KR20170077260A - 섬유 다발 - Google Patents
섬유 다발 Download PDFInfo
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- KR20170077260A KR20170077260A KR1020177017060A KR20177017060A KR20170077260A KR 20170077260 A KR20170077260 A KR 20170077260A KR 1020177017060 A KR1020177017060 A KR 1020177017060A KR 20177017060 A KR20177017060 A KR 20177017060A KR 20170077260 A KR20170077260 A KR 20170077260A
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- Prior art keywords
- fibers
- fiber bundle
- fiber
- additive
- polymer
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Abstract
Description
도 1은 본 발명의 섬유를 사용할 수 있는 흡수 용품의 일 실시예의 사시도이고;
도 2는 섬유를 형성하기 위해 본 발명의 일 실시예에서 사용될 수도 있는 공정의 개략도이고;
도 3은 본 발명의 일 실시예에 따라 연신될 수 있는 섬유 다발의 개략도이고; 그리고
도 4-5는 실시예 1의 섬유의 SEM 현미경사진이다.
| 산출 입력 | 시험 입력 | ||
| 파단 마크 드롭 | 50% | 파단 감도 | 90% |
| 파단 마커 세장 | 0.1 in | 파단 임계값 | 10 gf |
| 공칭 게이지 길이 | 1 in | 데이터 획득 율 | 10 Hz |
| 슬랙 예비-하중 | 1 lbf | 데니어 길이 | 9000 m |
| 기울기 세그먼트 길이 | 20% | 밀도 | 1.25 g/cm3 |
| 항복 오프셋 | 0.20% | 초기 속도 | 12 in/분 |
| 항복 세그먼트 길이 | 2% | 이차 속도 | 2 in/분 |
Claims (22)
- 길이방향 축을 중심으로 꼬여 있는 복수의 섬유를 포함하는 섬유 다발로, 상기 섬유들의 적어도 일부분은 폴리올레핀 매트릭스 중합체를 포함하는 연속상 및 상기 연속상 내에 이산 도메인의 형태로 분산된 나노내포 첨가제를 함유하는 열가소성 조성물로 형성되고, 여기서 포어 망은 복수의 나노포어를 포함하는 상기 조성물에 정의되는, 섬유 다발.
- 제1항에 있어서, 상기 다발은 약 5개 이상의 섬유를 함유하는, 섬유 다발.
- 제1항에 있어서, 상기 섬유는 나선형으로 꼬여 있는, 섬유 다발.
- 제3항에 있어서, 상기 섬유는 약 0.1° 내지 약 20°의 나선 각도 및/또는 약 1 내지 약 300회전/m의 피치로 꼬여 있는, 섬유 다발.
- 제1항에 있어서, 상기 섬유 다발은 약 1 내지 약 30kg/9000m의 총 데니어를 가지는, 섬유 다발.
- 제1항에 있어서, 상기 나노포어들은 약 800nm 이하의 평균 단면 치수를 가지는, 섬유 다발.
- 제1항에 있어서, 상기 폴리올레핀 매트릭스 중합체는 ASTM D1238에 따라 2160 그램의 하중 및 230℃에서 측정된, 약 0.5 내지 약 80 그램/10분의 용융 유속을 가지는, 섬유 다발.
- 제1항에 있어서, 상기 폴리올레핀 매트릭스 중합체는 실질적으로 동일배열 폴리프로필렌 단독중합체 또는 적어도 약 90중량%의 프로필렌을 포함하는 공중합체인, 섬유 다발.
- 제1항에 있어서, 상기 연속상은 상기 열가소성 조성물의 약 60중량% 내지 약 99중량%를 구성하고, 상기 나노내포 첨가제는 상기 연속상의 중량에 기초하여 상기 조성물의 약 0.05중량% 내지 약 20중량%를 구성하는, 섬유 다발.
- 제1항에 있어서, 상기 나노내포 첨가제는 관능화 폴리올레핀을 포함하는, 섬유 다발.
- 제10항에 있어서, 상기 관능화 폴리올레핀은 폴리에폭시드인, 섬유 다발.
- 제1항에 있어서, 상기 나노내포 첨가제는 ASTM D1238을 따라 2160 그램의 하중 및 용융 온도 보다 적어도 약 40℃ 위의 온도에서 측정된, 약 0.1 내지 약 100그램/10분의 용융 유속을 가지는, 섬유 다발.
- 제1항에 있어서, 상기 조성물은 이산 도메인들의 형태로 상기 연속상 내에 분산되어 있는 마이크로내포 첨가제를 더 포함하는, 섬유 다발.
- 제13항에 있어서, 상기 마이크로내포 첨가제의 중합체는 폴리락트산인, 섬유 다발.
- 제13항에 있어서, 상기 마이크로내포 첨가제의 중합체는 약 0℃ 이상의 유리 전이 온도를 갖는, 섬유 다발.
