Electron pretreatment of sheet molding compounds (SMC)
Based on thermal investigations on Class-A SMC test panels that were molded at different conditions incomplete curing reaction of un-saturated resin and reactive thinner as well as the post-curing and out gassing during industrial coating processes are the two main reasons for the observed coating p...
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| Veröffentlicht in: | Progress in organic coatings 2011-09, Vol.72 (1), p.159-167 |
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| container_title | Progress in organic coatings |
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| creator | Gedan-Smolka, Michaela Müller, Anett Gohs, Uwe Calvimontes, Alfredo |
| description | Based on thermal investigations on Class-A SMC test panels that were molded at different conditions incomplete curing reaction of un-saturated resin and reactive thinner as well as the post-curing and out gassing during industrial coating processes are the two main reasons for the observed coating problems. Furthermore, it was found that surface properties of test panels, especially contact angles and surface roughness, strongly depend on processing parameters of curing and coating as well as cleaning and pickling methods. The same was found with industrially processed SMC Class-A automotive parts.
It is a great challenge to overcome these disadvantages by a cost efficient robust new procedure which fulfils the requirements of industrial coating processes. Based on electron beam curing and functionalization via high energy electrons a novel pre-treatment procedure was developed. By one additional step, post-curing of the SMC-parts and surface functionalization, is achieved. This novel pre-coating technology increases the efficiency of inline coating processes; a patent application has been submitted. |
| doi_str_mv | 10.1016/j.porgcoat.2011.02.002 |
| format | Article |
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It is a great challenge to overcome these disadvantages by a cost efficient robust new procedure which fulfils the requirements of industrial coating processes. Based on electron beam curing and functionalization via high energy electrons a novel pre-treatment procedure was developed. By one additional step, post-curing of the SMC-parts and surface functionalization, is achieved. This novel pre-coating technology increases the efficiency of inline coating processes; a patent application has been submitted.</description><identifier>ISSN: 0300-9440</identifier><identifier>EISSN: 1873-331X</identifier><identifier>DOI: 10.1016/j.porgcoat.2011.02.002</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Automotive components ; Coating ; Contact angle ; Curing ; Electron treatment ; Panels ; Post-curing ; Process parameters ; Sheet molding compounds ; SMC ; Surface properties ; Thermal analysis ; Ultrasonic testing</subject><ispartof>Progress in organic coatings, 2011-09, Vol.72 (1), p.159-167</ispartof><rights>2011 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-eaa14820952ec16bd79987395577cc07ae872bad3dd55cde7a191a1b6c41c63d3</citedby><cites>FETCH-LOGICAL-c345t-eaa14820952ec16bd79987395577cc07ae872bad3dd55cde7a191a1b6c41c63d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.porgcoat.2011.02.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Gedan-Smolka, Michaela</creatorcontrib><creatorcontrib>Müller, Anett</creatorcontrib><creatorcontrib>Gohs, Uwe</creatorcontrib><creatorcontrib>Calvimontes, Alfredo</creatorcontrib><title>Electron pretreatment of sheet molding compounds (SMC)</title><title>Progress in organic coatings</title><description>Based on thermal investigations on Class-A SMC test panels that were molded at different conditions incomplete curing reaction of un-saturated resin and reactive thinner as well as the post-curing and out gassing during industrial coating processes are the two main reasons for the observed coating problems. Furthermore, it was found that surface properties of test panels, especially contact angles and surface roughness, strongly depend on processing parameters of curing and coating as well as cleaning and pickling methods. The same was found with industrially processed SMC Class-A automotive parts.
