Photodegradation oxidation

Figure 5.25 Double reciprocal plot of v. [Ti02] for the photodegradative oxidation of phaiol, illustrating the procedure for obtaining quantum yields from the limiting photonic efficiency.

Weatherability is defined as the retention of the general mechanical, chemical, electrical, and other physical properties when exposed outdoors for extended time periods. Good weatherability is important to the selection of materials for outdoor use. Sunlight, oxygen, moisture, and pollutants like acid gases can be destructive to plastic materials. The nature of attacks is by photodegradation, oxidative, and chemi-... 

Biodegradable polymers are commonly those that undergo a micro-biaUy induced degradation, i.e., a chain scission. This will result in mineralization, photodegradation, oxidation, and hydrolysis. In this way, the polymer is altered in the course of the degradation process (48). 

Environmentally degradable polymers fall into the categories of biodegradation, photodegradation, oxidation, and hydrolysis. Biodegradation has been the most... 

Test Protocols for Photodegradable / Oxidatively Degradable Plastics... 

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