화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.28, No.3, 294-298, June, 2017
DOI10.14478/ace.2017.1016  Export Citation
재사용이 가능한 methyl 4-formylbenzoate로부터 4,4’-di((E)-styryl)-1,1’-biphenyl 골격 구조를 갖는 새로운 형광증백제 개발 연구
Development of New Fluorescent Whitening Agent with 4,4’-Di((E)-styryl)-1,1’-biphenyl Skeleton from Recyclable Source MFB
정헌주, 양윤승, 김석찬†
  • 국민대학교 응용화학과
Hyun Ju Chung, Yun Seung Yang, and Seok Chan Kim†
  • Department of Applied Chemistry, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Republic of Korea
E-mail:
초록
Dimethyl terephthalate (DMT) 생산과정의 부산물로서 폐기 처리되어왔던 methyl 4-formylbenzoate (MFB)를 출발 물질로하여 고급 형광증백제 family인 Uvitex FP와 동일한 4,4’-di((E)-styryl)-1,1’-biphenyl 기본 골격을 갖는 새로운 형광증백제(fluorescent whitening agent) 후보 물질 6종을 합성하였다. 후보 물질 6종은 MFB 및 그의 유도체와 tetraethyl biphenyl-4,4’-diylbis (methylene) diphosphonate (3)와 Wittig-Horner 반응을 이용하여 합성하였다. 합성된 6종에 대하여 형광증백제로의 가능성을 확인하기 위하여 UV spectrum을 기록하여 몰흡광 계수를 얻었으며, 6종 모두 Uvitex FP 127(log ε 4.85)보다 낮은 몰흡광 계수(log ε 3.95~2.60)를 보임으로서 형광증백제로는 적합하지 못한 것을확인하였다.
Six new fluorescent whitening agent’s candidates with 4,4’-di((E)-styryl)-1,1’-biphenyl skeleton which is the same as that of Uvitex FP family were synthesized using methyl 4-formylbenzoate (MFB) as a starting material. MFB has been disposed as a by-product of dimethyl terephthalate (DMT) production process. Six candidates were synthesized by the reaction of MFB, and its derivatives with tetraethyl biphenyl-4,4’-diylbis(methylene)diphosphonate (3) using Witti -Horner reaction. A series of UV spectra were recorded and the results were used for estimating molar absorptivities ofeach candidates in order to find their potential application as fluorescent whitening agents. Considering the molar absorptivity (log ε 3.95~2.60) for all candidates was lower than that of the commercial Uvitex FP 127 (log ε 4.85), it was concluded that they are not suitable for fluorescent whitening agent applications.
Keywords:methyl 4-formylbenzoate;recyclable source;DMT;fluorescent whitening agent;4,4’-di((E)-styryl)-1,1’-biphenyl skeleton
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