Thermal behaviors of nanoparticle reinforced epoxy resins for microelectronics packaging

An, Hongzhan; Li, Zhan; Tian, Qing; Li, Junhui; Zhou, Can; Liu, Xiaohe; Zhu, Wenhui

doi:10.1016/j.microrel.2019.01.002

Cited by 16 publications

(13 citation statements)

References 26 publications

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“…In addition to the focus on designing appropriate curing agent, also proposed the use of nano-silica (NS) to improve the weakness of organic materials. According to the previous report, the NS particles uniformly distributed in the epoxy resin can improve the mechanical, thermal stability, and abrasion resistance of the polymer matrix which probably enhances the anti-sliding durability of AS layer [23][24][25]. Thus, our results show that the combination of these design concepts leads to form a new epoxy-based composite material with a strong potential to serve the application of anti-sliding.…”

Section: Introductionsupporting

confidence: 66%

“…Figure 4(a) presents the FTIR characterization of the compounds in each step of our proposed synthetic routes. The absorption peaks at 1607 cm −1 and 1509 cm −1 are the characteristic peaks of the benzene ring in the epoxy resin [24]. Comparing the spectrum (a) and (b), the peak intensity of the epoxy group at 915 cm −1 is significantly reduced, and this owes to ring-opening of the epoxy group induced by the active hydrogen.…”

Section: Effect Of E44 and Pde Ratio On Physical Performance Of Wersmentioning

confidence: 96%

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Laboratory evaluation on water-based and flexible epoxy/SiO<sub>2</sub> nanocomposites to enhance anti-sliding effectiveness of pavement

Sun

Liang

Ding

et al. 2020

Mater. Res. Express

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The anti-slip (AS) layer of the cement concrete pavement (CCP) can probability decrease traffic accidents and extend the service life of the road. Epoxy resin has excellent adhesion and mechanical strength, making it possible in this field. Herein, a flexible waterborne epoxy resin (WER) without a small molecule emulsifier was synthesized by bisphenol A epoxy resin, poly (propylene glycol) diglycidyl ether (PDE), diethylenetriamine (DETA). The mechanism of the group reaction was characterized by fourier transform infrared (FTIR), and dynamic scanning calorimetry (DSC) determined the heat of curing of WER. Then, the physical properties of WER were enhanced by the silane coupling agent modified nano-silica (SCA-NS) and the composite's water absorption rate and mechanical propriety were evaluated. Finally, the pavement performance of the AS layer was prepared and tested as well as compared with the commercial waterborne epoxy resin (CWER) and emulsified asphalt (EA). The result shows EA has low durability and adhesion strength than epoxy resin. The small molecule emulsifier and low-flexible resistance of CWER decrease water stability and antisliding durability of the AS layer. Due to applied nanomaterial reinforced and without small molecule emulsifiers, the WER base AS layer shows extremely high adhesion strength, water stability, and skidresistance durability at addition 3 wt% of SCA-NS, which have a great potential for CCP.

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Section: Introductionsupporting

confidence: 66%

Section: Effect Of E44 and Pde Ratio On Physical Performance Of Wersmentioning

confidence: 96%

Laboratory evaluation on water-based and flexible epoxy/SiO<sub>2</sub> nanocomposites to enhance anti-sliding effectiveness of pavement

Sun

Liang

Ding

et al. 2020

Mater. Res. Express

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“…The water absorption of Al 2 O 3 /PU and PDA-Al 2 O 3 /PU composites was calculated. According to GB/T 1462-2005, the dry sample was immersed in water at 23 • C for 24 h to test the water absorption percentage relative to the sample mass [36]. The average of the water absorption of five samples was the final water absorption.…”

Section: Methodsmentioning

confidence: 99%

“…A humid environment will also affect the performance of electronic packaging to some extent [36]. When electronic packaging absorbs too much moisture, the insulation property of the composites decreases, which affects the service life.…”

Section: Water Absorptionmentioning

confidence: 99%

Polydopamine-Modified Al2O3/Polyurethane Composites with Largely Improved Thermal and Mechanical Properties

