STABILIZATION AND MODIFICATION OF CELLULOSE DIACETATE - Photochemical Reactions in Heterochain Polymers - page 87

e

lg

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4,8

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HM

Figure 2.28. U-v spectrum (acetonitrile) 1-CA-film, containing 5 % of compound (II) before irradiation;
2 - the same sample after irradiation; 3 - CA-film, containing 2% of compound (II) before, 4 - and
after irradiation.

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Figure 2.29. U-v spectrum (acetonitrile) 1- CA-film, containing 5 % of compound (III) before
irradiation; 2 - the same sample after irradiation; 3 - CA-film, containing 2% of compound (III) before,
4 - and after irradiation.