Evaluation of storage stability of styrene–butadiene–styrene block copolymer-modified asphalt via electrochemical analysis
•Electrochemical analysis determines SBS content variation after hot tube storage.•The method provides an accurate segregation assessment for SBS modified asphalt.•The method reveals the thermo-oxidative degradation of SBS in modified asphalt. The stability of styrene–butadiene–styrene (SBS) block c...
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| Veröffentlicht in: | Construction & building materials 2016-03, Vol.107, p.38-43 |
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| container_title | Construction & building materials |
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| creator | Niu, Yanfang Zhu, Ziqiang Xiao, Jiaying Liu, Zhengchun Liang, Bo |
| description | •Electrochemical analysis determines SBS content variation after hot tube storage.•The method provides an accurate segregation assessment for SBS modified asphalt.•The method reveals the thermo-oxidative degradation of SBS in modified asphalt.
The stability of styrene–butadiene–styrene (SBS) block copolymer-modified asphalt during hot storage and transportation is an important issue. Considering the shortcomings of the present storage stability test implementing softening point, an electrochemical technique was developed to evaluate the segregation behavior of SBS-modified asphalt. Quantitative analysis of SBS content in asphalt based on potentiometric titration was employed to determine the difference in SBS content between the top and the bottom samples taken from a hot tube storage test. An accurate variation of SBS content was traced with a fractional error of less than 0.5%, and the possible thermo-oxidative degradation of SBS during hot storage was also discussed. Results showed that electrochemical analysis can be a viable technique to evaluate the storage stability of SBS-modified asphalt directly as opposed to an indirect measurement with softening point. |
| doi_str_mv | 10.1016/j.conbuildmat.2015.12.174 |
| format | Article |
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The stability of styrene–butadiene–styrene (SBS) block copolymer-modified asphalt during hot storage and transportation is an important issue. Considering the shortcomings of the present storage stability test implementing softening point, an electrochemical technique was developed to evaluate the segregation behavior of SBS-modified asphalt. Quantitative analysis of SBS content in asphalt based on potentiometric titration was employed to determine the difference in SBS content between the top and the bottom samples taken from a hot tube storage test. An accurate variation of SBS content was traced with a fractional error of less than 0.5%, and the possible thermo-oxidative degradation of SBS during hot storage was also discussed. Results showed that electrochemical analysis can be a viable technique to evaluate the storage stability of SBS-modified asphalt directly as opposed to an indirect measurement with softening point.</description><identifier>ISSN: 0950-0618</identifier><identifier>EISSN: 1879-0526</identifier><identifier>DOI: 10.1016/j.conbuildmat.2015.12.174</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Analysis ; Asphalt ; Butadiene ; Chemical properties ; Electrochemical analysis ; Electrochemistry ; Modified asphalt ; SBS content ; Storage stability</subject><ispartof>Construction & building materials, 2016-03, Vol.107, p.38-43</ispartof><rights>2015 Elsevier Ltd</rights><rights>COPYRIGHT 2016 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c514t-bc9204e7c1b7d1d8ab0372aa67028403666d482551b915ccc6b95b8f90b2ba03</citedby><cites>FETCH-LOGICAL-c514t-bc9204e7c1b7d1d8ab0372aa67028403666d482551b915ccc6b95b8f90b2ba03</cites><orcidid>0000-0002-2897-8663</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S095006181530845X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Niu, Yanfang</creatorcontrib><creatorcontrib>Zhu, Ziqiang</creatorcontrib><creatorcontrib>Xiao, Jiaying</creatorcontrib><creatorcontrib>Liu, Zhengchun</creatorcontrib><creatorcontrib>Liang, Bo</creatorcontrib><title>Evaluation of storage stability of styrene–butadiene–styrene block copolymer-modified asphalt via electrochemical analysis</title><title>Construction & building materials</title><description>•Electrochemical analysis determines SBS content variation after hot tube storage.•The method provides an accurate segregation assessment for SBS modified asphalt.•The method reveals the thermo-oxidative degradation of SBS in modified asphalt.
