KR101358552B1 - 폴리머 블렌드, 폴리머 용액 조성물 및 상기 폴리머 블렌드로부터 방사된 섬유 및 이의 여과 적용 - Google Patents
폴리머 블렌드, 폴리머 용액 조성물 및 상기 폴리머 블렌드로부터 방사된 섬유 및 이의 여과 적용 Download PDFInfo
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- KR101358552B1 KR101358552B1 KR1020087022378A KR20087022378A KR101358552B1 KR 101358552 B1 KR101358552 B1 KR 101358552B1 KR 1020087022378 A KR1020087022378 A KR 1020087022378A KR 20087022378 A KR20087022378 A KR 20087022378A KR 101358552 B1 KR101358552 B1 KR 101358552B1
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Abstract
Description
본 발명의 제2 구현예에서, 상기 제1 구현예의 상기 미세 섬유는 상기 제1 폴리머 단독으로 제조된 섬유에 비해 개선된 내용융성을 가진다.
본 발명의 제3 구현예에서, 상기 제1 구현예의 상기 섬유는 입자를 점착시키기에 적합한 끈적끈적한(tacky) 표면을 가진다.
본 발명의 제4 구현예에서, 상기 제1 구현예의 상기 제2 폴리머는 부가 폴리머 또는 축합 폴리머이다.
본 발명의 제5 구현예에서, 상기 제1 구현예의 상기 제1 폴리머는 다작용성 이소시아네이트 화합물과 둘 이상의 반응성 수소를 가지는 폴리머 형성 화합물의 반응 산물을 포함한다.
본 발명의 제6 구현예에서, 상기 제5 구현예의 상기 이소시아네이트 화합물은 디이소시아네이트 화합물을 포함한다.
본 발명의 제7 구현예에서, 상기 제5 구현예의 상기 이소시아네이트 화합물은 방향족 이소시아네이트이다.
본 발명의 제8 구현예에서, 상기 제5 구현예의 상기 반응성 수소를 가지는 화합물은 디올, 트리올, 폴리올, 디아민, 트리아민 또는 테트라민, 또는 이의 혼합물로 구성되는 군으로부터 선택된 화합물을 포함한다.
본 발명의 제9 구현예에서, 상기 제1 구현예의 상기 미세 섬유는 입자를 추가로 포함한다.
본 발명의 제10 구현예에서, 상기 제9 구현예의 상기 입자는 활성탄이다.
본 발명의 제11 구현예에서, 상기 제1 구현예의 상기 섬유는 상기 제1 폴리머 및 제2 폴리머의 용액으로부터 전기방사된(electrospun) 것이다.
본 발명의 제12 구현예에서, 상기 제11 구현예의 상기 섬유는 상기 섬유가 전기방사되는, 용매의 비등점에 상응하는 온도에서 용융되지 않는다.
본 발명의 제13 구현예에서, 상기 제11 구현예의 상기 섬유가 지지층 상에 전기방사되어 전기방사 섬유층을 형성한다.
본 발명의 제14 구현예에서, 상기 제13 구현예의 상기 지지층은 부직 웹(nonwoven web)이다.
본 발명의 제15 구현예에서, 상기 제13 구현예의 상기 지지층은 셀룰로오스 기재, 셀룰로오스/합성 기재 또는 폴리머성 부직 기재를 포함한다.
본 발명의 제16 구현예에서, 상기 제13 구현예의 상기 섬유층은 전기방사 후 상기 지지층으로부터 분리된다.
본 발명의 제17 구현예에서, 상기 제13 구현예의 상기 미세 섬유 직경은 약 0.01 내지 약 2 마이크론이고 또한 상기 층의 두께는 상기 미세 섬유 직경의 약 1 내지 100배이다.
본 발명의 제18 구현예에서, 상기 제13 구현예의 상기 섬유층 두께는 상기 미세 섬유 직경의 약 1 내지 5배이다.
본 발명의 제19 구현예에서, 상기 제13 구현예의 상기 섬유층 두께는 약 1 내지 30 마이크론이다.
본 발명의 제20 구현예에서, 상기 제13 구현예의 상기 섬유층은 상기 미세 섬유의 이중층이다.
본 발명의 제21 구현예에서, 상기 제13 구현예의 상기 층은 상기 미세 섬유의 다중층이다.
본 발명의 제22 구현예에 따른 미세 섬유는 폴리아미드 폴리머 및 폴리우레탄 폴리머를 포함하며, 여기서 상기 폴리우레탄 폴리머 1 중량부 당 폴리아미드 폴리머 약 0.1 내지 0.99 중량부가 존재하고, 여기서 상기 섬유는 약 0.001 내지 5 마이크론의 직경을 가지고 또한 상기 폴리아미드 및 폴리우레탄은 혼화될 수 있다.
