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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
229 - 244 (16page)

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초록· 키워드

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The effects of synthesis conditions on characteristics of the calcium-azo complex pigment, C.I. Pigment Red 57:1, were studied. It was mainly considered that the industrially required synthesis conditions for lowering electrical conductivity of the pigment solution keeping pigment quality such as particle size and color characteristics. Three parameters were chosen as control factors during the synthesis. The first was the amount of hydrochloric acid added to transform sodium nitrite into nitrous acid. The second was the amount of calcium chloride added to insolubilize the synthesized azo dye. The final factor was pH control during the coupling reaction. The electrical conductivity and pigment aggregate particle size were dependent on the amount of hydrochloric acid and calcium chloride. Higher HCl concentration gave brighter yellowish-red color because of smaller particle aggregate size and narrower size distribution. Amount of charged ions in the synthesis process might affect the “lake” formation resulting different particle aggregate size and color shade.

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

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UCI(KEPA) : I410-ECN-0101-2016-551-002201924