It is a great challenge to overcome these disadvantages by a cost efficient robust new procedure which fulfils the requirements of industrial coating processes. Based on electron beam curing and functionalization via high energy electrons a novel pre-treatment procedure was developed. By one additional step, post-curing of the SMC-parts and surface functionalization, is achieved. This novel pre-coating technology increases the efficiency of inline coating processes; a patent application has been submitted.</description><subject>Automotive components</subject><subject>Coating</subject><subject>Contact angle</subject><subject>Curing</subject><subject>Electron treatment</subject><subject>Panels</subject><subject>Post-curing</subject><subject>Process parameters</subject><subject>Sheet molding compounds</subject><subject>SMC</subject><subject>Surface properties</subject><subject>Thermal analysis</subject><subject>Ultrasonic testing</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkD1PwzAURS0EEqXwF1DGMiQ823ESb6CqfEhFDIDEZrn2a0mVxMF2kfj3uCrMTG859-q-Q8glhYICra63xej8xjgdCwaUFsAKAHZEJrSpec45fT8mE-AAuSxLOCVnIWwBoOJcTki16NBE74Zs9Bg96tjjEDO3zsIHYsx619l22GTG9aPbDTZks5en-dU5OVnrLuDF752St7vF6_whXz7fP85vl7nhpYg5ak3LhoEUDA2tVraWMo2SQtS1MVBrbGq20pZbK4SxWGsqqaarypTUVNzyKZkdekfvPncYourbYLDr9IBuFxQFxppGlI1MaHVAjXcheFyr0be99t8JUntRaqv-RKm9KAVMJVEpeHMIYnrkq0WvgmlxMGhbn9wo69r_Kn4AruN0aQ</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Gedan-Smolka, Michaela</creator><creator>Müller, Anett</creator><creator>Gohs, Uwe</creator><creator>Calvimontes, Alfredo</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20110901</creationdate><title>Electron pretreatment of sheet molding compounds (SMC)</title><author>Gedan-Smolka, Michaela ; Müller, Anett ; Gohs, Uwe ; Calvimontes, Alfredo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-eaa14820952ec16bd79987395577cc07ae872bad3dd55cde7a191a1b6c41c63d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Automotive components</topic><topic>Coating</topic><topic>Contact angle</topic><topic>Curing</topic><topic>Electron treatment</topic><topic>Panels</topic><topic>Post-curing</topic><topic>Process parameters</topic><topic>Sheet molding compounds</topic><topic>SMC</topic><topic>Surface properties</topic><topic>Thermal analysis</topic><topic>Ultrasonic testing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gedan-Smolka, Michaela</creatorcontrib><creatorcontrib>Müller, Anett</creatorcontrib><creatorcontrib>Gohs, Uwe</creatorcontrib><creatorcontrib>Calvimontes, Alfredo</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials 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>Gedan-Smolka, Michaela</au><au>Müller, Anett</au><au>Gohs, Uwe</au><au>Calvimontes, Alfredo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electron pretreatment of sheet molding compounds (SMC)</atitle><jtitle>Progress in organic coatings</jtitle><date>2011-09-01</date><risdate>2011</risdate><volume>72</volume><issue>1</issue><spage>159</spage><epage>167</epage><pages>159-167</pages><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>Based on thermal investigations on Class-A SMC test panels that were molded at different conditions incomplete curing reaction of un-saturated resin and reactive thinner as well as the post-curing and out gassing during industrial coating processes are the two main reasons for the observed coating problems. Furthermore, it was found that surface properties of test panels, especially contact angles and surface roughness, strongly depend on processing parameters of curing and coating as well as cleaning and pickling methods. The same was found with industrially processed SMC Class-A automotive parts.
It is a great challenge to overcome these disadvantages by a cost efficient robust new procedure which fulfils the requirements of industrial coating processes. Based on electron beam curing and functionalization via high energy electrons a novel pre-treatment procedure was developed. By one additional step, post-curing of the SMC-parts and surface functionalization, is achieved. This novel pre-coating technology increases the efficiency of inline coating processes; a patent application has been submitted.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.porgcoat.2011.02.002</doi><tpages>9</tpages></addata></record> |
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| ispartof | Progress in organic coatings, 2011-09, Vol.72 (1), p.159-167 |
| issn | 0300-9440 1873-331X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1022885489 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Automotive components Coating Contact angle Curing Electron treatment Panels Post-curing Process parameters Sheet molding compounds SMC Surface properties Thermal analysis Ultrasonic testing |
| title | Electron pretreatment of sheet molding compounds (SMC) |
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