KR100936845B1 - 고벌크 복합 시트의 제조 방법 - Google Patents
고벌크 복합 시트의 제조 방법 Download PDFInfo
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Abstract
Description
상기 방법에서, 최대 섬유 배향의 초기 방향은 기계방향이고, 웹을 가열한 후 기계방향 및 교차방향 섬유 배향의 비가, 웹을 결합한 후 기계방향 대 교차방향 인장강도의 비로 측정하여, 비나선권축성 섬유 100%로 구성된 웹의 기계방향 및 교차방향의 비보다 적어도 30% 더 낮을 수 있다.
본 발명은 또한 가열시 3차원 나선권축을 발생시킬 수 있는 다성분 섬유로 본질적으로 구성된 제1 섬유 성분 약 5 내지 40 중량%, 및 가열시 나선권축을 발생시키지 않는 섬유로 본질적으로 구성된 제2 섬유 성분 약 95 내지 60 중량%를 포함하며, 기계방향, 교차방향 및 기계방향 배향 및 교차방향 배향 중 하나로부터 선택된 최대의 섬유 배향의 초기 방향을 가지며, 웹을 가열한 후 최대 섬유 배향 방향 및 최소 섬유 배향 방향의 비가, 최대 섬유 배향 방향의 인장강도 및 최소 섬유 배향 방향의 인장강도의 비로서 측정하여, 비나선권축성 섬유 100%로 구성된 웹의 최대 섬유 배향 방향 및 최소 섬유 배향 방향의 비보다 적어도 30% 더 낮은 부직웹에 관한 것이다.
본 발명은 또한 부직웹은 표면 속도를 또한 가지며, 자유 수축 가열 단계가
실질적으로 비결합된 부직웹을 제1 이송 표면 속도를 갖는 제1 이송 표면상으로 이송하는 단계;
실질적으로 비결합된 부직웹을 제1 이송 표면으로부터 전달 구역을 통해 제2 이송 표면 속도를 갖는 제2 이송 표면으로 전달하며, 실질적으로 비결합된 부직웹을 이송 표면과 접촉시키지 않고 전달 구역을 통해 이송하는 단계;
전달 구역에서 열처리를 수행하여, 웹이 전달 구역을 통해 이송됨에 따라 다성분 섬유의 권축을 발생시켜 웹 표면 속도를 감소시키는 단계; 및
열처리된 실질적으로 비결합된 부직웹이 전달 구역에서 나올 때 이 웹을 제1 이송 표면 속도보다 낮은 표면 속도를 갖는 제2 이송 표면으로 전달하는 단계를 포함하는 방법에 관한 것이다. 제2 이송 표면 속도는 열처리된 실질적으로 비결합된 부직웹이 전달 구역에서 나와 제2 이송 표면에 접촉할 때의 이 웹의 표면 속도와 대략 동일하게 선택될 수 있다. 실질적으로 비결합된 부직웹은 전달 구역을 통해 자유 낙하시키거나 또는 웹 아래로부터 기체를 송풍하여 웹을 부유시킴으로써 전달 구역을 통해 이송할 수 있다. 또한 상기 방법은 열처리된 웹이 전달 구역에서 나온 후, 열처리된 웹을 결합시키는 단계를 추가로 포함할 수 있다.
