| dc.date.accessioned |
2017-01-25T13:01:45Z |
und |
| dc.date.accessioned |
2017-10-24T12:19:26Z |
|
| dc.date.available |
2017-01-25T13:01:45Z |
und |
| dc.date.available |
2017-10-24T12:19:26Z |
|
| dc.date.issued |
2017-01-25T13:01:45Z |
|
| dc.identifier.uri |
http://radr.hulib.helsinki.fi/handle/10138.1/5946 |
und |
| dc.identifier.uri |
http://hdl.handle.net/10138.1/5946 |
|
| dc.title |
Schizophrenic graft copolymers and their stimuli-responsive self-assembly behavior |
en |
| ethesis.discipline |
Polymer Chemistry |
en |
| ethesis.discipline |
Polymeerikemia |
fi |
| ethesis.discipline |
Polymerkemi |
sv |
| ethesis.discipline.URI |
http://data.hulib.helsinki.fi/id/204e19e5-dc8a-4453-be69-4c135b47a4f2 |
|
| ethesis.department.URI |
http://data.hulib.helsinki.fi/id/c2dd677c-da9c-4011-94b0-27b1585ac1cb |
|
| ethesis.department |
Kemiska institutionen |
sv |
| ethesis.department |
Department of Chemistry |
en |
| ethesis.department |
Kemian laitos |
fi |
| ethesis.faculty |
Matematisk-naturvetenskapliga fakulteten |
sv |
| ethesis.faculty |
Matemaattis-luonnontieteellinen tiedekunta |
fi |
| ethesis.faculty |
Faculty of Science |
en |
| ethesis.faculty.URI |
http://data.hulib.helsinki.fi/id/8d59209f-6614-4edd-9744-1ebdaf1d13ca |
|
| ethesis.university.URI |
http://data.hulib.helsinki.fi/id/50ae46d8-7ba9-4821-877c-c994c78b0d97 |
|
| ethesis.university |
Helsingfors universitet |
sv |
| ethesis.university |
University of Helsinki |
en |
| ethesis.university |
Helsingin yliopisto |
fi |
| dct.creator |
Jiang, Tao |
|
| dct.issued |
2017 |
|
| dct.language.ISO639-2 |
eng |
|
| dct.abstract |
Dually thermoresponsive poly(sulfobetaine methacylate)-graft-(poly(poly(ethylene glycol) methyl ether methacrylate)-co-poly(di(ethylene glycol) methyl ether methacrylate) were synthesized via single electron transfer living radical polymerization (SET-LRP). Two different such graft copolymers S70-g-P25D25 and S70-g-P70D280 with different side chain lengths were prepared and studied. These polymers showed 'schezophrenic' self-assembly behavior in response to temperature and ionic strength in aqeuous solution in water. S70-g-P25D25 formed nanostructures at temperatures both above the lower critical solution temperature (LCST) and below the upper critical solution temperature (UCST) with inversed core-shell nature in aqueous solution. Under saline condition no nano structure could be observed at temperatures below the UCST. For S70-g-P70D280, LCST type self-assembly was observed with the formation of similar nanostructures, but at temperatures below UCST, instead of intermolecular aggregation, unimolecular self-assembly was obsverved due to the much more crowded side chains. |
en |
| dct.language |
en |
|
| ethesis.language.URI |
http://data.hulib.helsinki.fi/id/languages/eng |
|
| ethesis.language |
English |
en |
| ethesis.language |
englanti |
fi |
| ethesis.language |
engelska |
sv |
| ethesis.thesistype |
pro gradu-avhandlingar |
sv |
| ethesis.thesistype |
pro gradu -tutkielmat |
fi |
| ethesis.thesistype |
master's thesis |
en |
| ethesis.thesistype.URI |
http://data.hulib.helsinki.fi/id/thesistypes/mastersthesis |
|
| dct.identifier.urn |
URN:NBN:fi-fe2017112252200 |
|
| dc.type.dcmitype |
Text |
|
