JP6468660B2 - 熱伝導性シリコーン組成物および電気・電子機器 - Google Patents
熱伝導性シリコーン組成物および電気・電子機器 Download PDFInfo
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Description
、前記R1と同様のアルキル基、シクロアルキル基、アリール基、アラルキル基、ハロゲン化アルキル基等の脂肪族不飽和結合を有さない一価炭化水素基が例示され、好ましくは、アルキル基、アリール基であり、特に好ましくは、メチル基、フェニル基である。特に、本発明の熱伝導性シリコーン組成物が硬化性の場合、一分子中に少なくとも平均0.5個以上、20個未満のアルケニル基を有することが好ましい。このアルケニル基の結合位置は限定されず、分子鎖末端、分子鎖側鎖のいずれであってもよい。
適である。これらの粉体及び/又はファイバーとして、カップリング剤として知られている各種表面処理剤により処理されているものを用いてもよい。(B)成分の粉体及び/又はファイバーを処理するための表面処理剤としては、界面活性剤、シランカップリング剤、アルミニウム系カップリング剤及びシリコーン系表面処理剤などが挙げられる。特に、後述する(D)成分及び/又は(B)成分を、25℃における粘度が20〜100mPa・sの分子鎖両末端にシラノール基を有するオルガノポリシロキサン、特に好適には、分子鎖両末端にシラノール基を有し、分子中に当該末端シラノール基以外の反応性官能基を有しないジメチルポリシロキサンにより表面処理することにより、比較的低温かつ短時間で硬化させた場合の初期接着性に優れ、硬化後は、特に接着耐久性に優れ及び高い接着強度を実現でき、かつ、1液型の硬化性組成物とした場合、十分な使用可能時間(保存期間および取り扱い作業時間)を確保できる場合がある。
0〜200℃の温度で加熱混合することが好ましい。特に、(A)成分はアルコキシシリル含有基を有するオルガノポリシロキサンであり、(B)成分の表面処理を促進するため、上記の加熱混合と同時にあるいは上記の加熱混合のほかに、酢酸、リン酸などの酸性物質や、トリアルキルアミン、4級アンモニウム塩類、アンモニアガス、炭酸アンモニウムなどの塩基性物質を触媒量添加してもよい。
Claims (8)
- (A) (i)(a1)一分子中に、少なくとも1個のケイ素原子結合の一般式:
(式中、R1は同じかまたは異なる、脂肪族不飽和結合を有さない一価炭化水素基であり、R2はアルキル基であり、R3は同じかまたは異なるアルキレン基であり、aは0〜2の整数であり、pは1〜50の整数である。)で表されるアルコキシシリル含有基を有し、更に平均で一分子中に少なくとも0.5個のアルケニル基を有するオルガノポリシロキサン、または
(ii)該(a1)成分と(a2)一分子中に少なくとも2個のアルケニル基を有し、前記アルコキシシリル含有基を有さないオルガノポリシロキサンとの混合物であり、該混合物中、(a1)成分の含有量は10以上100質量%未満である混合物
のいずれか 100質量部、および
(B)熱伝導性充填剤 400〜3,500質量部
を含有してなる、硬化性熱伝導性シリコーン組成物。 - (B)成分の平均粒子径が0.01〜100μmである、請求項1または請求項2記載の硬化性熱伝導性シリコーン組成物。
- (B)成分が、金属系粉末、金属酸化物系粉末、金属窒化物系粉末、または炭素粉末である、請求項1〜3のいずれか記載の硬化性熱伝導性シリコーン組成物。
- (B)成分が、銀粉末、アルミニウム粉末、酸化アルミニウム粉末、酸化亜鉛粉末、窒化アルミニウム粉末またはグラファイトである、請求項1〜4のいずれか記載の硬化性熱伝導性シリコーン組成物。
- (B)成分が、(B1)平均粒径が0.1〜30μmである板状の窒化ホウ素粉末、(B2)平均粒径が0.1〜50μmである顆粒状の窒化ホウ素粉末、(B3)平均粒径が0.01〜50μmである球状及び/若しくは破砕状の酸化アルミニウム粉末、又は(B4)平均粒径が0.01〜50μmであるグラファイト、或いはこれらの2種類以上の混合物である、請求項1〜5のいずれか記載の硬化性熱伝導性シリコーン組成物。
- 請求項1〜6のいずれか記載の硬化性熱伝導性シリコーン組成物からなる部材を備えた電気・電子機器。
- 請求項1〜6のいずれか記載の硬化性熱伝導性シリコーン組成物からなる電気・電子機器用の放熱部材。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014079875 | 2014-04-09 | ||
| JP2014079875 | 2014-04-09 | ||
| PCT/JP2015/001762 WO2015155948A1 (ja) | 2014-04-09 | 2015-03-26 | 熱伝導性シリコーン組成物および電気・電子機器 |
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| Publication Number | Publication Date |
|---|---|
| JPWO2015155948A1 JPWO2015155948A1 (ja) | 2017-04-13 |
| JP6468660B2 true JP6468660B2 (ja) | 2019-02-13 |
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| JP2016512584A Active JP6468660B2 (ja) | 2014-04-09 | 2015-03-26 | 熱伝導性シリコーン組成物および電気・電子機器 |
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| Country | Link |
|---|---|
| US (1) | US10150902B2 (ja) |
| EP (1) | EP3141583B1 (ja) |
| JP (1) | JP6468660B2 (ja) |
| KR (1) | KR102348372B1 (ja) |
| CN (1) | CN106414613B (ja) |
| TW (1) | TWI656175B (ja) |
| WO (1) | WO2015155948A1 (ja) |
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| DE102015202158A1 (de) * | 2015-02-06 | 2016-08-11 | Technische Universität München | Verzweigte Organosiloxane als Wärmeträgerflüssigkeit |
| US11254849B2 (en) | 2015-11-05 | 2022-02-22 | Momentive Performance Materials Japan Llc | Method for producing a thermally conductive polysiloxane composition |
