KR20170085437A - 경화성 실리콘 조성물, 열전도성 경화물을 얻는 방법, 및 그 경화물을 갖는 점착 테이프 및 점착 시트 - Google Patents
경화성 실리콘 조성물, 열전도성 경화물을 얻는 방법, 및 그 경화물을 갖는 점착 테이프 및 점착 시트 Download PDFInfo
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- KR20170085437A KR20170085437A KR1020170002407A KR20170002407A KR20170085437A KR 20170085437 A KR20170085437 A KR 20170085437A KR 1020170002407 A KR1020170002407 A KR 1020170002407A KR 20170002407 A KR20170002407 A KR 20170002407A KR 20170085437 A KR20170085437 A KR 20170085437A
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- South Korea
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- thermally conductive
- cured product
- adhesive tape
- integer
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- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000011995 wilkinson's catalyst Substances 0.000 description 1
- UTODFRQBVUVYOB-UHFFFAOYSA-P wilkinson's catalyst Chemical compound [Cl-].C1=CC=CC=C1P(C=1C=CC=CC=1)(C=1C=CC=CC=1)[Rh+](P(C=1C=CC=CC=1)(C=1C=CC=CC=1)C=1C=CC=CC=1)P(C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 UTODFRQBVUVYOB-UHFFFAOYSA-P 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
본 발명은 하기 (a) 내지 (g) 성분을 포함하는 경화성 실리콘 조성물을 제공한다.
(a) 알케닐기를 갖는 오르가노폴리실록산 100질량부,
(b) 열전도성 충전제 4000 내지 13000질량부,
(c) 오르가노하이드로젠폴리실록산 (a) 성분 중의 알케닐기의 개수에 대한 (c) 성분 중의 규소 원자에 결합한 수소 원자의 개수의 비가 0.5 내지 3이 되는 양,
(d) 부가 반응 촉매 촉매량
(e) 반응 제어제 필요량
(f) 실리콘 레진 280 내지 600질량부
(g) 하기 화학식 1 또는 화학식 2로 표시되는 1 내지 3의 알콕시기를 갖는 화합물 80 내지 300질량부
(화학식 1)
(화학식 1 중, R1은 서로 독립적으로 탄소 원자수 6 내지 15의 알킬기이고, R2는 서로 독립적으로 비치환 또는 치환의 탄소 원자수 1 내지 10의 알킬기이고, R3는 서로 독립적으로 탄소 원자수 1 내지 6의 알킬기이고, a는 1 내지 3의 정수, b는 0 내지 2의 정수이며, 단 a+b는 1 내지 3의 정수임),
(화학식 2)
(화학식 2 중, R4는 서로 독립적으로 탄소 원자수 1 내지 6의 알킬기이고, c는 5 내지 100의 정수임).
Description
| 실시예 | 1 | 2 | 3 | 4 | 5 | 6 | |
| a 성분 | a-1 | 100 | - | - | - | - | 100 |
| a-2 | - | 100 | 100 | 100 | 100 | ||
| b 성분 | b-1 | 3200 | 3500 | 7600 | 9000 | 3200 | 6800 |
| b-2 | 900 | 1200 | 2800 | 3000 | 900 | 2500 | |
| c 성분 | 1.1 | 1.7 | 1.7 | 1.7 | 1.7 | 1.1 | |
| d 성분 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
| e 성분 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| f 성분 | 428 (300) |
500 (350) |
714 (500) |
800 (560) |
428 (300) |
642 (450) |
|
| g 성분 | g-1 | - | - | - | - | 100 | 200 |
| g-2 | 100 | 100 | 250 | 250 | - | - | |
| 열전도율(W/mK) | 2.6 | 2.9 | 3.4 | 3.6 | 2.6 | 2.9 | |
