KR100814860B1 - 열가소성 복합 판재 및 그 제조 방법 - Google Patents
열가소성 복합 판재 및 그 제조 방법 Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
번호 | 폭(㎜) | 깊이(㎜) | 피크 부하(N) | 피크에서의 연신율(㎜) | 인장강도 (kgf/㎝2) | 극한인장강도(㎫) | 인장모듈(㎬) | |
그룹 Ⅰ | 1 | 8.1 | 1.0 | 3058 | 4.0 | 3850 | >378 | 16.3 |
2 | 8.5 | 0.96 | 3100 | 4.0 | 3875 | >380 | 16.1 | |
3 | 7.4 | 1.1 | 2860 | 3.7 | 3540 | >352 | 16.3 | |
그룹 Ⅱ | 1 | 7.3 | 0.55 | 1651 | 4.6 | 4190 | >411 | 15.0 |
2 | 7.3 | 0.54 | 1728 | 5.2 | 4500 | >441 | 15.8 | |
3 | 7.4 | 0.55 | 1682 | 5.1 | 4220 | >413 | 15.3 |
구분 | 면 충격 크랙개시 에너지(주울) | 면충격 에너지 (주울) | 굽힘 탄성율 (kgf/㎝2) | 굽힘 강도 (kgf/㎝2) | 아이조드 충격강도 (kgfㆍ㎝/㎝) | 유리섬유 중량비율 (%) | 밀도 (g/cc) |
실시예 | 28 편차 3 | 42 편차 3 | 110,000 편차 10,000 | 2,700 편차 400 | 135 편차 30 | 40 | 1.2 |
비교예 | 10 편차 3 | 24 편차 4 | 52,318 편차9,250 | 1,437 편차 424 | 70 편차 20 | 42 | 1.22 |
Dynatub (속도10.3m/sec, 충격에너지167J) | ASTM D790 | ASTM D790 |
구분 | 면충격 크랙개시 에너지(주울) | 면충격 에너지 (주울) | 굽힘 탄성율(kgf/㎝2) | 굽힘강도(kgf/㎝2) | 아이조드 충격강도 (kgfㆍ㎝/㎝) | 유리섬유 중량비율 (%) | 밀도 (g/cc) |
실시예2 | 28 | 39 | 87,000 | 2,183 | 100 | 40 | 1.2 |
비교예2-1 | 15 | 31 | 68,000 | 2,070 | 84 | 42 | 1.22 |
비교예2-2 | 4.7 | 13 | 65,000 | 1,347 | 40 | 40 | 1.2 |
Dynatub (속도10.3m/sec, 충격에너지167J) | ASTM D790 | ASTM D790 |
구분 | 선열팽창 계수(/K) | 굽힘탄성율 (kgf/cm2) | 굽힘 강도 (kgf/cm2) | 아이조드 충격강도 Unnoched (kgfㆍ㎝/㎝) | 유리섬유 중량비율(%) |
실시예 3 | 1.2×10-5 | 34,000 | 750 | 60 | 3.3 |
비교예 3-1 | 4.5×10-5 | 20,500 | 400 | 13 | 0 |
비교예 3-2 | 3.5×10-5 | 32,500 | 540 | 40 | 6.7 |
비교예 3-3 | 4.8×10-5 | 26,000 | 450 | 18 | 3.3 |
구 분 | 선열팽창계수 (/K) | 굽힘 탄성율 (kgf/cm2) | 아이조드충격강도 Unnoched (kgf/cm2) | 유리섬유 중량비율(%) | 밀도 (g/cc) |
실시예 4 | 1.2×10-5 | 28,000 | 40 | 3.3 | 0.63 |
비교예 4 | 4.8×10-5 | 29,000 | 25 | 10 | 0.71 |
Claims (20)
- 열가소성 수지를 포함하는 열가소성 복합 재료 중심층; 및상기 열가소성 복합 재료 중심층의 상부 및 하부면 중 하나 이상의 면에 적층되고, 5 내지 65wt%의 강화 섬유 및 95 내지 35wt%의 열가소성 수지를 포함하는 강화 연속 섬유 함침 프리프레그 층;을 포함하는 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항에 있어서, 상기 중심층은 1 내지 30㎜의 평균 길이를 가지는 5 내지 50wt%의 강화 섬유를 포함하는 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항에 있어서, 상기 중심층은 15 내지 30wt%의 무기 충전재를 포함하는 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항에 있어서, 상기 중심층은 20 내지 40wt%의 목분 및 왕겨 중 하나 이상을 포함하는 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항에 있어서, 상기 강화 연속 섬유 함침 프리프레그 층에 융착되고,열가소성 수지; 또는 강화 섬유를 최대 54wt% 그리고 열가소성 수지를 적어도 46wt%로 함유하는 조성물;로 이루어지는 보호층을 더 포함하는 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항 또는 제 5 항에 있어서, 상기 열가소성 복합 재료 중심층은 발포층인 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항 또는 제 5 항에 있어서, 상기 열가소성 수지는 폴리프로필렌, 폴리에틸렌, 폴리아마이드, 폴리에스터, 및 폴리페닐렌설파이드로 이루어진 군으로부터 하나 이상 선택되는 것을 특징으로 하는 열가소성 복합 판재.
- 제 2 항에 있어서, 상기 강화 섬유는 유리 섬유, 아라미드 섬유, 천연 섬유, 폴리에스테르 섬유, 및 폴리아미드 섬유들로 이루어지는 군으로부터 하나 이상 선택되는 것을 특징으로 하는 열가소성 복합 판재.
