In polymer chemistry photo-oxidation (sometimes: oxidative photodegradation) is the degradation of a polymer surface due to the combined action of light...

which causes photo-oxidation of polymers that breaks polymer chains and causes the plastic to yellow and become brittle. One method of reversing the...

Norrish type II reactions. While of limited synthetic utility these reactions are important in the photo-oxidation of polymers such as polyolefins, polyesters...

during the initial processing of the plastic. Persistent radical scavengers prevent or slow the photo-oxidation of polymers. Traditionally these are alkylated...

measure the heat flow associated with oxidation. Autoxidation Photo-oxidation of polymers Weather testing of polymers Environmental stress cracking Pielichowski...

Common polymer degradation processes include oxidation, UV-damage, thermal degradation, ozonolysis, combinations thereof such as photo-oxidation, as well...

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...

Accelerated photo-ageing of polymers in SEPAP units is the controlled polymer degradation and polymer coating degradation under lab or natural conditions...

1080/15321799408009632. Feldman, D. (1 October 2002). "Polymer Weathering: Photo-Oxidation". Journal of Polymers and the Environment. 10 (4): 163–173. doi:10...

polymers. These compounds are typically derivatives of tetramethylpiperidine and are primarily used to protect the polymers from the effects of photo-oxidation;...

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...

Conductive polymers or, more precisely, intrinsically conducting polymers (ICPs) are organic polymers that conduct electricity. Such compounds may have...

either synthetic polymers or natural polymers (such as proteins). In polymer chemistry "cross-linking" usually refers to the use of cross-links to promote...

polymer weathering – photo-oxidation of polymersPages displaying wikidata descriptions as a fallback Metasomatism – Chemical alteration of a rock by hydrothermal...

functional groups. The use of multi-functional initiators facilitates the synthesis of lower-arm star polymers and telechelic polymers. External visible light...

(2021-01-01). "Thermal initiation of the oxidation of thermoplastic polymers (Polyamides, Polyesters and UHMwPE)". Polymer Degradation and Stability. 183:...

cleavage of covalent bonds which initiates the photo-aging process. The reaction can be propagated via side chain oxidation, ring oxidation or photo-Fries...

enhance the biodegradation of polymers by allowing microorganisms to utilize the carbon within the polymer chain as a source of energy. Biodegradable additives...

Mark T (1996). "Effect of the crystallinity and morphology on the microcellular foam structure of semicrystalline polymers". Polymer Engineering & Science...

to oxidation and ozonolysis. They can be protected by antiozonants. Oxidation can be accelerated by UV radiation in natural sunlight to cause photo-oxidation...

Photoconductive polymers absorb electromagnetic radiation and produce an increase of electrical conductivity. Photoconductive polymers have been used in...

a variety of processes, the most significant of which is usually photo-oxidation. Their chemical structure determines their fate. Polymers' marine degradation...

though the polymer used had 2 limitations; low conductivity and the difficulty of injecting electrons. Later development of conjugated polymers would allow...

sensitizers (only a few % by weight) free radical initiated photo cross-linking of polymers Issues: potential oxygen inhibition swelling during development...

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...

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...

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...

this method known as fluorescence photo-oxidation, fluorescent molecules can be utilized to drive the oxidation of diaminobenzidine (DAB) to create a...

Polymer-fullerene bulk heterojunction solar cells are a type of solar cell researched in academic laboratories. Polymer-fullerene solar cells are a subset...

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...