• Thumbnail for Photo-oxidation of polymers
    In polymer chemistry photo-oxidation (sometimes: oxidative photodegradation) is the degradation of a polymer surface due to the combined action of light...
    43 KB (4,994 words) - 18:44, 3 September 2024
  • measure the heat flow associated with oxidation. Autoxidation Photo-oxidation of polymers Weather testing of polymers Environmental stress cracking Pielichowski...
    7 KB (813 words) - 04:35, 20 August 2024
  • Thumbnail for Retrobright
    which causes photo-oxidation of polymers that breaks polymer chains and causes the plastic to yellow and become brittle. One method of reversing the...
    10 KB (782 words) - 05:29, 21 August 2024
  • Norrish type II reactions. While of limited synthetic utility these reactions are important in the photo-oxidation of polymers such as polyolefins, polyesters...
    10 KB (1,225 words) - 15:47, 26 September 2024
  • during the initial processing of the plastic. Persistent radical scavengers prevent or slow the photo-oxidation of polymers. Traditionally these are alkylated...
    5 KB (500 words) - 04:09, 5 September 2024
  • Common polymer degradation processes include oxidation, UV-damage, thermal degradation, ozonolysis, combinations thereof such as photo-oxidation, as well...
    27 KB (3,131 words) - 04:54, 12 August 2024
  • Thumbnail for Acrylonitrile butadiene styrene
    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...
    23 KB (2,183 words) - 06:05, 21 August 2024
  • Thumbnail for Polymer degradation
    1080/15321799408009632. Feldman, D. (1 October 2002). "Polymer Weathering: Photo-Oxidation". Journal of Polymers and the Environment. 10 (4): 163–173. doi:10...
    40 KB (4,448 words) - 18:12, 21 July 2024
  • Thumbnail for Weather testing of polymers
    Accelerated photo-ageing of polymers in SEPAP units is the controlled polymer degradation and polymer coating degradation under lab or natural conditions...
    14 KB (2,097 words) - 09:46, 6 September 2024
  • Thumbnail for Hindered amine light stabilizers
    polymers. These compounds are typically derivatives of tetramethylpiperidine and are primarily used to protect the polymers from the effects of photo-oxidation;...
    5 KB (615 words) - 23:24, 21 September 2024
  • Thumbnail for Weathering
    polymer weathering – photo-oxidation of polymersPages displaying wikidata descriptions as a fallback Metasomatism – Chemical alteration of a rock by hydrothermal...
    42 KB (5,280 words) - 03:14, 16 September 2024
  • Thumbnail for Conductive polymer
    Conductive polymers or, more precisely, intrinsically conducting polymers (ICPs) are organic polymers that conduct electricity. Such compounds may have...
    31 KB (3,319 words) - 10:43, 17 September 2024
  • Thumbnail for Cross-link
    either synthetic polymers or natural polymers (such as proteins). In polymer chemistry "cross-linking" usually refers to the use of cross-links to promote...
    18 KB (1,797 words) - 09:34, 27 July 2024
  • Thumbnail for Self-healing material
    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...
    100 KB (12,018 words) - 01:53, 24 September 2024
  • Thumbnail for Atom transfer radical polymerization
    functional groups. The use of multi-functional initiators facilitates the synthesis of lower-arm star polymers and telechelic polymers. External visible light...
    35 KB (4,289 words) - 14:18, 8 June 2024
  • to oxidation and ozonolysis. They can be protected by antiozonants. Oxidation can be accelerated by UV radiation in natural sunlight to cause photo-oxidation...
    94 KB (10,236 words) - 01:59, 17 September 2024
  • Thumbnail for Polycarbonate
    cleavage of covalent bonds which initiates the photo-aging process. The reaction can be propagated via side chain oxidation, ring oxidation or photo-Fries...
    39 KB (3,782 words) - 21:54, 24 September 2024
  • enhance the biodegradation of polymers by allowing microorganisms to utilize the carbon within the polymer chain as a source of energy. Biodegradable additives...
    24 KB (2,873 words) - 18:24, 19 June 2024
  • (2021-01-01). "Thermal initiation of the oxidation of thermoplastic polymers (Polyamides, Polyesters and UHMwPE)". Polymer Degradation and Stability. 183:...
    7 KB (748 words) - 18:59, 16 February 2024
  • Photoconductive polymers absorb electromagnetic radiation and produce an increase of electrical conductivity. Photoconductive polymers have been used in...
    21 KB (2,776 words) - 16:42, 14 December 2023
  • Thumbnail for Polypropylene
    Mark T (1996). "Effect of the crystallinity and morphology on the microcellular foam structure of semicrystalline polymers". Polymer Engineering & Science...
    51 KB (5,887 words) - 06:59, 28 September 2024
  • Thumbnail for Solid
    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...
    40 KB (5,368 words) - 13:13, 22 August 2024
  • Thumbnail for Plastic
    significant of which is usually photo-oxidation. Their chemical structure determines their fate. Polymers' marine degradation takes much longer as a result of the...
    93 KB (11,806 words) - 02:23, 2 September 2024
  • Thumbnail for Photoresist
    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...
    29 KB (3,241 words) - 09:30, 11 August 2024
  • Thumbnail for OLED
    though the polymer used had 2 limitations; low conductivity and the difficulty of injecting electrons. Later development of conjugated polymers would allow...
    158 KB (17,753 words) - 07:39, 24 September 2024
  • Thumbnail for Photodegradation
    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...
    9 KB (1,094 words) - 05:45, 25 July 2024
  • Thumbnail for 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...
    82 KB (8,591 words) - 13:10, 26 August 2024
  • Thumbnail for Benzophenone
    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...
    17 KB (1,437 words) - 22:00, 9 September 2024
  • identified as resulting from oxidative cleavage of macromolecules". This describes ordinary plastics which abiotically degrade by oxidation in the open environment...
    16 KB (1,742 words) - 14:14, 27 September 2024
  • Thumbnail for Phalloidin
    this method known as fluorescence photo-oxidation, fluorescent molecules can be utilized to drive the oxidation of diaminobenzidine (DAB) to create a...
    15 KB (1,696 words) - 16:56, 14 June 2024