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简介：Thecarbon-13spin-spinrelaxationtimesoffluorine-containingionomersaremeasuredandmotionalcorrelationtimesτ_oandτ_darecalculatedbyusingVJGMmodel.Theresultsshowthatthemotionsofpolymermainchaininionomersbecomemoredifficultwithincreasingofionizationdegreeandcontentsoffunctionalgroup,anddependonthefinestructuresandstabilityofionicmicrodomains.
标签： Spin-spin RELAXATION Main chain DYNAMICS IONOMER

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简介：Dithia-monoaza18-Crown-6anditsimmobilizationproduct,silica-bound1,7-dithia-4-aza-10,13,16-trioxa-cyclooctadecaneviaaspacerofthreecarbonatoms,anditsplatinumcomplexhavebeensynthesized.Itisfoundthattheplatinumcomplexisanefficienthydrosilylationcatalystforolefins.TheXPSdataoftheplatinumcomplexarereported.
标签：二氧化硅铂络合物铂配合物 1 7-硫-4-氮杂-10 13 16-氧硫杂环十八烷

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