본 발명의 제23 구현예에서, 상기 제22 구현예의 상기 폴리아미드 폴리머는 나일론이다.
본 발명의 제24 구현예에서, 상기 제22 구현예의 상기 폴리아미드 및 폴리우레탄의 조합은 상기 폴리우레탄의 용융에 대해 증가된 내온성(temperature resistance)을 제공한다.
본 발명의 제25 구현예에서, 상기 제22 구현예의 상기 섬유는 입자를 점착시키기에 적합한 끈적끈적한 표면을 가진다.
본 발명의 제26 구현예에서, 상기 제22 구현예의 상기 폴리우레탄은 이소시아네이트 화합물과 반응성 수소를 가지는 화합물의 반응 산물을 포함한다.
본 발명의 제27 구현예에서, 상기 제26 구현예의 상기 이소시아네이트 화합물은 디이소시아네이트 화합물을 포함한다.
본 발명의 제28 구현예에서, 상기 제26 구현예의 상기 이소시아네이트 화합물은 방향족 이소시아네이트이다.
본 발명의 제29 구현예에서, 상기 제26 구현예의 상기 반응성 수소를 가지는 화합물은 디올, 트리올, 폴리올, 디아민, 트리아민 또는 테트라민, 또는 이의 혼합물로 구성되는 군으로부터 선택된 화합물을 포함한다.
본 발명의 제30 구현예에서, 상기 제22 구현예의 상기 미세 섬유는 입자를 추가로 포함한다.
본 발명의 제31 구현예에서, 상기 제30 구현예의 상기 입자는 활성탄이다.
본 발명의 제32 구현예에서, 상기 제22 구현예의 상기 섬유는 상기 제1 폴리머 및 상기 폴리우레탄의 용액으로부터 전기방사된 것이다.
본 발명의 제33 구현예에서, 상기 제32 구현예의 상기 섬유는 상기 섬유가 전기방사되는, 용매의 비등점에 상응하는 온도에서 용융되지 않는다.
본 발명의 제34 구현예에서, 상기 제32 구현예의 상기 섬유는 지지층 상에 전기방사되어 미세 섬유층을 형성한다.
본 발명의 제35 구현예에서, 상기 제34 구현예의 상기 지지층은 부직 웹이다.
본 발명의 제36 구현예에서, 상기 제34 구현예의 상기 지지층은 셀룰로오스 기재, 셀룰로오스/합성 기재 또는 폴리머성 부직 기재를 포함한다.
본 발명의 제37 구현예에서, 상기 제34 구현예의 상기 섬유층은 전기방사 후 상기 지지층으로부터 분리된다.
본 발명의 제38 구현예에서, 상기 제34 구현예의 상기 미세 섬유 직경은 약 0.01 내지 약 2 마이크론이고 또한 상기 층의 두께는 상기 미세 섬유 직경의 약 1 내지 100배이다.
본 발명의 제39 구현예에서, 상기 제34 구현예의 상기 층 두께는 상기 미세 섬유 직경의 약 1 내지 5배이다.
본 발명의 제40 구현예에서, 상기 제34 구현예의 상기 섬유층 두께는 약 1 내지 30 마이크론이다.
본 발명의 제41 구현예에서, 상기 제34 구현예의 상기 섬유층은 상기 미세 섬유의 이중층이다.
본 발명의 제42 구현예에서, 상기 제34 구현예의 상기 섬유층은 상기 미세 섬유의 다중층이다.
본 발명의 제43 구현예에 따른 미세 섬유층을 형성하는 방법은 (a) 폴리우레탄을 포함하는 제1 폴리머 및 제2 폴리머 용액을 형성하는 단계; (b) 미세 섬유층을 형성하기 위해 상기 용액을 기재 상에 전기방사하는 단계; (c) 상기 층으로부터 실질적으로 모든 용매를 제거하기 위해 상기 층을 충분히 건조시키는 단계를 포함한다.
본 발명의 제44 구현예에서, 상기 제43 구현예의 상기 제2 폴리머는 폴리아미드이다.
본 발명의 제45 구현예에서, 상기 제44 구현예의 상기 폴리아미드는 나일론이다.
본 발명의 제46 구현예에서, 상기 제43 구현예의 상기 섬유는 제1 폴리머 단독으로 제조된 섬유에 비해 증가된 내온성을 가진다.
본 발명의 제47 구현예에서, 상기 제43 구현예의 상기 섬유는 입자를 점착시키기에 적합한 끈적끈적한 표면을 가진다.
본 발명의 제48 구현예에서, 상기 제47 구현예의 상기 입자는 활성탄이다.
