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General mechanism of photo-oxidative degradation

Propagation step reaction of free polymer radicals with oxygen, production of polymer oxy- and peroxy-radicals and secondary polymer radicals, resulting in chain scission. [Pg.24]

Termination step reaction of different free radicals with each other, resulting in crosslinking. [Pg.24]

The most important reactions which occur during the photo-oxidative degradation of almost all polymers are shown in the scheme below [193,853, 1766, 1804]  [Pg.24]

This scheme [853] will be discussed in detail in the following sections. [Pg.25]

See other pages where General mechanism of photo-oxidative degradation is mentioned: [Pg.24]    [Pg.25]    [Pg.27]    [Pg.29]   


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