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Orange fiber for insulation and fabrics

Orange fiber for insulation and fabrics


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The waste from pruning oranges will be able to give life to an innovative acoustic insulation. Again, the field of green building uses the principle of recycling and recovery of materials to create somethingnewand save resources. Thereorange fiber, after a grinding process, they are mixed with polypropylene to obtain plates capable of improving the acoustic performance of the plaster by 150%.

The development of this new material for the field ofgreen buildingwas born thanks to the efforts of researchers from the University of Girona and the Polytechnic University of Valencia. The innovativeacoustic insulationhas already been produced by researchers from Girona and the performances are more than promising enough to deserve an article on the authoritativeJournal of Construction and Building Materials.

Jesus Alba, researcher at the Polytechnic University of Valencia, explains: “The plates obtained offer insulation of about 29 db (A), while conventional plasterboard isolates about 27 dB. These two decibels are important, because they improve the acoustic performance of the wall by 50% ”.

The acoustic performance is further improved when the two plates oforange fiberthey are associated with an insulating layer of sheep's wool. In this context, the acoustic insulation of the wall improves by 5 or 6 decibels.

If the improvements obtained seem to you to be carried out, know that it is a logarithmic ratio of magnitudes and therefore an increase of 3 decibels corresponds to a doubling. To better understand the logarithmic scale of this unit of measurement, just think of everyday noises: a conversation generates 50 dB while a vacuum cleaner produces 55 dB, that is, an increase in sound of over 150%.

Thereorange fiberit offers mechanical performances comparable to those of conventional building materials; the tests carried out show that theorange fiberit has mechanical characteristics superior to those of gypsum.

The spread of theorange fiberas an acoustic insulator it makes waste materials such as the remains of orange pruning, precious and usable elements again so as to give farmers the possibility of obtaining greater profit from their crops.

The field ofgreen buildinghe is not the only one who has set his sights onorange fibers. Another idea was born in Italy where the use oforange fibersin the textile field. This time there is no talk of orange fibers recovered from pruning waste, but from fibers derived from them oranges unsuitable for the food market (skin damaged by hail, skin too thick, unusual color and shape, unsold oranges ...). From these scraps, a fabric can be obtained, theOrange Fiberthat if enriched with particular capsules not only could cover us like the classic garments, it would also be able to nourish our skin.



Video: Turning Orange Peels Into Clothes - A Unique Way to Confront Food Waste. Summit 2019 (May 2022).