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Citation: Zhang Sihui, Cheng Yongqing, Deng Zhenghua, Wan Guoxiang. PREPARATIONS OF COPOLYETHERS BY PLASMAINITIATED POLYMERIZATION AND THE IONIC CONDUCTIVITIES OF THEIR LITHIUM SALT COMPLEXES[J]. Chinese Journal of Applied Chemistry, ;1992, 9(2): 115-118. shu

PREPARATIONS OF COPOLYETHERS BY PLASMAINITIATED POLYMERIZATION AND THE IONIC CONDUCTIVITIES OF THEIR LITHIUM SALT COMPLEXES

1.
Chengdu Institute of Organic Chemistry, Academia Sinica, Chengdu 610015

Corresponding author: Zhang Sihui,
Received Date: 28 March 1991
Available Online: 20 August 1991
Fund Project:

The copolyethers of methoxy polyethylene glycol methacrylate (MEO₁₆)with acrylamide derivatives, such as methylacrylamide (MA), N,N-dimethylacrylamide (DMA), and N,N-diethylacrylamide (DEA), were prepared by plasma-initiated polymerization. The order of conversion of the acrylamides is as follows:MA > DMA > DEA. The crystallinities(X_c) and the glass transition temperatures (T_g) of the copolyethers became lower after the addition of the acrylamides.The relations between the compsition of the P(MEO₁₆-DMA) and the X_c, the T_g were discussed, The ionic conductivity of the P(MEO₁₆-DMA)-LiClO₄is 5.5×10^-5S·cm^-1 when the content of DMA is about 50mol% and the EO/Li is about 32 at 25℃, but that of the PMEO₁₆-LiClO₄ is 1.89×10^-5S·cm^-1 at the same conditions.
- plasma-initiated polymerization,
- copolyether,
- polymeric fast ionic conductor,
- methoxy polyethylene glycol methacrylate,
- methylacrylamide,
- N,N-dirnethylamide,
- N,N-diethylacrylamide
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