Poly(allyl methacrylate) (PAMA) and random copolymers of styrene (St) with allyl
methacrylate (AMA) were prepared via atom transfer radical polymerization. For the homopolymerization
of AMA, the maximum conversion depends on the reaction conditions and on the monomer/initiator ratio.
For the copolymerization, AMA conversions of up to 90% were obtained while no cross-linking occurred.
Kinetic studies of the homopolymerization revealed a controlled polymerization up to a certain conversion
whereas at higher conversions, multimodal molecular weight distributions caused by branching reactions
and cross-linking were observed. The copolymerization of AMA with St allowed a controlled reaction up
to conversions higher than 90%. The copolymers obtained were soluble in standard organic solvents. In
a subsequent reaction, these copolymers were cross-linked both thermally and photochemically using
suitable initiators. Moreover, pendant double bonds were brominated quantitatively.
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