- 제1항에 있어서, 상기 열가소성 조성물은 간기 개질제를 더 포함하는, 섬유 다발.
- 제1항에 있어서, 상기 포어 망은 마이크로포어를 더 포함하는, 섬유 다발.
- 다공성 섬유를 형성하기 위한 방법으로, 상기 방법은
제1항 내지 제17항 중 어느 한 항의 섬유 다발을 상기 매트릭스 중합체의 용융 온도 보다 낮은 온도에서 연신시켜서, 복수의 나노포어를 포함하는 포어 망을 형성하는 단계를 포함하는, 방법. - 제18항에 있어서, 상기 섬유 다발은 약 1.1 내지 약 25의 연신 비율로 신축되는, 방법.
- 제18항에 있어서, 상기 섬유 다발은 약 -50℃ 내지 약 150℃의 온도에서 연신되는, 방법.
- 제18항에 있어서, 상기 다발을 풀어서 적어도 하나의 다공성 섬유를 형성하는 단계를 더 포함하는, 방법.
- 제21항의 다공성 섬유를 포함하는 부직포 웹.
Applications Claiming Priority (3)
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| US201462090442P | 2014-12-11 | 2014-12-11 | |
| US62/090,442 | 2014-12-11 | ||
| PCT/US2015/065210 WO2016094779A1 (en) | 2014-12-11 | 2015-12-11 | Fiber bundle |
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| KR20170077260A true KR20170077260A (ko) | 2017-07-05 |
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| KR1020177017060A Ceased KR20170077260A (ko) | 2014-12-11 | 2015-12-11 | 섬유 다발 |
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| US (1) | US20170362757A1 (ko) |
| EP (1) | EP3230512A1 (ko) |
| KR (1) | KR20170077260A (ko) |
| CN (1) | CN107002303A (ko) |
| AU (1) | AU2015360318A1 (ko) |
| BR (1) | BR112017010579A2 (ko) |
| MX (1) | MX2017006621A (ko) |
| WO (1) | WO2016094779A1 (ko) |
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| MX392654B (es) | 2015-12-11 | 2025-03-24 | Kimberly Clark Co | Metodo para formar fibras porosas. |
| DK3325703T3 (da) | 2016-08-02 | 2019-10-28 | Fitesa Germany Gmbh | System og fremgangsmåde til fremstilling af ikke-vævede polymælkesyrestoffer |
| US11441251B2 (en) | 2016-08-16 | 2022-09-13 | Fitesa Germany Gmbh | Nonwoven fabrics comprising polylactic acid having improved strength and toughness |
| KR20230008053A (ko) * | 2020-04-27 | 2023-01-13 | 스미토모 세이카 가부시키가이샤 | 흡수성 물품 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0246752B1 (en) * | 1986-05-16 | 1992-03-11 | Imperial Chemical Industries Plc | Fibres and hollow fibrous tubes |
| EP1518011B1 (en) * | 2002-06-28 | 2013-04-10 | Neokidney Holding B.V. | Method for the preparation of functional porous fibres |
| CN1312335C (zh) * | 2002-08-05 | 2007-04-25 | 东丽株式会社 | 多孔纤维 |
| EP1564315B1 (en) * | 2002-10-23 | 2011-12-07 | Toray Industries, Inc. | Nanofiber aggregate, polymer alloy fiber, hybrid fiber, fibrous structures, and processes for production of them |
| US10858762B2 (en) * | 2012-02-10 | 2020-12-08 | Kimberly-Clark Worldwide, Inc. | Renewable polyester fibers having a low density |
-
2015
- 2015-12-11 MX MX2017006621A patent/MX2017006621A/es unknown
- 2015-12-11 BR BR112017010579A patent/BR112017010579A2/pt not_active IP Right Cessation
- 2015-12-11 EP EP15867816.9A patent/EP3230512A1/en not_active Withdrawn
- 2015-12-11 US US15/519,938 patent/US20170362757A1/en not_active Abandoned
- 2015-12-11 CN CN201580062879.5A patent/CN107002303A/zh active Pending
- 2015-12-11 KR KR1020177017060A patent/KR20170077260A/ko not_active Ceased
- 2015-12-11 WO PCT/US2015/065210 patent/WO2016094779A1/en not_active Ceased
- 2015-12-11 AU AU2015360318A patent/AU2015360318A1/en not_active Abandoned
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| Publication number | Publication date |
|---|---|
| EP3230512A1 (en) | 2017-10-18 |
| BR112017010579A2 (pt) | 2018-02-14 |
| MX2017006621A (es) | 2017-08-10 |
| CN107002303A (zh) | 2017-08-01 |
| AU2015360318A1 (en) | 2017-06-29 |
| US20170362757A1 (en) | 2017-12-21 |
| WO2016094779A1 (en) | 2016-06-16 |
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