KR102570407B1 - 내열성 열전도성 조성물 및 내열성 열전도성 시트 - Google Patents
내열성 열전도성 조성물 및 내열성 열전도성 시트 Download PDFInfo
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- KR102570407B1 KR102570407B1 KR1020207036295A KR20207036295A KR102570407B1 KR 102570407 B1 KR102570407 B1 KR 102570407B1 KR 1020207036295 A KR1020207036295 A KR 1020207036295A KR 20207036295 A KR20207036295 A KR 20207036295A KR 102570407 B1 KR102570407 B1 KR 102570407B1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
- C08K5/3445—Five-membered rings
- C08K5/3447—Five-membered rings condensed with carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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Abstract
Description
2: 센서
3a, 3b: 시료
4: 센서의 선단
5: 인가 전류용 전극
6: 저항값용 전극(온도측정용 전극)
Claims (14)
- 매트릭스 수지와 열전도성 입자를 포함하는 열전도성 조성물로서,
상기 열전도성 조성물에는 내열성 향상제로서, 금속 원자를 포함하지 않는 벤즈이미다졸론계 화합물을 포함하고,
상기 열전도성 입자는, 상기 매트릭스 수지를 100질량부로 했을 때, 100∼4000 질량부 첨가되어 있고,
상기 열전도성 입자는 일부 또는 전부가 실란커플링제로 표면 처리되어 있는, 내열성 열전도성 조성물. - 제1항에 있어서,
상기 벤즈이미다졸론계 화합물은, 내열성 열전도성 조성물 100질량부에 대하여, 0.001∼5 질량부 첨가되어 있는, 내열성 열전도성 조성물. - 제1항 또는 제2항에 있어서,
상기 매트릭스 수지는, 실리콘 폴리머인, 내열성 열전도성 조성물. - 제1항 또는 제2항에 있어서,
상기 벤즈이미다졸론계 화합물은, 벤즈이미다졸론계 안료인, 내열성 열전도성 조성물. - 제1항 또는 제2항에 있어서,
상기 내열성 열전도성 조성물은, 경화 촉매를 포함하고, 상기 매트릭스 수지 성분은, 부가 경화형 실리콘 폴리머인, 내열성 열전도성 조성물. - 제1항 또는 제2항에 있어서,
상기 내열성 열전도성 조성물은, 경화 후의 아스카 C 경도가 70 이하인, 내열성 열전도성 조성물. - 제1항 또는 제2항에 있어서,
상기 열전도성 입자는, 알루미나, 산화 아연, 산화 마그네슘, 질화 알루미늄, 질화 붕소, 수산화 알루미늄 및 실리카로부터 선택되는 적어도 하나의 입자인, 내열성 열전도성 조성물. - 제1항에 있어서,
상기 실란커플링제는, 열전도성 입자 100질량부에 대하여, 0.01∼10 질량부 첨가되어 있는, 내열성 열전도성 조성물. - 제1항 또는 제2항에 있어서,
상기 내열성 열전도성 조성물은 하기 (A)∼(E) 성분을 포함하고, 가교되어 있는, 내열성 열전도성 조성물:
(A) 베이스 폴리머 성분: 1분자 중에 알케닐기가 결합한 규소원자를 평균 2개 이상 함유하는 오르가노폴리실록산
(B) 가교성분: 1분자 중에 수소 원자가 결합한 규소원자를 평균 2개 이상 함유하는 오르가노폴리실록산이, 상기 A 성분 중의 규소원자 결합 알케닐기 1몰에 대하여, 0.01∼3 몰
(C) 촉매성분: 백금족계 금속촉매이며, A 성분과 백금족계 금속촉매의 합계에 대하여 금속원자 중량단위로 0.01∼1000 ppm의 양
(D) 열전도성 입자: 부가 경화형 실리콘 폴리머 성분(A 성분+B 성분) 100질량부에 대하여 100∼4000 질량부
(E) 벤즈이미다졸론계 화합물: 내열성 열전도성 조성물 100질량부에 대하여, 0.001∼5 질량부. - 제1항 또는 제2항에 대하여,
상기 내열성 향상제는 금속원자를 포함하지 않는, 내열성 열전도성 조성물. - 제1항 또는 제2항에 기재된 내열성 열전도성 조성물은 시트로 성형되어 있는, 내열성 열전도성 시트.
- 제11항에 있어서,
상기 내열성 열전도성 시트의 열전도율은 0.8W/m·K 이상인, 내열성 열전도성 시트. - 제11항에 있어서,
상기 내열성 열전도성 시트의 두께는 0.2∼10 mm인, 내열성 열전도성 시트. - 삭제
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