Design and fabrication of pH-responsive microencapsulated phase change materials for multipurpose applications

Guo, Zhongkai; Liu, Huan; Wu, Yulun; Wang, Xiaodong; Wu, Dezhen

doi:10.1016/j.reactfunctpolym.2019.04.015

Cited by 23 publications

(14 citation statements)

References 47 publications

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“…[26][27][28] Moreover, the peaks at about 707.6 eV and 710.9 eV confirm the presence of Fe (0) and Fe 3 C. 28,32 which promote the conversion of graphitic carbon and impart magnetic property into the final FCA PCMs composite. 33,34 These characteristic peaks are totally the same with the standard PDF card No. 45-1543 for eicosane as inserted in Figure 4.…”

Section: Morphology and Structure Characterizationmentioning

confidence: 53%

The design of phase change materials with carbon aerogel composites for multi-responsive thermal energy capture and storage

et al. 2021

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Section: Morphology and Structure Characterizationmentioning

confidence: 53%

The design of phase change materials with carbon aerogel composites for multi-responsive thermal energy capture and storage

et al. 2021

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“…The thermochromic function was achieved by Wang et al by the employment of thermochroic pigment-PMMA composite shell in the encapsulation of n-octadecane via suspension-like polymerization method [198]. Guo et al used poly(MMAco-MAA) to encapsulate n-eicosane via an in situ polymerization process that led to obtaining pH-responsive microcapsules to be used as drugs or chemicals sensitive to temperature during thermal energy storage [199].…”

Section: Miscellaneous Propertiesmentioning

confidence: 99%

A Comprehensive Review of Microencapsulated Phase Change Materials Synthesis for Low-Temperature Energy Storage Applications

et al. 2021

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Thermal energy storage (TES) using phase change materials (PCMs) is an innovative approach to meet the growth of energy demand. Microencapsulation techniques lead to overcoming some drawbacks of PCMs and enhancing their performances. This paper presents a comprehensive review of studies dealing with PCMs properties and their encapsulation techniques. Thus, it is essential to critically examine the existing techniques and their compatibility with different types of PCMs, coating materials, and the area of application. The main objective of this review is to describe each microencapsulation process and to determine different factors that influence the performance of resulting microcapsules. Microencapsulation efficiency, as well as the limitation of each technique, are investigated, and optimum operating conditions of each process are highlighted. Furthermore, up-to-date studies of multifunctional PCMs microcapsules development with enhanced performances and new application directions are also presented. This review aims to be a useful guide for future researches dealing with low thermal energy storage applications of PCMs microcapsules.

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“…16 The utilization of microencapsulation technology to package PCMs in the shell is considered to be a promising way for effectively solving the leakage of solid−liquid PCMs. 17,18 The organic polymers such as urea-formaldehyde (UF) resin, 19 melamineformaldehyde (MF) resin, 20,21 and polystyrene (PS) 22,23 as shell materials to encapsulate PCMs have been widely studied.…”

Section: Introductionmentioning

confidence: 99%

“…However, the easy leakage of the melting process from solid to liquid greatly limits their practical application . The utilization of microencapsulation technology to package PCMs in the shell is considered to be a promising way for effectively solving the leakage of solid–liquid PCMs. , The organic polymers such as urea-formaldehyde (UF) resin, melamine-formaldehyde (MF) resin, , and polystyrene (PS) , as shell materials to encapsulate PCMs have been widely studied. Although organic polymers as shell materials have excellent flexibility, they also have some shortcomings such as poor chemical resistance, low thermal conductivity, and flammability.…”

Section: Introductionmentioning

confidence: 99%

Phase-Change Composites Composed of Silicone Rubber and Pa@SiO₂@PDA Double-Shelled Microcapsules with Low Leakage Rate and Improved Mechanical Strength

Deng

Yang

et al. 2021

ACS Appl. Mater. Interfaces

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A kind of silicone rubber (SR)/paraffin (Pa)@silicon dioxide (SiO 2 )@polydopamine (PDA) phase-change composite was prepared in this work. The double-shelled Pa@SiO 2 @PDA phase-change microcapsules were constructed by oxidative self-polymerization of dopamine (DA) in Tris-HCl buffer solution. The effect of the DA content on the properties of Pa@SiO 2 @ PDA microcapsules and SR/Pa@SiO 2 @PDA composites was researched. Due to the protective effect of SiO 2 , PDA layer, and SR matrix, the SR/Pa@ SiO 2 @PDA composites have good leak-proofing performance, and the leakage rate of SR/Pa@SiO 2 @PDA-2 is as low as 0.45%. Phase-change enthalpies of the Pa@SiO 2 @PDA microcapsules and SR/Pa@SiO 2 @PDA composites are reduced slightly with increasing DA content. Meanwhile, the composites displayed improved mechanical strength. The tensile strength of SR/Pa@SiO 2 @PDA-2 can be up to 0.560 MPa, which is 1.85 times higher than the tensile strength of pure SR/Pa@SiO 2 because the interface compatibility between Pa@SiO 2 microcapsules and SR is improved through hydrogen bonding between the abundant groups on the PDA surface and the matrix. Moreover, the rough surface of the PDA-modified microcapsules also enhances the interface interaction through physical "interlocking". The new kind of SR/Pa@SiO 2 @PDA composite can be used for thermal management.

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Design and fabrication of pH-responsive microencapsulated phase change materials for multipurpose applications

Cited by 23 publications

References 47 publications

The design of phase change materials with carbon aerogel composites for multi-responsive thermal energy capture and storage

The design of phase change materials with carbon aerogel composites for multi-responsive thermal energy capture and storage

A Comprehensive Review of Microencapsulated Phase Change Materials Synthesis for Low-Temperature Energy Storage Applications

Phase-Change Composites Composed of Silicone Rubber and Pa@SiO₂@PDA Double-Shelled Microcapsules with Low Leakage Rate and Improved Mechanical Strength

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Design and fabrication of pH-responsive microencapsulated phase change materials for multipurpose applications

Cited by 23 publications

References 47 publications

The design of phase change materials with carbon aerogel composites for multi-responsive thermal energy capture and storage

The design of phase change materials with carbon aerogel composites for multi-responsive thermal energy capture and storage

A Comprehensive Review of Microencapsulated Phase Change Materials Synthesis for Low-Temperature Energy Storage Applications

Phase-Change Composites Composed of Silicone Rubber and Pa@SiO2@PDA Double-Shelled Microcapsules with Low Leakage Rate and Improved Mechanical Strength

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Phase-Change Composites Composed of Silicone Rubber and Pa@SiO₂@PDA Double-Shelled Microcapsules with Low Leakage Rate and Improved Mechanical Strength