Earticle

초록

영어

Cyanoacrylate glues are quick setting materials which rapidly cure to hard, clear glassy resins. Its synthesis too has not been reported in the open literature so far. Synthetic methods, which engage esterification of cyanoacetic acid with a preferred alcohol, polymerization by knoevenagel condensation and successive depolymerization, are applied to the synthesis of lower membered alkyl cyanoacryaltes in which the alkyl groups carry less than 8 carbons. We have synthesized 1-octyl cyanoacetate by a traditional method involving p-toluene sulphonic acid as the catalyst. In the second step, we have attempted the preparation of poly (n-octyl cyanoacrylate) by the reaction of formaldehyde with n-octyl-2-cyanoacetate in the presence of both piperidine and potassium carbonate in the absence of any solvents. Its FTIR spectrum confirmed its functional groups: Its –OH stretching yielded a broad band around 3400 cm-1. The polymer was depolymerized using poly phosphoric acid catalyst under vacuum to obtain the monomer. A simple method of obtaining monomer was also attempted by the reaction of 1-octyl- 2-cyano acetate and diiodomethane in the presence of potassium carbonate. This process directly yields the monomer. The second method looks better than the others, and it can be applied to any type of alcohols.

목차

Abstract
 1. Introduction
 2. Experimental
  2.1 Materials
  2.2 Synthesis of 1-octyl Cyano Acrylate
  2.3 Preparation of 1-Octyl Cyano Acetate
  2.4 Preparation of Poly (1-Octyl Cyanoacrylate)
  2.5 Preparation of 1-Octyl Cyanoacrylate
  2.6 Fourier Transform Infra Red Spectroscopy
  2.7 Thermogravimetric Analysis
 3. Results and Discussion
 4. Conclusions
 Acknowledgments
 References

키워드

저자

• Rajangam Vinodh [ Department of Chemical Engineering, Hanseo University, Seosan 360-706, South Korea ]
• Cadiam Mohan Babu [ Department of Chemical Engineering, Hanseo University, Seosan 360-706, South Korea ]
• Aziz Abidov [ Department of Chemical Engineering, Hanseo University, Seosan 360-706, South Korea ]
• Rramaswamy Ravikumar [ Department of Chemical Engineering, Hanseo University, Seosan 360-706, South Korea ]
• Muthiahpillai Palanichamy [ Department of Chemical Engineering, Hanseo University, Seosan 360-706, South Korea ]
• Eun Young Choi [ Department of Cosmatology, Hanseo University, Seosan 360-706, South Korea ]
• Hyun Tae Jang [ Department of Chemical Engineering, Hanseo University, Seosan 360-706, South Korea ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Bio-Science and Bio-Technology

• 간기

  격월간

• pISSN

  2233-7849

• 수록기간

  2009~2016

• 등재여부

  SCOPUS

• 십진분류

  KDC 505 DDC 605