synthesis star-shaped cationic polyacrylamide – dimethyl for south korea market

synthesis star-shaped cationic polyacrylamide – dimethyl for south korea market
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  • What is a multiarmed star shaped polymer?
  • Among such branched polymers, a multiarmed star-shaped polymer, which is prepared by a simple polymer-linking method using a bifunctional vinyl compound [ 1, 2, 3, 4 ], has a spherical and compact shape with unique properties that are different from those of the corresponding linear polymers [ 4, 5 ].
  • Is methyl methacrylate a star polymer?
  • The absolute molecular weight of the main peak ( Mw, MALS = 510,000) was much higher than the value determined with SEC based on calibration with poly (methyl methacrylate), which was indicative of the formation of a star polymer with a highly branched structure.
  • Are core-crosslinked star polymers connected to a core?
  • The core-crosslinked star polymers used in the present study had ~20–35 arm polymers with DP n = 100 that were connected to a core.
  • How does hydrophilicity affect star polymers?
  • In star polymers with hydrophilic carboxy and hydroxy ends ( S1 and S2 ), the hydrophilicity of the end groups in addition to the topological effect should also cause the stabilization of the star molecules in water and render them soluble and well dispersed even at high temperature (Fig. 2a ).