KR20190104338A - 수압 처리된 부직포 및 그의 제조 방법 - Google Patents
수압 처리된 부직포 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR20190104338A KR20190104338A KR1020197020091A KR20197020091A KR20190104338A KR 20190104338 A KR20190104338 A KR 20190104338A KR 1020197020091 A KR1020197020091 A KR 1020197020091A KR 20197020091 A KR20197020091 A KR 20197020091A KR 20190104338 A KR20190104338 A KR 20190104338A
- Authority
- KR
- South Korea
- Prior art keywords
- nonwoven
- laminate
- fibers
- web
- nonwoven laminate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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Abstract
Description
도 1은 본 발명의 제 1 예시적 구현예에 따른 부직포를 수압 처리하고 천공하기 위한 시스템의 대표도이다.
도 2a 및 2b는 각각 본 발명의 제 2 및 제 3 예시적 구현예에 따른 부직포를 수압 처리 및/또는 천공하기 위한 시스템의 대표도이다.
도 3은 본 발명의 예시적 구현예에 따른, 부직포의 선택적 등급과 함께, 공정 파라미터 및 조건 하에 형성되는 수압-처리된 부직포에 대한 선택적 결과의 표이다.
도 4a, 4b 및 4c는 본 발명의 예시적 구현예에 따른, 도 3에 예시된 공정 파라미터 및 조건 하에 수압 처리된 부직포의 현미경 사진이다.
도 5는 본 발명의 예시적 구현예에 따른, 부직포의 선택적 등급과 함께, 공정 파라미터 및 조건 하에 형성된 수압-천공된 부직포에 대한 선택적 결과의 표이다.
도 6은 도 4a-c의 예와 비교하여 시험된 부직포의 현미경 사진이다.
도 7a, 7b 및 7c는 본 발명의 예시적 구현예에 따른, 도 5의 공정 파라미터 및 조건 하에 수압-천공된 부직포의 현미경 사진이다.
도 8은 미처리된 부직포와 비교한, 본 발명의 예시적 구현예에 따라 제조된 수압-처리된 부직포의 선택적 시험 결과의 표이다.
| 물질 1 | 30 gsm SMS |
| 물질 2 | 30 gsm SMS |
| 물질 3 | 30 gsm SMS |
| 물질 4a | 30 gsm SMS |
| 물질 4b | 30 gsm SMS |
| 물질 5 | 30 gsm SB |
| 스크린 ID | 구멍 크기, MD x CD, mm |
| AS1 | 1 x 0.5 |
| AS2 | 0.9 x 1.5 |
| AS3 | 3 x 2 |
Claims (24)
- 제 1 평균 직경을 가지는 연속 폴리머 섬유를 포함하는 제 1 부직 웹; 및
상기 제 1 평균 직경보다 작은 제 2 평균 직경을 가지는 연속 폴리머 섬유를 포함하는 제 2 부직 웹
을 포함하는 부직 라미네이트로서,
상기 부직 라미네이트는 수압 처리되고,
상기 부직 라미네이트는 규칙적인 구멍 패펀으로 천공되며,
상기 부직 라미네이트는 3.0 이상의 마모 등급을 갖는,
부직 라미네이트. - 제1항에 있어서, 상기 제 1 부직 웹은 연속 폴리프로필렌 섬유를 포함하는, 부직 라미네이트.
- 제1항에 있어서, 상기 제 1 부직 웹은 비스코스(viscose) 섬유를 포함하는, 부직 라미네이트.
- 제1항에 있어서, 상기 제 1 부직 웹은 연속 폴리머 섬유의 하나 이상의 층들을 포함하고, 상기 하나 이상의 층들 각각은 상이한 유형의 연속 폴리머 섬유를 포함하는, 부직 라미네이트.
- 제6항에 있어서, 상기 상이한 유형의 연속 폴리머 섬유들 중 적어도 하나는 폴리에틸렌을 포함하는, 부직 라미네이트.
- 제6항에 있어서, 상기 제 1 부직 웹의 연속 폴리머 섬유의 하나 이상의 층들은 2-성분(bicomponent) 섬유를 포함하는, 부직 라미네이트.
- 제1항에 있어서, 상기 제 1 및 제 2 부직 웹은 제곱미터 당 5 내지 60 그램(gsm) 범위 내의 총 평량(basis weight)을 갖는, 부직 라미네이트.
- 제7항에 있어서, 멜트블로운 섬유가 상기 제 1 및 제 2 부직 웹의 총 평량의 2 내지 35%를 포함하는, 부직 라미네이트.
- 제1항에 있어서, 연속 폴리머 섬유를 포함하는 제 3 부직 웹을 추가로 포함하고,
상기 제 3 부직 웹의 연속 폴리머 섬유는 상기 제 2 평균 직경보다 큰 제 3 평균 직경을 가지며,
상기 제 3 부직 웹은 10% 이상의 백분율 결합 면적을 가지는 규칙적인 결합 패턴으로 상기 제 2 부직 웹에 결합되는,
부직 라미네이트. - 제1항에 있어서, 상기 부직 라미네이트는 하이드로엔고지되는(hydroengorged), 부직 라미네이트.
