KR101756608B1 - 재료 쉬트 및 이의 제조 방법 - Google Patents
재료 쉬트 및 이의 제조 방법 Download PDFInfo
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- KR101756608B1 KR101756608B1 KR1020167011522A KR20167011522A KR101756608B1 KR 101756608 B1 KR101756608 B1 KR 101756608B1 KR 1020167011522 A KR1020167011522 A KR 1020167011522A KR 20167011522 A KR20167011522 A KR 20167011522A KR 101756608 B1 KR101756608 B1 KR 101756608B1
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- Engineering & Computer Science (AREA)
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
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Abstract
Description
도 2는 단층 두께 대비 방탄 성능을 나타낸 그래프이다.
도 3은 섬유의 부분 용융 재결정화에 따른 흡열 효과의 존재를 나타내는 시차 주사 열계량 분광도이다.
도 4는 섬유의 용융 재결정화 부재에 따른 흡열 효과의 부재를 나타내는 시차 주사 열계량 분광도이다.
Claims (16)
- 둘 이상의 일체성 단층을 포함하는 상호결합된 섬유들을 갖는 일체성 재료 쉬트(material sheet)로서,
상기 일체성 재료 쉬트의 하나 이상의 일체성 단층이, 결합제가 존재하지 않고 100 ㎛ 미만의 두께를 갖고,
상기 하나 이상의 일체성 단층이 1.2 GPa보다 큰 강도를 갖는 복수의 연신된 일방향성 중합체 섬유들을 포함하고,
하나 이상의 단층 내 인접 섬유들의 80중량% 이상이 기계적 상호결속을 통해 섬유 길이의 30% 이상을 따라 함께 기계적으로 융합되어 상호결합된 섬유들을 갖는 일체성 재료 쉬트를 형성하고,
상기 섬유들이 단일 필라멘트 또는 다중 필라멘트 얀(yarn)으로부터의 필라멘트 스프레드이며,
상기 하나 이상의 단층이 개별적인 섬유의 두께의 3배 이하인 최대 두께를 갖는, 재료 쉬트. - 제 1 항에 있어서,
둘 이상의 단층을 포함하며, 이때 재료 쉬트 내 인접 단층들의 섬유 방향이 상이한, 재료 쉬트. - 제 1 항에 있어서,
상기 하나 이상의 단층이 상기 연신된 일방향성 중합체 섬유들 두께의 2배 이하의 두께를 갖는, 재료 쉬트. - 제 1 항에 있어서,
상기 결합제가 재료 쉬트 내에 존재하고, DSC(10℃/분)로 측정시, 상기 중합체 섬유들의 총 중량 대비 5중량% 미만 수준의 용융 재결정화된 섬유들을 추가로 포함하는, 재료 쉬트. - 제 1 항에 있어서,
상기 결합제가 재료 쉬트 내에 존재하고, 단층 내 섬유들을 결합시키는 결합 스트립(strip) 또는 섬유의 형태이며, 상기 결합 스트립 또는 섬유가 상기 하나 이상의 단층 내 상기 연신된 일방향성 중합체 섬유들과 상이한 방향으로 배향된, 재료 쉬트. - 제 5 항에 있어서,
상기 결합 스트립 또는 섬유가 상기 하나 이상의 단층 표면에 결합되고, 단층 표면적의 20% 이하를 차지하는, 재료 쉬트. - 제 1 항에 있어서,
상기 연신된 일방향성 중합체 섬유들이 135℃에서 데칼린 중 용액에 대해 측정 시 4 dl/g 이상의 고유 점도를 갖는 초고분자량 폴리에틸렌으로부터 제조되는, 재료 쉬트. - 제 4 항에 있어서,
