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Oil bleed from elastomeric thermal silicone conductive pads
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文摘
Oil bleed is a serious problem in elastomeric thermal silicone conductive pads. The components of the oil bleed and the effect of the silicone chemical parameters on the amount of oil bleed have been determined. The main components of oil bleeds are the uncrosslinked silicones in the cured resins, which include the unreacted silicone materials and the macromolecular substances produced by the hydrosilylation reaction. Cured resins with a high crosslinking density and a high molecular weight of vinyl silicone residues had a lower amount of oil bleed. In addition, a low Si-H content also reduced the amount of oil bleed.Keywordsoil bleedcrosslinking densitymolecular weightvinyl siliconeshydrosiliconesReferences1.Sim L C, Ramanan S R, Ismail H, Seetharamu K N, Goh T J. Thermal characterization of Al2O3 and ZnO reinforced silicone rubber as thermal pads for heat dissipation purposes. Thermochimica Acta, 2005, 430(1-2): 155–165CrossRefGoogle Scholar2.Rachel G. Thermal interface materials: Opportunities and challenges for developers. Translational Materials Research, 2015, 2(2): 020301CrossRefGoogle Scholar3.Kim E S, Kim E J, Shim J H, Yoon J S. Thermal stability and ablation properties of silicone rubber composites. Journal of Applied Polymer Science, 2008, 110(2): 1263–1270CrossRefGoogle Scholar4.Jiang Q, Wang X, Zhu Y T, Hui D, Qiu Y P. Mechanical, electrical and thermal properties of aligned carbon nanotube/polyimide composites. Composites. Part B, Engineering, 2014, 56: 408–412CrossRefGoogle Scholar5.Crawford B, Doherty A P, Spedding P L, Herron W, Proctor M. Viscosity of siloxane gum and silicone rubbers. Asia-Pacific Journal of Chemical Engineering, 2010, 5(6): 882–894CrossRefGoogle Scholar6.Salam M H, El-Gamal S, El-Maqsoud D M, Abd Mohsen M. Correlation of electrical and swelling properties with nano freevolume structure of conductive silicone rubber composites. Polymer Composites, 2013, 34(12): 2105–2115CrossRefGoogle Scholar7.Zha J W, Zhu Y H, Li W K, Bai J B, Dang Z M. Low dielectric permittivity and high thermal conductivity silicone rubber composites with micro-nano-sized particles. Applied Physics Letters, 2012, 101(6): 062905CrossRefGoogle Scholar8.Zhou W Y, Wang C F, An Q L, Ou H Y. Thermal properties of heat conductive silicone rubber filled with hybrid fillers. Journal of Composite Materials, 2008, 42(2): 173–187CrossRefGoogle Scholar9.Chen L F, Xie H Q. Silicon oil based multiwalled carbon nanotubes nanofluid with optimized thermal conductivity enhancement. Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 2009, 352(1-3): 136–140CrossRefGoogle Scholar10.Kemaloglu S, Ozkoc G, Aytac A. Properties of thermally conductive micro and nano size boron nitride reinforced silicon rubber composites. Thermochimica Acta, 2010, 499(1-2): 40–47CrossRefGoogle Scholar11.Cheng J P, Liu T, Zhang J, Wang B B, Ying J, Liu F, Zhang X B. Influence of phase and morphology on thermal conductivity of alumina particle/silicone rubber composites. Applied Physics. A, Materials Science & Processing, 2014, 117(4): 1985–1992CrossRefGoogle Scholar12.Mi Y N, Liang G Z, Gu A J, Zhao F P, Yuan L. Thermally conductive aluminum nitride-multiwalled carbon nanotube/cyanate ester composites with high flame retardancy and low dielectric loss. Industrial & Engineering Chemistry Research, 2013, 52(9): 3342–3353CrossRefGoogle Scholar13.Li T, Chen J, Dai H Y, Liu D W, Xiang H W, Chen Z P. Dielectric properties of CaCu3Ti4O12-silicone rubber composites. Journal of Materials Science Materials in Electronics, 2015, 26(1): 312–316CrossRefGoogle Scholar14.Paul D R, Mark J E. Fillers for polysiloxane (“silicone”) elastomers. Progress in Polymer Science, 2010, 35(7): 893–901CrossRefGoogle Scholar15.Mu Q H, Feng S G, Diao G Z. Thermal conductivity of silicone rubber filled with ZnO. Polymer Composites, 2007, 28(2): 125–130CrossRefGoogle Scholar16.Ventura I A, Rahaman A, Lubineau G. The thermal properties of a carbon nanotube-enriched epoxy: Thermal conductivity, curing, and degradation kinetics. Journal of Applied Polymer Science, 2013, 130(4): 2722–2733CrossRefGoogle Scholar17.Wang X J, Zhang L Z, Pei L X. Thermal conductivity augmentation of composite polymer materials with artificially controlled filler shapes. Journal of Applied Polymer Science, 2014, 131(8): 39550Google Scholar18.Gan L, Shang S M, Yuen M C W, Jiang S X, Luo N M. Facile preparation of graphene nanoribbon filled silicone rubber nanocomposite with improved thermal and mechanical properties. Composites. Part B, Engineering, 2015, 69: 237–242CrossRefGoogle Scholar19.Ionita M, Pandele A M, Crica L, Pilan L. Improving the thermal and mechanical properties of polysulfone by incorporation