KR100954768B1 - 열전도성 성형체 및 그 제조방법 - Google Patents
열전도성 성형체 및 그 제조방법 Download PDFInfo
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- KR100954768B1 KR100954768B1 KR1020030022391A KR20030022391A KR100954768B1 KR 100954768 B1 KR100954768 B1 KR 100954768B1 KR 1020030022391 A KR1020030022391 A KR 1020030022391A KR 20030022391 A KR20030022391 A KR 20030022391A KR 100954768 B1 KR100954768 B1 KR 100954768B1
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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
배합성분 | 자속밀도 (테스라) | 열저항 (℃/W) | I(002) /I(110) | I(002) /I(100) | |||
매트릭스 | 탄소 단섬유 | 기타 | |||||
실시예1 | 실리콘고무 100중량부 | 110중량부 | - | 10 | 0.20 | 0.07 | 0.09 |
실시예2 | 실리콘고무 100중량부 | 110중량부 | - | 6 | 0.28 | 0.40 | 0.58 |
비교예1 | 실리콘고무 100중량부 | 110중량부 | - | - | 0.95 | 67.0 | 101.6 |
비교예2 | 실리콘고무 100중량부 | 110중량부 | - | 2 | 0.45 | 17.0 | 38.5 |
실시예3 | 에폭시수지 100중량부 | 40중량부 | 질화붕소 10중량부 | 10 | 0.22 | 0.18 | 0.21 |
비교예3 | 에폭시수지 100중량부 | 40중량부 | 질화붕소 10중량부 | 1 | 0.52 | 12.5 | 22.8 |
실시예4 | 폴리이미드 바니쉬 100중량부 | 40중량부 | 구상알루미나 40중량부 | 0.5 | 0.22 | 0.95 | 2.18 |
비교예4 | 폴리이미드 바니쉬 100중량부 | 40중량부 | 구상알루미나 40중량부 | 0.1 | 1.02 | 47.5 | 98.3 |
실시예5 | 실리콘고무 100중량부 | 8중량부 | - | - | 0.15 | 0.12 | 0.19 |
비교예5 | 실리콘고무 100중량부 | 8중량부 | - | - | 0.62 | 90.7 | 205.5 |
Claims (20)
- 매트릭스; 그리고상기 매트릭스 내에 존재하는 탄소 단섬유를 포함하고 있으며,미리 정해진 방향을 따라서 열전도성 성형체에 X 선을 조사하였을 때 야기되는, 탄소의 (110)면의 회절 피크의 강도 I(110)와 탄소의 (002)면의 회절 피크의 강도 I(002)와의 비 I(002)/I(110)는 1 이하이며,상기 열전도성 성형체는 강자성 물질을 함유하지 않는 것을 특징으로 하는 열전도성 성형체.
- 제 1 항에 있어서, 비 I(002)/I(110)는 0.4 이하인 것을 특징으로 하는 열전도성 성형체.
- 제 1 항 또는 제 2 항에 있어서, 상기 탄소 단섬유는 섬유축방향을 따라서 200W/m·K 이상의 열전도율을 가지는 것을 특징으로 하는 열전도성 성형체.
- 제 1 항 또는 제 2 항에 있어서, 상기 매트릭스는 고분자 매트릭스, 금속 매트릭스, 세라믹 매트릭스, 및 탄소 매트릭스로부터 선택되는 것을 특징으로 하는 열전도성 성형체.
- 제 4 항에 있어서, 상기 고분자 매트릭스를 형성하는 매트릭스 재료는 열가소성 수지, 열가소성 엘라스토머, 경화성 수지, 및 가교 고무로부터 선택되는 것을 특징으로 하는 열전도성 성형체.
- 제 1 항 또는 제 2 항에 있어서, 열전도성 성형체 중의 상기 탄소 단섬유의 양은 상기 매트릭스를 형성하는 상기 매트릭스 재료 100중량부에 대하여 5 내지 400중량부인 것을 특징으로 하는 열전도성 성형체.
- 제 1 항 또는 제 2 항에 있어서, 열전도성 성형체는 상기 미리 정해진 방향에 있어서 0.3℃/W 이하의 열저항값을 가지는 것을 특징으로 하는 열전도성 성형체.