| JP6610429B2 (ja) | 2016-05-24 | 2019-11-27 | 信越化学工業株式会社 | 熱伝導性シリコーン組成物、その硬化物及びその製造方法 |
| WO2018016566A1 (ja) | 2016-07-22 | 2018-01-25 | モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 | 熱伝導性ポリシロキサン組成物 |
| KR102362116B1 (ko) | 2016-07-22 | 2022-02-11 | 모멘티브 파포만스 마테리아루즈 쟈판 고도가이샤 | 열전도성 폴리오가노실록산 조성물용 표면 처리제 |
| JP6616344B2 (ja) * | 2017-03-24 | 2019-12-04 | 株式会社豊田中央研究所 | 熱伝導性複合材料 |
| US11359124B2 (en) * | 2017-05-31 | 2022-06-14 | Momentive Performance Materials Japan Llc | Thermally conductive polysiloxane composition |
| US20200157350A1 (en) * | 2017-05-31 | 2020-05-21 | Momentive Performance Materials Japan Llc | Thermally conductive polyorganosiloxane composition |
| EP3666781B1 (en) * | 2017-08-10 | 2024-11-27 | Shin-Etsu Chemical Co., Ltd. | Organosilicon compound and thermosetting heat conductive silicone composition |
| JP7222983B2 (ja) * | 2017-09-29 | 2023-02-15 | ダウ シリコーンズ コーポレーション | 充填剤を含むシリコーン組成物 |
| JP6919716B2 (ja) * | 2017-11-09 | 2021-08-18 | 信越化学工業株式会社 | 熱伝導性シリコーングリース組成物 |
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| JP7325324B2 (ja) | 2019-12-23 | 2023-08-14 | 信越化学工業株式会社 | 熱伝導性シリコーン組成物 |
| JP6942907B1 (ja) * | 2020-07-07 | 2021-09-29 | 富士高分子工業株式会社 | 熱伝導性シリコーンゲル組成物、熱伝導性シリコーンゲルシート及びその製造方法 |
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| CN114698378B (zh) * | 2020-10-28 | 2023-04-14 | 美国陶氏有机硅公司 | 三烷氧基官能化支化硅氧烷组合物 |
| EP4026862B1 (en) * | 2020-11-16 | 2023-08-16 | Fuji Polymer Industries Co., Ltd. | Thermally conductive silicone composition, sheet using same, and production method therefor |
| CN115397944A (zh) * | 2021-01-25 | 2022-11-25 | 富士高分子工业株式会社 | 导热性有机硅润滑脂组合物及其制造方法 |
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| JP2009221311A (ja) * | 2008-03-14 | 2009-10-01 | Momentive Performance Materials Inc | 熱伝導性グリース組成物 |
| JP6014299B2 (ja) * | 2008-09-01 | 2016-10-25 | 東レ・ダウコーニング株式会社 | 熱伝導性シリコーン組成物及び半導体装置 |
| JP2011140566A (ja) * | 2010-01-07 | 2011-07-21 | Dow Corning Toray Co Ltd | 熱伝導性シリコーングリース組成物 |
| CN101775216A (zh) | 2010-02-09 | 2010-07-14 | 绵阳惠利电子材料有限公司 | 一种高导热有机硅复合物的生产方法 |
| KR102041096B1 (ko) * | 2012-07-30 | 2019-11-07 | 다우 실리콘즈 코포레이션 | 열 전도성 축합 반응 경화성 폴리오가노실록산 조성물 및 조성물의 제조 방법 및 사용 방법 |
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2015
- 2015-03-26 US US15/302,555 patent/US10150902B2/en active Active
- 2015-03-26 KR KR1020167031212A patent/KR102348372B1/ko active Active
- 2015-03-26 CN CN201580030470.5A patent/CN106414613B/zh active Active
- 2015-03-26 EP EP15776323.6A patent/EP3141583B1/en active Active
- 2015-03-26 WO PCT/JP2015/001762 patent/WO2015155948A1/ja not_active Ceased
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|---|---|
| EP3141583A4 (en) | 2018-02-28 |
| TW201542695A (zh) | 2015-11-16 |
| CN106414613A (zh) | 2017-02-15 |
| JPWO2015155948A1 (ja) | 2017-04-13 |
| KR20160143783A (ko) | 2016-12-14 |
| TWI656175B (zh) | 2019-04-11 |
| US10150902B2 (en) | 2018-12-11 |
| CN106414613B (zh) | 2019-12-27 |
| EP3141583B1 (en) | 2021-03-10 |
| KR102348372B1 (ko) | 2022-01-11 |
| WO2015155948A1 (ja) | 2015-10-15 |
| US20170081578A1 (en) | 2017-03-23 |
| EP3141583A1 (en) | 2017-03-15 |
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