KR100738285B1 - 보강용 다축 스티치 기재 및 섬유 강화 플라스틱 그리고그 제조방법 - Google Patents
보강용 다축 스티치 기재 및 섬유 강화 플라스틱 그리고그 제조방법 Download PDFInfo
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Abstract
Description
본 발명의 보강용 다축 스티치 기재의 제조방법에 있어서, 상기 유체는 공기인 것이 바람직하다.
스티치실(6)은 기재(1)의 형태를 유지할 수 있으면, 될 수 있는 한 가는 섬유인 것이, 기재(1)의 표면에 나타나는 스티치실(6)에 의한 기재(1)의 표면에 형성되는 요철이 작게 되기 때문에 바람직하다.
Claims (27)
- 토우형태의 복수개의 탄소섬유사가 서로 병렬로 배열되어 이루어지는 복수장의 시트가, 각각의 시트의 탄소섬유사 배열방향이, 기준방향에 대해서 다른 각도로서 적층된 상태에서, 스티치실로 일체화된 스티치 기재로서, 상기 토우형태의 탄소섬유사의 섬도가 1,200 내지 17,000Tex의 범위이고, 상기 탄소섬유사의 배열 피치가, 8 내지 60 mm의 범위이며, 상기 탄소섬유사의 각각은 실폭이 탄소섬유사의 배열피치로 넓혀진 상태로 배열되어 이루어지는 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항에 있어서, 상기 탄소섬유사의 배열피치가 20 내지 60mm의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 탄소섬유사의 실폭이 원래의 실폭의 2배이상인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 3항에 있어서, 상기 탄소섬유사의 실폭이 원래의 실폭의 2배이상, 5배이하인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 탄소섬유사의 후크드롭치가 4 내지 80cm의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 탄소섬유사에 사이징제가 부여되고, 상기 사이징제의 부착량이 0.2 내지 1.5중량%의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 6항에 있어서, 상기 사이징제의 부착량이, 0.2 내지 0.6 중량%의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 시트의 탄소섬유사의 단위중량이 50 내지 300g/m2의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 8항에 있어서, 상기 단위중량이 100 내지 200g/m2의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 복수장의 시트중 한장 이상의 시트는, 상기 스티치실이 연장하는 방향에 대하여 0°의 각도로 상기 탄소섬유사가 배열되어 이루어지고, 상기 복수장의 시트중 한장 이상의 시트는, 상기 스티치실이 연장하는 방향에 대하여 90°의 각도로 상기 탄소섬유사가 배열되어 이루어지는 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 복수장의 시트중 한장 이상의 시트는, 상기 스티치실이 연장하는 방향에 대하여 +45°의 각도로 상기 탄소섬유사가 배열되어 이루어지고, 상기 복수장의 시트중 한장 이상의 시트는, 상기 스티치실이 연장하는 방향에 대하여 -45°의 각도로 상기 탄소섬유사가 배열되어 이루어지는 것을 특징으로 하는 보강용 다축 스티치 기재.
- 제 1항 또는 제 2항에 있어서, 상기 스티치 기재중에, 보강섬유로 이루어지는 부직포가 한 층 이상이 포함되어 있는 것을 특징으로 하는 보강용 다축 스티치 기재.
- 매트릭스 수지와, 제 1항 또는 제 2항에 기재된 보강용 다축 스티치 기재를 포함하여 이루어지는 것을 특징으로 하는 섬유강화플라스틱.
- 섬도가 1,200 내지 17,000Tex 범위의 토우형태의 복수개의 탄소섬유사를, 배열피치가 8내지 60mm의 범위에서, 하나의 방향으로 각 탄소섬유사의 실폭을 상기 배열피치로 넓힌 상태로 배열하는 탄소섬유사 배열공정, 배열된 탄소섬유사를 사용하여 탄소섬유사의 단위중량이 50 내지 300g/m2 범위의 시트를 작성하는 시트작성공 정, 탄소섬유사의 배열방향이, 기준방향에 대하여 다른 각도가 되도록 작성된 시트의 복수장을 적층하는 시트적층공정 및, 얻어진 시트의 적층체를 스티치실에 의해 스티치하여 일체화하는 일체화 공정을 포함하여 이루어지는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 14항에 있어서, 상기 단위중량이 100 내지 200g/m2의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 14항 또는 제 15항에 있어서, 상기 탄소섬유사 배열공정에 있어서, 상기 탄소섬유사가 주행방향으로 설치된 복수개의 확폭로울러를 통과함으로써 굴곡을 받으면서 그 실폭을 넓히는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 16항에 있어서, 상기 복수개의 확폭로울러중 한개 이상의 로울러가 로울러 축방향으로 진동하는 진동로울러이고, 그 진동에 의해 그 곳을 통과하는 탄소섬유사의 실폭을 넓히는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 17항에 있어서, 상기 진동로울러의 진동사이클이 10 내지 100Hz의 범위인 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 14항 또는 제 15항에 있어서, 상기 시트작성 공정은 복수개의 확폭로울러로 이루어지는 제1 확폭로울러장치와 복수개의 확폭로울러로 이루어지는 제2 확폭로울러장치가 사용되고, 소정의 공급 배열피치로 줄지어져 공급되는 다수개의 탄소섬유사를, 한개씩 교대로 상기 제1 확폭로울러장치와 상기 제2 확폭로울러장치에 공급하고, 각각의 확폭로울러장치에 있어서, 상기 탄소섬유사의 실폭을 상기 공급 배열피치 보다 넓은 실폭으로 넓힌 후, 각각의 확폭로울러장치로부터 도출된 각각의 탄소섬유사가 인접하여 위치해서 이루어지는 시트를 형성하는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 14항 또는 제 15항에 있어서, 상기 탄소섬유사 배열공정과 상기 시트작성공정 사이에 있어서, 탄소섬유사에 유체를 분사함으로써 실폭을 넓히는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 20항에 있어서, 상기 유체가 공기인 