중합체 또는 2 내지 10%의 기름을 추가로 포함함을 추가의 특징으로 하는 탄성 필름
  16. 제11항에 있어서, 표치층이 2 내지 20%의 에틸렌 비닐 아세테이트 또는 0 내지 20%의 폴리알파메틸스티렌과 혼합된 폴리에틸랜 또는 폴리프로필렌을 포함함을 추가의 특징으로 하는 탄성 필름
  17. 제9항에 있어서, 비탄성 부위가 실질적으로 평탄하고 표피층이 탄성부위내에서 제1방향으로 탄성인 필름 적층물을 사용하여 제1방향으로 배향됨을 추가의 특징으로 하는 탄성 필름
  18. 제1항에 있어서, 비탄성 부위가 실질적으로 평탄하고 표피층이 탄성부위내에서 제1방향으로 탄성인 필름 적층물을 사용하여 제1방향으로 배향됨을 추가의 특징으로 하는 탄성 필름
  19. 제1항에 있어서, 감압성 접착제 층을 추가의 추가의 특징으로 하는 탄성 필름
  20. 제1항에 있어서, 탄성 부위내의 상기한 표피층상의 저접착 후호제 층을 추가의 특징으로 하는 탄성 필름
  21. 제1항에 있어서, 탄성 부위내의 상기한 표피층상의 기름을 포함하는 저 접착 후호제층을 추가의 특징으로 하는 탄성 필름
  22. 제19항에 있어서, 감압성 접착제가 비-탄성 부위내에 존재함을 추가의 특징으로 하는 탄성 필름
  23. 제22항에 있어서, 탄성 부위내의 상기한 표피층상의 저접착 후호제 층을 추가의 특징으로 하는 탄성 필름
  24. 연속적인 탄성중합체성 코어층, 및 단일축으로 배향된 플라스틱의 연속적인 비탄성 표피층1개 이상을 포함하는 비둥방성 필름 적층물에 있어서, 상기 필름 적층물이 상기한 1개 이상의 표피 층의 배향 방향으로 실질적으로 비탄성이며, 상기 표피층은 상기한 배향 방향의 횡방향으로 배향되지 않아서, 상기 적층물이 상기 한 횡방향을 확장가능하게 됨을 특징으로 하는 비둥방성 필름 적층물
  25. 제24항에 있어서, 적층물이 상기한 횡방향으로 탄성임을 추가의 특징으로 하는 비둥방성 필름 적층물
  26. 제24항에 있어서, 테이프가 감압성 접착제 층을 추가로 포함함을 추가의 특징으로 하는 비둥방성 필름 적층물
  27. 흡수성 코어, 액체-투과성 내층 및 액체-블투과성 외층을 갖는 흡수성 코어 구조물; 및 적어도 제1두께의 연속저긴 탄성중합체성 코어층 및 제2두께가 제1두께 미만인 배향된 플라스틱의 연속적인 1개 이상의 연속적이 비탄성 표피외층을 포함하는 탄성 필름 적층물에 의해 형성된 탄성 측부 패널을 포함하는 일회용 의복에 있어서, 상기 필름 적층물이 1개 이상의 탄성 부위 및 1개 이상의 비-탄성 부위로 나누어지고, 상기 비-탄성 부위내의 탄성중합체성 코어층은 상기 탄성중합체가 이완된 상태로 있을 경우의 두께가 상기한 제1두께 미만이고 1개 이상의 외부 표피층과 접촉하는 실질적으로 연속적인 평면으로 존재하며, 상기 1개 이상의 탄성 부위내의 탄성중합체성 코어층은 그 두께가 상기한 제1두께이며 이완된 상태의 탄성 부위내의 탄성중합체성 층의 표면적보다 큰 외부표면적을 갖는 상장 표피층을 가짐을 특징으로 하는 일회용 의복.
