Spectroscopic and corrosion resistance characterization of amine and super acid-cured hybrid organic–inorganic thin films on 2024-T3 aluminum alloy
Primary aliphatic amines (diethylenetriamine, triethylenetetramine, tetraethylenepentamine) and super acids (CF 3SO 3H, HPF 6) have been investigated as room temperature curing agents for hybrid organic–inorganic thin films. 1 H- 13 C CP/MAS NMR analysis indicates that the curing mechanisms promoted...
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| Veröffentlicht in: | Progress in organic coatings 2002-06, Vol.44 (3), p.185-199 |
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| creator | Metroke, Tammy L. Kachurina, Olga Knobbe, Edward T. |
| description | Primary aliphatic amines (diethylenetriamine, triethylenetetramine, tetraethylenepentamine) and super acids (CF
3SO
3H, HPF
6) have been investigated as room temperature curing agents for hybrid organic–inorganic thin films.
1
H-
13
C
CP/MAS NMR analysis indicates that the curing mechanisms promoted by amines and super acids are different, producing Ormosils (organically modified silicates) with different structures. Amine-cured Ormosils were found to be highly crosslinked, dense, and adherent to the underlying aluminum alloy (AA) substrate; analogous super acid-cured Ormosils were oligomeric, exhibiting poor adhesion properties to the underlying metal substrate. The choice of the curing agent was found to affect the Ormosil film corrosion resistance characteristics as indicated by results of potentiodynamic polarization curves and accelerated corrosion tests. Amine-cured films provided corrosion protection, with
R
corr=37–157
kΩ
cm
2, the magnitude of which depended on several processing parameters including stir time prior to amine addition and amine chain length. Super acid-cured films provided poor corrosion resistance,
R
corr=1–2
kΩ
cm
2. |
| doi_str_mv | 10.1016/S0300-9440(02)00007-3 |
| format | Article |
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3SO
3H, HPF
6) have been investigated as room temperature curing agents for hybrid organic–inorganic thin films.
1
H-
13
C
CP/MAS NMR analysis indicates that the curing mechanisms promoted by amines and super acids are different, producing Ormosils (organically modified silicates) with different structures. Amine-cured Ormosils were found to be highly crosslinked, dense, and adherent to the underlying aluminum alloy (AA) substrate; analogous super acid-cured Ormosils were oligomeric, exhibiting poor adhesion properties to the underlying metal substrate. The choice of the curing agent was found to affect the Ormosil film corrosion resistance characteristics as indicated by results of potentiodynamic polarization curves and accelerated corrosion tests. Amine-cured films provided corrosion protection, with
R
corr=37–157
kΩ
cm
2, the magnitude of which depended on several processing parameters including stir time prior to amine addition and amine chain length. Super acid-cured films provided poor corrosion resistance,
R
corr=1–2
kΩ
cm
2.</description><identifier>ISSN: 0300-9440</identifier><identifier>EISSN: 1873-331X</identifier><identifier>DOI: 10.1016/S0300-9440(02)00007-3</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Applied sciences ; Corrosion ; Corrosion prevention ; Corrosion resistance ; Exact sciences and technology ; Inorganic and organomineral polymers ; Metals. Metallurgy ; Ormosil ; Physicochemistry of polymers ; Properties and characterization ; Salt spray ; Solid-state NMR ; Thin film</subject><ispartof>Progress in organic coatings, 2002-06, Vol.44 (3), p.185-199</ispartof><rights>2002 Elsevier Science B.V.</rights><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-8b7ac2c8a6879538bed288d9e982759a06f198a02537bf0ea05d08d2088f8ce13</citedby><cites>FETCH-LOGICAL-c368t-8b7ac2c8a6879538bed288d9e982759a06f198a02537bf0ea05d08d2088f8ce13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0300-9440(02)00007-3$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3538,27906,27907,45977</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13772938$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Metroke, Tammy L.</creatorcontrib><creatorcontrib>Kachurina, Olga</creatorcontrib><creatorcontrib>Knobbe, Edward T.</creatorcontrib><title>Spectroscopic and corrosion resistance characterization of amine and super acid-cured hybrid organic–inorganic thin films on 2024-T3 aluminum alloy</title><title>Progress in organic coatings</title><description>Primary aliphatic amines (diethylenetriamine, triethylenetetramine, tetraethylenepentamine) and super acids (CF
3SO
3H, HPF
6) have been investigated as room temperature curing agents for hybrid organic–inorganic thin films.
