Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Application Properties of Ultra Light Weight Silica Aerogel to Polyurethane Membrane

극초경량 실리카 에어로겔의 폴리우레탄 멤브레인 적용 특성

  • Received : 2013.12.03
  • Accepted : 2013.12.18
  • Published : 2013.12.27
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Abstract

Application properties of ultra light weight silica aerogel toward polyurethane membranes were investigated. From the results of pre-milling process of the silica aerogel, the solvent for dispersion of the aerogel was determined for methyl ethyl ketone and its content in the solvent was determined by 30%. Using this aerogel dispersion, the polyurethane membranes were prepared according to the mixing amount of silica aerogel and various properties of the membranes were investigated. As results, the optimum mixing amount of silica aerogel inside polyurethane membranes was decided at 11%, because the improvement of light weight property, air permeability, and moisture vapor permeability were improved upto 11% of silica aerogel content, maintaining the water penetration resistance almost unchanged.

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References

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  1. Mechanical Behavior of Polymer Foam Reinforced with Silica Aerogel vol.31, pp.6, 2017, https://doi.org/10.26748/KSOE.2017.12.31.6.413