• Effect of Styrene Concentration on the Properties of Core-Shell Structured Silica Aerogel-Polystyrene Particles and Their Application in Polyurethane Foam Composites

  • Miye Kim and Sang-Bum Kim†

  • Department of Chemical Engineering, Kyonggi University, 154-42, Gwanggyosan-ro, Yeontong-gu, Suwon 16227, Korea

  • Styrene 농도에 따른 Core-Shell 구조의 Silica Aerogel-Polystyrene 입자특성과 이를이용한복합폴리우레탄폼의물성연구

  • 김미예 · 김상범†

  • 경기대학교 화학공학과

  • Reproduction, stored in a retrieval system, or transmitted in any form of any part of this publication is permitted only by written permission from the Polymer Society of Korea.

References
  • 1. De Souza, F. M.; Sulaiman, M. R.; Gupta, R. K. Materials and Chemistry of Polyurethanes. In Materials and Chemistry of Flame-Retardant Polyurethanes Volume 1: A Fundamental Approach; American Chemical Society: Washington, DC, 2021; pp 1-36.
  •  
  • 2. Akindoyo, J. O.; Beg, M. D. H.; Ghazali, S.; Islam, M. R.; Jeyaratnam, N.; Yuvaraj, A. R. Polyurethane Types, Synthesis and Applications–A Review. RSC Adv. 2016, 6, 114453-114482.
  •  
  • 3. Li, Y.; Zhao, L.; Huang, G.; Zhang, T.; Zhang, J. A Review on Room-Temperature Self-Healing Polyurethane: Synthesis, Self-Healing Mechanism and Application. J. Leather Sci. Eng. 2022, 4, 24.
  •  
  • 4. Ren, H.; Liu, J.; Wang, J.; Wang, X. Cellulose Nanocrystal/Phytic Acid-Enhanced Non-Isocyanate Polyurethane Foams. Polymer 2025, 334, 128740.
  •  
  • 5. Lim, C. C. N. D.; Samy, M. M.; Hussin, M. H. Emerging Trends in Nonisocyanate Polyurethane Foams: A Review. ACS Eng. Au 2024, 4, 493-518.
  •  
  • 6. Wicklein, B.; Kocjan, A.; Salazar-Alvarez, G.; Carosio, F.; Camino, G.; Antonietti, M.; Bergström, L. Thermally Insulating and Fire-Retardant Lightweight Anisotropic Foams Based on Nanocellulose and Graphene Oxide. Nat. Nanotechnol. 2015, 10, 277-283.
  •  
  • 7. Yu, N.; Li, X.; Chen, Y.; Zhang, Z.; Wang, Q. In-situ Packing Self-Intumescent Aerogel Particles in Rigid Polyurethane Foam Towards Thermal Insulation, Flame Retardance and Smoke Suppression. Chem. Eng. J. 2025, 503, 158514.
  •  
  • 8. Qian, L.; Wang, J.; Yu, H.; Zhao, G. Theoretical Model and Finite Element Simulation on the Effective Thermal Conductivity of Particulate Composite Materials. Compos. Part B: Eng. 2017, 116, 291-297.
  •  
  • 9. Dorcheh, A. S.; Abbasi, M. H. Silica Aerogel; Synthesis, Properties and Characterization. J. Mater. Process. Technol. 2008, 199, 10-26.
  •  
  • 10. Rashid, A. B.; Islam, M. R.; Hasan, M. S.; Rahman, M. S. Silica Aerogel: Synthesis, Characterization, Applications, and Recent Advancements. Part. Part. Syst. Charact. 2023, 40, 2200186.
  •  
  • 11. Gurav, J. L.; Jung, I. K.; Park, H. H.; Kang, E. S.; Nadargi, D. Y. Silica Aerogel: Synthesis and Applications. J. Nanomater. 2010, 2010, 409310.
  •  
  • 12. Kim, H. M.; Lee, S. Y.; Kim, H. J.; Kim, Y. H.; Kim, S. Y. Silica Aerogel/Epoxy Composites with Preserved Aerogel Pores and Low Thermal Conductivity. e-Polym. 2015, 15, 111-117.
  •  
  • 13. Vahtrus, M.; Püssa, K.; Krumme, A.; Krumme, K.; Pohlak, M. Mechanical and Thermal Properties of Epoxy Composite Thermal Insulators Filled with Silica Aerogel and Hollow Glass Microspheres. Proc. Estonian Acad. Sci. 2017, 66, 409-420.
  •  
