Graphene nanotubes
Compliance with the ESD protection requirements of international standards is crucial for personal protective equipment (PPE) to guarantee safety in hazardous environments and static-sensitive facilities, including in ATEX zones, automotive and electronics manufacturing, cleanrooms, oil & gas, and mining, chemical, pharmacy, and medical facilities. Graphene nanotubes ensure compliance with ESD safety standards, providing stable, humidity-independent electrical resistance to all elements of the uninterrupted grounding chain of ESD-safe clothing.
The unique morphology and properties of graphene nanotubes provide stable anti-static properties and additional functionality to PPE. The granted electrical conductivity ensures high-level ESD protection according to international standards and additional functionality for protective wear, such as dust repellency and touch-screen compatibility. Ultralow working dosages, which are dozens of times lower that of other anti-static additives, make it possible to maintain final product durability and color flexibility, preserving mechanical properties and standard processing.
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Graphene nanotubes offer stable, permanent ESD protection and an anti-static effect, allowing seamless touch-screen operation without removing work gloves. This ensures both worker and product safety and compliance with the EN 16350 standard.
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In contrast to ammonium salts and conductive polymers with limited stability, graphene nanotubes provide latex gloves with permanent, humidity-independent resistance, resulting in stable anti-static properties without drawbacks.
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Anti-static wear with graphene nanotubes ensures compliance with ATEX zone regulations and is used for protection of workers against sparks, splashes of molten metal, high temperatures, and the risk of sudden electrostatic discharge.
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The transport of the future requires new materials that will make vehicles intelligent, functional, and energy-efficient. Revolutionary graphene nanotube-based solutions for the automotive industry meet this challenge, driving forward the sustainable transformation. Graphene nanotubes help automotive manufacturers to optimize cost-efficiency and improve the performance of various car components. The use of elastomers, thermoplastics, and thermosets reinforced with graphene nanotubes expands the limits on the development of completely new cars with lightweight bodies; safe and energy-efficient tires; smart interiors; and long-lasting, high-performance batteries for EVs.
A graphene nanotube, also called a single wall carbon nanotube, can be described as a one-atom-thick graphene sheet rolled into a tube more than 5 µm in length and 1.6 nm in width. These nanotubes—nature’s longest and most flexible material for conductivity and reinforcement of electrodes, including high-performance cathodes, thick electrodes, silicon anodes, and semi-solid batteries.
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Graphene nanotubes allow for fine-tuning formulations to achieve the required electrical dissipation in tires without compromising wet grip, energy efficiency, handling, or vehicle safety. Taber abrasion tests find no free-standing nanotubes are released from tire tread wear.
Graphene nanotubes—nature’s longest and most flexible material for conductivity and reinforcement of electrodes—resolve the major technological challenge of improving electric vehicle battery energy density, charge rate, and service life. Nanotubes serve as enablers for all new battery technologies.
Graphene nanotubes inside thermoplastics enable in-line electrophoretic painting of car plastic exterior parts together with metal components. They provide the polymer matrix with homogeneous electrical conductivity while preserving product durability and strength.
Increased durability, mechanical property stability, retained elasticity, and electrical conductivity are enabled by graphene nanotubes in rubber car parts. This set of properties is crucially important for car seals, O-rings, hoses, ignition wire cores, and cable connectors.
Nanotube-enhanced car seats, panel surfaces, and electronic screen coatings provide superior comfort, functionality, and safety, while also making cleaning easier.
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Healthcare devices like wearable electronics, body sensors, bionic prostheses, and massage tools rely on key features: electrical conductivity, elasticity, and softness. These devices must deliver accurate data and signals to and from the human body without causing discomfort and irritation or leaving marks on the skin.
Graphene nanotubes ensure RoHS compliance, provide precise conductivity for accurate sensor measurements, and maintain flexibility and softness — all without compromising skin comfort and device durability.
Thanks to the unique morphology and characteristics of graphene nanotubes, they provide stable conductive properties to silicone. The granted electrical conductivity enables the precise delivery of electronic impulses to and from the human body, ensuring accurate diagnostics and effective treatment without causing skin contamination.
Ultralow working dosages — dozens of times lower than those of other conductive additives — preserve the final product’s softness and color while maintaining standard processing conditions without generating carbon dust or drastically increasing viscosity.
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Graphene nanotubes form an effective 3D network throughout on-skin sensors, making them electrically conductive and able to receive bioelectrical signals through transmission of electrical currents from the human body, while preserving the original silicone’s low hardness and high elasticity and ensuring non-marking usage and touch comfort.
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In contrast to carbon black and metallic particles with unstable electrical conductivity, processing issues, risk of skin contamination, and limited flexibility, graphene nanotubes provide EMS massage devices with physiotherapy functionality and comfort without drawbacks.
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Nanotubes in silicone fingertips of a prosthesis facilitate the integration of actuators, sensors, and electronic components that transmit electrical currents, providing bionic hand prostheses with touch-screen capability, maintained softness and flexibility, and no skin contamination.
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Earbuds, smartwatch bracelets, and mobile phone keypads enhanced with graphene nanotubes feature stable ESD properties, touch comfort, non-marking performance, and customizable coloration.
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TUBALL™ SWCNT-based nanocomposites and RTV-2 materials were used to fabricate multilayer electronic skin (e-skin) micropatterns via additive manufacturing. SWCNTs provided reliable electrical pathways with low resistivity in micropattern geometries, enabling scalable, low-cost, and flexible e-skin prototypes with promising mechanical and sensing performance.
TUBALL™ dispersed in Ecoflex allows for improved sensitivity with a range from 0.018 (at 500 kPa) to 0.15 kPa⁻¹ (at 5 kPa). The developed sensor accurately detects abnormal activity patterns, such as sudden stops or irregular gait, thereby alerting users to potential safety concerns.
SWCNT/transition metal hybrid nanostructured electrodes was produced. These electrodes exhibit excellent electrothermal properties and flexibility, making them ideal for wearable electronics, semiconductors, energy storage, and catalyst research.
TUBALL™ forms liquid crystalline polyelectrolyte solutions without superacids, enabling safer, scalable production of conductive yarns and coatings. The resulting fibers demonstrate exceptional mechanical (up to 1179 MPa tensile) and electrical (~1.0 MS/m) performance, suitable for wearable electronics such as biometric sensors
The body-heat-powered wearable device offers portable, continuous, wireless monitoring of electromyogram and electrocardiogram captures. TUBALL™-based TEGs show stable performance for 7 days, harvesting a high open-circuit voltage of 175–180 mV from the human body to power wireless bioelectronics for continuous signal detection.
A novel smart contact lens enables noninvasive cholesterol monitoring through tear analysis, offering a convenient alternative to blood tests. The integrated biosensor, enhanced with TUBALL™ SWCNTs, provides high sensitivity and wireless signal transmission.