KR20200098551A - 테이프형 프리프레그 및 그의 제조 방법 - Google Patents
테이프형 프리프레그 및 그의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는, 롤러 형상의 부품에 의한 테이프형 프리프레그 와인딩 구조의 냉각 기구의 일례의 모식도.
도 3은, 롤러 형상의 부품에 의한 테이프형 프리프레그 협지 구조의 냉각 기구의 일례의 모식도.
도 4는, 플레이트 형상의 부품에 의한 테이프형 프리프레그 접촉 구조의 냉각 기구의 일례의 모식도.
도 5는, 롤러 형상의 부품과 플레이트 형상의 부품의 병용에 의한 테이프형 프리프레그 협지 구조의 냉각 기구의 일례의 모식도.
101: 강화 섬유
102: 보빈
103: 사도 가이드
104: 조
105: 피더
106: 배출구
107: 열가소성 수지 조성물
108: 냉각 기구
109: 인취 롤
110: 테이프형 프리프레그
111: 권취 롤
200: 롤러 형상의 부품을 1개 사용한 경우의 롤러 형상의 부품에 의한 테이프형 프리프레그 와인딩 구조의 냉각 기구
201: 테이프형 프리프레그
202: 롤러 형상의 부품
203: 롤러 형상의 부품을 2개 사용한 경우의 롤러 형상의 부품에 의한 테이프형 프리프레그 와인딩 구조의 냉각 기구
204: 롤러 형상의 부품을 4개 사용한 경우의 롤러 형상의 부품에 의한 테이프형 프리프레그 와인딩 구조의 냉각 기구
300: 롤러 형상의 부품을 2개 사용한 경우의 롤러 형상의 부품에 의한 테이프형 프리프레그 협지 구조의 냉각 기구
301: 테이프형 프리프레그
302: 롤러 형상의 부품
303: 롤러 형상의 부품을 4개 사용한 경우의 롤러 형상의 부품에 의한 테이프형 프리프레그 협지 구조의 냉각 기구
400: 플레이트 형상의 부품을 1개 사용한 경우의 플레이트 형상의 부품에 의한 테이프형 프리프레그 협지 구조의 냉각 기구
401: 테이프형 프리프레그
402: 플레이트 형상의 부품
403: 플레이트 형상의 부품을 2개 사용한 경우의 플레이트 형상의 부품에 의한 테이프형 프리프레그 협지 구조의 냉각 기구
404: 플레이트 형상의 부품을 4개 사용한 경우의 플레이트 형상의 부품에 의한 테이프형 프리프레그 협지 구조의 냉각 기구
500: 롤러 형상의 부품과, 플레이트 형상의 부품을 각각 1개씩 사용한 경우의 냉각 기구
501: 테이프형 프리프레그
502: 롤러 형상의 부품
503: 플레이트 형상의 부품
504: 롤러 형상의 부품과, 플레이트 형상의 부품을 각각 2개씩 사용한 경우의 냉각 기구
Claims (22)
- 일방향으로 배향된 강화 섬유, 및 열가소성 수지 조성물을 포함하는 테이프형 프리프레그이며,
상기 강화 섬유의 배향 방향과 직교하는 방향에 있어서의, JIS B 0601:2013에 기초하여 측정되는 산술 평균 조도(Ra)가 0.1 내지 10㎛, 또한 하기 (i) 내지 (iii)에 의해 구해지는 휨률이 5% 이하인, 테이프형 프리프레그.
(i) 섬유 배향 방향의 길이가 100mm인 상기 테이프형 프리프레그를 평면 상에 단부가 상방으로 들뜨는 방향으로 정치한다.
(ii) 상기 상방으로 들뜬 테이프의 우측단의 가장 높은 위치에서부터 평면까지의 수직 거리를 a, 좌측단의 가장 높은 위치에서부터 평면까지의 수직 거리를 b라고 하고, a와 b의 산술 평균값을 휨 길이로 규정한다.
(iii) 하기 식으로 휨률을 산출한다.
휨률(%)=휨 길이(mm)/100(mm)×100 - 제1항에 있어서, 두께가 0.05 내지 15mm인, 테이프형 프리프레그.
- 제1항 또는 제2항에 있어서, 상기 강화 섬유의 섬유 체적 함유율이 30 내지 70%인, 테이프형 프리프레그.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 공극률이 5체적% 이하인, 테이프형 프리프레그.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 열가소성 수지 조성물이 폴리아미드 수지 조성물인, 테이프형 프리프레그.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 강화 섬유가 탄소 섬유인, 테이프형 프리프레그.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 강화 섬유의 배향 방향과 직교하는 방향에 있어서의, JIS B 0601:2013에 기초하여 측정되는 굴곡 곡선의 최대 단면 높이(Wt)가 80㎛ 이하인, 테이프형 프리프레그.
- 일방향으로 배향된 강화 섬유, 및 열가소성 수지 조성물을 포함하는 테이프형 프리프레그이며,
상기 강화 섬유의 배향 방향과 직교하는 방향에 있어서의, JIS B 0601:2013에 기초하여 측정되는 굴곡 곡선의 최대 단면 높이(Wt)가 80㎛ 이하, 또한 하기 (i) 내지 (iii)에 의해 구해지는 휨률이 5% 이하인, 테이프형 프리프레그.