  • 14. Zhang, G.; Dass, A.; Rawashdeh, A. M. M.; Thomas, J. S.; Counsil, J. A. Isocyanate-Crosslinked Silica Aerogel Monoliths: Preparation and Characterization. J. Non-Cryst. Solids 2004, 350, 152-164.
  •  
  • 15. Zhou, X.; Li, X.; Lei, X.; Wang, C. Enhanced Mechanical Property and Thermal Insulation of Modified Rigid Polyurethane Foams by Few Surface-Functional Silica Aerogel. Cell. Polym. 2024, 43, 145-158.
  •  
  • 16. Gupta, N.; Ricci, W. Processing and Compressive Properties of Aerogel/Epoxy Composites. J. Mater. Process. Technol. 2008, 198, 178-182.
  •  
  • 17. Chen, Y.; Qian, C.; Miao, N. Atomic Force Microscopy Indentation to Determine Mechanical Property for Polystyrene–Silica Core–Shell Hybrid Particles with Controlled Shell Thickness. Thin Solid Films 2015, 579, 57-63.
  •  
  • 18. Chen, J.; Zhang, G.; Li, B. Impacts of Atomistic Coating on Thermal Conductivity of Germanium Nanowires. Nano Lett. 2012, 12, 2826-2832.
  •  
  • 19. Kim, M. Y.; Kim, S. B. Study on the Characteristics of Silica Aerogel-Polystyrene Depending on the Surfactant Content and the Characteristics of Composite Polyurethane Foam Using It. Polym. Korea 2026, 50, 136-143.
  •  
  • 20. Najjar, T. A.; Allam, N. K.; El Sawy, E. N. Anionic/Nonionic Surfactants for Controlled Synthesis of Highly Concentrated Sub-50 nm Polystyrene Spheres. Nanoscale Adv. 2021, 3, 5626-5635.
  •  
  • 21. Ding, X.; Zhao, J.; Liu, Y.; Zhang, H.; Wang, Z. Silica Nanoparticles Encapsulated by Polystyrene via Surface Grafting and In Situ Emulsion Polymerization. Mater. Lett. 2004, 58, 3126-3130.
  •  
  • 22. Liu, C.; Kim, J. S.; Kwon, Y. Comparative Investigation on Thermal Insulation of Polyurethane Composites Filled with Silica Aerogel and Hollow Silica Microsphere. J. Nanosci. Nanotechnol. 2016, 16, 1703-1707.
  •  
  • 23. Krishnaswamy, S.; Hungerford, C.; Manoharan, M. P.; Kwon, Y. Morphological, Optical and Thermal Characterisation of Aerogel–Epoxy Composites for Enhanced Thermal Insulation. J. Compos. Mater. 2019, 53, 909-923.
  •  
  • 24. Liu, S.; Mahalingam, S.; Kontopoulou, M.; Park, C. B. Silica-Assisted Nucleation of Polymer Foam Cells with Nanoscopic Dimensions: Impact of Particle Size, Line Tension, and Surface Functionality. ACS Appl. Mater. Interfaces 2017, 9, 37929-37940.
  •  
  • 25. Liu, S.; Mahalingam, S.; Kontopoulou, M.; Park, C. B. Designer Core–Shell Nanoparticles as Polymer Foam Cell Nucleating Agents: The Impact of Molecularly Engineered Interfaces. ACS Appl. Mater. Interfaces 2021, 13, 17034-17045.
  •  
  • 26. Hallim, Z. A. A.; Yajid, M. A. M.; Idris, M. H.; Hamdan, H. Physiochemical and Thermal Properties of Silica Aerogel-Poly vinyl alcohol/Core-Shell Structure Prepared Using Fluidized Bed Coating Process for Thermal Insulation Applications. Mater. Chem. Phys. 2018, 215, 269-276.
  •  
  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2025 Impact Factor : 1.0
  • Indexed in SCIE

This Article

  • 2026; 50(4): 630-635

    Published online Jul 25, 2026

  • 10.7317/pk.2026.50.4.630
  • Received on May 7, 2026
  • Revised on May 8, 2026
  • Accepted on May 8, 2026

Correspondence to

  • Sang-Bum Kim

  • Department of Chemical Engineering, Kyonggi University, 154-42, Gwanggyosan-ro, Yeontong-gu, Suwon 16227, Korea

  • E-mail: ksb@kyonggi.ac.kr