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- Andersson Trojer, Markus,1981RISE,IVF,Max Planck Institute of Colloids and Interfaces, Germany (author)
Polymer Core-Polymer Shell Particle Formation Enabled by Ultralow Interfacial Tension Via Internal Phase Separation: Morphology Prediction Using the Van Oss Formalism
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- Elsevier BV,2018
Numbers
- LIBRIS-ID:oai:gup.ub.gu.se/269648
- https://gup.ub.gu.se/publication/269648URI
- https://doi.org/10.1016/j.colcom.2018.07.001DOI
- https://research.chalmers.se/publication/504097URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-34236URI
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- Language:English
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- SwePubSwePub
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Notes
- The internal phase separation technique is a versatile method for liquid core-polymer shell formation, yet limited to very hydrophobic core materials and actives. The use of polymeric cores instead circumvents this restriction due to the absent mixing entropy for binary polymer mixtures which allows the polymeric core (and the active) to approach the polarity of the shell. Polystyrene core-shell and janus particles were formulated using polymethylmethacrylate, poly(lactic acid), poly(lactic acid-co-glycolic acid), poly(epsilon-caprolactone) or cellulose triacetate as shell-forming polymers. The morphology and the partitioning was experimentally determined by selectively staining the core and the shell with beta-carotene and methylene blue respectively. In addition, the van Oss formalism was introduced to theoretically predict the thermodynamic equilibrium morphology. As elucidated using the theoretical predictions as well as experimental optical tensiometry, it was found that the driving force for core-shell morphology is, in contrast to liquid core-polymer shell particles, a low core-shell interfacial tension.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Nanoteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Nano-technology hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Andra medicinska och farmaceutiska grundvetenskaper hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Other Basic Medicine hsv//eng
- NATURVETENSKAP Kemi Polymerkemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Polymer Chemistry hsv//eng
- NATURVETENSKAP Kemi Fysikalisk kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Physical Chemistry hsv//eng
- NATURVETENSKAP Kemi Annan kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Other Chemistry Topics hsv//eng
- TEKNIK OCH TEKNOLOGIER Materialteknik Textil-, gummi- och polymermaterial hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Textile, Rubber and Polymeric Materials hsv//eng
- Microcapsule
- Solvent evaporation
- Core-shell
- Raspberry
- Janus
- Spreading
- microcapsules
- release
- encapsulation
- Chemistry
- Science & Technology - Other Topics
- Materials Science
- Janus
Added entries (persons, corporate bodies, meetings, titles ...)
- Ananievskaia, AnnaGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg,University of Gothenburg, Sweden (author)
- Gabul-Zada, Asvad AGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences (author)
- Nordstierna, Lars,1976Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden(Swepub:cth)nlars (author)
- Blanck, Hans,1950Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg,University of Gothenburg, Sweden(Swepub:gu)xblaha (author)
- RISEIVF (creator_code:org_t)
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- In:Colloid and Interface Science Communications: Elsevier BV25, s. 36-402215-0382
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