Chemiluminescence from paper: II. The effect of sample crystallinity, morphology and size
Sample properties, such as crystallinity, morphology and size, potentially influencing chemiluminescence emission during atmospheric oxidation of cellulose, were studied. In order to obtain samples with 30.7, 26.4, 14.6, and 0.0% crystallinity, microcrystalline cellulose was milled to different exte...
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| Veröffentlicht in: | Polymer degradation and stability 2004-11, Vol.86 (2), p.269-274 |
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| container_end_page | 274 |
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| container_issue | 2 |
| container_start_page | 269 |
| container_title | Polymer degradation and stability |
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| creator | Kočar, Drago Luiz Pedersoli, José Strlič, Matija Kolar, Jana Rychlý, Jozef Matisová-Rychlá, Lyda |
| description | Sample properties, such as crystallinity, morphology and size, potentially influencing chemiluminescence emission during atmospheric oxidation of cellulose, were studied. In order to obtain samples with 30.7, 26.4, 14.6, and 0.0% crystallinity, microcrystalline cellulose was milled to different extents. It was shown that crystallinity has no major influence on chemiluminescence emissions either as a result of thermal or photo-oxidation. Pulp beating to different degrees was used to obtain pulp fibres of different morphology and thus different surfaces exposed to atmospheric oxygen. It was determined that the more refined the fibres, the larger is the content of peroxides present in the material. As a consequence, higher chemiluminescence emissions were observed. With the aim of sample miniaturisation samples of 0.11, 0.21, 0.47 and 0.70
mm were compared with the usual sample size of 9
mm diameter. The minimum sample diameter giving a satisfactory signal was 0.47
mm. |
| doi_str_mv | 10.1016/j.polymdegradstab.2004.05.005 |
| format | Article |
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mm were compared with the usual sample size of 9
mm diameter. The minimum sample diameter giving a satisfactory signal was 0.47
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mm were compared with the usual sample size of 9
mm diameter. The minimum sample diameter giving a satisfactory signal was 0.47
mm.</description><subject>Applied sciences</subject><subject>Cellulose</subject><subject>Chemiluminescence</subject><subject>Degradation</subject><subject>Exact sciences and technology</subject><subject>Oxidation</subject><subject>Physicochemistry of polymers</subject><subject>Polymer industry, paints, wood</subject><subject>Pulp</subject><subject>Technology of polymers</subject><issn>0141-3910</issn><issn>1873-2321</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNpdkD9PwzAUxC0EEqXwHbx0I-E5dpyGDVVQKlViKQOT5drPrSvnj-yAFD49qWDiLbec7t79CFkwyBkw-XDK-y6MjcVD1DYNep8XACKHMgcoL8iMLSueFbxgl2QGTLCM1wyuyU1KJ5hOlGxGPlZHbHz4bHyLyWBrkLrYNbTXPcZHutnkdHdEis6hGWjnaNJNH5CaOE6NIfjWD-M9bbrYH7vQHUaqW0uT_8ZbcuV0SHj3p3Py_vK8W71m27f1ZvW0zbAQ1ZC5yvHSyD0YKbAG4FWNvLJMSi0roUvjtNUMjHVcVtKBNtItuWAgJOxlXfM5Wfzm9joZHVzUrfFJ9dE3Oo6KyYLxJeOTb_3rw-mZL49RJePPg62P0zZlO68YqDNZdVL_yKozWQWlmsjyHx8uc60</recordid><startdate>20041101</startdate><enddate>20041101</enddate><creator>Kočar, Drago</creator><creator>Luiz Pedersoli, José</creator><creator>Strlič, Matija</creator><creator>Kolar, Jana</creator><creator>Rychlý, Jozef</creator><creator>Matisová-Rychlá, Lyda</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope></search><sort><creationdate>20041101</creationdate><title>Chemiluminescence from paper: II. The effect of sample crystallinity, morphology and size</title><author>Kočar, Drago ; Luiz Pedersoli, José ; Strlič, Matija ; Kolar, Jana ; Rychlý, Jozef ; Matisová-Rychlá, Lyda</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e247t-f7f35c6b0c64e900379e37d166a674a5cfada10cdf3676f0ac6f83410460b6993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Cellulose</topic><topic>Chemiluminescence</topic><topic>Degradation</topic><topic>Exact sciences and technology</topic><topic>Oxidation</topic><topic>Physicochemistry of polymers</topic><topic>Polymer industry, paints, wood</topic><topic>Pulp</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kočar, Drago</creatorcontrib><creatorcontrib>Luiz Pedersoli, José</creatorcontrib><creatorcontrib>Strlič, Matija</creatorcontrib><creatorcontrib>Kolar, Jana</creatorcontrib><creatorcontrib>Rychlý, Jozef</creatorcontrib><creatorcontrib>Matisová-Rychlá, Lyda</creatorcontrib><collection>Pascal-Francis</collection><jtitle>Polymer degradation and stability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kočar, Drago</au><au>Luiz Pedersoli, José</au><au>Strlič, Matija</au><au>Kolar, Jana</au><au>Rychlý, Jozef</au><au>Matisová-Rychlá, Lyda</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chemiluminescence from paper: II. The effect of sample crystallinity, morphology and size</atitle><jtitle>Polymer degradation and stability</jtitle><date>2004-11-01</date><risdate>2004</risdate><volume>86</volume><issue>2</issue><spage>269</spage><epage>274</epage><pages>269-274</pages><issn>0141-3910</issn><eissn>1873-2321</eissn><coden>PDSTDW</coden><abstract>Sample properties, such as crystallinity, morphology and size, potentially influencing chemiluminescence emission during atmospheric oxidation of cellulose, were studied. In order to obtain samples with 30.7, 26.4, 14.6, and 0.0% crystallinity, microcrystalline cellulose was milled to different extents. It was shown that crystallinity has no major influence on chemiluminescence emissions either as a result of thermal or photo-oxidation. Pulp beating to different degrees was used to obtain pulp fibres of different morphology and thus different surfaces exposed to atmospheric oxygen. It was determined that the more refined the fibres, the larger is the content of peroxides present in the material. As a consequence, higher chemiluminescence emissions were observed. With the aim of sample miniaturisation samples of 0.11, 0.21, 0.47 and 0.70
mm were compared with the usual sample size of 9
mm diameter. The minimum sample diameter giving a satisfactory signal was 0.47
mm.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.polymdegradstab.2004.05.005</doi><tpages>6</tpages></addata></record> |
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| ispartof | Polymer degradation and stability, 2004-11, Vol.86 (2), p.269-274 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Cellulose Chemiluminescence Degradation Exact sciences and technology Oxidation Physicochemistry of polymers Polymer industry, paints, wood Pulp Technology of polymers |
| title | Chemiluminescence from paper: II. The effect of sample crystallinity, morphology and size |
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