또한 자유 수축 가열 단계는
실질적으로 비결합된 부직웹을 제1 이송 표면 속도를 갖는 제1 이송 표면상으로 이송하는 단계;
실질적으로 비결합된 부직웹을 전달 구역을 통해 제2 이송 표면 속도를 갖는 제2 이송 표면으로 전달하며, 실질적으로 비결합된 부직웹이 전달 구역을 통해 이송됨에 따라 감소하는 부직 표면 속도를 갖는 단계;
실질적으로 비결합된 부직웹을 2개 이상의 일련의 구동 롤 상에서 전달 구역을 통해 이송시키며, 각 구동 롤은 웹이 전달 구역을 통해 이동함에 따라 점진적으로 감소하는 원주선속도를 갖는 단계;
전달 구역에서 열처리를 수행하여, 웹이 전달 구역을 통해 이송됨에 따라 다성분 섬유의 권축을 발생시켜 웹 표면 속도를 감소시키는 단계; 및
열처리된 실질적으로 비결합된 부직웹이 전달 구역에서 나올 때 이 웹을 제1 이송 표면 속도보다 낮은 표면 속도를 갖는 제2 이송 표면으로 전달하는 단계를 포함할 수 있다. 각 롤의 원주선속도는 각 롤에 접촉하는 부직포 표면 속도와 대략 동일하며, 제2 이송 표면 속도는 열처리된 실질적으로 비결합된 부직웹이 전달 구역에서 나와 제2 이송 표면에 접촉할 때의 이 웹의 표면 속도와 대략 동일하게 선택될 수 있다. 인접 롤의 원주선속도는 바람직하게는 20% 미만, 보다 바람직하게는 10% 미만으로 변할 수 있다. 또한 상기 단계 이외에, 열처리된 웹이 전달 구역에서 나온 후, 열처리된 웹을 결합시키는 단계를 추가로 포함할 수 있다.
통상적인 스펀본드 공정에서, 필라멘트는 방사구로부터 아래로 움직이는 필라멘트의 커튼으로서 방출되어, 급랭 구역을 통과하면서 예를 들어 필라멘트 커튼의 한쪽 또는 양쪽의 송풍기에 의해 공급되는 교차유동 급랭 공기에 의해 냉각된다. 방사구에 교호하는 열로 위치하는 압출 오리피스는 급랭 구역의 "차폐 (shadowing)", 즉, 한 열의 필라멘트가 인접한 열의 필라멘트를 급랭 공기로부터 차단하는 것을 피하기 위해 서로에 대해 엇갈려 있을 수 있다. 급랭 구역의 길이는 필라멘트가 급랭 구역에서 나갈 때 서로 달라붙지 않을 정도의 온도로 냉각되도록 선택한다. 일반적으로, 필라멘트가 급랭 구역의 출구에서 완전히 고화될 필요는 없다. 급랭된 필라멘트는 일반적으로 방사구 아래에 위치한 섬유 인취 장치 또는 흡인기 (aspirator)를 통과한다. 상기 섬유 인취 장치 또는 흡인기는 당업계에 널리 공지되어 있고, 일반적으로, 통로의 측면에서 유입되어 통로 아래로 흐르는 흡인 공기에 의해 필라멘트가 인취되는 수직 연신 통로를 포함한다. 흡인 공기는 인취 장력을 제공하여 필라멘트를 방사구 판 표면 부근에서 인취시키고 급랭된 필라멘트를 이송하여 섬유 인취 장치 아래에 위치하는 천공 형성 표면상에 퇴적시킨다.
| 실시예 | 항목 설명 | 기초 중량 oz/yd2 | 기초 중량 g/m2 | MD/XD비 |
| 1 | 80% PET T-54W/20% 2GT/3GT | 0.84 | 28.5 | 2.76 |
| A | 실시예 1, 예열 없음 | 0.79 | 26.8 | 4.14 |
| B | 100% PET (T-54W) | 0.72 | 24.4 | 10.91 |
| 2 | 80% PET T-54W/20% 2GT/3GT | 1.98 | 67.1 | 2.05 |
| C | 100% PET (T-54W) | 1.51 | 51.2 | 5.43 |
| 실시예 | 항목 설명 | 기초 중량 oz/yd2 | 기초 중량 g/m2 | MD/XD비 |
| 3 | 80% PET T-90S/20% 2GT/3GT | 0.59 | 20.0 | 4.86 |
| D | 100% PET (T-90S) | 0.53 | 17.97 | 36.80 |
| 실시예 | 항목 설명 | 기초 중량 oz/yd2 | 기초 중량 g/m2 | MD/XD비 |
| 4 | 80% PET T-90S/20% 2GT/3GT | 1.69 | 57.3 | 1.52 |
| E | 100% PET (T-90S) | 1.24 | 42.0 | 3.72 |
| 실시예 | 항목 설명 | 기초 중량 oz/yd2 | 기초 중량 g/m2 | MD/XD비 |
| 5 | 80% PET T-90S/20% 2GT/3GT | 2.75 | 93.2 | 1.08 |
| F | 100% PET (T-90S) | 2.21 | 74.9 | 2.34 |
Claims (29)
- 가열시 3차원 나선권축을 발생시킬 수 있는 다성분 섬유로 구성된 제1 섬유 성분 약 5 내지 40 중량%, 및 가열시 나선권축을 발생시키지 않는 섬유로 구성된 제2 섬유 성분 약 95 내지 60 중량%를 포함하는, 초기의 최대 섬유 배향 방향을 갖는 실질적으로 비결합된 부직웹을 제공하는 단계; 및상기 실질적으로 비결합된 부직웹을 자유 수축 조건 하에서 다성분 섬유가 3차원 나선권축을 발생시키기에 충분한 온도로 가열하며, 상기 가열 온도는 열처리되는 부직웹이 가열 단계 동안 실질적으로 비결합된 상태를 유지하고 실질적으로 비결합된 부직웹이 최대 초기 웹 배향의 방향으로 약 10% 이상 수축되도록 선택되는 단계를 포함하는, 부직웹의 기계방향 및 교차방향 배향의 비를 변형시키는 방법.
