Control through monomer placement of surface properties and morphology of fluoromethacrylate copolymers

Chen, Ao, Blakey, Idriss, Jack, Kevin S., Whittaker, Andrew K. and Peng, Hui (2015) Control through monomer placement of surface properties and morphology of fluoromethacrylate copolymers. Journal of Polymer Science, Part A: Polymer Chemistry, 53 22: 2633-2641. doi:10.1002/pola.27731


Author Chen, Ao
Blakey, Idriss
Jack, Kevin S.
Whittaker, Andrew K.
Peng, Hui
Title Control through monomer placement of surface properties and morphology of fluoromethacrylate copolymers
Journal name Journal of Polymer Science, Part A: Polymer Chemistry   Check publisher's open access policy
ISSN 1099-0518
0887-624X
Publication date 2015-06-25
Sub-type Article (original research)
DOI 10.1002/pola.27731
Volume 53
Issue 22
Start page 2633
End page 2641
Total pages 9
Place of publication Hoboken, United States
Publisher John Wiley & Sons
Collection year 2016
Language eng
Abstract The arrangement of monomers and morphology of fluorinated copolymers of methyl methacrylate (MMA) were found to be important for controlling the surface energy of the materials when formed into thin films. Novel copolymers of MMA and 2,2,3,3,4,4,4-heptafluorobutyl methacrylate (F3MA) were prepared with different monomer placement, namely statistical and block arrangements of the monomer units. The surface energies decreased with increasing incorporation of F3MA, in a manner consistent with previous reports for similar copolymers; however, the surface energies of the block copolymers were consistently lower than the statistical copolymers. This was interpreted as arising from conformational restriction of presentation of the fluoromonomers to the surface in the statistical copolymers, and formation of phase-separated domains at the surface of the block copolymers. The morphology of the block copolymers was confirmed by small angle X-ray scattering measurements, which allowed calculation of a solubility parameter for the fluorinated segments. The results have implications for the design of more environmentally acceptable materials with ultra-low surface energies.
Keyword Block copolymers
Fluoropolymers
Low surface energy
Phase separation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Early view of article. Published online 25 June 2015.

 
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