Correlation between the adsorption behavior of colloidal polymer particles and the yield stress of fresh cement pastes
Correlation between adsorption behavior of colloidal polymers on cement grains and yield stress of fresh cement pastes (fcps) is studied using four polymer latexes with varied surface charge density and glass transition temperature (Tg). Adsorption isotherm of the polymers is divided into two stages...
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| Veröffentlicht in: | Cement and concrete research 2022-02, Vol.152, p.106668, Article 106668 |
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| container_title | Cement and concrete research |
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| creator | Zhang, Chaoyang Kong, Xiangming Yu, Jianwei Jansen, Daniel Pakusch, Joachim Wang, Shengxian |
| description | Correlation between adsorption behavior of colloidal polymers on cement grains and yield stress of fresh cement pastes (fcps) is studied using four polymer latexes with varied surface charge density and glass transition temperature (Tg). Adsorption isotherm of the polymers is divided into two stages: before and after adsorption plateau. Higher charge density and lower Tg are beneficial to adsorption of polymer on cement grains. Before adsorption plateau, the adsorbed polymer particles play a bridging effect among cement grains which firstly increases and then decreases with increasing surface coverage ratio. Maximum bridging effect occurs at surface coverage ratio of ca. 20%. After adsorption plateau, yield stress of the fcps is significantly lower than that of the blank fcp because the adsorbed polymer layer reduces interaction force between cement grains, by increasing the minimum distance between two cement grains and generating repulsive force due to negative charges of the polymer particles. |
| doi_str_mv | 10.1016/j.cemconres.2021.106668 |
| format | Article |
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Adsorption isotherm of the polymers is divided into two stages: before and after adsorption plateau. Higher charge density and lower Tg are beneficial to adsorption of polymer on cement grains. Before adsorption plateau, the adsorbed polymer particles play a bridging effect among cement grains which firstly increases and then decreases with increasing surface coverage ratio. Maximum bridging effect occurs at surface coverage ratio of ca. 20%. After adsorption plateau, yield stress of the fcps is significantly lower than that of the blank fcp because the adsorbed polymer layer reduces interaction force between cement grains, by increasing the minimum distance between two cement grains and generating repulsive force due to negative charges of the polymer particles.</description><identifier>ISSN: 0008-8846</identifier><identifier>EISSN: 1873-3948</identifier><identifier>DOI: 10.1016/j.cemconres.2021.106668</identifier><language>eng</language><publisher>Elmsford: Elsevier Ltd</publisher><subject>Adsorption ; Adsorption behavior ; Cement ; Cement paste ; Charge density ; Colloidal polymers ; Fresh cement paste ; Glass transition temperature ; Grains ; Polymers ; Surface charge ; Surface chemistry ; Yield strength ; Yield stress</subject><ispartof>Cement and concrete research, 2022-02, Vol.152, p.106668, Article 106668</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Feb 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c273t-5e13502271b1ea79d1e41ba44e664da978d7bd0aeace10747b757dac354150b03</citedby><cites>FETCH-LOGICAL-c273t-5e13502271b1ea79d1e41ba44e664da978d7bd0aeace10747b757dac354150b03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.cemconres.2021.106668$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Zhang, Chaoyang</creatorcontrib><creatorcontrib>Kong, Xiangming</creatorcontrib><creatorcontrib>Yu, Jianwei</creatorcontrib><creatorcontrib>Jansen, Daniel</creatorcontrib><creatorcontrib>Pakusch, Joachim</creatorcontrib><creatorcontrib>Wang, Shengxian</creatorcontrib><title>Correlation between the adsorption behavior of colloidal polymer particles and the yield stress of fresh cement pastes</title><title>Cement and concrete research</title><description>Correlation between adsorption behavior of colloidal polymers on cement grains and yield stress of fresh cement pastes (fcps) is studied using four polymer latexes with varied surface charge density and glass transition temperature (Tg). Adsorption isotherm of the polymers is divided into two stages: before and after adsorption plateau. Higher charge density and lower Tg are beneficial to adsorption of polymer on cement grains. Before adsorption plateau, the adsorbed polymer particles play a bridging effect among cement grains which firstly increases and then decreases with increasing surface coverage ratio. Maximum bridging effect occurs at surface coverage ratio of ca. 20%. After adsorption plateau, yield stress of the fcps is significantly lower than that of the blank fcp because the adsorbed polymer layer reduces interaction force between cement grains, by increasing the minimum distance between two cement grains and generating repulsive force due to negative charges of the polymer particles.