It is found that acetoacetanilide possesses very high promoting reactivity towards ceric ion in initiating polymerization of vinyl monomer. The kinetics of acrylamide polymerization and the activation energies were st...It is found that acetoacetanilide possesses very high promoting reactivity towards ceric ion in initiating polymerization of vinyl monomer. The kinetics of acrylamide polymerization and the activation energies were studied. The initiation mechanism of ceric/acetoacetanilide is proposed on the basis of experimental results of FT-IR and ESR.展开更多
After discussion on the mechanism of polymer particle nucleation and growth in inverse microemulsion polymerization, a schematic physical model for polymerization of acrylamide in inverse microemulsions was presented....After discussion on the mechanism of polymer particle nucleation and growth in inverse microemulsion polymerization, a schematic physical model for polymerization of acrylamide in inverse microemulsions was presented. Furthermore, several key problems in mathematically modeling of inverse microemulsion polymerization were pointed out.展开更多
Catalysis of solution reactions by surfactant micelles has been investigated for morethan three decades following the pioneering work by Duynstee and Grunwald in 1959.Micelles have been used as mimic enzymic catalysts...Catalysis of solution reactions by surfactant micelles has been investigated for morethan three decades following the pioneering work by Duynstee and Grunwald in 1959.Micelles have been used as mimic enzymic catalysts, and biocatalysis in micellar systemshas attracted much attention during recent years.展开更多
The polymerization of acrylamide in water/oil cationic microemulsion initiated with a water soluble radical initiator potassium persulfate(KPS) was investigated. The results from X ray diffraction and DSC suggest that...The polymerization of acrylamide in water/oil cationic microemulsion initiated with a water soluble radical initiator potassium persulfate(KPS) was investigated. The results from X ray diffraction and DSC suggest that orientation behavior of microemulsion polymerization system orded the polymer chains. [WT5HZ]展开更多
文摘It is found that acetoacetanilide possesses very high promoting reactivity towards ceric ion in initiating polymerization of vinyl monomer. The kinetics of acrylamide polymerization and the activation energies were studied. The initiation mechanism of ceric/acetoacetanilide is proposed on the basis of experimental results of FT-IR and ESR.
基金ChinaSklochePolymerReactionEngineeringLaboratory (No .KF990 4)FujianProvincialNaturalScienceFoundationofChina(No .D0 0 10 0 0 4)
文摘After discussion on the mechanism of polymer particle nucleation and growth in inverse microemulsion polymerization, a schematic physical model for polymerization of acrylamide in inverse microemulsions was presented. Furthermore, several key problems in mathematically modeling of inverse microemulsion polymerization were pointed out.
基金Project supported by the National Natural Science Foundation of China and the Key Laboratory of the OSSO in Lanzhou.
文摘Catalysis of solution reactions by surfactant micelles has been investigated for morethan three decades following the pioneering work by Duynstee and Grunwald in 1959.Micelles have been used as mimic enzymic catalysts, and biocatalysis in micellar systemshas attracted much attention during recent years.
文摘The polymerization of acrylamide in water/oil cationic microemulsion initiated with a water soluble radical initiator potassium persulfate(KPS) was investigated. The results from X ray diffraction and DSC suggest that orientation behavior of microemulsion polymerization system orded the polymer chains. [WT5HZ]