Cellulose Carbamate Synthesis and Dissolution from Wheat Straw: Influence of Biomass Origin and Inorganic Removal Compared to Softwood Dissolving Pulps

Cellulose Carbamate Synthesis and Dissolution from Wheat Straw: Influence of Biomass Origin and Inorganic Removal Compared to Softwood Dissolving Pulps | 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 Research Article Cellulose Carbamate Synthesis and Dissolution from Wheat Straw: Influence of Biomass Origin and Inorganic Removal Compared to Softwood Dissolving Pulps Ryen M. Frazier, Mariana Lendewig, Fernando Urdaneta, Jorge Franco, and 7 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7607724/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 4 You are reading this latest preprint version Abstract Growing concerns over sustainability are driving innovation in textiles, especially as demand and waste increase with population growth and fast fashion. Agricultural residues such as wheat straw (WS) have emerged as promising alternatives to wood-based feedstocks; however, their use in indirect dissolution routes for man-made cellulosic fiber production remains underexplored. Cellulose carbamate (CC) offers a safer alternative to viscose due to its lower reactant toxicity. In this study, CC was synthesized from one softwood and two WS-based prehydrolysis kraft dissolving pulps (untreated and EDTA-chelated) at ~130 ºC for 1–6 h to determine optimal conditions for derivatization and dissolution in an alkali solvent system. Maximum CC solubility was achieved after 2 h of reaction. The EDTA-chelated WS pulp reached degrees of substitution comparable to softwood, while untreated WS performed worse. Results suggest that metal ions in WS catalyze undesirable triuret side reactions, forming cyanuric acid and crosslinks that reduce solubility. EDTA treatment mitigated this effect, lowering insoluble content and improving suitability for fiber spinning. The findings demonstrate that WS is a viable feedstock for CC-based MMCFs, provided that targeted pretreatments remove interfering inorganics. cellulose carbamate man-made cellulosic fiber textile wheat straw inorganic dissolving pulp Full Text Additional Declarations No competing interests reported. Supplementary Files SupplementaryInfo.docx Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Revision requested 26 Oct, 2025 Editor assigned by journal 26 Oct, 2025 Submission checks completed at journal 22 Sep, 2025 First submitted to journal 13 Sep, 2025 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. 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