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. Author manuscript; available in PMC: 2012 Feb 5.
Published in final edited form as: Colloids Surf A Physicochem Eng Asp. 2011 Feb 5;375(1-3):147–155. doi: 10.1016/j.colsurfa.2010.11.079

Figure 4.

Figure 4

FTIR spectra of polymer from styrene and divinylbenezene before (spectrum of P(ST-co-DVB)) and after (spectrum of P(ST-co-DVB-b-tBA)) addition of t-butyl acrylate. The co-existing of the vibration peak of benzene (1600, 1493 and 1454 cm-1) and ester (1728 and 1151 cm-1) indicates the formation of the block copolymer, P(ST-co-DVB-b-tBA).