5-2 1H NMR spectrum of the PB homopolymer ................. ...............101.............

5-3 1H NMR spectrum of the hydrosilylated PB homopolymer............._ .........._ .....102

5-4 FTIR spectra of the PB homopolymer before and after hydrosilylation. ........._.............102

5-5 Cross-linking reaction involving hydrolysis and condensation of the triethoxysilane
 groups ................. ...............104................

5-6 Surface pressure-Mean Molecular Area isotherms of the hydrosilylated PB carried
 out after different reaction times (subphase pH = 3.0). ............. ....................10

5-7 Static elastic modulus-surface pressure curves of the hydrosilylated PB
 homopolymer at different reaction times (subphase pH = 3.0). ............. ....................105

5-8 MMA-time isobars of the hydrosilylated PB for various subphase pH values (ri= 10
 m N /m ). .............. ...............106....

5-9 Removal of the cross-linked hydrosilylated PB from the water surface ......................107

5-10 AFM topographic images of the LB films transferred onto mica substrates at zi= 10
 m N /m ............. ...............109....

5-11 Surface Pressure-MMA isotherms for the (PB200-b-PE0n)3 three-arm star block
 copolymers. ........._.._.. ...._... ...............111....

5-12 Isotherm of (PB76-b-PEO444)4 depicting how Apancake, Ao, and AApseudoplateau are
 determ ined............... ..............11

5-13 Linear dependence of AApseudoplateau On the total number of ethylene oxide units............1 12

5-14 Hydrosilylation of the pendant double bonds of the (PB-b-PEO)3 three-arm star
 block copolymers. ........... ..... .._ ...............113...

5-15 1H NMR spectra of the (PB200-b-PEO326)3 Star block copolymer and the
 corresponding hydrosilylated (PB(Si(OEt)3)-b-PEO)3 Star block copolymer. ................114

5-16 FTIR spectra of the (PB200-b-PEO326)3 Star block copolymer and the corresponding
 hydrosilylated (PB(Si(OEt)3)-b-PEO)3 Star block copolymer. ................ ................. .114

5-17 Surface Pressure-MMA isotherms of the (PB200-b-PEO326)3 Star block copolymer and
 of the corresponding hydrosilylated (PB(Si(OEt)3)-b-PEO)3 Star block copolymer
 before and after cross-linking. ........... ......... ...............116.....

5-18 Surface Pressure-MMA isotherms and compressibility-MMA curves of the
 hydrosilylated (PB(Si(OEt)3)-b-PEO)3 Star block copolymer at various reaction times
 (subphase pH = 3.0). ........... ......_._ ...............117...