{"id":52764,"date":"2018-05-18T07:23:29","date_gmt":"2018-05-18T05:23:29","guid":{"rendered":"https:\/\/renewable-carbon.eu\/news\/?p=52764"},"modified":"2018-05-17T11:38:40","modified_gmt":"2018-05-17T09:38:40","slug":"method-assembles-cellulose-nanofibres-into-a-material-stronger-than-spider-silk","status":"publish","type":"post","link":"https:\/\/renewable-carbon.eu\/news\/method-assembles-cellulose-nanofibres-into-a-material-stronger-than-spider-silk\/","title":{"rendered":"Method assembles cellulose nanofibres into a material stronger than spider silk"},"content":{"rendered":"
\"Ha\u0308r
SEM image of the cross-section of the fibre, showing the aligned nanofibrils.<\/figcaption><\/figure>\n

Researchers at KTH have produced a bio-based material that is reported to surpass the strength of all known bio-based materials whether fabricated or natural, including wood and spider silk.<\/strong><\/p>\n

Working with cellulose nanofibre (CNF), the essential building block of wood and other plant life, the researchers report that they have overcome the difficulty in translating the incredible mechanical properties of these nanofibres into larger, lightweight materials for use in airplanes, cars, furniture and other products.<\/p>\n

\u201cThe bio-based nanocellulose fibres fabricated here are 8 times stiffer and have strengths higher than natural dragline spider silk fibres, generally considered to be the strongest bio-based material,\u201d says corresponding author Daniel S\u00f6derberg, researcher at KTH Royal Institute of Technology. \u201cThe specific strength is exceeding that of metals, alloys, ceramics and E-glass fibres.\u201d<\/p>\n

Published in the journal of American Chemical Society (ACS Nano)<\/a>, the study describes a new method that mimics nature\u2019s ability to arrange cellulose nanofibres into almost perfect macroscale arrangements.<\/p>\n

The reported progress results from the development of insights into the way physics controls structuring of components, such as CNF, at the nanoscale during fabrication.<\/p>\n

This understanding enabled a new process, which involves controlling the flow of nanofibres suspended in water in a 1 mm wide channel milled in stainless steel. Connecting flows of deionized water and low pH water help align the nanofibres in the right direction and enable the supramolecular interactions between CNFs to self-organize into a well-packed state where they are joined together.<\/p>\n

\u201cThis discovery is made possible by understanding and controlling the key fundamental parameters essential for perfect nanostructuring, such as particle size, interactions, alignment, diffusion, network formation and assembly,\u201d S\u00f6derberg says.<\/p>\n

S\u00f6derberg says the study opens the way for developing nanofibre material that can be used for larger structures while retaining the nanofibres\u2019 tensile strength and ability to withstand mechanical load. The process can also be used to control nanoscale assembly of carbon tubes and other nano-sized fibres.<\/p>\n

Measurements of the material were reported for tensile stiffness, 86 gigapascals (GPa), and for tensile strength, 1.57 GPa.<\/p>\n

Funding for the research was provided by Knut and Alice Wallenberg Foundation through Wallenberg Wood Science Center.<\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers at KTH have produced a bio-based material that is reported to surpass the strength of all known bio-based materials whether fabricated or natural, including wood and spider silk. Working with cellulose nanofibre (CNF), the essential building block of wood and other plant life, the researchers report that they have overcome the difficulty in translating […]<\/p>\n","protected":false},"author":59,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","nova_meta_subtitle":"","footnotes":""},"categories":[5572],"tags":[11819,11877],"supplier":[6418,10307],"class_list":["post-52764","post","type-post","status-publish","format-standard","hentry","category-bio-based","tag-nanocellulose","tag-naturalfibres","supplier-kth-royal","supplier-the-wallenberg-foundations"],"_links":{"self":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts\/52764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/users\/59"}],"replies":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/comments?post=52764"}],"version-history":[{"count":0,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts\/52764\/revisions"}],"wp:attachment":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/media?parent=52764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/categories?post=52764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/tags?post=52764"},{"taxonomy":"supplier","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/supplier?post=52764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}