Synthesis of Polylactic Acid/Cellulose Composite Extracted from Pineapple Leaves

<!DOCTYPE html> <html lang="en" dir="ltr"> <head> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <link rel="canonical" href="https://www.scientific.net/KEM.891.131" /> <meta property="og:title" content="Synthesis of Polylactic Acid/Cellulose Composite Extracted from Pineapple Leaves | Scientific.Net" /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://www.scientific.net/KEM.891.131" /> <meta property="og:image" content="/Content/app/scinet5/images/metadata_logo.png" /> <meta property="og:image:type" content="image/png" /> <meta property="og:image:width" content="261" /> <meta property="og:image:height" content="260" /> <meta property="og:image:alt" content="Scientific.Net Logo" /> <meta name="citation_language" content="en" /> <meta name="citation_publisher" content="Trans Tech Publications Ltd" /> <meta name="citation_title" content="Synthesis of Polylactic Acid/Cellulose Composite Extracted from Pineapple Leaves" /> <meta name="citation_publication_date" content="2021" /> <meta name="citation_online_date" content="2021/07/06" /> <meta name="citation_conference_title" content="CMS 2020 Winter Proceedings" /> <meta name="citation_journal_title" content="Key Engineering Materials" /> <meta name="citation_issn" content="1662-9795" /> <meta name="citation_volume" content="891" /> <meta name="citation_firstpage" content="131" /> <meta name="citation_lastpage" content="136" /> <meta name="citation_pdf_url" content="https://www.scientific.net/KEM.891.131.pdf" /> <meta name="citation_abstract_html_url" content="https://www.scientific.net/KEM.891.131" /> <meta name="citation_keywords" content="Cellulose;Pineapple Leaves;Polylactic Acid;Polymer Composite" /> <meta name="citation_doi" content="10.4028/www.scientific.net/KEM.891.131" /> <meta name="citation_author" content="Kanokporn Pornbencha" /> <meta name="citation_author" content="Tanabadee Boonmalert" /> <meta name="citation_author" content="Anusorn Seubsai" /> <meta name="citation_author" content="Peerapan Dittanet" /> <meta name="citation_reference" content="citation_title=Nanocellulose from Industrial and Agricultural Waste for Further Use in PLA Composites; citation_author=Alana G. de Souza; citation_author=Rennan F. 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Cie艣lak; citation_author=Artur Zdunek; citation_volume=12; citation_issue=4; citation_publication_date=2020/4/4; citation_pages=812; citation_doi=10.3390/polym12040812" /> <meta name="citation_reference" content="citation_title=Chemical modification of starch based biodegradable polymeric blends: effects on water uptake, degradation behaviour and mechanical properties; citation_author=Döne Demirgöz; citation_author=Carlos Elvira; citation_author=João F Mano; citation_author=Antonio M Cunha; citation_author=Erhan Piskin; citation_author=Rui L Reis; citation_volume=70; citation_issue=2; citation_publication_date=2000/1; citation_pages=161-170; citation_doi=10.1016/s0141-3910(00)00102-6" /> <meta name="citation_reference" content="citation_title=Preparation and characterization of pineapple leaf cellulose nanocrystal reinforced gelatin bio-nanocomposite with antibacterial banana leaf extract for application in food packaging; citation_author=M. Sasikala; citation_author=M. J. Umapathy; citation_volume=42; citation_issue=24; citation_publication_date=2018; citation_pages=19979-19986; citation_doi=10.1039/c8nj02973c" /> <meta name="citation_reference" content="A. Mekki, B. Sami, b.S. Abdelhamid, N.B. Mohamed, G. Alessandro, Interaction of Silane Coupling Agents with Cellulose, Langmuir, 18 (2002) 3203-3208." /> <meta name="citation_reference" content="citation_title=Polylactic Acid and Polylactic Acid-Based Nanocomposite Photooxidation; citation_author=Sergio Bocchini; citation_author=Kikku Fukushima; citation_author=Alessandro Di Blasio; citation_author=Alberto Fina; citation_author=Alberto Frache; citation_author=Francesco Geobaldo; citation_volume=11; citation_issue=11; citation_publication_date=2010/10/13; citation_pages=2919-2926; citation_doi=10.1021/bm1006773" /> <meta