Reactivity of allyl and vinyl pentosides in photo-initiated donor-acceptor copolymerization - Carbohydrate Chemistry: Chemical and Biological Approaches - page 292

irradiation by visible light at 30 1C under nitrogen atmosphere (Linkam
LTS 350 stage equipped with a cooling system). The obtained materials
were thermally analyzed by Modulated Differential Scanning Calorimetry
(MDSC).
Mixed donor-acceptor monomers. The glass transition temperature of
FAIR polymerized with 1 wt-% of TPO as photo-initiator gradually in-
creases with irradiation time (Fig. 7) and conversion (Fig. 8). Further-
more, the glass transition broadens as the crosslinking proceeds due to
increasing heterogeneity within the material. For a final conversion of
Fig. 7 Glass transition temperature of TAX copolymerized with 4 eq of DEF (full symbols)
and FAIR (open symbols) in function of irradiation times (PI: 1 wt-% of TPO, Irradiation:
350 nm light, P = 150 W).
Fig. 8 Glass transition temperature determined by DSC for TAX copolymerized with 4 eq
of DEF (full symbols) and FAIR (open symbols) in function of total conversions in functions
(PI: 1 wt-% of TPO, Irradiation: 350 nm light, P = 150 W).