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SUTD researchers use sustainable ecological cellulose to 3d printing large objects
Jun 11, 2018

Singapore university of technology and design (SUTD) researchers recently showed 3D printing large objects by using cellulose.Their approach inspired by the wall of fungal samples oomycetes, by introducing a small amount of chitin replication between cellulose fibre.Fungal samples adhesive materials (FLAM) strong, light weight, low cost, molding or processing techniques may be used.

1.2 m, entirely made from cellulose and chitosan 5.2 kg of turbine blades

Cellulose is the most abundant and widely distributed on earth one of organic compounds and industrial by-product.Yet, despite decades of extensive research, lack of scalability and high production costs is to limit the use of cellulose as two problems of 3 d printing materials.

Developed by researchers in SUTD fungal adhesive materials completely is said to be ecologically sustainable, because without using organic solvent or synthetic plastic to make it.It is extensible, can be in the absence of special facilities for copying the FLAM under natural conditions and composting facilities can be completely biodegradable.

It further argued that the cost of FLAM within the scope of the plastic goods, than ordinary 3 d printing consumables (such as PLA (polylactic acid) and ABS (acrylonitrile butadiene styrene)) of 10 times the cost is low.The researchers also further developed for the increase of material manufacturing technology of the material.

Led the study, assistant professor of SUTD javier gomez fernandez said: "we believe that the first large-scale increase material manufacturing process and the most common biopolymer on earth will be a transition to the environmentally friendly and circular manufacturing model, in a closed area system in the production, use and biodegradable materials this copy and manufacture technology found in the oomycetes wall material composition, namely without modification of cellulose, a small amount of chitosan - the second dafeng organic molecules and low concentration of acetic acid, may be a biological inspired one of the most successful technology material field."

Assistant professor SITD Stylianos Dritsas added: "we believe this report represents the result of the global manufacturing a turning point, the material science, environmental engineering, automation and economic and other fields have a wider impact.So far, we have been concerned on the basis of technical development, rarely have the time to specific target applications, we are now in seeking industrial partners to bring the technology from the laboratory to the world stage."

With the increase of waste and pollution, the urgency of more sustainable manufacturing process is increasing.Establish a compostable polymers based on without modification technology, the polymer does not require farmland or forest resources, will promote harmless to the environment of manufacturing industry and the sustainable development of the social transition.

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