name="citation_reference" content="citation_title=Improvement of polylactic acid film properties through the addition of cellulose nanocrystals isolated from waste cotton cloth; citation_author=Zhanhong Wang; citation_author=Zhengjun Yao; citation_author=Jintang Zhou; citation_author=Meng He; citation_author=Qiong Jiang; citation_author=Aimin Li; citation_author=Shuiping Li; citation_author=Manqing Liu; citation_author=Sen Luo; citation_author=Dewen Zhang; citation_volume=129; citation_publication_date=2019/5; citation_pages=878-886; citation_doi=10.1016/j.ijbiomac.2019.02.021" /> <meta name="citation_reference" content="citation_title=Properties of Polylactic Acid Reinforced by Hydroxyapatite Modified Nanocellulose; citation_author=Jianxiao Lu; citation_author=Chuanyue Sun; citation_author=Kexin Yang; citation_author=Kaili Wang; citation_author=Yingyi Jiang; citation_author=Rogers Tusiime; citation_author=Yun Yang; citation_author=Fan Fan; citation_author=Zeyu Sun; citation_author=Yong Liu; citation_author=Hui Zhang; citation_author=Keqing Han; citation_author=Muhuo Yu; citation_volume=11; citation_issue=6; citation_publication_date=2019/6/6; citation_pages=1009; citation_doi=10.3390/polym11061009" /> <meta name="citation_reference" content="citation_title=Polypropylene-Based Nanocomposite with Enhanced Aging Stability by Surface Grafting of Silica Nanofillers with a Silane Coupling Agent Containing an Antioxidant; citation_author=Ryota Watanabe; citation_author=Aki Sugahara; citation_author=Hideaki Hagihara; citation_author=Kei Sakamoto; citation_author=Yumiko Nakajima; citation_author=Yuki Naganawa; citation_volume=5; citation_issue=21; citation_publication_date=2020/5/18; citation_pages=12431-12439; citation_doi=10.1021/acsomega.0c01198" /> <meta name="citation_reference" content="citation_title=Effects of Silane Surface Treatment of Cellulose Nanocrystals on the Tensile Properties of Cellulose-Polyvinyl chloride Nanocomposite; citation_author=Rasha M. Sheltami; citation_author=Hanieh Kargarzadeh; citation_author=Ibrahim Abdullah; citation_volume=44; citation_issue=6; citation_publication_date=2015/6/1; citation_pages=801-810; citation_doi=10.17576/jsm-2015-4406-05" /> <meta name="person" content="Kanokporn Pornbencha, Tanabadee Boonmalert, Anusorn Seubsai, Peerapan Dittanet" /> <meta name="description" content="In this work, cellulose was extracted from pineapple leaves by basic hydrolysis and surface-modified by silane coupling agent (Si-69) for use as reinforcing agent in polylactic acid (PLA). The pineapple leaves were subjected to alkali and bleaching treatments to remove hemicellulose and lignin. The corresponding FTIR spectra reveals intensity peaks at 1727 cm-1 assigned to C=O stretching in hemicellulose, 1614 cm-1 and 1539 cm-1 from C=C stretching of lignin and 1241 cm-1 attributed to C-O stretching of lignin, all of which decreased following the chemical treatments to confirm the effective removal of hemicellulose and lignin. These results were consistent with fiber composition analysis where hemicellulose and lignin both favorably decreased from approximately 20% to 5.46% and 0.47%, respectively, after chemical treatments. However, cellulose content unfortunately also decreased with bleaching cycles despite improving the cellulose yield. The cellulose was effectively surface-modified by 5 wt% and 10 wt% of Si-69 as confirmed with C-O-Si stretching at 1240 cm-1 from FTIR. As a reinforcing filler to improve PLA performance, cellulose treated by Si-69 were infused into PLA matrix to obtain composite films by solvent casting. As expected, PLA modified with surface-modified cellulose showed the highest value of tensile strength of 21.75 Mpa among the reinforced filler samples and pure PLA, due to a strong adhesion at the interphase of PLA matrix and cellulose." /> <meta name="keywords" content="Cellulose, Pineapple Leaves, Polylactic Acid, Polymer Composite" /> <meta name="copyright" content="2021 Trans Tech Publications Ltd. 