KR20200088443A - 부직포, 및 이것을 표피재로서 이용한 복합 흡음재 - Google Patents
부직포, 및 이것을 표피재로서 이용한 복합 흡음재 Download PDFInfo
- Publication number
- KR20200088443A KR20200088443A KR1020207017818A KR20207017818A KR20200088443A KR 20200088443 A KR20200088443 A KR 20200088443A KR 1020207017818 A KR1020207017818 A KR 1020207017818A KR 20207017818 A KR20207017818 A KR 20207017818A KR 20200088443 A KR20200088443 A KR 20200088443A
- Authority
- KR
- South Korea
- Prior art keywords
- nonwoven fabric
- less
- fiber layer
- layer
- laminated
- 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
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (15)
- 평균 섬유 직경 0.3 ㎛ 이상 7 ㎛ 이하, 단위 중량 1 g/㎡ 이상 40 g/㎡ 이하의 적어도 1층의 극세 섬유층(M)과, 평균 섬유 직경 10 ㎛ 이상 30 ㎛ 이하의 적어도 1층의 연속 장섬유층(S)이 부분 열압착에 의해 일체화된 적층 구조를 갖는 부직포로서, 상기 연속 장섬유층(S)이 폴리에스테르(A 성분) 97.0 중량% 이상 99.9 중량% 이하와, 유리 전이점 온도 114℃ 이상 160℃ 이하의 열가소성 수지(B 성분) 0.1 중량% 이상 3.0 중량% 이하를 함유하는 장섬유로 구성되고, 또한 상기 극세 섬유층(M)의 부피 밀도가 0.35 g/㎤ 이상 0.70 g/㎤ 이하인 것을 특징으로 하는 부직포.
- 평균 섬유 직경 0.3 ㎛ 이상 7 ㎛ 이하, 단위 중량 1 g/㎡ 이상 40 g/㎡ 이하의 적어도 1층의 극세 섬유층(M)과, 평균 섬유 직경 10 ㎛ 이상 30 ㎛ 이하의 적어도 1층의 연속 장섬유층(S)이 부분 열압착에 의해 일체화된 적층 구조를 갖는 부직포로서, 상기 연속 장섬유층(S)이 복굴절률 0.04 이상 0.07 이하의 장섬유로 구성되고, 또한 상기 극세 섬유층(M)의 부피 밀도가 0.35 g/㎤ 이상 0.70 g/㎤ 이하인 것을 특징으로 하는 부직포.
- 제1항에 있어서, 상기 A 성분이 폴리에틸렌테레프탈레이트이고, 또한 상기 B 성분이 폴리아크릴레이트계 수지인 부직포.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 부직포는, 타층의 융점보다 30℃ 이상 낮은 융점을 갖는 섬유를 포함하는 연속 장섬유층을 그 표면에 갖는 부직포.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 부직포의 단위 중량이 20 g/㎡ 이상 150 g/㎡ 이하이고, 또한 두께가 2 ㎜ 이하인 부직포.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 열압착 면적률이 6% 이상 30% 이하인 부직포.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 극세 섬유층(M)과 상기 연속 장섬유층(S)이 모두 폴리에스테르계 섬유로 구성되는 부직포.
- 제1항 내지 제7항 중 어느 한 항에 기재된 부직포를 적층한 적층 부직포.
- 제8항에 있어서, 상기 극세 섬유층(M)을 2층 이상 포함하고, 상기 극세 섬유층(M) 각각의 사이에 상기 연속 장섬유층(S)이 1층 이상 배치되어 있으며, 또한 상기 극세 섬유층(M) 각각의 사이의 거리가 30 ㎛ 이상 200 ㎛ 이하인 적층 부직포.
- 제8항 또는 제9항에 있어서, 열압착에 의해 일체화된 SM형 또는 SMS형의 적층 구조를 갖는 부직포가 2장 이상 적층 일체화된 것인 적층 부직포.
- 제8항 내지 제10항 중 어느 한 항에 있어서, 상기 극세 섬유층(M)과 상기 연속 장섬유층(S) 사이 또는 상기 연속 장섬유층(S)끼리의 사이의 섬유끼리의 접착이 점접착인 적층 부직포.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 흡음재의 표피재로서 이용하기 위한 부직포.
- 제8항 내지 제11항 중 어느 한 항에 있어서, 흡음재의 표피재로서 이용하기 위한 적층 부직포.
- 제1항 내지 제7항 중 어느 한 항에 기재된 부직포 또는 제8항 내지 제11항 중 어느 한 항에 기재된 적층 부직포와, 연속 기포 수지 발포체 또는 섬유 다공질재가 적층되어 있는 복합 흡음재.