(i) 섬유 배향 방향의 길이가 100mm인 상기 테이프형 프리프레그를 평면 상에 단부가 상방으로 들뜨는 방향으로 정치한다.
(ii) 상기 상방으로 들뜬 테이프의 우측단의 가장 높은 위치에서부터 평면까지의 수직 거리를 a, 좌측단의 가장 높은 위치에서부터 평면까지의 수직 거리를 b라고 하고, a와 b의 산술 평균값을 휨 길이로 규정한다.
(iii) 하기 식으로 휨률을 산출한다.
휨률(%)=휨 길이(mm)/100(mm)×100 - 용융 상태의 열가소성 수지 조성물을, 입구부 및 출구부를 갖는 조 내에서, 상기 조의 입구부로부터 도입된 복수의 연속 강화 섬유에 함침시키고,
상기 조의 출구부를 통과시킨 후에, 냉각 기구를 통과시켜, 상기 열가소성 수지 조성물과 복수의 연속 강화 섬유를 포함하는 테이프형 프리프레그를 제조하는 방법에 있어서,
상기 냉각 기구의 흡열 능력을 Pc[W]라고 하고, 상기 냉각 기구를 1초간 통과하는 상기 테이프형 프리프레그의 체적을 Qp[㎥/s]라고 하였을 때, 상기 Pc와 Qp가 하기 식 (A)를 충족하는, 테이프형 프리프레그의 제조 방법.
2.8×108≤Pc/Qp≤23.2×108 … (A) - 제8항에 있어서, 상기 냉각 기구를 구성하는 냉각용 부품으로서, 롤러 형상인 것을 1개 또는 복수개 사용하는, 테이프형 프리프레그의 제조 방법.
- 제8항에 있어서, 상기 냉각 기구를 구성하는 냉각용 부품으로서, 플레이트 형상인 것을 1개 또는 복수개 사용하는, 테이프형 프리프레그의 제조 방법.
- 제8항에 있어서, 상기 냉각 기구를 구성하는 냉각용 부품으로서, 롤러 형상인 것 및 플레이트 형상인 것을 각각 1개 또는 복수개씩 사용하는, 테이프형 프리프레그의 제조 방법.
- 제8항 내지 제11항 중 어느 한 항에 있어서, 상기 냉각 기구를 구성하는 냉각용 부품의 온도를 변경 가능한, 테이프형 프리프레그의 제조 방법.
- 제12항에 있어서, 상기 냉각 기구를 구성하는 냉각용 부품을 복수개 사용하고,
상기 냉각 기구를 구성하는 각 냉각용 부품의 온도를 각각 독립적으로 변경 가능한, 테이프형 프리프레그의 제조 방법. - 제8항 내지 제13항 중 어느 한 항에 있어서, 상기 냉각 기구가 대향하도록 설치된 적어도 2개의 냉각용 부품을 갖고, 그 부품의 사이를 상기 테이프형 프리프레그가 통과하는, 테이프형 프리프레그의 제조 방법.
- 제15항에 있어서, 상기 2개의 냉각용 부품의 사이의 거리를 임의로 규정 가능한, 테이프형 프리프레그의 제조 방법.
- 제15항 또는 제16항에 있어서, 상기 2개의 냉각용 부품을 규정의 위치에 고정하는 힘을 임의로 설정 가능한, 테이프형 프리프레그의 제조 방법.
- 제9항 내지 제17항 중 어느 한 항에 있어서, 상기 냉각 기구를 통과하여 고화된 테이프형 프리프레그를 권취하는, 테이프형 프리프레그의 제조 방법.
- 제9항 내지 제18항 중 어느 한 항에 있어서, 복수의 테이프형 프리프레그를 병렬하여, 동시에 주행시키는, 테이프형 프리프레그의 제조 방법.
- 제9항 내지 제19항 중 어느 한 항에 있어서, 상기 열가소성 수지 조성물이 함침된 복수의 연속 강화 섬유는, 상기 조의 출구부를 통과할 때, 주행 방향을 따라 일방향으로 배열되는, 테이프형 프리프레그의 제조 방법.
- 제9항 내지 제20항 중 어느 한 항에 있어서, 상기 열가소성 수지 조성물이 폴리아미드 수지 조성물인, 테이프형 프리프레그의 제조 방법.
- 제9항 내지 제21항 중 어느 한 항에 있어서, 상기 연속 강화 섬유의 재료가 탄소 섬유인, 테이프형 프리프레그의 제조 방법.
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| KR102621342B1 (ko) | 2024-01-08 |
| EP3730264B1 (en) | 2022-08-24 |
| EP3730264A4 (en) | 2021-09-01 |
| EP3730264A1 (en) | 2020-10-28 |
| US11938655B2 (en) | 2024-03-26 |
| JPWO2019124203A1 (ja) | 2020-10-22 |
| CN111491769B (zh) | 2022-07-22 |
| CN111491769A (zh) | 2020-08-04 |
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| WO2019124203A1 (ja) | 2019-06-27 |
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