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RAPID PERMANENT HYD...
RAPID PERMANENT HYDROPHILIC AND HYDROPHOBIC PATTERNING OF POLYMER SURFACES VIA OFF-STOICHIOMETRY THIOL-ENE (OSTE) PHOTOGRAFTING
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- Carlborg, Fredrik (author)
- KTH,Mikrosystemteknik
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- Moraga, Francesca (author)
- KTH,Mikrosystemteknik
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- Saharil, Farizah, 1976- (author)
- KTH,Mikrosystemteknik
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- van der Wijngaart, Wouter (author)
- KTH,Mikrosystemteknik
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- Haraldsson, Tommy (author)
- KTH,Mikrosystemteknik
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: Proceedings Micro Total Analysis Systems (muTAS) 2012. ; , s. 677-679
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http://www.microtas1...
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
Subject headings
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- In this work we have developed a simple and robust method to permanently pattern alternating hydrophobic and hydrophilic surfaces in off-stoichiometry thiol-ene (OSTE) polymer microchannels. By being able to tune the number of unreacted thiol surface groups of the OSTE Thiol polymers and by taking advantage of spatially photo-controlled surface grafting of methacrylate monomers we achieve defined areas with contact angles from 20° to 115° within one single channel. The surface modification remains stable after storage in air (>2 months) or water (>24h).
Keyword
- Rapid prototyping
- surface modification
- off-stoichiometry thiol-enes
- OSTE
- contact angles
Publication and Content Type
- ref (subject category)
- kon (subject category)
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