- 매트릭스; 그리고상기 매트릭스 내에 존재하는 탄소 단섬유를 포함하고 있으며,미리 정해진 방향을 따라서 열전도성 성형체에 X 선을 조사하였을 때 야기되는, 탄소의 (100)면의 회절 피크의 강도 I(100)와 탄소의 (002)면의 회절 피크의 강도 I(002)와의 비 I(002)/I(100)는 2.18 이하이며,상기 열전도성 성형체는 강자성 물질을 함유하지 않는 것을 특징으로 하는 열전도성 성형체.
- 제 8 항에 있어서, 비 I(002)/I(100)는 1 이하인 것을 특징으로 하는 열전도성 성형체.
- 제 8 항 또는 제 9 항에 있어서, 상기 탄소 단섬유는 섬유축방향을 따라서 200W/m·K 이상의 열전도율을 가지는 것을 특징으로 하는 열전도성 성형체.
- 제 8 항 또는 제 9 항에 있어서, 상기 매트릭스는 고분자 매트릭스, 금속 매트릭스, 세라믹 매트릭스, 및 탄소 매트릭스로부터 선택되는 것을 특징으로 하는 열전도성 성형체.
- 제 11 항에 있어서, 상기 고분자 매트릭스를 형성하는 매트릭스 재료는 열가소성 수지, 열가소성 엘라스토머, 경화성 수지, 및 가교 고무로부터 선택되는 것을 특징으로 하는 열전도성 성형체.
- 제 8 항 또는 제 9 항에 있어서, 열전도성 성형체 중의 상기 탄소 단섬유의 양은 상기 매트릭스를 형성하는 상기 매트릭스 재료 100중량부에 대하여 5 내지 400중량부인 것을 특징으로 하는 열전도성 성형체.
- 제 8 항 또는 제 9 항에 있어서, 열전도성 성형체는 상기 미리 정해진 방향에 있어서 0.3℃/W 이하의 열저항값을 가지는 것을 특징으로 하는 열전도성 성형체.
- 삭제
- 삭제
- 삭제
- 삭제
- 성형되었지만 경화되지 않은 혼합물을 조제하기 위해서 소정의 방식으로 매트릭스 재료와 탄소 단섬유를 서로 혼합함으로써 준비되는 혼합물을 형성하는 단계;미리 정해진 방향을 따라서 열전도성 성형체에 X 선을 조사하였을 때 야기되는, 탄소의 (110)면의 회절 피크의 강도 I(110)와 탄소의 (002)면의 회절 피크의 강도 I(002)와의 비 I(002)/I(110)가 1 이하로 되도록, 혼합물 내의 탄소 단섬유를 배향시키기 위해서 성형되었지만 경화되지 않은 혼합물에 전기장이나 자기장을 인가하는 단계; 그리고성형되었지만 경화되지 않은 혼합물을 경화시키는 단계를 포함하며,상기 혼합물은 강자성 물질을 함유하지 않으며,상기 혼합물 내의 탄소 단섬유의 배향은 6 내지 10 테스라의 자기장을 상기 혼합물에 인가하여 얻어지는 것을 특징으로 하는 열전도성 성형체의 제조방법.
- 제 19 항에 있어서, 비 I(002)/I(100)는 0.4 이하인 것을 특징으로 하는 열전도성 성형체의 제조방법.
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JP2002108213A JP2003301048A (ja) | 2002-04-10 | 2002-04-10 | 熱伝導性成形体 |
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EP1464676B2 (en) * | 2001-12-17 | 2020-05-13 | Daikin Industries, Ltd. | Crosslinkable elastomer composition and formed product comprising the same |
JP2003301048A (ja) * | 2002-04-10 | 2003-10-21 | Polymatech Co Ltd | 熱伝導性成形体 |
JP2004175926A (ja) * | 2002-11-27 | 2004-06-24 | Polymatech Co Ltd | 熱伝導性エポキシ樹脂成形体及びその製造方法 |
WO2005040066A1 (ja) * | 2003-10-29 | 2005-05-06 | Sumitomo Precision Products Co., Ltd. | カーボンナノチューブ分散複合材料とその製造方法並びにその適用物 |
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KR100998286B1 (ko) | 2010-12-03 |
EP1352922A2 (en) | 2003-10-15 |
KR20100027203A (ko) | 2010-03-10 |
TWI311573B (en) | 2009-07-01 |
JP2003301048A (ja) | 2003-10-21 |
TW200307000A (en) | 2003-12-01 |
US7291381B2 (en) | 2007-11-06 |
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