Preparation and Properties of Rubber Blends for High-Damping-Isolation Bearings
To improve the energy dissipation capacity of rubber isolation bearings, it is important to find a new rubber material with good applicability and high damping properties. Two types of blends were prepared using nitrile rubber (NBR), brominated butyl rubber (BIIR) and ethylene-vinyl acetate copolyme...
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| Veröffentlicht in: | Polymers 2019-08, Vol.11 (8), p.1374 |
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| creator | Lei, Tuo Zhang, Yong-Wang Kuang, Dong-Liang Yang, Yong-Rui |
| description | To improve the energy dissipation capacity of rubber isolation bearings, it is important to find a new rubber material with good applicability and high damping properties. Two types of blends were prepared using nitrile rubber (NBR), brominated butyl rubber (BIIR) and ethylene-vinyl acetate copolymer (EVA): NBR/BIIR and NBR/BIIR/EVA. The vulcanization, mechanical and damping properties of the blends were analyzed. The results show that both blends exhibit excellent vulcanization plateaus and mechanical properties. For NBR/BIIR, as the BIIR content increases, the complementary effects of NBR and BIIR afforded by blending are enhanced. Two damping peaks appeared in the tanδ-T curve and shifted toward lower and higher temperatures, respectively, which clearly widened the effective damping temperature range. However, the damping value in the valley of the tanδ-T curve was as low as 0.39. For NBR/BIIR/EVA, the addition of EVA greatly increased damping in the valley of the tanδ-T curve to approximately 0.54. EVA was observed to be the optimal polymer for improving the compatibility of the NBR/BIIR blend. Moreover, hot air thermal aging tests showed that both blends demonstrated good stability. |
| doi_str_mv | 10.3390/polym11081374 |
| format | Article |
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Two types of blends were prepared using nitrile rubber (NBR), brominated butyl rubber (BIIR) and ethylene-vinyl acetate copolymer (EVA): NBR/BIIR and NBR/BIIR/EVA. The vulcanization, mechanical and damping properties of the blends were analyzed. The results show that both blends exhibit excellent vulcanization plateaus and mechanical properties. For NBR/BIIR, as the BIIR content increases, the complementary effects of NBR and BIIR afforded by blending are enhanced. Two damping peaks appeared in the tanδ-T curve and shifted toward lower and higher temperatures, respectively, which clearly widened the effective damping temperature range. However, the damping value in the valley of the tanδ-T curve was as low as 0.39. For NBR/BIIR/EVA, the addition of EVA greatly increased damping in the valley of the tanδ-T curve to approximately 0.54. EVA was observed to be the optimal polymer for improving the compatibility of the NBR/BIIR blend. Moreover, hot air thermal aging tests showed that both blends demonstrated good stability.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym11081374</identifier><identifier>PMID: 31434307</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Aging ; Bearings ; Blending effects ; Bromination ; Butyl rubber ; Composite materials ; Copolymers ; Damping capacity ; Energy dissipation ; Ethylene vinyl acetates ; Hydrogen bonds ; Impact strength ; Mechanical properties ; Mixtures ; Nitrile rubber ; Phenols ; Polymers ; Rubber ; Seismic engineering ; Temperature ; Valleys ; Viscosity ; Vulcanization ; Zinc oxides</subject><ispartof>Polymers, 2019-08, Vol.11 (8), p.1374</ispartof><rights>2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 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Two types of blends were prepared using nitrile rubber (NBR), brominated butyl rubber (BIIR) and ethylene-vinyl acetate copolymer (EVA): NBR/BIIR and NBR/BIIR/EVA. The vulcanization, mechanical and damping properties of the blends were analyzed. The results show that both blends exhibit excellent vulcanization plateaus and mechanical properties. For NBR/BIIR, as the BIIR content increases, the complementary effects of NBR and BIIR afforded by blending are enhanced. Two damping peaks appeared in the tanδ-T curve and shifted toward lower and higher temperatures, respectively, which clearly widened the effective damping temperature range. However, the damping value in the valley of the tanδ-T curve was as low as 0.39. For NBR/BIIR/EVA, the addition of EVA greatly increased damping in the valley of the tanδ-T curve to approximately 0.54. EVA was observed to be the optimal polymer for improving the compatibility of the NBR/BIIR blend. Moreover, hot air thermal aging tests showed that both blends demonstrated good stability.