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Chitosan, which presents a potential for chemical modifications and capacity to form films, can be an alternative for coating due to its biocompatibility, biodegradability, and antimicrobial properties. Chitosan film can be obtained through casting method presenting suitable mechanical properties, such as resistance to traction and elongation, ability to adhere to surfaces and selective permeability to gases, such as O\n                    <jats:sub>2<\/jats:sub>\n                    and CO\n                    <jats:sub>2<\/jats:sub>\n                    . However, it is highly permeable to water vapor, which can limit its potential coating use. The properties of chitosan films can be improved through the formation of composites by inserting nanoclays as montmorillonite in the polymeric matrix. The objective of this study was to develop and characterize chitosan\/montmorillonite nanocomposites for fruit coating aiming for future applications in the field of smart packaging. Nanocomposites were characterized by its microstructure, thermal, mechanical, and physicochemical properties. X-ray diffraction analysis indicated changes in crystallinity with the insertion of montmorillonite. Nanocomposites became more transparent and significantly reduced its water permeability rate with 0.5% w\/w montmorillonite addition. Elastic rigidity and tensile strength of the films were improved. Chitosan\/montmorillonite nanocomposites demonstrated the potential to improve the storage time of Williams pears.\n                  <\/jats:p>","DOI":"10.1177\/10820132211057718","type":"journal-article","created":{"date-parts":[[2021,11,10]],"date-time":"2021-11-10T09:03:03Z","timestamp":1636534983000},"page":"25-39","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":12,"title":["Synthesis and characterization of chitosan\/montmorillonite nanocomposites for application as edible coating"],"prefix":"10.1177","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0211-9841","authenticated-orcid":false,"given":"Camily Aparecida","family":"Reis","sequence":"first","affiliation":[{"name":"Programa de P\u00f3s-Gradua\u00e7\u00e3o em Engenharia de Biomateriais, Universidade Federal de Lavras, Lavras, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M\u00e1rio Guimar\u00e3es","family":"J\u00fanior","sequence":"additional","affiliation":[{"name":"Departamento de Eletromec\u00e2nica, Centro Federal de Educa\u00e7\u00e3o Tecnol\u00f3gica de Minas Gerais, Arax\u00e1, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francys Kley Vieira","family":"Moreira","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia de Materiais, Universidade Federal de S\u00e3o Carlos, S\u00e3o Carlos, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 Manoel","family":"Marconcini","sequence":"additional","affiliation":[{"name":"Laborat\u00f3rio Nacional de Nanotecnologia (LNNA), Embrapa Instrumenta\u00e7\u00e3o, S\u00e3o Carlos, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7444-8102","authenticated-orcid":false,"given":"L\u00edvia Elisabeth Vasconcellos de Siqueira Brand\u00e3o","family":"Vaz","sequence":"additional","affiliation":[{"name":"Programa de P\u00f3s-Gradua\u00e7\u00e3o em Engenharia de Biomateriais, Universidade Federal de Lavras, Lavras, MG, Brazil"},{"name":"Departamento de Engenharia, Escola de Engenharia, Universidade Federal de Lavras, Lavras, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,11,10]]},"reference":[{"key":"bibr1-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2020.11.148"},{"key":"bibr2-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1016\/S0927-796X(00)00012-7"},{"key":"bibr3-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2020.12.028"},{"key":"bibr4-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1007\/s11947-021-02654-7"},{"key":"bibr5-10820132211057718","doi-asserted-by":"publisher","DOI":"10.3390\/foods10010121"},{"key":"bibr6-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1016\/j.jare.2016.08.006"},{"key":"bibr7-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1590\/bjft.2014.019"},{"key":"bibr8-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1520\/E0096-00"},{"key":"bibr9-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1520\/D0882-09"},{"key":"bibr10-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2016.02.012"},{"key":"bibr11-10820132211057718","doi-asserted-by":"publisher","DOI":"10.1016\/j.colsurfa.2016.12.051"},{"key":"bibr12-10820132211057718","first-page":"43","volume":"17","author":"Bragg W","year":"1912","journal-title":"Proceedings of the Cambridge Philosophical Society"},{"issue":"605","key":"bibr13-10820132211057718","first-page":"428","volume":"88","author":"Bragg WH","year":"1913","journal-title":"Proceedings of the Royal Society of London. 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