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These may occur in storage rooms, cabinets or even in temporary locations, such as workbenches and shelves. A relevant number of these chemicals are corrosive, thus commercial products already exist to prevent material damage and injuries. One strategy consists of the use of absorbing mats, where few display neutralizing properties, and even less a controlled neutralization. Nevertheless, to the authors\u2019 knowledge, the commercially available neutralizing mats are solely dedicated to neutralizing acid or alkali solutions, never both. Therefore, this work describes the development and proof of a completely novel concept, where a dual component active mat (DCAM) is able to perform a controlled simultaneous neutralization of acid and alkali leakages by using microencapsulated active components. Moreover, its active components comprise food-grade ingredients, embedded in nonwoven polypropylene. The acid neutralizing mats contain sodium carbonate (Na2CO3) encapsulated in sodium alginate microcapsules (MC-ASC). Alkali neutralizing mats possess commercial encapsulated citric acid in hydrogenated palm oil (MIRCAP CT 85-H). A DCAM encompasses both MC-ASC and MIRCAP CT 85-H and was able to neutralize solutions up to 10% (v\/v) of hydrochloric acid (HCl) and sodium hydroxide (NaOH). The efficacy of the neutralization was assessed by direct titration and using pH strip measurement tests to simulate the leakages. Due to the complexity of neutralization efficacy evaluation based solely on pH value, a thorough conductivity study was performed. DCAM reduced the conductivity of HCl and NaOH (1% and 2% (v\/v)) in over 70%. The composites were characterized by scanning electron microscopy (SEM), differential calorimetry (DSC) and thermogravimetric analysis (TGA). The size of MC-ASC microcapsules ranged from 2 \u03bcm to 8 \u03bcm. Finally, all mat components displayed thermal stability above 150 \u00b0C.<\/jats:p>","DOI":"10.3390\/gels8080489","type":"journal-article","created":{"date-parts":[[2022,8,7]],"date-time":"2022-08-07T22:51:46Z","timestamp":1659912706000},"page":"489","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Active Neutralizing Mats for Corrosive Chemical Storage"],"prefix":"10.3390","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9768-0628","authenticated-orcid":false,"given":"Rui D. V.","family":"Fernandes","sequence":"first","affiliation":[{"name":"Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0589-1186","authenticated-orcid":false,"given":"Liliana","family":"Melro","sequence":"additional","affiliation":[{"name":"Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5630-6621","authenticated-orcid":false,"given":"Jorge","family":"Padr\u00e3o","sequence":"additional","affiliation":[{"name":"Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9556-6311","authenticated-orcid":false,"given":"Ana Isabel","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9635-2902","authenticated-orcid":false,"given":"Behnaz","family":"Mehravani","sequence":"additional","affiliation":[{"name":"Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Filipa","family":"Monteiro","sequence":"additional","affiliation":[{"name":"ISISE, Institute of Science and Innovation in Structural Engineering, Department of Civil Engineering, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Eduardo","family":"Pereira","sequence":"additional","affiliation":[{"name":"ISISE, Institute of Science and Innovation in Structural Engineering, Department of Civil Engineering, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1120-9312","authenticated-orcid":false,"given":"Marcos S.","family":"Martins","sequence":"additional","affiliation":[{"name":"CMEMS-UMINHO, Universidade do Minho, 4800-058 Guimar\u00e3es, Portugal"},{"name":"LABBELS\u2014Associate Laboratory, Braga, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0756-6854","authenticated-orcid":false,"given":"Nuno","family":"Dourado","sequence":"additional","affiliation":[{"name":"CMEMS-UMINHO, Universidade do Minho, 4800-058 Guimar\u00e3es, Portugal"},{"name":"LABBELS\u2014Associate Laboratory, Braga, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5299-4164","authenticated-orcid":false,"given":"Andrea","family":"Zille","sequence":"additional","affiliation":[{"name":"Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2022,8,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Asiry, S., and Ang, L.-C. 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