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Neutron reflectivity study of concentration profile of polystyrene polymer brushes
Satija S.K., Ankner J.F., Majkrzak C.F., Mansfield T., Beaucage G., Stein R.S., Iyengar D.R., McCarthy T.J., Composto R.J.,
Published in Publ by ACS, Washington, DC, United States
Volume: 67
Pages: 159 - 160
In this paper, we present experimental evidence that carboxylic-acid-terminated deuterated-polystyrene (DPS-COOH) in cyclohexane (CH), a poor solvent, forms a weakly stretched brush with a parabolic concentration profile. In contrast, carboxylic-acid-terminated polystyrene (PS-COOH) in deuterated cyclohexane (DCH) forms a layer about 50% thinner with a parabolic profile considerably rounded near the free chain ends.
About the journal
JournalPolymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering
PublisherPubl by ACS, Washington, DC, United States
Open AccessNo