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- 가열시 3차원 나선권축을 발생시킬 수 있는 다성분 섬유로 구성된 제1 섬유 성분 약 5 내지 40 중량%, 및 가열시 나선권축을 발생시키지 않는 섬유로 구성된 제2 섬유 성분 약 95 내지 60 중량%를 포함하며, 기계방향, 교차방향, 및 기계방향 배향 및 교차방향 배향 중 하나로부터 선택된 최대의 섬유 배향의 초기 방향을 가지며, 웹을 가열한 후 최대 섬유 배향 방향 및 최소 섬유 배향 방향의 비가, 최대 섬유 배향 방향의 인장강도 및 최소 섬유 배향 방향의 인장강도의 비로서 측정하여, 비나선권축성 섬유 100%로 구성된 웹의 최대 섬유 배향 방향 및 최소 섬유 배향 방향의 비보다 적어도 30% 더 낮은 부직웹.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| US34332201P | 2001-12-21 | 2001-12-21 | |
| US60/343,322 | 2001-12-21 | ||
| PCT/US2002/040402 WO2003056088A1 (en) | 2001-12-21 | 2002-12-17 | Method for preparing high bulk composite sheets |
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| Publication Number | Publication Date |
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| KR20040073491A KR20040073491A (ko) | 2004-08-19 |
| KR100936845B1 true KR100936845B1 (ko) | 2010-01-14 |
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| EP (1) | EP1456452B1 (ko) |
| JP (1) | JP4516754B2 (ko) |
| KR (1) | KR100936845B1 (ko) |
| CN (1) | CN100347370C (ko) |
| AU (1) | AU2002346731A1 (ko) |
| BR (1) | BR0215132B1 (ko) |
| DE (1) | DE60225718T2 (ko) |
| TW (1) | TWI300101B (ko) |
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| US7005395B2 (en) * | 2002-12-12 | 2006-02-28 | Invista North America S.A.R.L. | Stretchable composite sheets and processes for making |
| US7416638B2 (en) * | 2003-11-18 | 2008-08-26 | Georgia-Pacific Consumer Products Lp | Apparatus and method for manufacturing a multi-layer web product |
| DE102004024042A1 (de) * | 2004-05-07 | 2005-11-24 | Paul Hartmann Ag | Vlies-/Folienlaminat |
| DE102005030484B4 (de) | 2005-06-28 | 2007-11-15 | Carl Freudenberg Kg | Elastischer Vliesstoff, Verfahren zu dessen Herstellung und dessen Verwendung |
| AT503625B1 (de) | 2006-04-28 | 2013-10-15 | Chemiefaser Lenzing Ag | Wasserstrahlverfestigtes produkt enthaltend cellulosische fasern |
| AT505621B1 (de) | 2007-11-07 | 2009-03-15 | Chemiefaser Lenzing Ag | Vefahren zur herstellung eines wasserstrahlverfestigten produktes enthaltend cellulosische fasern |
| JP5898499B2 (ja) * | 2011-01-21 | 2016-04-06 | 日本バイリーン株式会社 | 不織布及びその製造方法 |
| JP6442857B2 (ja) * | 2014-04-14 | 2018-12-26 | セイコーエプソン株式会社 | シート製造装置 |
| CN104367280A (zh) * | 2014-11-25 | 2015-02-25 | 苏州新纶超净技术有限公司 | 一种可有效去除微尘的机织无尘布及其制造方法 |
| EP4477791A3 (en) * | 2017-04-06 | 2025-02-26 | FARE' S.p.A. | A process and an apparatus for the production of a voluminous nonwoven fabric |
