Research on Reflectivity per Wavelength by Foaming Ratio of Plastics and Optical Characteristics

Earl Han; Sung Woon Cha; Young Ho Kim

doi:10.4028/www.scientific.net/AMR.194-196.2326

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Research on Reflectivity per Wavelength by Foaming...

Research on Reflectivity per Wavelength by Foaming Ratio of Plastics and Optical Characteristics

Abstract:

This study has been initiated from observation of changes in color from samples in foaming process using batch process. The brightly whitened color of foamed plastic sample in batch process has been artfully reproduced by adjusting foaming ratio. And we measured reflectivity per wavelength using spectrophotometer in the range of visible ray at an interval of 10nm. We also measured hue (color), chroma (color purity or saturation), and value (lightness or brightness) in accordance with Musell HV/C standard, through which the relation between foaming ratio and charactics in changes in color has been analyzed. Then we further discussed regarding the cause, focus area and application of our research.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

2326-2329

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.2326

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Online since:

February 2011

Authors:

Earl Han, Sung Woon Cha, Young Ho Kim

Keywords:

Batch Process, Foamed Plastic, Foaming Ratio, Munsell HV/C Value, Reflectivity, Wavelength, Whiteness

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References

[1] Sung W. Cha : A Microcellular Foaming/Forming Process Performed at Ambient Temperature and a Super Microcellular Foaming Process(Ph. D. Thesis in Mechanical Engineering, Massachusetts Institute of Technology, 1994).

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[2] Seo Jung-Hwan, Cha Sung Woon and Kim Hak Bin : Diffused Reflection of Microcellular Foamed Polycarbonate (Polymer-Plasticss Technology and Engineering, 48: 4, 351 — 358).

DOI: 10.1080/03602550902725332

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[3] Kim Young Ho, S. W. Cha and Rizwan Zafar : Study of Baseline to Determine Foaming Temperature in Microcellular Foaming (KSPE 2007 autum conference, p.66~69).

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