Research on the properties of asphalt-based polymer sealing materials and their application in pavement crack repair

Research on the properties of asphalt-based polymer sealing materials and their application in pavement crack repair | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Research on the properties of asphalt-based polymer sealing materials and their application in pavement crack repair Jian Sun, Dmytro Kostin, Tetera Vladyslav, Yanan Zhang, Beibei Li, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-9388968/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 7 You are reading this latest preprint version Abstract If cracks in asphalt concrete pavement are not repaired in time, they can easily lead to damage to the entire road structure. Heated asphalt-based polymer sealing materials (asphalt-based polymer sealants and asphalt-based polymer mastics) are commonly used sealing materials, but there is still a lack of research on the composition control and performance of oxidized petroleum asphalt-based sealing materials. This paper investigated the effects of different grades of oxidized petroleum road asphalt, thermoplastic elastomer content, plasticizer content, and different types and amounts of mineral fillers on the performance of heated asphalt-based polymer sealing materials. At the same time, the pull-out test was employed to analyze the influence law of the surface temperature of the asphalt concrete in the crack area on the adhesion strength between the asphalt-based polymer sealing material and the crack area of the asphalt concrete. The results showed that when the content of plasticizer and Butonal NS 198 cationic latex remained constant, reducing SBS content from 8% to 5% caused the softening point to decrease by 7°C and the elastic recovery rate to drop by 3%, while slightly improving penetration depth and ductility of the material; when the plasticizer concentration was ≥ 15%, both the brittleness temperature and low-temperature flexibility of the asphalt-based polymer sealing material were below − 30°C; adding 15% mineral filler can increase the softening point by 4–8°C and enhance the rutting resistance factor (G*/sin δ)and the low-temperature creep stiffness, with kaolin showing a superior effect. The surface temperature of asphalt concrete in the crack area significantly affects the adhesion strength. When specimens were preheated to 80°C, adhesion strength increased by 1.36 to 1.77 times compared to when heated to 10°C. This sealing material and its corresponding construction process had been applied to crack repair on national highways. Monitoring results showed that the sealed areas remained intact for 2.5 to 3 years of road operation, indicating excellent sealing, durability, and waterproofing performance. This technology can provide technical support for asphalt pavement crack repair. Physical sciences/Engineering Physical sciences/Materials science asphalt-based polymer sealing materials cracks thermoplastic elastomer plasticizer adhesion strength Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Reviews received at journal 22 Apr, 2026 Reviewers agreed at journal 22 Apr, 2026 Reviewers invited by journal 22 Apr, 2026 Editor invited by journal 22 Apr, 2026 Editor assigned by journal 17 Apr, 2026 Submission checks completed at journal 17 Apr, 2026 First submitted to journal 11 Apr, 2026 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-9388968","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":633482614,"identity":"ad0657d0-65cb-41fb-912a-196b9c65c5b7","order_by":0,"name":"Jian Sun","email":"","orcid":"","institution":"Xinjiang Agricultural University","correspondingAuthor":false,"prefix":"","firstName":"Jian","middleName":"","lastName":"Sun","suffix":""},{"id":633482618,"identity":"59ad795f-858e-4258-8f60-fd5d42ecd64c","order_by":1,"name":"Dmytro Kostin","email":"","orcid":"","institution":"Kharkiv National Automobile and Highway 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materials, cracks, thermoplastic elastomer, plasticizer, adhesion strength","lastPublishedDoi":"10.21203/rs.3.rs-9388968/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-9388968/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eIf cracks in asphalt concrete pavement are not repaired in time, they can easily lead to damage to the entire road structure. Heated asphalt-based polymer sealing materials (asphalt-based polymer sealants and asphalt-based polymer mastics) are commonly used sealing materials, but there is still a lack of research on the composition control and performance of oxidized petroleum asphalt-based sealing materials. This paper investigated the effects of different grades of oxidized petroleum road asphalt, thermoplastic elastomer content, plasticizer content, and different types and amounts of mineral fillers on the performance of heated asphalt-based polymer sealing materials. At the same time, the pull-out test was employed to analyze the influence law of the surface temperature of the asphalt concrete in the crack area on the adhesion strength between the asphalt-based polymer sealing material and the crack area of the asphalt concrete. The results showed that when the content of plasticizer and Butonal NS 198 cationic latex remained constant, reducing SBS content from 8% to 5% caused the softening point to decrease by 7\u0026deg;C and the elastic recovery rate to drop by 3%, while slightly improving penetration depth and ductility of the material; when the plasticizer concentration was \u0026ge;\u0026thinsp;15%, both the brittleness temperature and low-temperature flexibility of the asphalt-based polymer sealing material were below \u0026minus;\u0026thinsp;30\u0026deg;C; adding 15% mineral filler can increase the softening point by 4\u0026ndash;8\u0026deg;C and enhance the rutting resistance factor (G*/sin δ)and the low-temperature creep stiffness, with kaolin showing a superior effect. The surface temperature of asphalt concrete in the crack area significantly affects the adhesion strength. When specimens were preheated to 80\u0026deg;C, adhesion strength increased by 1.36 to 1.77 times compared to when heated to 10\u0026deg;C. This sealing material and its corresponding construction process had been applied to crack repair on national highways. Monitoring results showed that the sealed areas remained intact for 2.5 to 3 years of road operation, indicating excellent sealing, durability, and waterproofing performance. 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