Polymers with molecular weight dependent LCSTs are essential for cooperative behaviour
Ieong, Nga Sze, Hasan, Muhammad, Phillips, Daniel J., Saaka, Yussif, O'Reilly, Rachel K. and Gibson, Matthew I.. (2012) Polymers with molecular weight dependent LCSTs are essential for cooperative behaviour. Polymer Chemistry, Vol.3 (No.3). pp. 794-799. ISSN 1759-9954Full text not available from this repository.
Official URL: http://dx.doi.org/10.1039/C2PY00604A
The potential to fine-tune the transition temperatures of polymers displaying lower-critical solution temperatures (LCST) by a simple mixing strategy is investigated. Using a panel of four distinct polymer classes (poly[oligo(ethyleneglycol)methacrylate], poly(N-vinylpiperidone), poly(N-vinylcaprolactam) poly(N-isopropylacrylamide)) it was shown that only those with strong molecular weight dependent LCSTs produced a single, cooperative, transition when blended together. Furthermore, the actual transition temperature was linked to the weight average not the number average molecular weight. The only polymer which did not show strong molecular-weight-LCST correlation was poly(oligo(ethyleneglycol)methacrylate), which showed two independent transitions, one for each polymer.
|Item Type:||Journal Article|
|Divisions:||Faculty of Science > Chemistry|
|Journal or Publication Title:||Polymer Chemistry|
|Publisher:||Royal Society of Chemistry|
|Official Date:||March 2012|
|Page Range:||pp. 794-799|
|Access rights to Published version:||Restricted or Subscription Access|
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