Thermoluminescence and Phosphorescence in Polyethylene Under Ultra-Violet Irradiation
The thermoluminescence of polyethylene induced at low temperature by ultra-violet radiation has been studied and compared with that induced by γ-radiation. Although considerable similarity exists between these two, the total thermoluminescence output under u. v. irradiation is found to be dose rate...
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| Veröffentlicht in: | Proc. Roy. Soc. (London), Ser. A Ser. A, 1965-01, Vol.283 (1394), p.329-342 |
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| container_end_page | 342 |
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| container_issue | 1394 |
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| container_title | Proc. Roy. Soc. (London), Ser. A |
| container_volume | 283 |
| creator | Charlesby, A. Partridge, R. H. |
| description | The thermoluminescence of polyethylene induced at low temperature by ultra-violet radiation has been studied and compared with that induced by γ-radiation. Although considerable similarity exists between these two, the total thermoluminescence output under u. v. irradiation is found to be dose rate dependent, whereas under γ-irradiation it is independent of dose rate. Study of the low temperature u. v. induced phosphorescence of polyethylene, together with data from the preceding paper, enables a model to be suggested to explain this basic difference. This involves the double excitation and consequent ionization of carbonyl molecules attached to the molecular chains when exposed to u. v. radiation, while γ-radiation is able to cause direct ionization. Measurement of the phosphorescence intensity variation with temperature for a typical low-density polyethylene showed very clearly the two main polyethylene structural transitions noticed in the previous thermoluminescence studies. |
| doi_str_mv | 10.1098/rspa.1965.0024 |
| format | Article |
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H.</creator><creatorcontrib>Charlesby, A. ; Partridge, R. H. ; Royal Coll. of Science, Swindon, Eng</creatorcontrib><description>The thermoluminescence of polyethylene induced at low temperature by ultra-violet radiation has been studied and compared with that induced by γ-radiation. Although considerable similarity exists between these two, the total thermoluminescence output under u. v. irradiation is found to be dose rate dependent, whereas under γ-irradiation it is independent of dose rate. Study of the low temperature u. v. induced phosphorescence of polyethylene, together with data from the preceding paper, enables a model to be suggested to explain this basic difference. This involves the double excitation and consequent ionization of carbonyl molecules attached to the molecular chains when exposed to u. v. radiation, while γ-radiation is able to cause direct ionization. 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H.</creatorcontrib><creatorcontrib>Royal Coll. of Science, Swindon, Eng</creatorcontrib><title>Thermoluminescence and Phosphorescence in Polyethylene Under Ultra-Violet Irradiation</title><title>Proc. Roy. Soc. (London), Ser. A</title><addtitle>Proc. R. Soc. Lond. A</addtitle><addtitle>Proc. R. Soc. Lond. A</addtitle><description>The thermoluminescence of polyethylene induced at low temperature by ultra-violet radiation has been studied and compared with that induced by γ-radiation. Although considerable similarity exists between these two, the total thermoluminescence output under u. v. irradiation is found to be dose rate dependent, whereas under γ-irradiation it is independent of dose rate. Study of the low temperature u. v. induced phosphorescence of polyethylene, together with data from the preceding paper, enables a model to be suggested to explain this basic difference. This involves the double excitation and consequent ionization of carbonyl molecules attached to the molecular chains when exposed to u. v. radiation, while γ-radiation is able to cause direct ionization. Measurement of the phosphorescence intensity variation with temperature for a typical low-density polyethylene showed very clearly the two main polyethylene structural transitions noticed in the previous thermoluminescence studies.