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公开(公告)号:JP2008274036A
公开(公告)日:2008-11-13
申请号:JP2007116598
申请日:2007-04-26
Applicant: Shin Etsu Chem Co Ltd , 信越化学工業株式会社
Inventor: MATSUMOTO NOBUAKI , YAMADA KUNIHIRO , MIYOSHI TAKASHI , SAKURAI IKUO , ISOBE KENICHI
IPC: C10M169/00 , C10M105/76 , C10M107/50 , C10M125/02 , C10M125/04 , C10M125/10 , C10M125/20 , C10M125/26 , C10M143/08 , C10N20/00 , C10N20/02 , C10N30/00 , C10N40/00 , C10N50/10
CPC classification number: H01L23/3737 , C10M111/04 , C10M169/02 , C10M2201/0416 , C10M2201/0606 , C10M2201/0616 , C10M2201/0626 , C10M2201/1013 , C10M2203/0213 , C10M2203/022 , C10M2227/04 , C10M2229/041 , C10M2229/0415 , C10M2229/046 , C10N2210/02 , C10N2210/03 , C10N2220/022 , C10N2220/082 , C10N2230/08 , C10N2230/74 , C10N2240/20 , C10N2240/201 , C10N2240/202 , C10N2250/10 , H01L2924/0002 , C10N2220/028 , H01L2924/00
Abstract: PROBLEM TO BE SOLVED: To provide a very easily treatable silicone grease composition capable of being easily, uniformly and thinly coated, having extremely improved preservation stability at room temperature, and also exhibiting heat radiation characteristics.
SOLUTION: The silicone grease composition for heat radiation comprises (A) 0-30 mass% organopolysiloxane represented by general formula (1): R
1
a SiO
(4-a)/2 (1) (wherein, R
1 is a monovalent hydrocarbon group; and 1.8≤a≤2.2), and having 50-500,000 mm
2 /s dynamic viscosity at 25°C, (B) 0-30 mass% organopolysiloxane represented by general formula (2) (wherein, R
2 is a monovalent hydrocarbon group; R
3 is an alkyl group, an alkoxyalkyl group, an alkenyl group or an acyl group; n is 5-100 and b is 1-3) [with the proviso that the total of the components (A) and (B) is 3-30 mass%], (C) 60-96.9 mass% thermoconductive filler having ≥10 W/m°C thermal conductivity, and (D) 0.1-10 mass% slightly volatile isoparaffin compound capable of dispersing or dissolving the components (A) and (B), and having 260-360°C boiling point (with the proviso that the total of the components (A) to (D) is 100 mass%) as essential components.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题:提供一种易于均匀和薄涂层的非常容易处理的硅润滑脂组合物,其在室温下的保存稳定性极好地提高,并且还具有散热特性。 解决方案:用于散热的硅氧烷润滑脂组合物包含(A)0-30质量%的由通式(1)表示的有机基聚硅氧烷:R
1 SB> SiO (1)(其中,R 1是一价烃基,1.8≤a≤2.2),并且具有50-500,000mm (B)0-30质量%的由通式(2)表示的有机基聚硅氧烷(其中,R 2是一价烃基; R 2 = SP> 3 SP>是烷基,烷氧基烷基,烯基或酰基; n为5-100,b为1-3)(条件是组分(A)和 (B)为3-30质量%],(C)60〜96.9质量%的导热率≥10W/ m℃的导热性填料,(D)能够分散或溶解的0.1-10质量%的挥发性异构烷烃化合物 组分(A)和(B),并且具有260-360℃的沸点(条件是组分(A)至(D)的总量为100质量%))作为必要组分。 版权所有(C)2009,JPO&INPIT -
公开(公告)号:JP4054923B2
公开(公告)日:2008-03-05
申请号:JP7440698
申请日:1998-03-23
Applicant: 日本精工株式会社
IPC: C10M169/00 , C10M101/02 , C10M105/06 , C10M107/06 , C10M125/30 , C10M135/18 , C10M169/06 , C10N10/04 , C10N30/06 , C10N40/02 , C10N50/10 , F16C33/66
CPC classification number: F16C33/6633 , C10M113/02 , C10M113/08 , C10M115/08 , C10M119/24 , C10M125/02 , C10M125/10 , C10M135/18 , C10M169/06 , C10M2201/00 , C10M2201/04 , C10M2201/041 , C10M2201/0416 , C10M2201/042 , C10M2201/0426 , C10M2201/0606 , C10M2201/061 , C10M2201/0616 , C10M2201/062 , C10M2201/0626 , C10M2201/063 , C10M2201/065 , C10M2201/0656 , C10M2201/066 , C10M2201/0666 , C10M2201/0806 , C10M2201/0856 , C10M2201/0866 , C10M2201/0876 , C10M2201/1013 , C10M2201/102 , C10M2201/1026 , C10M2201/103 , C10M2201/16 , C10M2201/18 , C10M2205/02 , C10M2207/04 , C10M2207/125 , C10M2207/129 , C10M2215/006 , C10M2215/026 , C10M2215/0813 , C10M2215/1013 , C10M2215/102 , C10M2215/1026 , C10M2215/121 , C10M2215/2206 , C10M2215/2275 , C10M2219/066 , C10M2219/068 , C10N2210/01 , C10N2210/02 , C10N2210/04 , C10N2240/02
Abstract: The present invention provides a grease composition which is excellent in peel resistance, not to mention lubricity, as compared with the prior art products. A novel grease composition for rolling bearing is provided, comprising a base oil, an extender, an inorganic compound-based filler having an average particle diameter of not more than 2 mum and zinc dithiocarbamate.
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