In polymer chemistry photo-oxidation (sometimes: oxidative photodegradation) is the degradation of a polymer surface due to the combined action of light...
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measure the heat flow associated with oxidation. Autoxidation Photo-oxidation of polymers Weather testing of polymers Environmental stress cracking Pielichowski...
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which causes photo-oxidation of polymers that breaks polymer chains and causes the plastic to yellow and become brittle. One method of reversing the...
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Norrish type II reactions. While of limited synthetic utility these reactions are important in the photo-oxidation of polymers such as polyolefins, polyesters...
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Common polymer degradation processes include oxidation, UV-damage, thermal degradation, ozonolysis, combinations thereof such as photo-oxidation, as well...
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Stabilizer (chemistry) (section Polymers)
during the initial processing of the plastic. Persistent radical scavengers prevent or slow the photo-oxidation of polymers. Traditionally these are alkylated...
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ethylene oxide (EtO). Yellowing in ABS plastic occurs when it is exposed to UV light or excessive heat, which causes photo-oxidation of polymers that breaks...
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1080/15321799408009632. Feldman, D. (1 October 2002). "Polymer Weathering: Photo-Oxidation". Journal of Polymers and the Environment. 10 (4): 163–173. doi:10...
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polymers. These compounds are typically derivatives of tetramethylpiperidine and are primarily used to protect the polymers from the effects of photo-oxidation;...
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Self-healing material (redirect from Self-healing Polymers)
initially used to make the polymer. During the last few decades, two types of reversible polymers have been studied: (i) polymers where the pendant groups...
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Conductive polymers or, more precisely, intrinsically conducting polymers (ICPs) are organic polymers that conduct electricity. Such compounds may have...
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Cross-link (redirect from Crosslinked polymer)
either synthetic polymers or natural polymers (such as proteins). In polymer chemistry "cross-linking" usually refers to the use of cross-links to promote...
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Weathering (redirect from Weathering of buildings)
polymer weathering – photo-oxidation of polymersPages displaying wikidata descriptions as a fallback Metasomatism – Chemical alteration of a rock by hydrothermal...
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Accelerated photo-ageing of polymers in SEPAP units is the controlled polymer degradation and polymer coating degradation under lab or natural conditions...
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functional groups. The use of multi-functional initiators facilitates the synthesis of lower-arm star polymers and telechelic polymers. External visible light...
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Polycarbonate (redirect from Disposal of CDs and DVDs - Environmental Impact)
cleavage of covalent bonds which initiates the photo-aging process. The reaction can be propagated via side chain oxidation, ring oxidation or photo-Fries...
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Antioxidant (redirect from Oxidation inhibitors)
to oxidation and ozonolysis. They can be protected by antiozonants. Oxidation can be accelerated by UV radiation in natural sunlight to cause photo-oxidation...
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enhance the biodegradation of polymers by allowing microorganisms to utilize the carbon within the polymer chain as a source of energy. Biodegradable additives...
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Photoresist (redirect from Photo resist)
sensitizers (only a few % by weight) free radical initiated photo cross-linking of polymers Issues: potential oxygen inhibition swelling during development...
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Oxo-degradation is a process of plastic degradation utilizing oxidation to reduce the molecular weight of plastic, rendering the material accessible to...
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Photoconductive polymers absorb electromagnetic radiation and produce an increase of electrical conductivity. Photoconductive polymers have been used in...
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OLED (redirect from Polymer light-emitting diode)
though the polymer used had 2 limitations; low conductivity and the difficulty of injecting electrons. Later development of conjugated polymers would allow...
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Plastic (redirect from Biodegradability of polymers)
a variety of processes, the most significant of which is usually photo-oxidation. Their chemical structure determines their fate. Polymers' marine degradation...
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(2021-01-01). "Thermal initiation of the oxidation of thermoplastic polymers (Polyamides, Polyesters and UHMwPE)". Polymer Degradation and Stability. 183:...
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class of polymers consists of natural polymers with inherent antimicrobial activity and polymers modified to exhibit antimicrobial activity. Polymers are...
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Solid (redirect from Solid (state of matter))
process is called polymerization and the chains or networks polymers, while the source compound is a monomer. Two main groups of polymers exist: those artificially...
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Photodegradation (redirect from Photo-degradation)
alteration of materials by light. Commonly, the term is used loosely to refer to the combined action of sunlight and air, which cause oxidation and hydrolysis...
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Polystyrene (redirect from Biodegradation of polystyrene)
to have been a polymer, that he dubbed styrol oxide ("Styroloxyd") because he presumed that it had resulted from oxidation (styrene oxide is a distinct...
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added to plastic packaging as a UV blocker to prevent photo-degradation of the packaging polymers or its contents. Its use allows manufacturers to package...
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electrodes, as well as damage caused by air or oxidation of the electrodes, the environmental stability of these OPVs remains the most difficult challenge...
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