본 발명의 제49 구현예에서, 상기 제43 구현예의 상기 섬유는 상기 섬유가 전기방사되는, 용매의 비등점에 상응하는 온도에서 용융되지 않는다.
본 발명의 제50 구현예에서, 상기 제43 구현예의 상기 용액은 지지층 상에 전기방사된다.
본 발명의 제51 구현예에서, 상기 제50 구현예의 상기 지지층은 부직 웹이다.
본 발명의 제52 구현예에서, 상기 제51 구현예의 상기 지지층은 셀룰로오스 기재, 셀룰로오스/합성 기재 또는 폴리머성 부직 기재를 포함한다.
본 발명의 제53 구현예에서, 상기 제50 구현예의 상기 섬유층은 전기방사 후 상기 지지층으로부터 분리된다.
본 발명의 제54 구현예에서, 상기 제43 구현예의 상기 미세 섬유 직경은 약 0.01 내지 약 2 마이크론이고 또한 상기 층의 두께는 상기 미세 섬유 직경의 약 1 내지 100배이다.
본 발명의 제55 구현예에서, 상기 제43 구현예의 상기 층 두께는 상기 미세 섬유 직경의 약 1 내지 5배이다.
본 발명의 제56 구현예에서, 상기 제43 구현예의 상기 섬유층 두께는 약 1 내지 30 마이크론이다.
본 발명의 제57 구현예에서, 상기 제43 구현예의 상기 섬유층은 상기 미세 섬유의 이중층이다.
본 발명의 제58 구현예에서, 상기 제43 구현예의 상기 섬유층은 상기 미세 섬유의 다중층이다.
본 발명의 미세 섬유는 폴리우레탄 폴리머 및 제2 폴리머를 포함하는 나노섬유 크기의 섬유를 포함한다. 본 명세서의 문맥에서, 용어 "제2 폴리머(second polymer)"는 상기 폴리우레탄 폴리머와는 상이한 폴리머를 의미한다. 이 문맥에서, 상이한 폴리머란 상이한 폴리우레탄을 의미할 수 있는데, 이 폴리우레탄의 제조 시 폴리우레탄이 하드(hard) 또는 소프트(soft) 폴리올 반응물과 같은 활성 수소를 가지는 상이한 폴리머 형성 유닛 또는 상이한 디-, 트리- 또는 다작용성 이소시아네이트 반응물을 포함한다는 점에서 상이한 폴리우레탄을 의미할 수 있고, 분자량에서 실질적으로 상이한 폴리우레탄을 의미할 수 있다. 상기 용어는 또한 폴리올레핀, 폴리비닐클로라이드, 폴리비닐알코올, 나일론, 아라미드, 아크릴레이트 또는 분자량, 모노머 유형 또는 상용성 면에서 실질적으로 상이한 다른 폴리머 유형과 같은 상이한 폴리머를 의미한다. 폴리머의 조합은 용매로부터 폴리머 블렌드의 방사를 통해 달성된다.
Claims (58)
- 폴리우레탄을 포함하는 제1 폴리머 및 제2 폴리머의 블렌드를 포함하는 미세 섬유(fine fiber)로서, 여기서 상기 제1 폴리머 1 중량부 당 상기 제2 폴리머 0.1 내지 0.99 중량부가 존재하고, 여기서 상기 섬유는 0.001 내지 5 마이크론의 직경을 가지고 또한 상기 제1 폴리머 및 상기 제2 폴리머는 방사시(as spun) 혼화될 수 있으나 상기 섬유는 상기 제1 폴리머 및 상기 제2 폴리머의 특성을 모두 가지는, 미세 섬유.
- 청구항 1에 있어서, 상기 미세 섬유는 상기 제1 폴리머 단독으로 제조된 섬유에 비해 개선된 내용융성을 가지는, 미세 섬유.
- 청구항 1에 있어서, 상기 섬유는 입자를 점착시키기 위한 끈적끈적한(tacky) 표면을 가지는, 미세 섬유.
- 청구항 1에 있어서, 상기 제2 폴리머는 부가 폴리머 또는 축합 폴리머인, 미세 섬유.
- 청구항 1에 있어서, 상기 제1 폴리머는 폴리우레탄을 포함하는, 미세 섬유.
- 청구항 1에 있어서, 입자를 추가로 포함하는, 미세 섬유.
- 청구항 1에 있어서, 상기 섬유는 상기 제1 폴리머 및 상기 제2 폴리머의 용액으로부터 전기방사된(electrospun) 것인, 미세 섬유.
- 청구항 7에 있어서, 상기 섬유는 상기 섬유가 전기방사되는, 용매의 비등점에 상응하는 온도에서 용융되지 않는 것인, 미세 섬유.
