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Photodegradation, polymer film

Photodegradable polymer films were derived by polymerization of vinyl acetate and acrylic monomers in a polyethylene matrix [775]. Poly(vinyl acetate) films have been used to monitor UV radiation [1745]. [Pg.134]

Mass transport associated with photodegraded azochromophores, which occurs for high-power writing lasers. It has been observed with azopolymers as well as small dyes transferred onto a polymer film by the ELBL technique. It is interesting that, for spin-coated high Tg polymer... [Pg.435]

Fundamental questions related to the electronic configuration of the open or colored forms and the number and structures of the photomerocyanine isomers are considered on the basis of the results of continuous-wave (stationary) and time-resolved (picosecond, nanosecond, and millisecond) Raman experiments. For spironaphthoxazine photochromic compounds, the Raman spectra may be attributed to the TTC (trans-trans-cis) isomer having a dominant quinoidal electronic configuration. Surface-enhanced resonance Raman spectroscopy (SERRS) is demonstrated as a new analytical method for the study of the photodegradation process in solution for nitro-BIPS derivatives. The development of this method could lead to the identification of the photoproducts in thin polymer films or sol-gel matrices and ultimately to control of degradation. [Pg.8]

For better analyses of photodegradation of polymer films it will be necessary to derive expressions handling the common occurrence in which the extinction coefficient for the active... [Pg.30]

See other pages where Photodegradation, polymer film is mentioned: [Pg.299]    [Pg.299]    [Pg.475]    [Pg.162]    [Pg.213]    [Pg.120]    [Pg.273]    [Pg.315]    [Pg.433]    [Pg.270]    [Pg.462]    [Pg.475]    [Pg.431]    [Pg.456]    [Pg.551]    [Pg.201]    [Pg.298]    [Pg.169]    [Pg.29]    [Pg.29]    [Pg.30]    [Pg.30]    [Pg.30]    [Pg.31]    [Pg.31]    [Pg.31]    [Pg.33]    [Pg.35]    [Pg.37]    [Pg.39]    [Pg.41]    [Pg.41]    [Pg.44]    [Pg.502]    [Pg.616]    [Pg.619]    [Pg.620]    [Pg.622]    [Pg.705]    [Pg.279]    [Pg.101]    [Pg.640]    [Pg.431]    [Pg.456]    [Pg.468]    [Pg.166]   
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Polymers photodegradation

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