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download-and-visitor-statistics-icon"></i> <span class="normal-text" id="paperDownloadsAndVisitorsCount"></span> </div> </div> <div class="clearfix"></div> <div class="page-paper-title"> <div class="preview-block"> <img alt="Article Preview" width="128" height="180" src="/KEM.891.131/thumbnail.gif"> <div id="preview-button" data-url-preview-log="/Paper/PreviewImageLog?paperId=577262"> <i class="inline-icon preview-icon"></i> </div>  <div id="paper-preview-modal" class="modal fade"> <div class="modal-dialog" role="document"> <div class="popup-page-name underline-begin"> <div class="page-name-block-text">Article Preview</div> </div> <img alt="Article Preview" class="preview-image lazyload" data-src="/KEM.891.131/preview.gif"> <a data-dismiss="modal" title="Close" class="inline-icon close-icon"></a> </div> </div>  </div> <div class="abstract-block-description"> <h3 class="page-paper-first-header">Abstract:</h3> <p class="normal-text"> In this work, cellulose was extracted from pineapple leaves by basic hydrolysis and surface-modified by silane coupling agent (Si-69) for use as reinforcing agent in polylactic acid (PLA). The pineapple leaves were subjected to alkali and bleaching treatments to remove hemicellulose and lignin. The corresponding FTIR spectra reveals intensity peaks at 1727 cm<sup>-1 </sup>assigned to C=O stretching in hemicellulose, 1614 cm<sup>-1</sup> and 1539 cm<sup>-1</sup> from C=C stretching of lignin and 1241 cm<sup>-1 </sup>attributed to C-O stretching of lignin, all of which decreased following the chemical treatments to confirm the effective removal of hemicellulose and lignin. These results were consistent with fiber composition analysis where hemicellulose and lignin both favorably decreased from approximately 20% to 5.46% and 0.47%, respectively, after chemical treatments. However, cellulose content unfortunately also decreased with bleaching cycles despite improving the cellulose yield. The cellulose was effectively surface-modified by 5 wt% and 10 wt% of Si-69 as confirmed with C-O-Si stretching at 1240 cm<sup>-1 </sup>from FTIR. As a reinforcing filler to improve PLA performance, cellulose treated by Si-69 were infused into PLA matrix to obtain composite films by solvent casting. As expected, PLA modified with surface-modified cellulose showed the highest value of tensile strength of 21.75 Mpa among the reinforced filler samples and pure PLA, due to a strong adhesion at the interphase of PLA matrix and cellulose. </p> </div> <div class="paper-access-buttons col-xs-12"> <div class="row"> <div class="sa-button-wrap"> <a id="sa-button" class="wayfinder-login d-flex sa-button" href="javascript:;"> <div class="sa-button-logo-wrap"> <i class="inline-icon sa-white"></i> </div> <div class="d-flex justify-content-center align-items-center sa-button-text text-truncate"> <div class="sa-button-text-primary text-truncate">Access through your institution</div> </div> </a> </div> <div class="title-button-pdf"> <button id="readPaperButton" data-url-read-paper-log="/Paper/ReadThePaperLog?paperId=577262" class="button button-160"> <span class="inline-element">Read The Paper</span> </button> </div> </div> <div class="row"> </div> </div> <div class="clearfix"></div> <div 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href="/author-papers/pornbencha-kanokporn">Kanokporn Pornbencha</a>, <a href="/author-papers/tanabadee-boonmalert">Tanabadee Boonmalert</a>, <a href="/author-papers/anusorn-seubsai">Anusorn Seubsai</a>, <a class="inline-icon mail-icon-red author-send-message" href="#" data-url="/Paper/_Message?paperId=577262&personId=1197056&urlSent=https%3A%2F%2Fwww.scientific.net%2FKEM.891.131" title="Send message to Corresponding Author"> </a> <a href="/author-papers/peerapan-dittanet">Peerapan Dittanet</a>* </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>Keywords:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <a href="/paper-keyword/cellulose">Cellulose</a>, <a href="/paper-keyword/pineapple-leaves">Pineapple Leaves</a>, <a href="/paper-keyword/polylactic-acid">Polylactic Acid</a>, <a 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