</description><subject>CHEMISTRY</subject><subject>DENSITY</subject><subject>EXCITATION</subject><subject>IONIZATION</subject><subject>Irradiation</subject><subject>Low temperature</subject><subject>LUMINESCENCE</subject><subject>Oxygen</subject><subject>PHOSPHORESCENCE</subject><subject>PHOSPHORS</subject><subject>Photons</subject><subject>POLYETHYLENES</subject><subject>Radiation Chemistry</subject><subject>Radiation dosage</subject><subject>RADIATION EFFECTS</subject><subject>TEMPERATURE</subject><subject>Thermoluminescence</subject><subject>ULTRAVIOLET RADIATION</subject><issn>1364-5021</issn><issn>0080-4630</issn><issn>1471-2946</issn><issn>2053-9169</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1965</creationdate><recordtype>article</recordtype><recordid>eNp9UU2P0zAQjRBILAtXThwi7un6I47tE1pVQFesRMVui7SXkZs4xCW1I9uFLb8ep4GVKsRebM_MezNvnrPsNUYzjKS48GFQMywrNkOIlE-yM1xyXBBZVk_Tm1ZlwRDBz7MXIWwRQpIJfpatbjvtd67f74zVoda21rmyTb7sXBg65__mjM2Xrj_o2B16bXW-so32-aqPXhVr43od8yvvVWNUNM6-zJ61qg_61Z_7PLv58P52viiuP3-8ml9eFzXjOBaSopZyxTCVjDGBSdu0aoMkx6KlUpGNoLwRrJWI0g3XKh2obZCinFEq6Xn2durqQjQQahN13dXOWl1HKCtGSj6CZhOo9i4Er1sYvNkpfwCMYPQNRt9g9A1G3xKBTgTvDkm7q42OB9i6vbcp_D8rPMb6crO8xJKKH0RQk9YtAQmKUUkrKuCXGY7tRgAkAJgQ9hqOsNMx_059M03dhuj8w2akxIxwnMrFVDYh6vuHsvLfoeLJRFiLEsjX-eLTenEHdwmPJ3xnvnU_jddwsk0KBh_UUeJRHCWjv-8e5YyC059EbeMJEdp938PQtPQ3mPzZCw</recordid><startdate>19650119</startdate><enddate>19650119</enddate><creator>Charlesby, A.</creator><creator>Partridge, R. H.</creator><general>The Royal Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19650119</creationdate><title>Thermoluminescence and Phosphorescence in Polyethylene Under Ultra-Violet Irradiation</title><author>Charlesby, A. ; Partridge, R. H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c571t-930f37a5139555812fdfab09718f39a2b837d85f9033b7ea3b70fd0a3753393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1965</creationdate><topic>CHEMISTRY</topic><topic>DENSITY</topic><topic>EXCITATION</topic><topic>IONIZATION</topic><topic>Irradiation</topic><topic>Low temperature</topic><topic>LUMINESCENCE</topic><topic>Oxygen</topic><topic>PHOSPHORESCENCE</topic><topic>PHOSPHORS</topic><topic>Photons</topic><topic>POLYETHYLENES</topic><topic>Radiation Chemistry</topic><topic>Radiation dosage</topic><topic>RADIATION EFFECTS</topic><topic>TEMPERATURE</topic><topic>Thermoluminescence</topic><topic>ULTRAVIOLET RADIATION</topic><toplevel>online_resources</toplevel><creatorcontrib>Charlesby, A.</creatorcontrib><creatorcontrib>Partridge, R. H.</creatorcontrib><creatorcontrib>Royal Coll. of Science, Swindon, Eng</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Proc. Roy. Soc. (London), Ser. A</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Charlesby, A.</au><au>Partridge, R. H.</au><aucorp>Royal Coll. of Science, Swindon, Eng</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermoluminescence and Phosphorescence in Polyethylene Under Ultra-Violet Irradiation</atitle><jtitle>Proc. Roy. Soc. (London), Ser. A</jtitle><stitle>Proc. R. Soc. Lond. A</stitle><addtitle>Proc. R. Soc. Lond. A</addtitle><date>1965-01-19</date><risdate>1965</risdate><volume>283</volume><issue>1394</issue><spage>329</spage><epage>342</epage><pages>329-342</pages><issn>1364-5021</issn><issn>0080-4630</issn><eissn>1471-2946</eissn><eissn>2053-9169</eissn><abstract>The thermoluminescence of polyethylene induced at low temperature by ultra-violet radiation has been studied and compared with that induced by γ-radiation. Although considerable similarity exists between these two, the total thermoluminescence output under u. v. irradiation is found to be dose rate dependent, whereas under γ-irradiation it is independent of dose rate. Study of the low temperature u. v. induced phosphorescence of polyethylene, together with data from the preceding paper, enables a model to be suggested to explain this basic difference. This involves the double excitation and consequent ionization of carbonyl molecules attached to the molecular chains when exposed to u. v. radiation, while γ-radiation is able to cause direct ionization. Measurement of the phosphorescence intensity variation with temperature for a typical low-density polyethylene showed very clearly the two main polyethylene structural transitions noticed in the previous thermoluminescence studies.</abstract><cop>London</cop><pub>The Royal Society</pub><doi>10.1098/rspa.1965.0024</doi><tpages>14</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1364-5021 |
| ispartof | Proc. Roy. Soc. (London), Ser. A, 1965-01, Vol.283 (1394), p.329-342 |
| issn | 1364-5021 0080-4630 1471-2946 2053-9169 |
| language | eng |
| recordid | cdi_royalsociety_journals_10_1098_rspa_1965_0024 |
| source | JSTOR Mathematics & Statistics; JSTOR Archive Collection A-Z Listing |
| subjects | CHEMISTRY DENSITY EXCITATION IONIZATION Irradiation Low temperature LUMINESCENCE Oxygen PHOSPHORESCENCE PHOSPHORS Photons POLYETHYLENES Radiation Chemistry Radiation dosage RADIATION EFFECTS TEMPERATURE Thermoluminescence ULTRAVIOLET RADIATION |
| title | Thermoluminescence and Phosphorescence in Polyethylene Under Ultra-Violet Irradiation |
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