| 점착력(MPa) | 0.22 | 0.18 | 0.14 | 0.12 | 0.23 | 0.19 | |
| 비교예 | 1 | 2 | 3 | 4 | 5 | |
| a 성분 | a-1 | 100 | - | 100 | - | - |
| a-2 | 100 | 100 | 100 | |||
| b 성분 | b-1 | 510 | 720 | 12000 | 2000 | 2240 |
| b-2 | - | 320 | 4000 | 670 | 960 | |
| c 성분 | 1.1 | 1.7 | 1.1 | 1.7 | 1.7 | |
| d 성분 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
| e 성분 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| f 성분 | 250 (175) |
240 (168) |
714 (500) |
256 (160) |
256 (160) |
|
| g 성분 | 14 | 32 | 200 | 100 | 116 | |
| 열전도율(W/mK) | 0.5 | 1.0 | - | 2.0 | 2.9 | |
| 점착력(MPa) | 0.3 | 0.25 | - | 0.06 | 0.04 | |
Claims (7)
- 하기 (a) 내지 (g) 성분을 포함하는 경화성 실리콘 조성물:
(a) 알케닐기를 갖는 오르가노폴리실록산 100질량부,
(b) 열전도성 충전제 4000 내지 13000질량부,
(c) 오르가노하이드로젠폴리실록산 (a) 성분 중의 알케닐기의 개수에 대한 (c) 성분 중의 규소 원자에 결합한 수소 원자의 개수의 비가 0.5 내지 3이 되는 양,
(d) 부가 반응 촉매 촉매량
(e) 반응 제어제 필요량
(f) 실리콘 레진 280 내지 600질량부
(g) 하기 화학식 1 또는 화학식 2로 표시되는 1 내지 3의 알콕시기를 갖는 화합물 80 내지 300질량부
(화학식 1)
(상기 화학식 1 중, R1은 서로 독립적으로 탄소 원자수 6 내지 15의 알킬기이고, R2는 서로 독립적으로 비치환 또는 치환의 탄소 원자수 1 내지 10의 알킬기이며, R3은 서로 독립적으로 탄소 원자수 1 내지 6의 알킬기이고, a는 1 내지 3의 정수, b는 0 내지 2의 정수이며, 단 a+b는 1 내지 3의 정수임),
(화학식 2)
(상기 화학식 2 중, R4는 서로 독립적으로 탄소 원자수 1 내지 6의 알킬기이고, c는 5 내지 100의 정수임). - 제 1 항에 있어서,
열전도성 충전제가 알루미나이고, 평균입자직경 20㎛ 미만을 갖고, 입자직경 45㎛ 이상을 갖는 입자의 함유량이 0.5wt% 이하이고, 또한 입자직경 75㎛ 이상을 갖는 입자의 함유량이 0.1wt% 이하인, 경화성 실리콘 조성물. - 제 1 항 또는 제 2 항에 기재된 경화성 실리콘 조성물을 가열 경화시켜 열전도성 경화물을 얻는 방법에 있어서, 상기 경화물이 2.5W/mK 이상의 열전도율을 갖는 방법.
- 제 3 항에 있어서,
100㎛ 두께의 경화물과 알루미늄 플레이트 사이의 점착력이 0.1MPa 이상인 점착력을 갖는 열전도성 경화물을 얻는 것을 특징으로 하는 방법. - 시트 형상 기재와, 상기 기재의 적어도 1면에 적층되어 있는 제 1 항 또는 제 2 항에 기재된 경화성 실리콘 조성물의 경화물의 층을 갖는, 점착 테이프 또는 필름.
- 제 5 항에 기재된 점착 테이프 또는 필름이 상기 경화물층을 개재하여 보강층의 한쪽 면에 적층되거나, 또는 제 5 항에 기재된 점착 테이프 또는 필름의 2개가 각각 보강층의 양면에 상기 경화물층을 개재하여 적층되어 있는 제 5 항의 점착 테이프 또는 필름.
- 제 6 항에 있어서,
보강층이 폴리이미드 필름인, 점착 테이프 또는 필름.
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| CN111630084B (zh) * | 2018-01-17 | 2023-06-02 | 信越化学工业株式会社 | 导热性薄膜状固化物及其制造方法以及导热性构件 |
| KR102672352B1 (ko) * | 2018-02-15 | 2024-06-04 | 가부시끼가이샤 쓰리본드 | 열전도성 습기 경화형 수지 조성물 및 그 경화물 |
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| KR101869256B1 (ko) | 2024-12-24 |
| CN106967298B (zh) | 2021-07-06 |
| TWI719108B (zh) | 2021-02-21 |
| JP2017125138A (ja) | 2017-07-20 |
| CN106967298A (zh) | 2017-07-21 |
| TW201803920A (zh) | 2018-02-01 |
| JP6553520B2 (ja) | 2019-07-31 |
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