Air plasma processing of poly(methyl methacrylate) micro-beads: Surface characterisations
► PMMA micro-beads were processed using a rotary air plasma reactor. ► Surface chemistry and surface texture of PMMA micro-beads were characterised. ► Surface wettability was evaluated using “floating” water contact angle method. ► Surface oxidation and texture changes induced by air plasma attribut...
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| Veröffentlicht in: | Applied surface science 2012-10, Vol.259, p.840-846 |
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| creator | Liu, Chaozong Cui, Nai-Yi Osbeck, Susan Liang, He |
| description | ► PMMA micro-beads were processed using a rotary air plasma reactor. ► Surface chemistry and surface texture of PMMA micro-beads were characterised. ► Surface wettability was evaluated using “floating” water contact angle method. ► Surface oxidation and texture changes induced by air plasma attributed to the improvement of surface wettability.
This paper reports the surface processing of poly(methyl methacrylate) (PMMA) micro-beads by using a rotary air plasma reactor, and its effects on surface properties. The surface properties, including surface wettability, surface chemistry and textures of the PMMA beads, were characterised. It was observed that the air plasma processing can improve the surface wettability of the PMMA microbeads significantly. A 15min plasma processing can reduce the surface water contact angle of PMMA beads to about 50° from its original value of 80.3°. This was accompanied by about 8% increase in surface oxygen concentration as confirmed by XPS analysis. The optical profilometry examination revealed the air plasma processing resulted in a rougher surface that has a “delicate” surface texture. It is concluded that the surface chemistry and texture, induced by air plasma processing, co-contributed to the surface wettability improvement of PMMA micro-beads. |
| doi_str_mv | 10.1016/j.apsusc.2012.07.140 |
| format | Article |
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This paper reports the surface processing of poly(methyl methacrylate) (PMMA) micro-beads by using a rotary air plasma reactor, and its effects on surface properties. The surface properties, including surface wettability, surface chemistry and textures of the PMMA beads, were characterised. It was observed that the air plasma processing can improve the surface wettability of the PMMA microbeads significantly. A 15min plasma processing can reduce the surface water contact angle of PMMA beads to about 50° from its original value of 80.3°. This was accompanied by about 8% increase in surface oxygen concentration as confirmed by XPS analysis. The optical profilometry examination revealed the air plasma processing resulted in a rougher surface that has a “delicate” surface texture. It is concluded that the surface chemistry and texture, induced by air plasma processing, co-contributed to the surface wettability improvement of PMMA micro-beads.</description><identifier>ISSN: 0169-4332</identifier><identifier>EISSN: 1873-5584</identifier><identifier>DOI: 10.1016/j.apsusc.2012.07.140</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Air plasma ; Air plasma processing ; Beads ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Physics ; Poly(methyl methacrylate) beads ; Polymethyl methacrylates ; Surface chemistry ; Surface layer ; Surface properties ; Surface texture ; Texture ; Wettability</subject><ispartof>Applied surface science, 2012-10, Vol.259, p.840-846</ispartof><rights>2012 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-41f7bf9ee12e4653947ec84de4bf0dad0948319ba8439a1a716fbe144207208c3</citedby><cites>FETCH-LOGICAL-c415t-41f7bf9ee12e4653947ec84de4bf0dad0948319ba8439a1a716fbe144207208c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0169433212013499$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26380306$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Chaozong</creatorcontrib><creatorcontrib>Cui, Nai-Yi</creatorcontrib><creatorcontrib>Osbeck, Susan</creatorcontrib><creatorcontrib>Liang, He</creatorcontrib><title>Air plasma processing of poly(methyl methacrylate) micro-beads: Surface characterisations</title><title>Applied surface science</title><description>► PMMA micro-beads were processed using a rotary air plasma reactor. ► Surface chemistry and surface texture of PMMA micro-beads were characterised. ► Surface wettability was evaluated using “floating” water contact angle method. ► Surface oxidation and texture changes induced by air plasma attributed to the improvement of surface wettability.
