Self-aligned graphene as anticorrosive barrier in waterborne polyurethane composite coatings
Graphene reinforced waterborne polyurethane (PU) composite coatings were fabricated on steel surfaces. When the filler content was 0.4 wt%, self-alignment of graphene was driven by the reduction of the total excluded volume. The superior anticorrosion properties were proven by electrochemical impeda...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2014-01, Vol.2 (34), p.14139-14145 |
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| container_end_page | 14145 |
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| container_issue | 34 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
| container_volume | 2 |
| creator | Li, Yaya Yang, Zhenzhen Qiu, Hanxun Dai, Yigang Zheng, Qingbin Li, Jing Yang, Junhe |
| description | Graphene reinforced waterborne polyurethane (PU) composite coatings were fabricated on steel surfaces. When the filler content was 0.4 wt%, self-alignment of graphene was driven by the reduction of the total excluded volume. The superior anticorrosion properties were proven by electrochemical impedance spectroscopy (EIS) analysis for the PU matrix composite coating reinforced by 0.4 wt% of aligned graphene. The interaction mechanism between electrolyte and graphene layers was discussed for the three-dimensional randomly distributed graphene and the in-plane aligned graphene, respectively, to better understand their effects as anticorrosive barriers. |
| doi_str_mv | 10.1039/c4ta02262a |
| format | Article |
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When the filler content was 0.4 wt%, self-alignment of graphene was driven by the reduction of the total excluded volume. The superior anticorrosion properties were proven by electrochemical impedance spectroscopy (EIS) analysis for the PU matrix composite coating reinforced by 0.4 wt% of aligned graphene. The interaction mechanism between electrolyte and graphene layers was discussed for the three-dimensional randomly distributed graphene and the in-plane aligned graphene, respectively, to better understand their effects as anticorrosive barriers.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/c4ta02262a</identifier><language>eng</language><subject>Alignment ; Barriers ; Composite coatings ; Corrosion prevention ; Electrochemical impedance spectroscopy ; Graphene ; Polyurethane resins</subject><ispartof>Journal of materials chemistry. 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The interaction mechanism between electrolyte and graphene layers was discussed for the three-dimensional randomly distributed graphene and the in-plane aligned graphene, respectively, to better understand their effects as anticorrosive barriers.</description><subject>Alignment</subject><subject>Barriers</subject><subject>Composite coatings</subject><subject>Corrosion prevention</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Graphene</subject><subject>Polyurethane resins</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWGov_oI9irA6m2STzbEUv6DgwXoTljQ7aSPb3TXJKv33pla8OjDMO_AwDA8hlwXcFMDUreFRA6WC6hMyoVBCLrkSp3-5qs7JLIR3SFUBCKUm5O0FW5vr1m06bLKN18MWO8x0yHQXnem974P7xGytvXfoM9dlXzqiX_c-YUPf7kePcavTYvrdkOB4SDq6bhMuyJnVbcDZ75yS1_u71eIxXz4_PC3my9wwwWKOiolGCqGLktOGWUGVsUhLU1UlIBe64VKWa9sAKDBYVdxyI23RSCnAWMqm5Op4d_D9x4gh1jsXDLZteqsfQ11IKECkhv_RUlAhGagyoddH1CQHwaOtB-922u_rAuqD8HrBV_Mf4XP2DRy3c9E</recordid><startdate>20140101</startdate><enddate>20140101</enddate><creator>Li, Yaya</creator><creator>Yang, Zhenzhen</creator><creator>Qiu, Hanxun</creator><creator>Dai, Yigang</creator><creator>Zheng, Qingbin</creator><creator>Li, Jing</creator><creator>Yang, Junhe</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U6</scope><scope>C1K</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140101</creationdate><title>Self-aligned graphene as anticorrosive barrier in waterborne polyurethane composite coatings</title><author>Li, Yaya ; Yang, Zhenzhen ; Qiu, Hanxun ; Dai, Yigang ; Zheng, Qingbin ; Li, Jing ; Yang, Junhe</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-e936d766a1542d3f629cfe25c8850e46ad4775bfd0090ce884f4c7f1d7760cf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Alignment</topic><topic>Barriers</topic><topic>Composite coatings</topic><topic>Corrosion prevention</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Graphene</topic><topic>Polyurethane resins</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Yaya</creatorcontrib><creatorcontrib>Yang, Zhenzhen</creatorcontrib><creatorcontrib>Qiu, Hanxun</creatorcontrib><creatorcontrib>Dai, Yigang</creatorcontrib><creatorcontrib>Zheng, Qingbin</creatorcontrib><creatorcontrib>Li, Jing</creatorcontrib><creatorcontrib>Yang, Junhe</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Corrosion Abstracts</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>Journal of materials chemistry. 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| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2014-01, Vol.2 (34), p.14139-14145 |
| issn | 2050-7488 2050-7496 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1701060100 |
| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| subjects | Alignment Barriers Composite coatings Corrosion prevention Electrochemical impedance spectroscopy Graphene Polyurethane resins |
| title | Self-aligned graphene as anticorrosive barrier in waterborne polyurethane composite coatings |
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