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Citation: Chen Yonglie, Zheng Mu, Liang Zhaoxi. Study on Photoinitiated Cationic Polymerization Ⅲ.DSC Study on Photopolymerization of Epoxides Initiated with Sulfonium Salt BDS[J]. Chinese Journal of Applied Chemistry, ;1994, 11(2): 27-30. shu

Study on Photoinitiated Cationic Polymerization Ⅲ.DSC Study on Photopolymerization of Epoxides Initiated with Sulfonium Salt BDS

1.
Institute of Polymer Science, Zhongshan University, Guangzhou 510275

Received Date: 16 March 1993
Available Online: 30 August 1993
Fund Project:

The photopolymerization of phenylglycidylether (PGE) and an epoxy resin (E-51) initiated by bis-[4-(diphenylsulfonio) phenyl]sulfide-bis-hexafluorophosphate[BDS(PF₆)₂] has been studied using a modified home-made CDR-1 model differential scanning calorimeter.For PGE,the polymerization rate was proportional to the 0.90 power of the initiator concentration and to the 0.87 power of the light intensity.For E-51,the polymerization rate was proportional to the 0.78 power of the initiator concentration,whereas the influence of light intensity was rather complicated.The polymerization rate increased with temperature markedly at≤70℃(for PGE) or≤80℃(for E-51).PGE as a reactive diluent greatly in-creased the polymerization rate of E-51.
- phenylglycidylether,
- epoxide,
- sulfonium salt,
- photopolymerization,
- DSC
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