This paper reports the surface processing of poly(methyl methacrylate) (PMMA) micro-beads by using a rotary air plasma reactor, and its effects on surface properties. The surface properties, including surface wettability, surface chemistry and textures of the PMMA beads, were characterised. It was observed that the air plasma processing can improve the surface wettability of the PMMA microbeads significantly. A 15min plasma processing can reduce the surface water contact angle of PMMA beads to about 50° from its original value of 80.3°. This was accompanied by about 8% increase in surface oxygen concentration as confirmed by XPS analysis. The optical profilometry examination revealed the air plasma processing resulted in a rougher surface that has a “delicate” surface texture. It is concluded that the surface chemistry and texture, induced by air plasma processing, co-contributed to the surface wettability improvement of PMMA micro-beads.</description><subject>Air plasma</subject><subject>Air plasma processing</subject><subject>Beads</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Physics</subject><subject>Poly(methyl methacrylate) beads</subject><subject>Polymethyl methacrylates</subject><subject>Surface chemistry</subject><subject>Surface layer</subject><subject>Surface properties</subject><subject>Surface texture</subject><subject>Texture</subject><subject>Wettability</subject><issn>0169-4332</issn><issn>1873-5584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kDlLBEEQhRtRcD3-gcEkggYz9jWXgSDiBYKBGhg1NT3V2stcds0K--_tZcXQ6AX1vXpVj7ETwTPBRXGxzGCiFdlMciEzXmZC8x22EFWp0jyv9C5bRKxOtVJynx0QLXkE43TB3q99SKYOqIdkCqNFIj98JKNLprFbn_U4f667ZCNgw7qDGc-T3tswpg1CS5fJyyo4sJjYTwhgZwyeYPbjQEdsz0FHePyrh-zt7vb15iF9er5_vLl-Sq0W-Zxq4crG1YhCoi5yVesSbaVb1I3jLbS81pUSdQOVVjUIKEXhGhRaS15KXll1yM62e-P5Xyuk2fSeLHYdDDiuyIhCS5nH18uI6i0a7ycK6MwUfA9hbQQ3mybN0mybNJsmDS9NbDLaTn8TgCx0LsBgPf15ZaEqrngRuasth_Hdb4_BkPU4WGx9QDubdvT_B_0ALGOMIQ</recordid><startdate>20121015</startdate><enddate>20121015</enddate><creator>Liu, Chaozong</creator><creator>Cui, Nai-Yi</creator><creator>Osbeck, Susan</creator><creator>Liang, He</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20121015</creationdate><title>Air plasma processing of poly(methyl methacrylate) micro-beads: Surface characterisations</title><author>Liu, Chaozong ; Cui, Nai-Yi ; Osbeck, Susan ; Liang, He</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-41f7bf9ee12e4653947ec84de4bf0dad0948319ba8439a1a716fbe144207208c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Air plasma</topic><topic>Air plasma processing</topic><topic>Beads</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Physics</topic><topic>Poly(methyl methacrylate) beads</topic><topic>Polymethyl methacrylates</topic><topic>Surface chemistry</topic><topic>Surface layer</topic><topic>Surface properties</topic><topic>Surface texture</topic><topic>Texture</topic><topic>Wettability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Chaozong</creatorcontrib><creatorcontrib>Cui, Nai-Yi</creatorcontrib><creatorcontrib>Osbeck, Susan</creatorcontrib><creatorcontrib>Liang, He</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Chaozong</au><au>Cui, Nai-Yi</au><au>Osbeck, Susan</au><au>Liang, He</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Air plasma processing of poly(methyl methacrylate) micro-beads: Surface characterisations</atitle><jtitle>Applied surface science</jtitle><date>2012-10-15</date><risdate>2012</risdate><volume>259</volume><spage>840</spage><epage>846</epage><pages>840-846</pages><issn>0169-4332</issn><eissn>1873-5584</eissn><abstract>► PMMA micro-beads were processed using a rotary air plasma reactor. ► Surface chemistry and surface texture of PMMA micro-beads were characterised. ► Surface wettability was evaluated using “floating” water contact angle method. ► Surface oxidation and texture changes induced by air plasma attributed to the improvement of surface wettability.
This paper reports the surface processing of poly(methyl methacrylate) (PMMA) micro-beads by using a rotary air plasma reactor, and its effects on surface properties. The surface properties, including surface wettability, surface chemistry and textures of the PMMA beads, were characterised. It was observed that the air plasma processing can improve the surface wettability of the PMMA microbeads significantly. A 15min plasma processing can reduce the surface water contact angle of PMMA beads to about 50° from its original value of 80.3°. This was accompanied by about 8% increase in surface oxygen concentration as confirmed by XPS analysis. The optical profilometry examination revealed the air plasma processing resulted in a rougher surface that has a “delicate” surface texture. It is concluded that the surface chemistry and texture, induced by air plasma processing, co-contributed to the surface wettability improvement of PMMA micro-beads.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apsusc.2012.07.140</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Air plasma Air plasma processing Beads Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Physics Poly(methyl methacrylate) beads Polymethyl methacrylates Surface chemistry Surface layer Surface properties Surface texture Texture Wettability |
| title | Air plasma processing of poly(methyl methacrylate) micro-beads: Surface characterisations |
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