Nanotechnology Now - Press Release: Polymer fibers with graphene nanotubes make it possible to heat hard-to-reach, complex-shaped items

Home > Press > Polymer fibers with graphene nanotubes make it possible to heat hard-to-reach, complex-shaped items

Abstract:
• Polymer fibers with graphene nanotubes combine the flexibility of synthetic fiber with very high electrical conductivity. The nanotubes can be added into melted polypropylene or polyamide to provide electrical conductivity.
• An ultrafine conductive fiber is used for fabric or mesh that can then be integrated into a polymer system.
• Such electrically conductive heating fibers are required in the medical, agricultural, construction, oil and gas, textile, automotive, and aerospace industries.

Polymer fibers with graphene nanotubes make it possible to heat hard-to-reach, complex-shaped items

Luxembourg | Posted on February 11th, 2022

From the warming of seating to the heating of industrial and living areas, from the heating of cars interior parts to the de-icing of roofs—all these challenges require flexible heating elements that allow temperature control. AMPERETEX has developed an ultrafine polymer fiber with OCSiAl’s TUBALL graphene nanotubes, also known as single wall carbon nanotubes. “A current equivalent to an ordinary incandescent lamp with a power of 75 W is enough to heat polymer material with a mesh made from such a fiber with nanotubes. The solution is safe for people—the voltage of clothing made of fabric with nanotubes is only 5 V,” said Pavel Pogrebnyakov, Founder and CEO of AMPERETEX.

“Graphene nanotubes are one of the highest performing conductors on Earth. At the same time, unlike other carbon additives, they are very flexible. Their shape is similar to human hair, but 50,000 times thinner. Due to their unique properties, the dosage of graphene nanotubes required to modify polymer fibers can be so low that it doesn’t affect filament production or characteristics,” said Dr. Christian Maus, Development and Support Leader for Thermoplastics at OCSiAl Group. The graphene nanotubes are available as concentrates that can be added into melted polypropylene or polyamide, for example.

Heating mesh made of the innovative fibers is integrated into flexible material or complex-shaped composite elements. Laboratory tests showed a fiber durability of 30,000 cycles, which is compatible to a 30-year service life. Electrically conductive heating meshes have successfully passed testing in various projects, among which are an anti-icing roof and a bus stop: an anti-slip coating with integrated AMPERETEX heating elements and embedded automatic heating sensors.

“The market for the application of such fibers is huge. This includes the medical, agricultural, construction, oil and gas, automotive, and aerospace industries. Currently, we have entered production of synthetic heating fabrics at industrial-scale volumes. This year, we plan to release a line of products for heating in previously unavailable areas. We are trying to reduce energy consumption and create solutions for the B2B sector in response to a specific request. The next step is the usage of these elements for heating of hard-to-reach objects and products with complex geometric configurations,” noted Pavel Pogrebnyakov.

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About OCSiAl Group
Headquartered in Luxembourg, OCSiAl is the world’s largest manufacturer of graphene nanotubes, also known as single wall carbon nanotubes. It employs more than 450 people worldwide in locations including the United States, Europe, China, Russia, India, Japan, and South Korea. Current annual production capacity is 90 tons, which accounts for 97% of the world’s graphene nanotube production capacity. OCSiAl has developed more than 40 graphene nanotube products aimed at enhancing polymer materials, including thermosets, thermoplastics, elastomers, and electrochemical power sources. Read more at tuball.com

About AMPERETEX

AMPERETEX is a Russian company producing heating fabrics based on an electrically conductive fiber with the addition of polymers and nano-additives. The company's plant was built in the Khrabrovo Industrial Park in the Kaliningrad Region. The geographical position of the westernmost region of Russia and the status of a special economic zone resident allows the company's partners to supply raw materials and finished products at the lowest cost both to the CIS market and to the markets of the EU and North America. Read more at https://amperetex.ru/en/

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Contacts:
Anastasiya Tarasenko
PR & Advertising Manager
OCSiAl Group
+7 952 944 25 53

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