  28. 제27항에 있어서, 탄성 필름 적층물이 중심 비탄성 부분(22)및 인접한 탄성부분(21및23)을 포함하며, 여기서 중심 비탄성 부분은 흡수성 코어 구조에 연결되어 있고, 인접한 탄성부분(21 및23)이 탄성 측부 패널을 형성하는 일회용 흡수성 의복
  29. 제28항에 있어서, 중심 비탄성 부분(22)이 흡수성 코어 구조의 액체-불투과성 외층을 형성하는 일회용흡수성 의복
  30. 제29항에 있어서, 탄성 부분이 그의 외부 측부 가장자리에서 봉인가능한 스트립으로서 비탄성 부위(51 및 52)를 추가로 포함하는 일회용 흡수성 의복
  31. 제29항 또는 제3항에 있어서, 탄성 부분이 각각의 탄성 부분(21및23)상에서 부분(41및42)을 도려냄으로서 다리 통로를 고려하는 일회용 흡수성 의복
  32. 제29항 내지 제31항중 어느 한 항에 있어서, 각각의 탄성 부분의 마주보는 외부 측부 가장자리(61또는 62)가 2개의 마주보는 탄성 측부 패널을 제공하는 측부 솔기(63)를 형성하는 일회용 흡수성 의복
  33. 제28항에 있어서, 탄성 필름 적층물이 제1말단(75또는 74)에서 흡수성 코어 구조에 비-탄성 부분(22)및 탄성 부준(21및 23)의 외부 측부 가장자리(71 또는 72)에서 코어 구조이 제2마주보는 말단(75또는 74)에 부착된 스트립인 일회용 흡수성 의복
  34. 제33항에 있어서, 비탄성 부분(22)이 제1말단에서 흡수성 코어 구조의 액체-불투과성 외층에 영구히 부착되고 탄성 부분(21및23)의 외측 측부 가장자리(71및72)에서 흡수성 코어 구조의 마주보는 말단에 해제가능하게 부착되는 일회용 흡수성 의복
  35. 제34항에 있어서, 탄성부분(21및23)의 외측 측부 가장자리가 비-탄성 부착 부위(82및83)를 보유하고, 각각은 제1부착 수단(85및84)을 보유하여, 흡수성 패드 구조의 제1말단에서 제2상보적인 부착 수단(81)에 해제가능하게 부착되는 일회용 흡수성 의복
  36. 제35항에 있어서, 제1부착 수단이 감압성 접착제 부착 수단을 포함하는 일회용 흡수성 의복
  37. 제35항에 있어서, 제1부착 수단이 기계적 부착 수단을 포함하고 상보적인 부착 수단(81)은 상보적인 기계적 부착 수단을 포함하는 일회용 흡수성 의복
  38. 제35항에 있어서, 제1부착 수단이 응집성 접착제 부착 수단을 포함하고 상보적인 부착 수단(81)은 사보적인 응집성 접착제를 포함하는 일회용 흡수성 의복
  39. 제34항에 있어서, 탄성 부분(21및23)의 외측 측부 가장자리가 제1말단(93)에서 부착부위(92)에 영구히 부착된 고정탭(91)을 보유하고, 마주보는 탄성 부위(21또는 23)에 해제가능하게 부착된 제2말단(94)에서 해제가능한 부착 수단을 보유한 부착 부위(92)를 보유하는 일회용 흡수성 의복
  40. 제39항에 있어서, 해제가능한 부착 수단이 수 기계적 고정 요소를 포함하며, 탄성 밴드(90)는 수 기계적 고정 요소와 맞물릴 수 있는 외면에 부착된 부직 재료를 보유하는 일회용 흡수성 의복
  41. 제28항 내지 제40항중 어느 한 항에 있어서, 적층물의 탄성 부분이 1개 이상의 탄성 부위내에서 표피층및 코어층이 분리됨을 추가의 특징으로 하는 일회용 흡수성 의복
  42. 제28항 내지 제40항중 어느 한 항에 있어서, 비탄성 부위는 실질적으로 평탄하고 표피층은 탄성 부위내에서 제1방향으로 탄성인 필름 적층물을 사용하여 상기 제1방향으로 배향됨을 추가의 특징으로 하는 일회용 흡수성 의복
  43. 적어도 제1두께의 연속적인 탄성중합체성 코어층 및 제2두께가 제1두께 미만인 배향된 플라스틱의 1개이상의 연소적인 비탄성 표피 외층을 포함하는 탄성 필름 적층물에 있어서, 상기 필름 적층물이 1개 이상의 탄성 부위 및 1개이상의 비-탄성 부위로 나누어지고, 상기 비-탄성 부위내의 탄성중합체성 코어층은 상기 탄성중합체가 이완된 상태로 있을 경우의 두께가 상기한 제1두께 미만이고, 1개 이상이 외부 표피층과 접촉하는 실질적으로 연속적인 평면으로 존재하며, 상기 1개 이상의 탄성 부위내의 탄성중합체성 코어층은 그 두께가 상기한 제1두께이며 이완된 상태의 탄성 부위내의 탄성중합체성 층의 평면 표면적보다 큰 외부 표면적을 갖는 상장 표피층을 포함하는 탄성 필름 적층물의 제조방법에 있어서,1개 이상의 표피층 및 1개 이상의 탄성중합체성 코어층의 다수-층 적층물을 제공하고, 상기 다수-층 적층물을 1개 이상의 표피층의 탄성 한계범위를 넘어연신시켜 이를 변형시키고, 상기 연신된 다수-층 적층물을 미리-선택된 부위내에서 가열하여 이들 부위내의 탄성을 무작위화시키고, 상기 연신된 다수-층 적층물을 비-열 처리된 부위내에서 회수하여 탄성 필름 적층물 의 탄성 부위를 형성시킴을 특징으로 하는 방법.
  44. 제43항에 있어서, 회복전에 연신된 적층물을 냉각하여 열-수축성 적층물을 형성함을 추가의 특징으로 하는 방법
  45. 제43항에 있어서, 주기적인 연신 및 가열에 의해 탄성 적층물의 회복된 비-열처리된 탄성 부위내에서표피 및 코어층을 선택적으로 박리시킴을 추가의 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940704286A 1992-06-19 1993-06-14 탄성 필름 적층물 KR100235519B1 (ko)

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US07/901,420 US5376430A (en) 1992-06-19 1992-06-19 Elastic film laminate
US07/901420 1992-06-19
US7/901420 1992-06-19
PCT/US1993/005649 WO1994000292A1 (en) 1992-06-19 1993-06-14 Elastic film laminate

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CA2129981A1 (en) 1994-01-06
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AU676124B2 (en) 1997-02-27
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