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논문 기본 정보

자료유형
학술저널
저자정보
Hee Sung Seo (Ewha Womans University) Hyun Kyung Lee (Korea Institute of Industrial Technology) Eui Sang Yoo (Korea Institute of Industrial Technology)
저널정보
한국염색가공학회 한국염색가공학회지 한국염색가공학회지 Vol. 27 No.4
발행연도
2015.12
수록면
245 - 260 (16page)

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초록· 키워드

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The effect of salt milling process on the crystal size, morphology, and color characteristics of C.I. Pigment Red 57:1 was studied. The primitive morphology and color properties of the pigment after synthesis were studied in the former series work. The size and morphology of primary particles and the second aggregation features should be considered because they are very important to determine pigment quality. We compared the primary morphology of pigment particles before drying with the secondary aggregated morphology of pigment particles after drying and salt milling process. Morphological properties were investigated by particle size analysis, X-ray diffraction, and scanning electron microscopy and color measurement was carried out. Significant reduction in particle size as well as enhanced crystallite size after salt milling process was observed. This result might give a difference in color of the pigment, turning into brighter and more blue-toned red color. It was revealed that synthesis condition affect the morphology and color of the pigment even after milling. Increase in HCl concentration in the synthesis process enhanced crystal size and quality forming bluer-red pigments but an increase in CaCl₂ concentration resulted in more amorphous crystals forming darker-red pigments after salt milling.

목차

Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-551-002201939