- 제14항에 있어서, JIS A 1405에 준거하는 수직 입사의 측정법에 있어서 표피재측으로부터 입사하는 소리의 주파수 1000 ㎐, 1600 ㎐, 2000 ㎐, 2500 ㎐, 3150 ㎐, 및 4000 ㎐에 있어서의 평균 흡음율(%)이, 상기 흡음 기재 단체(單體)의 것보다 45% 이상 높은 복합 흡음재.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2017-246588 | 2017-12-22 | ||
| JP2017246351 | 2017-12-22 | ||
| JPJP-P-2017-246351 | 2017-12-22 | ||
| JP2017246588 | 2017-12-22 | ||
| JPJP-P-2018-004214 | 2018-01-15 | ||
| JP2018004214 | 2018-01-15 | ||
| PCT/JP2018/045985 WO2019124231A1 (ja) | 2017-12-22 | 2018-12-13 | 不織布、及びこれを表皮材として用いた複合吸音材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200088443A true KR20200088443A (ko) | 2020-07-22 |
| KR102343534B1 KR102343534B1 (ko) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020207017818A Active KR102343534B1 (ko) | 2017-12-22 | 2018-12-13 | 부직포, 및 이것을 표피재로서 이용한 복합 흡음재 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20200316906A1 (ko) |
| EP (1) | EP3730684B1 (ko) |
| JP (1) | JP6826213B2 (ko) |
| KR (1) | KR102343534B1 (ko) |
| CN (1) | CN111527253A (ko) |
| TW (1) | TW201937029A (ko) |
| WO (1) | WO2019124231A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102508953B1 (ko) | 2021-10-21 | 2023-03-13 | (주)하도웨버스 | 폴리에틸렌테레프탈레이트/폴리프로필렌 복합 멜트블로운 흡음재 제조 장치 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3896205B1 (en) * | 2018-12-13 | 2023-03-01 | Asahi Kasei Kabushiki Kaisha | Non-woven cloth, layered non-woven cloth comprising said non-woven cloth, and composite sound-absorbing material in which layered non-woven cloth is used as skin material |
| TWI741403B (zh) * | 2019-11-04 | 2021-10-01 | 黃振正 | 可易回收薄層物 |
| KR20220160115A (ko) * | 2020-05-19 | 2022-12-05 | 아사히 가세이 가부시키가이샤 | 복합 흡음재 |
| JP7555202B2 (ja) * | 2020-06-17 | 2024-09-24 | 株式会社イノアックコーポレーション | 防音材 |
| KR102294294B1 (ko) * | 2020-11-17 | 2021-08-27 | 엔브이에이치코리아(주) | 자동차용 흡음재의 성형방법 |
| JP2022117661A (ja) * | 2021-02-01 | 2022-08-12 | 旭化成株式会社 | 吸音表皮材 |
| US20240301600A1 (en) * | 2021-02-02 | 2024-09-12 | Toray Industries, Inc. | Non-woven-fabric layered body for sound-absorbing material, and sound-absorbing material |
| JP2022135554A (ja) * | 2021-03-05 | 2022-09-15 | 旭化成株式会社 | 遮音シート及び防音シート |
| JP2023032679A (ja) * | 2021-08-27 | 2023-03-09 | 旭化成株式会社 | 吸音表皮材、及びそれを含む吸音材 |
| JP2024032161A (ja) * | 2022-08-29 | 2024-03-12 | セイコーエプソン株式会社 | 防音シートの製造方法、および防音シート |
| CN116005491A (zh) * | 2023-01-06 | 2023-04-25 | 中国航空制造技术研究院 | 一种耐高温、柔性宽频吸声隔热材料及其制备方法 |
| CN119277249A (zh) * | 2024-09-29 | 2025-01-07 | 歌尔股份有限公司 | 吸音组件、发声装置及电子设备 |
| KR102797022B1 (ko) | 2025-01-16 | 2025-04-22 | 이상수 | 소음 및 진동 차단을 위한 복합 적층체 |
| KR102907661B1 (ko) * | 2025-04-18 | 2026-01-05 | 주식회사 엘티에스 | 광대역 흡·차음 복합 구조 및 상기 구조와 메타물질 기술을 기반으로 한 흡·차음 복합재 |
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- 2018-12-13 US US16/955,141 patent/US20200316906A1/en not_active Abandoned
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- 2018-12-13 EP EP18892655.4A patent/EP3730684B1/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201937029A (zh) | 2019-09-16 |
| US20230150230A1 (en) | 2023-05-18 |
| EP3730684A1 (en) | 2020-10-28 |
| EP3730684A4 (en) | 2021-01-13 |
| EP3730684B1 (en) | 2022-02-02 |
| WO2019124231A1 (ja) | 2019-06-27 |
| JP6826213B2 (ja) | 2021-02-03 |
| JPWO2019124231A1 (ja) | 2020-11-26 |
| CN111527253A (zh) | 2020-08-11 |
| KR102343534B1 (ko) | 2021-12-28 |
| US20200316906A1 (en) | 2020-10-08 |
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