Cationic Copolymerization of Epichlorohydrin with Styrene Oxide and with Cyclohexene Oxide

Pasika, W. M.; Chen, Dian Jia

doi:10.1080/00222339108052106

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Nuclear Magnetic Resonance (Nmr) Analysis1

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2020

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“…Combined with infrared spectroscopy, it can be verified that the epoxy ring of the obtained raw material has been opened, and polymerization has occurred to form a terminal hydroxyl polymer, that is, a target product polyether polyol. In addition, according to the literature [20], the copolyether of cyclohexane oxide and epichlorohydrin is an irregular structure.…”

Section: Nuclear Magnetic Resonance (Nmr) Analysismentioning

confidence: 99%

Synthesis and Characterization of Polyether Polyol Based on Epoxy Cyclohexane and Epichlorohydrin

Zhang¹,

Qi²,

Qiao³

et al. 2020

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Epoxycyclohexane-epichlorohydrin polyether polyol was synthesized by using epoxy cyclohexane and epichlorohydrin as raw materials, glycerol as an initiator, dichloromethane as solvent and aluminum chloride as catalysis. The structure of the copolyether was characterized by infrared (IR) spectroscopy and nuclear magnetic resonance (NMR), and its viscosity was determined. The results showed that the structure and viscosity properties of the products prepared by using aluminum chloride as the catalyst and the boron trifluoride diethyl ether catalyst were basically the same, but the aluminum chloride was more environmentally safe and lower in cost. At the same time, the polyurethane coating film prepared by using the copolyether synthesized by using aluminum chloride as a catalyst had excellent performance.

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Section: Nuclear Magnetic Resonance (Nmr) Analysismentioning

confidence: 99%