</description><subject>Adsorption</subject><subject>Adsorption behavior</subject><subject>Cement</subject><subject>Cement paste</subject><subject>Charge density</subject><subject>Colloidal polymers</subject><subject>Fresh cement paste</subject><subject>Glass transition temperature</subject><subject>Grains</subject><subject>Polymers</subject><subject>Surface charge</subject><subject>Surface chemistry</subject><subject>Yield strength</subject><subject>Yield stress</subject><issn>0008-8846</issn><issn>1873-3948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFUMtOwzAQtBBIlMI3YIlzip04tnusKl5SJS5wthx7ozpK42C7Rf17XFJx5bS7o5nd2UHonpIFJZQ_dgsDO-OHAHFRkpJmlHMuL9CMSlEV1ZLJSzQjhMhCSsav0U2MXR55WckZOqx9CNDr5PyAG0jfAANOW8DaRh_GM7zVB-cD9i02vu-9s7rHo--POwh41CE500PEerC_0qOD3uKYsqN40rS52eLsEoaU6TFBvEVXre4j3J3rHH0-P32sX4vN-8vberUpTCmqVNRAq5qUpaANBS2WlgKjjWYMOGdWL4W0orFEgzZAiWCiEbWw2lQ1ozVpSDVHD9PeMfivPcSkOr8PQz6pSl4JRmhJ6swSE8sEH2OAVo3B7XQ4KkrUKWTVqb-Q1SlkNYWclatJCfmJg4OgonEwGLAugEnKevfvjh_M24wF</recordid><startdate>202202</startdate><enddate>202202</enddate><creator>Zhang, Chaoyang</creator><creator>Kong, Xiangming</creator><creator>Yu, Jianwei</creator><creator>Jansen, Daniel</creator><creator>Pakusch, Joachim</creator><creator>Wang, Shengxian</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>202202</creationdate><title>Correlation between the adsorption behavior of colloidal polymer particles and the yield stress of fresh cement pastes</title><author>Zhang, Chaoyang ; Kong, Xiangming ; Yu, Jianwei ; Jansen, Daniel ; Pakusch, Joachim ; Wang, Shengxian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c273t-5e13502271b1ea79d1e41ba44e664da978d7bd0aeace10747b757dac354150b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Adsorption</topic><topic>Adsorption behavior</topic><topic>Cement</topic><topic>Cement paste</topic><topic>Charge density</topic><topic>Colloidal polymers</topic><topic>Fresh cement paste</topic><topic>Glass transition temperature</topic><topic>Grains</topic><topic>Polymers</topic><topic>Surface charge</topic><topic>Surface chemistry</topic><topic>Yield strength</topic><topic>Yield stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Chaoyang</creatorcontrib><creatorcontrib>Kong, Xiangming</creatorcontrib><creatorcontrib>Yu, Jianwei</creatorcontrib><creatorcontrib>Jansen, Daniel</creatorcontrib><creatorcontrib>Pakusch, Joachim</creatorcontrib><creatorcontrib>Wang, Shengxian</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Cement and concrete research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Chaoyang</au><au>Kong, Xiangming</au><au>Yu, Jianwei</au><au>Jansen, Daniel</au><au>Pakusch, Joachim</au><au>Wang, Shengxian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Correlation between the adsorption behavior of colloidal polymer particles and the yield stress of fresh cement pastes</atitle><jtitle>Cement and concrete research</jtitle><date>2022-02</date><risdate>2022</risdate><volume>152</volume><spage>106668</spage><pages>106668-</pages><artnum>106668</artnum><issn>0008-8846</issn><eissn>1873-3948</eissn><abstract>Correlation between adsorption behavior of colloidal polymers on cement grains and yield stress of fresh cement pastes (fcps) is studied using four polymer latexes with varied surface charge density and glass transition temperature (Tg). 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| ispartof | Cement and concrete research, 2022-02, Vol.152, p.106668, Article 106668 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Adsorption Adsorption behavior Cement Cement paste Charge density Colloidal polymers Fresh cement paste Glass transition temperature Grains Polymers Surface charge Surface chemistry Yield strength Yield stress |
| title | Correlation between the adsorption behavior of colloidal polymer particles and the yield stress of fresh cement pastes |
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