The stability of styrene–butadiene–styrene (SBS) block copolymer-modified asphalt during hot storage and transportation is an important issue. Considering the shortcomings of the present storage stability test implementing softening point, an electrochemical technique was developed to evaluate the segregation behavior of SBS-modified asphalt. Quantitative analysis of SBS content in asphalt based on potentiometric titration was employed to determine the difference in SBS content between the top and the bottom samples taken from a hot tube storage test. An accurate variation of SBS content was traced with a fractional error of less than 0.5%, and the possible thermo-oxidative degradation of SBS during hot storage was also discussed. Results showed that electrochemical analysis can be a viable technique to evaluate the storage stability of SBS-modified asphalt directly as opposed to an indirect measurement with softening point.</description><subject>Analysis</subject><subject>Asphalt</subject><subject>Butadiene</subject><subject>Chemical properties</subject><subject>Electrochemical analysis</subject><subject>Electrochemistry</subject><subject>Modified asphalt</subject><subject>SBS content</subject><subject>Storage stability</subject><issn>0950-0618</issn><issn>1879-0526</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNqNkU2K3DAQhU1IIJ1J7uCQbexIaku2l0Mz-YGBbGYvSj92V0e2Gknd4E3IHXLDOUnUeBYz0IsgUBWP9wqqvqL4SElNCRVfDrX2szqhMxOkmhHKa8pq2javig3t2r4inInXxYb0nFRE0O5t8S7GAyFEMME2xe-7M7gTJPRz6YcyJh9gtLmCQodpWcUl2Nk-_vmrTgkMrv2TWirn9a9S-6N3y2RDNXmDA1pTQjzuwaXyjFBaZ3UKXu_thBpcCTO4JWJ8X7wZwEX74aneFA9f7x5236v7n99-7G7vK81pkyqle0Ya22qqWkNNB4psWwYgWsK6hmyFEKbpGOdU9ZRrrYXqueqGniimgGxvik_r2BGclTgPPgXQE0YtbxveiS7fg2dXdcU15iUDOD_bAbP8wl9f8ednLlteDXx-FlCniLON-Ys47lMc4RTjS3u_2nXwMQY7yGPACcIiKZEX-vIgn9GXF_qSMpnp5-xuzdp81TPaIKPO4LQ1GDIKaTz-x5R_rmrCjQ</recordid><startdate>20160315</startdate><enddate>20160315</enddate><creator>Niu, Yanfang</creator><creator>Zhu, Ziqiang</creator><creator>Xiao, Jiaying</creator><creator>Liu, Zhengchun</creator><creator>Liang, Bo</creator><general>Elsevier Ltd</general><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><orcidid>https://orcid.org/0000-0002-2897-8663</orcidid></search><sort><creationdate>20160315</creationdate><title>Evaluation of storage stability of styrene–butadiene–styrene block copolymer-modified asphalt via electrochemical analysis</title><author>Niu, Yanfang ; Zhu, Ziqiang ; Xiao, Jiaying ; Liu, Zhengchun ; Liang, Bo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c514t-bc9204e7c1b7d1d8ab0372aa67028403666d482551b915ccc6b95b8f90b2ba03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Analysis</topic><topic>Asphalt</topic><topic>Butadiene</topic><topic>Chemical properties</topic><topic>Electrochemical analysis</topic><topic>Electrochemistry</topic><topic>Modified asphalt</topic><topic>SBS content</topic><topic>Storage stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niu, Yanfang</creatorcontrib><creatorcontrib>Zhu, Ziqiang</creatorcontrib><creatorcontrib>Xiao, Jiaying</creatorcontrib><creatorcontrib>Liu, Zhengchun</creatorcontrib><creatorcontrib>Liang, Bo</creatorcontrib><collection>CrossRef</collection><collection>Gale Business: Insights</collection><collection>Business Insights: Essentials</collection><jtitle>Construction & building materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Niu, Yanfang</au><au>Zhu, Ziqiang</au><au>Xiao, Jiaying</au><au>Liu, Zhengchun</au><au>Liang, Bo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of storage stability of styrene–butadiene–styrene block copolymer-modified asphalt via electrochemical analysis</atitle><jtitle>Construction & building materials</jtitle><date>2016-03-15</date><risdate>2016</risdate><volume>107</volume><spage>38</spage><epage>43</epage><pages>38-43</pages><issn>0950-0618</issn><eissn>1879-0526</eissn><abstract>•Electrochemical analysis determines SBS content variation after hot tube storage.•The method provides an accurate segregation assessment for SBS modified asphalt.•The method reveals the thermo-oxidative degradation of SBS in modified asphalt.
The stability of styrene–butadiene–styrene (SBS) block copolymer-modified asphalt during hot storage and transportation is an important issue. Considering the shortcomings of the present storage stability test implementing softening point, an electrochemical technique was developed to evaluate the segregation behavior of SBS-modified asphalt. Quantitative analysis of SBS content in asphalt based on potentiometric titration was employed to determine the difference in SBS content between the top and the bottom samples taken from a hot tube storage test. An accurate variation of SBS content was traced with a fractional error of less than 0.5%, and the possible thermo-oxidative degradation of SBS during hot storage was also discussed. Results showed that electrochemical analysis can be a viable technique to evaluate the storage stability of SBS-modified asphalt directly as opposed to an indirect measurement with softening point.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2015.12.174</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-2897-8663</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Construction & building materials, 2016-03, Vol.107, p.38-43 |
| issn | 0950-0618 1879-0526 |
| language | eng |
| recordid | cdi_gale_infotracmisc_A458680005 |
| source | Elsevier ScienceDirect Journals |
| subjects | Analysis Asphalt Butadiene Chemical properties Electrochemical analysis Electrochemistry Modified asphalt SBS content Storage stability |
| title | Evaluation of storage stability of styrene–butadiene–styrene block copolymer-modified asphalt via electrochemical analysis |
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