상기 결합제가 폴리우레탄, 폴리비닐, 폴리아크릴, 폴리올레핀, 폴리아이소프로펜-폴리에틸렌-부틸렌-폴리스타이렌 블록 공중합체 및 폴리스타이렌-폴리아이소프렌-폴리스타이렌 블록 공중합체의 군으로부터 선택되는, 재료 쉬트. - a) 1.2 GPa보다 큰 강도를 갖는 복수의 연신된 중합체 섬유들을 일방향으로 정렬하여, 두께가 100 ㎛ 미만이고 결합제가 없는 단층을 형성하되, 상기 연신된 중합체 섬유들이 상기 단층 내의 섬유들의 80중량% 이상이 섬유 길이의 30% 이상을 따라 인접하여 접촉되도록 정렬되는 단계; 및
b) 상기 단층의 인접 섬유들이 기계적 상호결속을 통해 함께 기계적으로 융합되어 상호결합된 섬유들을 갖는 일체성 재료 쉬트를 형성하도록, 상기 재료 쉬트를 75 바(bar) 이상의 압력 하에 압축하는 단계
를 포함하는 방법으로서,
상기 섬유들이 단일 필라멘트 또는 다중 필라멘트 얀으로부터의 필라멘트 스프레드이며,
상기 단층이 개별적인 섬유의 두께의 3배 이하인 최대 두께를 갖는 방법으로부터 수득되는, 재료 쉬트. - 135℃에서 데칼린 중 용액에 대해 측정 시 4 dl/g 이상의 고유 점도를 갖는 초고분자량 폴리에틸렌으로부터 제조되는 복수의 연신된 일방향성 중합체 섬유들을 포함하는, 1 내지 250 mm의 폭을 갖는 테이프로서,
상기 테이프 내의 인접 중합체 섬유들의 80중량% 이상이 기계적 상호결속을 통해 섬유 길이의 30% 이상을 따라 기계적으로 융합되고,
상기 테이프는 결합제가 없고,
상기 섬유들이 단일 필라멘트 또는 다중 필라멘트 얀으로부터의 필라멘트 스프레드이며,
상기 테이프가 개별적인 섬유의 두께의 3배 이하인 최대 두께를 갖는, 테이프. - 제 10 항에 따른 테이프를 포함하는, 방탄 제품.
- 제 10 항에 따른 테이프를 포함하는, 직조된(woven) 방탄 제품.
- 제 1 항에 따른 재료 쉬트를 포함하는, 방탄 제품.
- 제 1 항에 따른 재료 쉬트를 포함하는, 직조된 방탄 제품.
- 삭제
- 삭제
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| TW200932968A (en) | 2009-08-01 |
| US20170082406A1 (en) | 2017-03-23 |
| CN101861508A (zh) | 2010-10-13 |
| IL204951A (en) | 2017-09-28 |
| US20180372453A1 (en) | 2018-12-27 |
| KR101618816B1 (ko) | 2016-05-09 |
| DK2205928T3 (en) | 2017-02-27 |
| US20100260968A1 (en) | 2010-10-14 |
| US10663265B2 (en) | 2020-05-26 |
| CN101861508B (zh) | 2015-05-20 |
| BRPI0819237A2 (pt) | 2016-10-11 |
| KR20160063389A (ko) | 2016-06-03 |
| TWI547608B (zh) | 2016-09-01 |
| WO2009056286A1 (en) | 2009-05-07 |
| AU2008317959B2 (en) | 2014-01-16 |
| US9541351B2 (en) | 2017-01-10 |
| EP2693159A1 (en) | 2014-02-05 |
| US11009317B2 (en) | 2021-05-18 |
| AU2008317959A1 (en) | 2009-05-07 |
| KR20100087305A (ko) | 2010-08-04 |
| DK2693159T3 (en) | 2018-03-12 |
| EP2693159B1 (en) | 2017-12-06 |
| BRPI0819237B1 (pt) | 2019-10-15 |
| EP2205928B1 (en) | 2016-11-23 |
| IL204951A0 (en) | 2010-11-30 |
| EP2205928A1 (en) | 2010-07-14 |
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