Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
권호 표지
DOI QR코드

DOI QR Code

A Study on the Thermally Expandable Microspheres for Wallpaper by the particle size of Colloidal Silica

  • Received : 2018.07.15
  • Accepted : 2018.07.19
  • Published : 2018.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

This study was aimed at improving the white index (WI) to prepare thermally expandable microspheres for wallpaper. In particular, thermally expandable microspheres were prepared for different colloidal silica particle sizes to study thermal properties, foaming ratio, and WI. The spheres obtained from tiny colloidal silica were the best in terms of WI and yellowing. Additionally, thermogravimetric analysis results show that small colloidal silica particles are more likely to be adsorbed physically or chemically to the microsphere surface, thereby improving WI at higher temperatures.

Keywords

References

  1. J. H. Kim and G. H. Kim, "Thermoplastic Pplyurethane/Ethylene-Propylene-Diene Monomer Rubber and TPU/Polybutadiene Rubber Blends for the Application of Footwear Outsole Materials", Elastomer, 48, 195 (2013). https://doi.org/10.7473/EC.2013.48.3.195
  2. K. H. Seo, J. C. Lim, and H. S. Lim, "Effect of Ground Rubber on Mechanical Properties of EPDM Foam", Elastomer, 35, 132 (2000).
  3. J. T. Kim, W. Jung, W. H. Kim, and B. H. Ahn, "Foaming Characteristics and Physical Properties of Ethylene Vinyl Acetate Copolymer Foams", Elastomer, 36, 52 (2001).
  4. M. Jonsson, O. Nordi, A. L. Kron, and E. Malmstrom, "Thermally expandable microspheres with excellent expansion characteristics at high temperature", J. Appl. Polym. Sci., 117, 384 (2010).
  5. J. H. Bu, Y. Kim, J. U. Ha, and S. E. Shim, "Effects of Chain Extender and Inorganic Filler on the Properties of Semi-Rigid Polyurethane Foams", Polym. Korea, 39, 78 (2014).
  6. G. C. Cha, J. S. Song, S. M. Lee, and M. S. Mun, "Effects of Chain Extender and Inorganic Filler on the Properties of Semi-Rigid Polyurethane Foams", Polym. Korea, 34, 8 (2010). https://doi.org/10.7317/pk.2010.34.1.8
  7. Y. L, J. Broughton, and P. Winfield, "Surface modification of thermally expandable microspheres for enhanced performance of disbondable adhesive", Int. J. Adhes. Adhes., 66, 33 (2006).
  8. J. H. Hwang, W. N. Kim, J. H. Jun, S. J. Kwak, S. S. Hwang, and S. M. Hong, "A Study on the Characteristics of the Adiabatically Expanded Polyolefin Structured Foams", Polym. Korea, 29, 605 (2005).
  9. A. H. Hemmasi, H. Khademi-Eslam, S. Pourabbasi, I. Ghasemi, and M. Talaiepour, "Cell Morphology and Physico-mechanical Properties of HDPE/EVA/RICE hull Hybrid Foamed Composites", Bioresources, 6, 2291 (2011).
  10. H. Zhang, G. M. Rizvi, and C. B. Park, "Development of an Extrusion System for Producing Fine-Celled HDPE/WoodFiber Composite Foams Using $CO_2$ as a Blowing Agent", Adv. Polym. Technol., 23, 263 (2004). https://doi.org/10.1002/adv.20016
  11. H. N. You, J. H. Kim, M. W. Kim, K. I. Kim, and H. D. Park, "A Study of Characteristics Variation of Thermally Expandable Microspheres in Post-polymerization Treatment by Various Initiators", Elastomers and Composites, 52, 211 (2017).