- 청구항 7에 있어서, 상기 섬유는 지지층 상에 전기방사되어 전기방사 섬유층을 형성하는 것인, 미세 섬유.
- 청구항 9에 있어서, 상기 미세 섬유 직경은 0.01 내지 2 마이크론이고, 상기 전기방사 섬유층의 두께는 상기 미세 섬유 직경의 1 내지 100배인, 미세 섬유.
- 청구항 9에 있어서, 상기 전기방사 섬유층은 상기 미세섬유의 다중층인, 미세 섬유.
- 폴리아미드 폴리머 및 폴리우레탄 폴리머의 블렌드를 포함하는 미세 섬유로서, 여기서 상기 폴리우레탄 폴리머 1 중량부 당 상기 폴리아미드 폴리머 0.1 내지 0.99 중량부가 존재하고, 여기서 상기 섬유는 0.001 내지 5 마이크론의 직경을 가지고 또한 상기 폴리아미드 및 상기 폴리우레탄은 방사시 혼화될 수 있으나 상기 섬유는 제1 폴리머 및 제2 폴리머의 특성을 모두 가지는, 미세 섬유.
- 청구항 12에 있어서, 상기 폴리아미드 폴리머는 나일론인, 미세 섬유.
- 청구항 12에 있어서, 상기 폴리아미드 및 상기 폴리우레탄의 조합은 상기 폴리우레탄의 용융에 대해 증가된 내온성(temperature resistance)을 제공하는, 미세 섬유.
- (a) 폴리우레탄을 포함하는 제1 폴리머, 및 제2 폴리머의 용액을 형성하는 단계;(b) 미세 섬유층을 형성하기 위해 상기 용액을 기재 상에 전기방사하는 단계;(c) 상기 층으로부터 모든 용매를 제거하기 위해 상기 층을 충분히 건조시키는 단계를 포함하는 미세 섬유층을 형성하는 방법.
- 청구항 15에 있어서, 상기 제2 폴리머는 폴리아미드인, 미세 섬유층을 형성하는 방법.
- 청구항 16에 있어서, 상기 폴리아미드는 나일론인, 미세 섬유층을 형성하는 방법.
- 청구항 15에 있어서, 상기 용액은 지지층 상에 전기방사되는, 미세 섬유층을 형성하는 방법.
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
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| US77322706P | 2006-02-13 | 2006-02-13 | |
| US60/773,227 | 2006-02-13 | ||
| US11/703,490 | 2007-02-07 | ||
| US11/703,490 US7981509B2 (en) | 2006-02-13 | 2007-02-07 | Polymer blend, polymer solution composition and fibers spun from the polymer blend and filtration applications thereof |
| PCT/US2007/003756 WO2007095219A2 (en) | 2006-02-13 | 2007-02-12 | Polymer blend, polymer solution composition and fibers spun from the polymer blend and filtration applications thereof |
Publications (2)
| Publication Number | Publication Date |
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| KR20080094951A KR20080094951A (ko) | 2008-10-27 |
| KR101358552B1 true KR101358552B1 (ko) | 2014-02-06 |
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| KR1020087022378A Active KR101358552B1 (ko) | 2006-02-13 | 2007-02-12 | 폴리머 블렌드, 폴리머 용액 조성물 및 상기 폴리머 블렌드로부터 방사된 섬유 및 이의 여과 적용 |
Country Status (6)
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| US (2) | US7981509B2 (ko) |
| JP (1) | JP4944133B2 (ko) |
| KR (1) | KR101358552B1 (ko) |
| CN (1) | CN101389793B (ko) |
| DE (1) | DE112007000361B4 (ko) |
| WO (1) | WO2007095219A2 (ko) |
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- 2007-02-12 KR KR1020087022378A patent/KR101358552B1/ko active Active
- 2007-02-12 CN CN2007800068500A patent/CN101389793B/zh active Active
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Also Published As
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|---|---|
| CN101389793A (zh) | 2009-03-18 |
| WO2007095219A3 (en) | 2008-05-08 |
| KR20080094951A (ko) | 2008-10-27 |
| JP2009526917A (ja) | 2009-07-23 |
| US8247069B2 (en) | 2012-08-21 |
| WO2007095219A2 (en) | 2007-08-23 |
| JP4944133B2 (ja) | 2012-05-30 |
| US7981509B2 (en) | 2011-07-19 |
| DE112007000361T5 (de) | 2009-01-02 |
| US20110226690A1 (en) | 2011-09-22 |
| US20070190319A1 (en) | 2007-08-16 |
| CN101389793B (zh) | 2013-03-27 |
| DE112007000361B4 (de) | 2018-03-22 |
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