Study of the Photocrosslinking of Ethylene Propylene Diene Monomer Terpolymer Under UV Irradiation
The photocrosslinking of thick samples of 5‐ethylidene‐2‐norbornene–ethylene propylene diene monomer (ENB‐EPDM) under air at room temperature was investigated. First, a model study was carried out on low‐molecular weight oligomers: squalene, 1,2‐polybutadiene, and 1,4‐polybutadiene. Several crosslin...
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| Veröffentlicht in: | Polymer engineering and science 2020-01, Vol.60 (1), p.95-103 |
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| creator | Jégo, Lucas Milési, Daniel Robin, Jean‐Jacques Joly‐Duhamel, Christine |
| description | The photocrosslinking of thick samples of 5‐ethylidene‐2‐norbornene–ethylene propylene diene monomer (ENB‐EPDM) under air at room temperature was investigated. First, a model study was carried out on low‐molecular weight oligomers: squalene, 1,2‐polybutadiene, and 1,4‐polybutadiene. Several crosslinking agents (meth(acrylics), bismaleimide, and thiol) combined with various photoinitiators were tested to improve the reactivity of these oligomers under UV irradiation. Gel contents, crosslinking densities, viscosities, and viscoelastic properties were measured in order to characterize the extent of crosslinking. Acrylate‐based crosslinking agents appeared to be the most reactive species and these results were then applied to a low‐molecular weight EPDM. Several photoinitiators were tested and benzophenone turned out to be the most efficient photoinitiator when combined with trimethylolpropane triacrylate. Finally, a commercial EPDM was subsequently photocrosslinked and high gel content and crosslinking density were obtained after only 2 min of irradiation. POLYM. ENG. SCI., 60:95–103, 2020. © 2019 Society of Plastics Engineers |
| doi_str_mv | 10.1002/pen.25263 |
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First, a model study was carried out on low‐molecular weight oligomers: squalene, 1,2‐polybutadiene, and 1,4‐polybutadiene. Several crosslinking agents (meth(acrylics), bismaleimide, and thiol) combined with various photoinitiators were tested to improve the reactivity of these oligomers under UV irradiation. Gel contents, crosslinking densities, viscosities, and viscoelastic properties were measured in order to characterize the extent of crosslinking. Acrylate‐based crosslinking agents appeared to be the most reactive species and these results were then applied to a low‐molecular weight EPDM. Several photoinitiators were tested and benzophenone turned out to be the most efficient photoinitiator when combined with trimethylolpropane triacrylate. Finally, a commercial EPDM was subsequently photocrosslinked and high gel content and crosslinking density were obtained after only 2 min of irradiation. POLYM. ENG. 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First, a model study was carried out on low‐molecular weight oligomers: squalene, 1,2‐polybutadiene, and 1,4‐polybutadiene. Several crosslinking agents (meth(acrylics), bismaleimide, and thiol) combined with various photoinitiators were tested to improve the reactivity of these oligomers under UV irradiation. Gel contents, crosslinking densities, viscosities, and viscoelastic properties were measured in order to characterize the extent of crosslinking. Acrylate‐based crosslinking agents appeared to be the most reactive species and these results were then applied to a low‐molecular weight EPDM. Several photoinitiators were tested and benzophenone turned out to be the most efficient photoinitiator when combined with trimethylolpropane triacrylate. Finally, a commercial EPDM was subsequently photocrosslinked and high gel content and crosslinking density were obtained after only 2 min of irradiation. POLYM. ENG. SCI., 60:95–103, 2020. © 2019 Society of Plastics Engineers</description><subject>Chemical Sciences</subject><subject>Copolymers</subject><subject>Crosslinking</subject><subject>Density</subject><subject>Elastomers</subject><subject>Ethylene</subject><subject>Irradiation</subject><subject>Methamphetamine</subject><subject>Molecular