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Digitale Medien

A model for polybutadiene coatings on porous silica (1993)

Hanson, M. ; Eray, B. ; Unger, K. ; [weitere]

Springer

Chromatographia 35 (1993), S. 403-409

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Details

ISSN: 1612-1112

Schlagwort(e): Column liquid chromatography ; Reversed phase packings ; Polybutadiene coating ; Polymer coatings

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Summary Non-wetting viscous liquids such as oligobutadiene prefer “active” sites such as pores during the process of physisorption. Thus, polybutadiene (PBD) coatings on porous silica do not result in a homogeneous polymer film but in an inhomogeneous loading where the bulk polymer is mainly sited in the pores of the silica. An increasing polymer loading leads to increasingly filled pores instead of a thicker polymer film. We cannot exclude the possibility that most of the surface is covered at least with a thin polymer film since the chromatographic behaviour is relatively good for polypeptides, which are highly susceptible to the silanol groups of silica.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02278594

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