| KR101858130B1 (ko) * | 2017-05-29 | 2018-05-15 | 이정호 | 불규칙망사형 장섬유 부직포 및 그 제조방법 및 그 제조장치 |
| US10617225B1 (en) * | 2018-03-12 | 2020-04-14 | Tietex International Ltd. | Stretchable flame barrier panels |
| WO2020214772A1 (en) * | 2019-04-16 | 2020-10-22 | Tietex International, Ltd. | Mattress with flame barrier cap and related method |
| JP7414846B2 (ja) * | 2019-12-25 | 2024-01-16 | 花王株式会社 | 温熱具 |
| CN111088603A (zh) * | 2019-12-30 | 2020-05-01 | 安洁利德科技(江苏)有限公司 | 一种用于加工纤网的浸润式热熔机构 |
| WO2021172476A1 (ja) * | 2020-02-27 | 2021-09-02 | 花王株式会社 | 不織布、これを備える不織布製品及び吸収性物品、並びに該不織布製品の製造方法 |
| EP4338950A3 (en) * | 2020-10-30 | 2024-06-12 | NIKE Innovate C.V. | Asymmetric faced composite nonwoven textile and methods of manufacturing the same |
| US11913151B2 (en) * | 2021-01-11 | 2024-02-27 | Fitesa Simpsonville, Inc. | Nonwoven fabric having a single layer with a plurality of different fiber types, and an apparatus, system, and method for producing same |
| CN113089187A (zh) * | 2021-02-21 | 2021-07-09 | 金大付 | 一种医疗长纤维无纺布面料制备装置及方法 |
| EP4137628A1 (de) * | 2021-08-20 | 2023-02-22 | Nitto Advanced Film Gronau GmbH | Verfahren zur herstellung eines nonwovenelements sowie nonwovenelement und hygieneartikel |
| KR20230072287A (ko) * | 2021-11-17 | 2023-05-24 | 코오롱인더스트리 주식회사 | 부직포, 그 제조방법, 그 제조장치 및 물품 |
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- 2002-12-17 DE DE60225718T patent/DE60225718T2/de not_active Expired - Lifetime
- 2002-12-17 BR BRPI0215132-4A patent/BR0215132B1/pt not_active IP Right Cessation
- 2002-12-17 KR KR1020047009557A patent/KR100936845B1/ko not_active Expired - Fee Related
- 2002-12-17 AU AU2002346731A patent/AU2002346731A1/en not_active Abandoned
- 2002-12-17 EP EP02784800A patent/EP1456452B1/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| US6984276B2 (en) | 2006-01-10 |
| TW200301328A (en) | 2003-07-01 |
| CN100347370C (zh) | 2007-11-07 |
| CN1606642A (zh) | 2005-04-13 |
| TWI300101B (en) | 2008-08-21 |
| DE60225718T2 (de) | 2009-04-30 |
| US20030124939A1 (en) | 2003-07-03 |
| EP1456452B1 (en) | 2008-03-19 |
| EP1456452A1 (en) | 2004-09-15 |
| BR0215132B1 (pt) | 2013-06-04 |
| WO2003056088A1 (en) | 2003-07-10 |
| JP2005520059A (ja) | 2005-07-07 |
| AU2002346731A1 (en) | 2003-07-15 |
| BR0215132A (pt) | 2004-11-03 |
| KR20040073491A (ko) | 2004-08-19 |
| JP4516754B2 (ja) | 2010-08-04 |
| DE60225718D1 (ko) | 2008-04-30 |
| HK1076846A1 (zh) | 2006-01-27 |
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