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 년도별 목차보기 |
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| 발행년도/권호 |
1997 년 / 권호: V.9,no.5,Oct |
| 논문제목1(원어) |
C.I. Acid Red 57의 제조공정 개선에 관한 연구 |
| 논문제목2(타언어) |
Modification of C.I. Acid Red 57 Synthesis Process |
| 저자(원어) |
Chung, Sang Woo (Dept. of Fiber and Polymer Science, Seoul National Univ., Seoul, Korea) Kim, Jae Pil (Dept. of Fiber and Polymer Science, Seoul National Univ., Seoul, Korea) |
| 저자(타언어) |
Chung, Sang Woo (Dept. of Fiber and Polymer Science, Seoul National Univ., Seoul, Korea) Kim, Jae Pil (Dept. of Fiber and Polymer Science, Seoul National Univ., Seoul, Korea) |
| 소속(원어) |
Chung, Sang Woo (Dept. of Fiber and Polymer Science, Seoul National Univ., Seoul, Korea) Kim, Jae Pi |
| 소속(타언어) |
Chung, Sang Woo (Dept. of Fiber and Polymer Science, Seoul National Univ., Seoul, Korea) Kim, Jae Pi |
| 시작/끝
페이지 |
75 ~ 81 총페이지 : 7 |
| 언어(원어) |
Korean |
| 초록 |
o-Aminobenzene sulfone-N-ethylanilide, the diazo component of C.I. Acid Red 57, is currently being diazotised by the use of nitrosylsulphuric acid because of its high molecular weight and weak basicity. However, this method has many problems such as complicated manufacturing process and discharge of large volume of strong acidic effluent. In this study, the possibility of replacing nitrosylsulphuric acid method by direct method, which is simpler and produces less effluent, has been checked and the optimum process condition was studied. The effect of HCl concentration, the amount of sodium nitrite and particle size of diazo component on diazotisation yield was investigated. The optimum pH condition for coupling reaction was also evaluated |
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