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Monolayers and membranes from amphiphilic polymers
Author(s) -
Xu H.,
Heger R.,
Mallwitz F.,
Blankenhagel M.,
Peyratout C.,
Goedel Werner A.
Publication year - 2002
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/1521-3900(200201)177:1<175::aid-masy175>3.0.co;2-k
Subject(s) - membrane , monolayer , polymer , elastomer , materials science , synthetic membrane , amphiphile , chemical engineering , colloid , polymer chemistry , polymer science , nanotechnology , composite material , chemistry , copolymer , biochemistry , engineering
Nanometer thin, elastomeric membranes with considerable application potential in micro mechanics and materials science can be prepared by transferring monomolecular layers of polymers with ionic head groups from the water surface to solid substrates with holes. If monolayers of liquid polymers are transferred to substrates with openings they initially cover the openings, but finally rupture within a couple of minutes after transfer. However, if the polymer monolayers are stabilised by vitrification, chemical or physical cross‐linking, they can be transferred to cover openings in solids substrates as stable membranes. Especially if monolayers of low glass transition polymers are cross‐linked, elastomeric membranes are obtained, which might find application in micro mechanical devices like membrane valves and pumps. Incorporation of either a second, incompatible polymer or hydrophobised colloids leads to laterally structured and porous membranes.