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 21항에 있어서, 상기 공기의 분사가, 상기 탄소섬유사의 배향방향에 병행하여, 1열 이상 배열된 복수의 분사구멍으로부터 행하여지는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 20항에 있어서, 상기 유체를 분사시킬 때에, 상기 배열된 탄소섬유사 상에 다공성인 가이드를 설치하고, 그 위로부터 해당 유체를 분사하는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 23항에 있어서, 상기 다공성인 가이드의 하면이 상기 배열된 탄소섬유사의 상면에 접촉하고 있는 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 14항 또는 제 15항에 있어서, 상기 배열 후의 탄소섬유사의 실폭이 상기 탄소섬유사의 원래의 실폭의 2배 이상인 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 25항에 있어서, 상기 배열후의 탄소섬유사의 실폭이 상기 탄소섬유사의 원래의 실폭의 2배이상, 5배이하인 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
- 제 14항 또는 제 15항에 있어서, 상기 시트에 있어서의 탄소섬유사의 배향각이, 상기 스티치실이 연장되는 방향에 대하여, 0°, ±45°, 및 90°로부터 선택된 2개 이상의 각도인 것을 특징으로 하는 보강용 다축 스티치 기재의 제조방법.
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EP (1) | EP1174533B1 (ko) |
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KR (1) | KR100738285B1 (ko) |
AU (1) | AU768434B2 (ko) |
CA (1) | CA2370846C (ko) |
DE (1) | DE60136135D1 (ko) |
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- 2001-02-27 TW TW090104541A patent/TW546431B/zh not_active IP Right Cessation
- 2001-02-27 KR KR1020017013807A patent/KR100738285B1/ko not_active Expired - Fee Related
- 2001-02-27 DE DE60136135T patent/DE60136135D1/de not_active Expired - Lifetime
- 2001-02-27 EP EP01908116A patent/EP1174533B1/en not_active Expired - Lifetime
- 2001-02-27 WO PCT/JP2001/001449 patent/WO2001063033A1/ja active Application Filing
- 2001-02-27 US US09/958,046 patent/US6599610B2/en not_active Expired - Lifetime
- 2001-02-27 AU AU35982/01A patent/AU768434B2/en not_active Ceased
- 2001-10-26 NO NO20015248A patent/NO318345B1/no not_active IP Right Cessation
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US5042122A (en) * | 1990-02-26 | 1991-08-27 | Board Of Trustees Operating Michigan State University | Method and system for spreading a tow of fibers |
EP0630735A2 (en) * | 1993-05-25 | 1994-12-28 | Basf Corporation | Reinforcing composite items with composite thermoplastic staple fibers |
EP0837162A1 (en) * | 1996-05-01 | 1998-04-22 | Fukui Prefecture | Multi-filament split-yarn sheet, and method and device for the manufacture thereof |
US6599610B2 (en) * | 2000-02-28 | 2003-07-29 | Toray Industries, Inc. | Multiaxially stitched base material for reinforcing and fiber reinforced plastic, and method for preparing them |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017204558A1 (ko) * | 2016-05-25 | 2017-11-30 | (주)엘지하우시스 | 보강 복합재 및 이를 포함하는 물품 |
KR101923381B1 (ko) | 2016-05-25 | 2018-11-30 | (주)엘지하우시스 | 보강 복합재 및 이를 포함하는 물품 |
Also Published As
Publication number | Publication date |
---|---|
NO318345B1 (no) | 2005-03-07 |
JP4534409B2 (ja) | 2010-09-01 |
NO20015248D0 (no) | 2001-10-26 |
AU768434B2 (en) | 2003-12-11 |
DE60136135D1 (de) | 2008-11-27 |
CA2370846A1 (en) | 2001-08-30 |
EP1174533A4 (en) | 2006-06-07 |
AU3598201A (en) | 2001-09-03 |
EP1174533B1 (en) | 2008-10-15 |
KR20020005732A (ko) | 2002-01-17 |
WO2001063033A1 (fr) | 2001-08-30 |
NO20015248L (no) | 2001-10-26 |
US20020160146A1 (en) | 2002-10-31 |
TW546431B (en) | 2003-08-11 |
EP1174533A1 (en) | 2002-01-23 |
CA2370846C (en) | 2007-06-26 |
US6599610B2 (en) | 2003-07-29 |
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