Lars Berglund of Swedish Royal Institute of Technology in Stockholm develops a paper using processed natural cellulose nanofibres.It‘s strength is almost equal to structural steel.
Generally, In process of paper making natural fibers are damaged thus make them weak.
Berglund develop a process to extract fiber keeping their property intact
Not only undamaged fibers make the paper strong, but also the arrangement of the fibers is another key factor of making the paper strong, as the fibers are strongly bound together.
"A regular paper network has fibres 30 micrometres in diameter; here we are at a scale three orders of magnitude smaller. The material has very small defects compared with a conventional paper network." Say Berglund. Source livescience.com.
It is stronger than cast iron and as strong as structural steel used in buildings and bridges.
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