{"id":49698,"date":"2018-11-30T10:16:51","date_gmt":"2018-11-30T10:16:51","guid":{"rendered":"https:\/\/www.pbctoday.co.uk\/news\/?p=49698"},"modified":"2022-10-19T15:12:44","modified_gmt":"2022-10-19T14:12:44","slug":"cambridge-develop-self-healing-concrete","status":"publish","type":"post","link":"https:\/\/www.pbctoday.co.uk\/news\/plant-equipment-supplies-news\/cambridge-develop-self-healing-concrete\/49698\/","title":{"rendered":"Researchers at Cambridge Uni to develop self-healing concrete"},"content":{"rendered":"

Researchers at the University of Cambridge<\/a> are using microencapsulation technologies developed by Dolomite Microfluidics to develop self-healing building materials<\/h2>\n

The Department of Engineering\u2019s Geotechnical and Environmental Research Group is developing microcapsules containing \u2018healing\u2019 agents \u2013 such as minerals, epoxy or polyurethane \u2013 which can be added to building materials to allow self-repair of small cracks which develop over time.<\/p>\n

Dr Livia Ribeiro de Souza, a postdoctoral researcher in the group, said: \u201cMany composite building materials used in the construction industry<\/a> \u2013 such as concrete \u2013 suffer fatigue over time, developing small cracks.<\/p>\n

\u201cWe are hoping to overcome this problem by adding microcapsules filled with \u2018healing\u2019 agents to the concrete before it is used. The idea is that, as cracks begin to form, they rupture the microcapsules, releasing their payload and stabilizing the material.\u201d<\/p>\n

\u201cThis approach requires the formation and functionalization of double emulsion microcapsules, which we have been producing with the help of microfluidics. We have been using a Dolomite Microfluidics system since 2014, and find that microfluidics offers much better control of particle size and composition than traditional emulsification polymerization techniques, simplifying the investigation and optimization of particle properties.\u201d<\/p>\n

The Dolomite system has enabled the researchers to create functionalized microcapsules that bind more strongly to the cement matrix, while also having thinner shell walls and higher core retention, improving their self-healing properties.<\/p>\n

Dr Ribeiro de Souza added: \u201cIt is good to be able to discuss any issues we\u2019re having with the experts at Dolomite Microfluidics<\/a>, helping to accelerate our research and move us a step closer to real-world applications.\u201d<\/p>\n

\n<\/div>","protected":false},"excerpt":{"rendered":"

Researchers at the University of Cambridge are using microencapsulation technologies developed by Dolomite Microfluidics to develop self-healing building materials.<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[308],"tags":[811,676,583,856,273],"stakeholder_rel_tag":[],"contributor_rel_tag":[],"class_list":{"0":"post-49698","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-plant-equipment-supplies-news","7":"tag-concrete","8":"tag-construction","9":"tag-construction-products","10":"tag-construction-technology","11":"tag-research-innovation"},"acf":[],"yoast_head":"\nResearchers at Cambridge Uni to develop self-healing 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