et al. 2020

Materials

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Alumina/polyurethane composites were prepared via in situ polymerization and used as thermal interface materials (TIMs). The surface of alumina particles was modified using polydopamine (PDA) and then evaluated via Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TG), and Raman spectroscopy (Raman). Scanning electron microscope (SEM) images showed that PDA-Al 2 O 3 has better dispersion in a polyurethane (PU) matrix than Al 2 O 3 . Compared with pure PU, the 30 wt% PDA-Al 2 O 3 /PU had 95% more Young's modulus, 128% more tensile strength, and 76% more elongation at break than the pure PU. Dynamic mechanical analysis (DMA) results showed that the storage modulus of the 30 wt% PDA-Al 2 O 3 /PU composite improved, and the glass transition temperature (Tg) shifted to higher temperatures. The thermal conductivity of the 30 wt% PDA-Al 2 O 3 /PU composite increased by 138%. Therefore, the results showed that the prepared PDA-coated alumina can simultaneously improve both the mechanical properties and thermal conductivity of PU. ceramic fillers, spherical Al 2 O 3 has often been used as electronic packaging materials because it exhibits higher thermal conductivity (32 W/m K), easier surface modification, wider source, higher load, lower viscosity, better fluidity, and excellent insulation performance [19,20]. Alumina as a thermal conductivity filler to enhance the thermal conductivity of polymers has been widely examined by many researchers [21][22][23].In general, the high thermal conductivity of polymer composites mainly depends on whether the filler has a good thermal conduction path or network, which is mainly related to the interfacial interaction and dispersion of the filler in polymers matrix [7,[24][25][26]. Generally speaking, poor interface combination between a thermal conductivity filler and polymer matrix leads to poor dispersion of the filler. These all cause strong phonon scattering and reduce phonon transmission efficiency, and then lead to the poor thermal conductivity of the interface [12,18,20,27,28]. It is reported that surface modification and functionalization of the filler can improve compatibility with the polymer matrix [29,30]. Common surface modification methods are hydroxylation [31], surfactant [32], coupling agent [27,33], etc. In recent years, bio-activated modification of polydopamine has become popular as a simple, environmentally-friendly, and efficient method. Polydopamine (PDA) is easy to adhere to the surface of inorganic and organic materials, and the abundant phenolic hydroxyl groups on the surface of polydopamine are conducive to the formation of stronger interaction with the resin matrix [9,13,17,34]. In this study, the surface of spherical Al 2 O 3 was modified using polydopamine as a modifier. In order to realize insulating composites with high thermal conductivity and mechanical properties, a high load of spherical Al 2 O 3 particles are required. However, if the filler cannot be uniformly dispersed in the matrix and has good compatibility with the ma...

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“…Besides, due to the high thermal conductivity of SiO 2 , the heat could quickly transfer to environment to decrease chip temperature when the chip was under operation and thus to prolong the failure time of chip. 10 Arulmurugan et al applied dynamic mechanical analysis (DMA) to study the influence of BaSO 4 on the properties of woven natural fiber reinforced epoxy composites. Results showed that the glass transition temperature (T g ) of composite was improved due to the molecular mobility were enhanced and the bond between fiber and matrix was minimized by addition of BaSO 4 fillers.…”

mentioning

confidence: 99%

Investigation on curing reaction of phthalonitrile resin with nanosilica and the properties of their glass fiber‐reinforced composites

Ren

Chen

et al. 2020

J of Applied Polymer Sci

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In this work, Phthalonitrile containing benzoxazine (BA-ph) and Bisphenol A based cyanate ester (CE) were chosen as the matrix resin. Various amount of nano-SiO 2 was incorporated into BA-ph/CE and their glass fiber-reinforced composite laminates were fabricated. Curing reaction and processability of BA-ph/CE/SiO 2 blends were studied by differential scanning calorimetry and dynamic rheological analysis. Results showed that BA-ph and CE exhibited good processability and curing reaction of BA-ph/CE was not obviously affected by SiO 2. Scanning electron microscope images of the composites showed that SiO 2 particles were well dispersed in BA-ph/CE matrix. Moreover, SiO 2 could act as physical crosslinking points and diluent in matrix as well as between the glass fibers to improve the mechanical properties of composite laminates. As the results of dynamic mechanical analysis and thermogravimetry analysis, composite laminates possessed satisfactory T g and good thermal stability. With incorporation SiO 2 particles into matrix resin, dielectric constant and dielectric loss of BA-ph/CE/SiO 2 /GF composites were increased and showed frequency dependence. K E Y W O R D S copolymers, differential scanning calorimetry, glass transition, thermal properties 1 | INTRODUCTION High performance thermosetting resins, such as, epoxy, cyanate ester (CE), benzoxazine, phthalonitrile, bismaleimide, and so on, were widely investigated and applied in many fields. Due to the inherent brittleness of thermosetting resins, pure thermosetting resins were hardly used as structural, substrate, or functional materials. In order to improve the brittleness of thermosetting resins, continuous fiber, nanoparticles were widely applied to reinforce the thermosetting resins to fabricate composites with enhanced properties. 1-4 Compared with that of traditional inorganic metal materials, fiber

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Thermal behaviors of nanoparticle reinforced epoxy resins for microelectronics packaging

Cited by 16 publications

References 26 publications

Laboratory evaluation on water-based and flexible epoxy/SiO<sub>2</sub> nanocomposites to enhance anti-sliding effectiveness of pavement

Laboratory evaluation on water-based and flexible epoxy/SiO<sub>2</sub> nanocomposites to enhance anti-sliding effectiveness of pavement

Polydopamine-Modified Al2O3/Polyurethane Composites with Largely Improved Thermal and Mechanical Properties

Investigation on curing reaction of phthalonitrile resin with nanosilica and the properties of their glass fiber‐reinforced composites

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