화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.26, No.4, 346-352, April, 2018
DOI10.1007/s13233-018-6045-8  Export Citation
Preparation and Properties of Halogen-Free Flame Retardant and High Refractive Index Optical Resin via Click Chemistry
Chaoyun Luo1, 2, Jiandong Zuo3, †, Fuquan Wang4, Yanchao Yuan4, Feng Lin1, and Jianqing Zhao2, 4
  • 1Polymer and Fine Chemicals Technology Development Center, Shenzhen Polytechnic, Shenzhen, P. R. China
  • 2The Key Laboratory of Polymer Processing Engineering, Ministry of Education, South China University of Technology, Guangzhou, P. R. China
  • 3College of Materials Science and Engineering, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen, P. R. China
  • 4College of Materials Science and Engineering, South China University of Technology, Guangzhou, P. R. China
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Halogen-free flame retardant tri(acryloyloxyethyl) phosphate (TAEP) optical resin was prepared using hydroxy ethyl acrylate (HEA) and phosphorus oxychloride and the chemical structure was characterized by Fourier transform infrared spectrometer and proton nuclear magnetic resonance spectrometer. Optical resins mixed by pentaerythritol tetrathioglycolic and TAEP with different S and P contents were obtained via click chemistry curing. The curing performance, thermal stability and flame retardant performance of the optical resins were analyzed by differential scanning calorimeter, thermogravimetric analyzer, and vertical burning tester, respectively. Additionally, the burned residual morphology of samples was investigated by scanning electronic microscopy, and the refractive indices of the optical resins were measured by an Abbe refractometer. The results revealed that increasing S content could improve the refractive indices of the resins; whereas, the flame retardant performances decreased. The optical resins with S content of 2% and P contents of 7.37% had refractive indices of 1.4935 and UL 94 V-0 flame retard level, respectively. The optical resins had good thermal stability and the 5% decomposition temperature reached up to 200.1 °C.
Keywords:halogen-free flame retardant;high refractive index;click chemistry;tri(acryloyloxyethyl) phosphate;optical resin
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