</description><subject>Aging</subject><subject>Bearings</subject><subject>Blending effects</subject><subject>Bromination</subject><subject>Butyl rubber</subject><subject>Composite materials</subject><subject>Copolymers</subject><subject>Damping capacity</subject><subject>Energy dissipation</subject><subject>Ethylene vinyl acetates</subject><subject>Hydrogen bonds</subject><subject>Impact strength</subject><subject>Mechanical properties</subject><subject>Mixtures</subject><subject>Nitrile rubber</subject><subject>Phenols</subject><subject>Polymers</subject><subject>Rubber</subject><subject>Seismic engineering</subject><subject>Temperature</subject><subject>Valleys</subject><subject>Viscosity</subject><subject>Vulcanization</subject><subject>Zinc oxides</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkU1Lw0AQhhdRbKk9epWAFy_R_c7mItj60UKhRfS8bJLdGkmycTcR-u9daS2tc5lh5pmXGV4ALhG8JSSFd62tNjVCUCCS0BMwxDAhMSUcnh7UAzD2_hOGoIxzlJyDAUGUUAKTIViunG6VU11pm0g1RbRyttWuK7WPrIle-yzTLppUuil8ZKyLZuX6I35UdVs263jubbVdnWjlQsdfgDOjKq_HuzwC789Pb9NZvFi-zKcPiziniHWxShNUpJoplgkGoYF5gblWhpgU5znH2giUcJFDnjJDEMqwySDjKS0gLRAtyAjcb3XbPqt1keumc6qSrStr5TbSqlIeT5ryQ67tt-QJJpygIHCzE3D2q9e-k3Xpc11VqtG29xJjIRKKhKABvf6HftreNeE9iRkLeiQVPFDxlsqd9d5psz8GQfnrljxyK_BXhx_s6T9vyA_o55DN</recordid><startdate>20190820</startdate><enddate>20190820</enddate><creator>Lei, Tuo</creator><creator>Zhang, Yong-Wang</creator><creator>Kuang, Dong-Liang</creator><creator>Yang, Yong-Rui</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-7148-2348</orcidid></search><sort><creationdate>20190820</creationdate><title>Preparation and Properties of Rubber Blends for High-Damping-Isolation Bearings</title><author>Lei, Tuo ; Zhang, Yong-Wang ; Kuang, Dong-Liang ; Yang, Yong-Rui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-a971d9e5a5b8500f0cd26eaf3f92cc62ef81768c0695f311b2fb05694d04d14d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aging</topic><topic>Bearings</topic><topic>Blending effects</topic><topic>Bromination</topic><topic>Butyl rubber</topic><topic>Composite materials</topic><topic>Copolymers</topic><topic>Damping capacity</topic><topic>Energy dissipation</topic><topic>Ethylene vinyl acetates</topic><topic>Hydrogen bonds</topic><topic>Impact strength</topic><topic>Mechanical properties</topic><topic>Mixtures</topic><topic>Nitrile rubber</topic><topic>Phenols</topic><topic>Polymers</topic><topic>Rubber</topic><topic>Seismic engineering</topic><topic>Temperature</topic><topic>Valleys</topic><topic>Viscosity</topic><topic>Vulcanization</topic><topic>Zinc oxides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lei, Tuo</creatorcontrib><creatorcontrib>Zhang, Yong-Wang</creatorcontrib><creatorcontrib>Kuang, Dong-Liang</creatorcontrib><creatorcontrib>Yang, Yong-Rui</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lei, Tuo</au><au>Zhang, Yong-Wang</au><au>Kuang, Dong-Liang</au><au>Yang, Yong-Rui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation and Properties of Rubber Blends for High-Damping-Isolation Bearings</atitle><jtitle>Polymers</jtitle><addtitle>Polymers (Basel)</addtitle><date>2019-08-20</date><risdate>2019</risdate><volume>11</volume><issue>8</issue><spage>1374</spage><pages>1374-</pages><issn>2073-4360</issn><eissn>2073-4360</eissn><abstract>To improve the energy dissipation capacity of rubber isolation bearings, it is important to find a new rubber material with good applicability and high damping properties. Two types of blends were prepared using nitrile rubber (NBR), brominated butyl rubber (BIIR) and ethylene-vinyl acetate copolymer (EVA): NBR/BIIR and NBR/BIIR/EVA. The vulcanization, mechanical and damping properties of the blends were analyzed. The results show that both blends exhibit excellent vulcanization plateaus and mechanical properties. For NBR/BIIR, as the BIIR content increases, the complementary effects of NBR and BIIR afforded by blending are enhanced. Two damping peaks appeared in the tanδ-T curve and shifted toward lower and higher temperatures, respectively, which clearly widened the effective damping temperature range. However, the damping value in the valley of the tanδ-T curve was as low as 0.39. For NBR/BIIR/EVA, the addition of EVA greatly increased damping in the valley of the tanδ-T curve to approximately 0.54. EVA was observed to be the optimal polymer for improving the compatibility of the NBR/BIIR blend. 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| source | MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; PubMed Central Open Access |
| subjects | Aging Bearings Blending effects Bromination Butyl rubber Composite materials Copolymers Damping capacity Energy dissipation Ethylene vinyl acetates Hydrogen bonds Impact strength Mechanical properties Mixtures Nitrile rubber Phenols Polymers Rubber Seismic engineering Temperature Valleys Viscosity Vulcanization Zinc oxides |
| title | Preparation and Properties of Rubber Blends for High-Damping-Isolation Bearings |
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