- 연속 스펀본드 섬유를 포함하는 제 1 부직 웹을 형성하는 단계;
연속 멜트블로운 섬유를 포함하는 제 2 부직 웹을 형성하는 단계;
연속 스펀본드 섬유를 포함하는 제 3 부직 웹을 형성하는 단계;
상기 제 1, 제 2 및 제 3 부직 웹을 20 내지 60 N/m (미터 당 뉴턴)의 압력으로 캘린더 결합시켜, 규칙적인 결합 패턴을 가지는 라미네이트를 형성하는 단계; 및
상기 라미네이트에 하나 이상의 구멍 패턴을 수압에 의하여 부여하는 단계
를 포함하는, 천공된 부직 라미네이트의 제조 방법. - 제11항에 있어서, 상기 하나 이상의 구멍 패턴을 부여하는 단계는 각각 소정의 패턴을 가지는 해당 스크린 상에서 복수의 물 분사 단계에 의하여 상기 결합된 웹들을 수압 처리하는 단계를 포함하고,
상기 복수의 물 분사 단계는
상기 라미네이트를 약 80-160 bar의 제 1 압력 범위에서 복수의 워터 제트에 노출시키는 제 1 물 분사 단계;
상기 라미네이트를 약 80-160 bar의 제 2 압력 범위에서 복수의 워터 제트에 노출시키는 제 2 물 분사 단계; 및
상기 라미네이트를 약 80-160 bar의 제 3 압력 범위에서 복수의 워터 제트에 노출시키는 제 3 물 분사 단계
를 포함하고,
상기 제 1 물 분사 단계는 복수의 워터 제트의 서브세트를 80 bar에서 유지하는 단계를 추가로 포함하고,
상기 라미네이트는 약 5 중량%의 멜트블로운 섬유를 포함하는, 방법. - 제11항에 있어서, 상기 하나 이상의 구멍 패턴은, 제 1 구멍 패턴을 부여함으로써 상기 부직 웹 내에 형성되는 적어도 제 1 구멍이 제 2 구멍 패턴을 부여함으로써 상기 부직 웹 내에 형성되는 적어도 제 2 구멍과 동일한 위치에서 형성되도록 레지스터되는, 방법.
- 제13항에 있어서, 상기 제 1 및 제 2 구멍은 크기가 다른, 방법.
- 제14항에 있어서, 제 2 구멍 패턴을 부여함으로써 상기 부직 웹 내에 형성되는 적어도 제 3 구멍은 제 1 구멍 패턴을 부여함으로써 부직 웹 내에 형성되는 구멍이 없는 위치에 형성되는, 방법.
- 스펀본드 섬유를 포함하는 제 1 및 제 2 외부 부직층들, 및
멜트블로운 섬유를 포함하는 제 3 내부 부직층
을 포함하는 부직 라미네이트로서,
상기 부직 라미네이트는 10% 이상의 백분율 결합 면적을 가지는 규칙적인 결합 패턴으로 열에 의하여 결합되고,
상기 부직 라미네이트는 규칙적 패턴으로 배열된 복수개의 구멍을 포함하는,
부직 라미네이트. - 제16항에 있어서, 상기 구멍 패턴 내 구멍의 평균 직경은 제 1 방향을 따라 증가하는, 부직 라미네이트.
- 제16항에 있어서, 상기 구멍 패턴 내 구멍의 빈도는 제 1 방향을 따라 증가하는, 부직 라미네이트.
- 제16항에 있어서, 상기 부직 라미네이트는 하이드로엔고지되는, 부직 라미네이트.
- 스펀본드 섬유를 포함하는 제 1 및 제 2 외부 부직층들; 및
멜트블로운 섬유를 포함하는 제 3 내부 부직층
을 포함하는 부직 라미네이트로서,
상기 부직 라미네이트는 10% 이상의 백분율 결합 면적을 가지는 규칙적인 결합 패턴으로 열에 의하여 결합되고,
상기 부직 라미네이트는 수압 처리되며,
상기 제 3 내부 층의 평량은 적어도 5 gsm (제곱미터 당 그램)이고,
상기 부직 라미네이트는 4.0 이상의 마모 등급 및 6.0 그램(g) 이하의 평균 Hand-O-Meter 측정값(HOM)을 가지는,
부직 라미네이트. - 제20항에 있어서, 상기 부직 라미네이트는 하이드로엔고지되는, 부직 라미네이트.
- 제20항에 있어서, 상기 제 3 내부층의 평량은 적어도 10 gsm인, 부직 라미네이트.
- 제20항에 있어서, 상기 제 1 및 제 2 외부 부직층들의 스펀본드 섬유는 폴리프로필렌 및 및 적어도 5 중량%의 프로필렌계 엘라스토머를 포함하고,
상기 부직 라미네이트는 6.0 g 이하의 평균 Hand-O-Meter 측정값(HOM)을 가지는,
부직 라미네이트. - 제20항에 있어서, 상기 부직층들 중 적어도 하나의 섬유는 슬립제를 포함하는, 부직 라미네이트.
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| EP3555353B1 (en) | 2023-10-04 |
| PL3555353T3 (pl) | 2024-01-29 |
| BR112019012225B1 (pt) | 2023-02-14 |
| EP3555353C0 (en) | 2023-10-04 |
| RU2746917C2 (ru) | 2021-04-22 |
| RU2019120676A (ru) | 2021-01-15 |
| EP3555353A4 (en) | 2020-08-19 |
| JP2020502386A (ja) | 2020-01-23 |
| MX2019007013A (es) | 2019-10-15 |
| BR112019012225A2 (pt) | 2019-11-05 |
| ZA201903255B (en) | 2019-12-18 |
| EP3555353A1 (en) | 2019-10-23 |
| JP7160810B2 (ja) | 2022-10-25 |
| CN110268113A (zh) | 2019-09-20 |
| RU2019120676A3 (ko) | 2021-03-18 |
| WO2018112259A1 (en) | 2018-06-21 |
| CN110268113B (zh) | 2022-06-14 |
| KR102469632B1 (ko) | 2022-11-22 |
| US20180169995A1 (en) | 2018-06-21 |
| US10737459B2 (en) | 2020-08-11 |
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