of graphene oxide. Composites. Part B, Engineering, 2014, 59: 133–139CrossRefGoogle Scholar20.Ji T, Zhang L Q, Wang W C, Liu Y, Zhang X F, Lu Y L. Cold plasma modification of boron nitride fillers and its effect on the thermal conductivity of silicone rubber/boron nitride composites. Polymer Composites, 2012, 33(9): 1473–1481CrossRefGoogle Scholar21.Wu L K, Ying J, Chen L T. Improvement of thermal conductivity of silicone by carbon nanotube array (CNTA). Advanced Materials Research, 2014, 1061-1062: 96–99CrossRefGoogle Scholar22.Zhou WY, Qi S H, Tu C C, Zhao H Z, Wang C F, Kou J L. Effect of the particle size of Al2O3 on the properties of filled heat-conductive silicone rubber. Journal of Applied Polymer Science, 2007, 104(2): 1312–1318CrossRefGoogle Scholar23.Zhou W Y, Yu D M, Wang C F, An Q L, Qi S H. Effect of filler size distribution on the mechanical and physical properties of aluminafilled silicone rubber. Polymer Engineering and Science, 2008, 48(7): 1381–1388CrossRefGoogle Scholar24.Zhou W Y, Qi S H, Zhao H Z, Liu N L. Thermally conductive silicone rubber reinforced with boron nitride particle. Polymer Composites, 2007, 28(1): 23–28CrossRefGoogle Scholar25.Zou H, Zhang L Q, Tian M, Wu S Z, Zhao S H. Study on the structure and properties of conductive silicone rubber filled with nickel-coated graphite. Journal of Applied Polymer Science, 2010, 115(5): 2710–2717CrossRefGoogle Scholar26.René S, Stefan R L, Katrin A, Martina B, André B, Thomas G. Transparent silicone calcium fluoride nanocomposite with improved thermal conductivity. Macromolecular Materials and Engineering, 2015, 300(1): 80–85CrossRefGoogle Scholar27.Shang S M, Gan L, Yuen M C W, Jiang S X, Luo M N. Carbon nanotubes based high temperature vulcanized silicone rubber nanocomposite with excellent elasticity and electrical properties. Composites. Part A, Applied Science and Manufacturing, 2014, 66: 135–141CrossRefGoogle Scholar28.Das A, Kasaliwal G R, Jurk R, Boldt R, Fischer D, Stöckelhuber K W, Heinrich G. Rubber composites based on graphene nanoplatelets, expanded graphite, carbon nanotubes and their combination: A comparative study. Composites Science and Technology, 2012, 72(16): 1961–1967CrossRefGoogle Scholar29.Wang Q, Gao W, Xie Z M. Highly thermally conductive roomtemperature-vulcanized silicone rubber and silicone grease. Journal of Applied Polymer Science, 2003, 89(9): 2397–2399CrossRefGoogle Scholar30.Stein J, Lewis L N, Gao Y, Scott R A. In situ determination of the active catalyst in hydrosilylation reactions using highly reactive Pt (0) catalyst precursors. Journal of the American Chemical Society, 1999, 121(15): 3693–3703CrossRefGoogle Scholar31.Lweis L N, Colborn R E, Grade H, Bryant G L, Sumpter C A, Scott R A. Mechanism of formation of platinum(0) complexes containing silicon-vinyl ligands. Organometallics, 1995, 14(5): 2202–2213CrossRefGoogle Scholar32.Zhao M, Feng Y K, Li G, Li Y, Wang Y L, Han Y, Sun X J, Tan X H. Synthesis of an adhesion-enhancing polysiloxane containing epoxy groups for addition-cure silicone light emitting diodes encapsulant. Polymers for Advanced Technologies, 2014, 25(9): 927–933CrossRefGoogle Scholar33.Zhao M, Feng Y K, Li G, Li Y, Wang Y L, Han Y, Sun X J, Tan X H. Preparation and performance of phenyl-vinyl-POSS/additiontype curable silicone rubber hybrid material. Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 2014, 51(8): 639–645CrossRefGoogle Scholar34.Zhao M, Feng Y K, Li G, Li Y, Wang Y L, Han Y, Sun X J, Tan X H. Fabrication of siloxane hybrid material with high adhesion and high refractive index for light emitting diodes (LEDs) encapsulation. Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 2014, 51(8): 653–658CrossRefGoogle Scholar35.Gan L, Shang S M, Jiang S X. Impact of vinyl concentration of a silicone rubber on the properties of the graphene oxide filled silicone rubber composites. Composites. Part B, Engineering, 2016, 84: 294–300CrossRefGoogle ScholarCopyright information© Higher Education Press and Springer-Verlag Berlin Heidelberg 2016Authors and AffiliationsYuqi Chen1Yakai Feng12Email authorJingqi Zhao3Jingbo Shen3Menghuang Feng31.School of Chemical Engineering and TechnologyTianjin UniversityTianjinChina2.Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)TianjinChina3.Tianjin Laird Electronic Material Co., Ltd.TianjinChina About this article CrossMark Publisher Name Higher Education Press Print ISSN 2095-0179 Online ISSN 2095-0187 About this journal Reprints and Permissions Article actions Export citation .RIS Papers Reference Manager RefWorks Zotero .ENW EndNote .BIB BibTeX JabRef Mendeley Share article Email Facebook Twitter LinkedIn Cookies We use cookies to improve your experience with our site. More information Accept Over 10 million scientific documents at your fingertips

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