- 제 3 항에 있어서, 상기 무기 충전재는 탄산칼슘, 중공 비드, 탈크, 마이카, 울라스토나이트, 황화 아연, 및 활성탄으로 이루어지는 군으로부터 하나 이상 선택되는 것을 특징으로 하는 열가소성 복합 판재.
- 제 1 항 또는 제 5 항에 있어서, 상기 강화 연속 섬유 함침 프리프레그 층은 일방성 구조 및 이방성 구조 중 하나로 만들어지는 것을 특징으로 하는 열가소성 복합 판재.
- (i) 열가소성 수지를 포함하는 열가소성 복합 재료를 용융 압출하여 열가소성 복합 재료 중심층을 준비하는 단계; 및(ii) 5 내지 65wt%의 강화 섬유 및 95 내지 35wt%의 열가소성 수지를 포함하는 강화 연속 섬유 함침 프리프레그를 제공하여 상기 열가소성 복합 재료 중심층의 하나 이상의 면에 강화 연속 섬유 함침 프리프레그 층을 압착하여 열가소성 복합 판재를 얻는 단계;를 포함하는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항에 있어서, 상기 중심층은 1 내지 30㎜의 평균 길이를 가지는 5 내지 50wt%의 강화 섬유를 포함하는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항에 있어서, 상기 중심층은 15 내지 30wt%의 무기 충전재를 포함하는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항에 있어서, 상기 중심층은 20 내지 40wt%의 목분 및 왕겨 중 하나 이상을 포함하는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항에 있어서, (iii) 상기 강화 연속 섬유 함침 프리프레그 층에,열가소성 수지; 또는 강화 섬유를 최대 54wt%, 그리고 열가소성 수지를 적어도 46wt%로 함유하는 조성물;을 용융 압출하여,상기 강화 연속 섬유 함침 프레그 층에 보호층으로서 융착하는 단계;를 더 포함하는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항 또는 제 15 항에 있어서, 상기 열가소성 복합 재료 중심층은 발포층인 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항 또는 제 15 항에 있어서, 상기 열가소성 수지는 폴리프로필렌, 폴리에틸렌, 폴리아마이드, 폴리에스터, 및 폴리페닐렌설파이드로 이루어진 군으로부터 하나 이상 선택되는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 12 항에 있어서, 상기 강화 섬유는 유리 섬유, 아라미드 섬유, 천연 섬유, 폴리에스테르 섬유, 및 폴리아미드 섬유들로 이루어진 군으로부터 하나 이상 선택되는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 13 항에 있어서, 상기 무기 충전재는 탄산칼슘, 중공 비드, 탈크, 마이카, 울라스토나이트, 황화 아연, 및 활성탄으로 이루어진 군으로부터 하나 이상 선택되는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
- 제 11 항 또는 제 15 항에 있어서, 상기 강화 연속 섬유 함침 프리프레그 층은 일방성 구조 및 이방성 구조 중 하나로 만들어지는 것을 특징으로 하는 열가소성 복합 판재 제조 방법.
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KR101484371B1 (ko) * | 2012-08-17 | 2015-01-20 | (주)엘지하우시스 | 열가소성 수지 함침 연속섬유 포함 적층체 및 그 제조 방법 |
KR20160053136A (ko) * | 2014-10-31 | 2016-05-13 | 한화첨단소재 주식회사 | 아라미드와 폴리프로필렌의 결합력을 향상시킨 프리프레그 조성물 및 이를 이용하여 제조된 고인장력 복합소재 |
KR101652720B1 (ko) | 2014-10-31 | 2016-09-01 | 한화첨단소재 주식회사 | 아라미드와 폴리프로필렌의 결합력을 향상시킨 프리프레그 조성물 및 이를 이용하여 제조된 고인장력 복합소재 |
KR20160071199A (ko) | 2014-12-11 | 2016-06-21 | 현대자동차주식회사 | 자동차 시트 프레임용 하이브리드 복합재 |
KR20190009893A (ko) | 2017-07-20 | 2019-01-30 | 박성탁 | 차량 시트백 인몰드용 부직포 및 그의 제조방법 |
KR20190057665A (ko) * | 2017-11-20 | 2019-05-29 | (주)엘지하우시스 | 적층체 및 이를 포함하는 성형품 |
KR102217436B1 (ko) | 2017-11-20 | 2021-02-18 | (주)엘지하우시스 | 적층체 및 이를 포함하는 성형품 |
KR20210035151A (ko) * | 2017-12-20 | 2021-03-31 | (주)엘지하우시스 | 연속섬유 강화 복합재를 표면층으로 포함하는 샌드위치 패널 |
KR102340130B1 (ko) * | 2017-12-20 | 2021-12-15 | (주)엘엑스하우시스 | 연속섬유 강화 복합재를 표면층으로 포함하는 샌드위치 패널 |
Also Published As
Publication number | Publication date |
---|---|
KR20060045871A (ko) | 2006-05-17 |
WO2005105435A1 (en) | 2005-11-10 |
KR20060045872A (ko) | 2006-05-17 |
KR100814861B1 (ko) | 2008-03-20 |
US20070202314A1 (en) | 2007-08-30 |
US8303743B2 (en) | 2012-11-06 |
CN1960865B (zh) | 2012-01-25 |
CN1960865A (zh) | 2007-05-09 |
US20110162777A1 (en) | 2011-07-07 |
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