섬유

magnetic birefringence of polystyrene sulphonate: molecular weight and concentration dependence

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 249
in the reported experiments, the specific cotton-mouton constant of water solutions of pss-na** $plus$ of different molecular weight have been measured at concentrations below 2 in the absence and presence of added salt. a bare persistence length q $equals$ 12 a is found from the high ionic-strength molecular weight and concentration independent value. the molecular weight and concentration dependence at low ionic-strength is discussed in terms of the electrostatic contribution to the persistence length and the structure of semi-dilute polyelectrolyte solutions. 20 refs
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