1
H-
13
C
CP/MAS NMR analysis indicates that the curing mechanisms promoted by amines and super acids are different, producing Ormosils (organically modified silicates) with different structures. Amine-cured Ormosils were found to be highly crosslinked, dense, and adherent to the underlying aluminum alloy (AA) substrate; analogous super acid-cured Ormosils were oligomeric, exhibiting poor adhesion properties to the underlying metal substrate. The choice of the curing agent was found to affect the Ormosil film corrosion resistance characteristics as indicated by results of potentiodynamic polarization curves and accelerated corrosion tests. Amine-cured films provided corrosion protection, with
R
corr=37–157
kΩ
cm
2, the magnitude of which depended on several processing parameters including stir time prior to amine addition and amine chain length. Super acid-cured films provided poor corrosion resistance,
R
corr=1–2
kΩ
cm
2.</description><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion prevention</subject><subject>Corrosion resistance</subject><subject>Exact sciences and technology</subject><subject>Inorganic and organomineral polymers</subject><subject>Metals. Metallurgy</subject><subject>Ormosil</subject><subject>Physicochemistry of polymers</subject><subject>Properties and characterization</subject><subject>Salt spray</subject><subject>Solid-state NMR</subject><subject>Thin film</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFUcuKFTEQDaLgdfQThGwUXbRWJ_1Ir0QGXzDgYkZwF-pWqr2R7k6bdA9cV_6D-IN-ibkPdGk2qSLnQc4R4nEJL0oom5fXoAGKrqrgGajnkE9b6DtiU5pWF1qXn--KzV_IffEgpa8Z02jdbcSv65lpiSFRmD1JnJykEPPuwyQjJ58WnIgl7TAiLRz9d1wOb6GXOPqJj5S0zhwlkncFrZGd3O230TsZ4hecPP3-8dNP51kuOz_J3g9jkllGgaqKGy1xWLPaOuZhCPuH4l6PQ-JH5_tCfHr75ubyfXH18d2Hy9dXBenGLIXZtkiKDDam7WpttuyUMa7jzqi27hCavuwMgqp1u-2BEWoHxikwpjfEpb4QT0-6cwzfVk6LHX0iHgacOKzJqrZVlYEqA-sTkHI0KXJv5-hHjHtbgj2UYI8l2EPCFpQ9lmB15j05G2AiHPqYw_TpH1lng06bjHt1wnH-7a3naBN5zsE7H3M_1gX_H6c_iceeuA</recordid><startdate>20020601</startdate><enddate>20020601</enddate><creator>Metroke, Tammy L.</creator><creator>Kachurina, Olga</creator><creator>Knobbe, Edward T.</creator><general>Elsevier B.V</general><general>Elsevier Sequoia</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20020601</creationdate><title>Spectroscopic and corrosion resistance characterization of amine and super acid-cured hybrid organic–inorganic thin films on 2024-T3 aluminum alloy</title><author>Metroke, Tammy L. ; Kachurina, Olga ; Knobbe, Edward T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-8b7ac2c8a6879538bed288d9e982759a06f198a02537bf0ea05d08d2088f8ce13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Applied sciences</topic><topic>Corrosion</topic><topic>Corrosion prevention</topic><topic>Corrosion resistance</topic><topic>Exact sciences and technology</topic><topic>Inorganic and organomineral polymers</topic><topic>Metals. Metallurgy</topic><topic>Ormosil</topic><topic>Physicochemistry of polymers</topic><topic>Properties and characterization</topic><topic>Salt spray</topic><topic>Solid-state NMR</topic><topic>Thin film</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Metroke, Tammy L.</creatorcontrib><creatorcontrib>Kachurina, Olga</creatorcontrib><creatorcontrib>Knobbe, Edward T.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Progress in organic coatings</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Metroke, Tammy L.</au><au>Kachurina, Olga</au><au>Knobbe, Edward T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spectroscopic and corrosion resistance characterization of amine and super acid-cured hybrid organic–inorganic thin films on 2024-T3 aluminum alloy</atitle><jtitle>Progress in organic coatings</jtitle><date>2002-06-01</date><risdate>2002</risdate><volume>44</volume><issue>3</issue><spage>185</spage><epage>199</epage><pages>185-199</pages><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>Primary aliphatic amines (diethylenetriamine, triethylenetetramine, tetraethylenepentamine) and super acids (CF
3SO
3H, HPF
6) have been investigated as room temperature curing agents for hybrid organic–inorganic thin films.
1
H-
13
C
CP/MAS NMR analysis indicates that the curing mechanisms promoted by amines and super acids are different, producing Ormosils (organically modified silicates) with different structures. Amine-cured Ormosils were found to be highly crosslinked, dense, and adherent to the underlying aluminum alloy (AA) substrate; analogous super acid-cured Ormosils were oligomeric, exhibiting poor adhesion properties to the underlying metal substrate. The choice of the curing agent was found to affect the Ormosil film corrosion resistance characteristics as indicated by results of potentiodynamic polarization curves and accelerated corrosion tests. Amine-cured films provided corrosion protection, with
R
corr=37–157
kΩ
cm
2, the magnitude of which depended on several processing parameters including stir time prior to amine addition and amine chain length. Super acid-cured films provided poor corrosion resistance,
R
corr=1–2
kΩ
cm
2.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/S0300-9440(02)00007-3</doi><tpages>15</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0300-9440 |
| ispartof | Progress in organic coatings, 2002-06, Vol.44 (3), p.185-199 |
| issn | 0300-9440 1873-331X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_27724804 |
| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Corrosion Corrosion prevention Corrosion resistance Exact sciences and technology Inorganic and organomineral polymers Metals. Metallurgy Ormosil Physicochemistry of polymers Properties and characterization Salt spray Solid-state NMR Thin film |
| title | Spectroscopic and corrosion resistance characterization of amine and super acid-cured hybrid organic–inorganic thin films on 2024-T3 aluminum alloy |
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