weight</subject><subject>Monomers</subject><subject>Oligomers</subject><subject>Photoinitiators</subject><subject>Polymer crosslinking</subject><subject>Polymers</subject><subject>Propylene</subject><subject>Room temperature</subject><subject>Terpolymers</subject><subject>Thiols</subject><subject>Ultraviolet radiation</subject><issn>0032-3888</issn><issn>1548-2634</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNp1kt9v0zAQxy0EEmXwwH8QiadJpHP8I3Ufq1FYpQIT23i1HMdOPFI7sx0g_z3OgoBKRZbO57vP93Q6HwCvC7gsIEQXvbJLRFGJn4BFQQnLk0ueggWEGOWYMfYcvAjhHiYW0_UCVDdxqMfM6Sy2KrtuXXTSuxA6Y78Z20yJbWzHTtmU9a6fvXdmsh-ddQfls1vle9eNk3tn68l-zXbei9qIaJx9CZ5p0QX16vd9Bu7eb28vr_L95w-7y80-l5QQnNNSs3otqjWs0IpgRElNVxCymrL0kgRqWVYa1UJKKiRUZVlqKkqJSgEZwhqfgfO5bis63ntzEH7kThh-tdnzKQYRIZQx8r1I7JuZ7b17GFSI_N4N3qb2OMIY09WKFugv1YhOcWO1i17IgwmSb8oCQ7KGFCcqP0E1aUJedM4qbVL4iF-e4NOp1cHIk4LzI0FiovoZGzGEwHc3X47Zt_-w1RCMVSGZYJo2hllyqvTjp3ul_wyugHxaKJ4Wij8uVGIvZvZH6m_8P8ivt59mxS8-Kshy</recordid><startdate>202001</startdate><enddate>202001</enddate><creator>Jégo, Lucas</creator><creator>Milési, Daniel</creator><creator>Robin, Jean‐Jacques</creator><creator>Joly‐Duhamel, Christine</creator><general>John Wiley & Sons, Inc</general><general>Society of Plastics Engineers, Inc</general><general>Blackwell Publishing Ltd</general><general>Wiley-Blackwell</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><scope>ISR</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-6665-4822</orcidid></search><sort><creationdate>202001</creationdate><title>Study of the Photocrosslinking of Ethylene Propylene Diene Monomer Terpolymer Under UV Irradiation</title><author>Jégo, Lucas ; Milési, Daniel ; Robin, Jean‐Jacques ; Joly‐Duhamel, Christine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5443-56f8d9ab90b2743254d57008d58432c40fc6bf2dacc5ac0e666f5a6c26a0823f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chemical Sciences</topic><topic>Copolymers</topic><topic>Crosslinking</topic><topic>Density</topic><topic>Elastomers</topic><topic>Ethylene</topic><topic>Irradiation</topic><topic>Methamphetamine</topic><topic>Molecular weight</topic><topic>Monomers</topic><topic>Oligomers</topic><topic>Photoinitiators</topic><topic>Polymer crosslinking</topic><topic>Polymers</topic><topic>Propylene</topic><topic>Room temperature</topic><topic>Terpolymers</topic><topic>Thiols</topic><topic>Ultraviolet radiation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jégo, Lucas</creatorcontrib><creatorcontrib>Milési, Daniel</creatorcontrib><creatorcontrib>Robin, Jean‐Jacques</creatorcontrib><creatorcontrib>Joly‐Duhamel, Christine</creatorcontrib><collection>CrossRef</collection><collection>Gale Business: Insights</collection><collection>Business Insights: Essentials</collection><collection>Gale In Context: Science</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Polymer engineering and science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jégo, Lucas</au><au>Milési, Daniel</au><au>Robin, Jean‐Jacques</au><au>Joly‐Duhamel, Christine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of the Photocrosslinking of Ethylene Propylene Diene Monomer Terpolymer Under UV Irradiation</atitle><jtitle>Polymer engineering and science</jtitle><date>2020-01</date><risdate>2020</risdate><volume>60</volume><issue>1</issue><spage>95</spage><epage>103</epage><pages>95-103</pages><issn>0032-3888</issn><eissn>1548-2634</eissn><abstract>The photocrosslinking of thick samples of 5‐ethylidene‐2‐norbornene–ethylene propylene diene monomer (ENB‐EPDM) under air at room temperature was investigated. 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| subjects | Chemical Sciences Copolymers Crosslinking Density Elastomers Ethylene Irradiation Methamphetamine Molecular weight Monomers Oligomers Photoinitiators Polymer crosslinking Polymers Propylene Room temperature Terpolymers Thiols Ultraviolet radiation |
| title | Study of the Photocrosslinking of Ethylene Propylene Diene Monomer Terpolymer Under UV Irradiation |
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