By Elmarco
- ensures additional drying of the produced nanomaterial - layers of nanofibers leave the electrospinning unit with some residual moisture or solvent content, and for this reason the layer must be properly dried before winding
Defect-free membranes with the INFINITY Minimization of defects Technological details Nanospider™ technology uses a spinning electrode in the shape of a thin wire which is continuously coated with polymer solution. Under the influence of a strong electrical field, nanofibers are then formed from a thin polymer layer on the electrode. The high‑voltage field acts between two electrode wires: spinning and collecting. - The spinning electrode wire is connected to a positively charged high‑voltage power source - The collecting electrode wire is connected to a negatively charged high‑voltage power source The filament electrode consists of a wire in a loop. The polymer solution is continuously applied to the wire using a static coating device. By applying a high‑voltage field, the surface tension of the polymer solution is overcome by the electrostatic force and the nanofiber jet is formed. As the nanofiber jet travels towards the collecting electrode, the solvent evaporates and the fiber is stretched. The nanofiber is deposited onto the substrate which is below the collecting electrode. Technological benefits Minimal defects This innovation enables production of high‑performance nanofiber membranes for use in HEPA filtration, liquid filtration, fuel cells, and battery separators. Production scalability Each INFINITY unit contains four wire loops which creates eight spinning electrode zones. Up to four units can be combined in series to increase the productivity of the line. Consistent production The environment inside the INFINITY line chamber is closely regulated for airflow, temperature, and humidity as these are key elements of stable, long‑term production of defect free nanofibers. Each chamber is designed to maintain this environment for consistent industrial production of nanofiber materials. INFINITY line technical specifications Number of electrospinning units | 1 Number of rotating modules | 2 Modules can also be operated independently with different polymers Total number of electrospinning electrodes | 8(4 per module) Spinning electrode width | 1,600 mm Electrospinning voltage | 0‑140 kV Unwinding speed (depending on the desired nanofiber layer) | 0.01‑5 m/min. Rotating wire speed | 0‑10 m/s Distance from the electrode to the substrate | 150‑250 mm Electrical consumption | 5‑10 kW Machine dimensions | Length 13,800 mm Width 9600 mm Temperature | Specific to the polymer used in the process (example PA6 on cellulose -temperature varies between 20‑30°C) Humidity | Specific to the polymer used in the process (example PA6 on cellulose -humidity is 20‑40% RH) Hours of operation | 24/7 operation (tanks require changing every 16‑24 hours) Startup time | Typically within 20 min. Time required to fill the polymer | 20 min. Tank volume | 60 l (2×30 litres) Time required to produce one batch | Maximum 24 hours, typically 16 hours. Monthly maintenance allowance | Uptime around 85‑89% Serving staff | 1 person/shift Production premises requirements | Approximately 200 m² (10×20 m) Minimum ceiling height of 4 m Flat and solid surface with a 500 kg/m² load capacity. For ease of operation, the floor must be sufficiently level. Other special requirements | Internet connection ‑remote access service. IDry compressed air: 6‑8 bar, can vary within 200 Nl/min. up to 2000 Nl/min. according to settings and operating mode. Inert gas: 0.5 bar, can vary within 2 Nl/min. up to 200 Nl/min. for different times in operating mode. Ventilation requirements | Typically 2000 m³/h -for production line +peripherals (for lines with one electrospinning unit)
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Universal equipment for research and small-volume production NS 3S500U -equipment for research and small-volume production The NS 3S500U electrospinning machine is a versatile tool for the research and development of nanofiber products, as well as for small-scale production. It combines the features of a high-end laboratory instrument with the possibility of industrial production. Flexibility of used polymers and substrate materials The NS 3S500U device allows electrospinning a wide range of polymers, including highly viscous polymer solutions. These can be spun onto many types of base material including cellulose, synthetic materials or fiberglass. Nanospider™ needle-free technology enables easy process optimization. Adjustment of most process specifications is possible using the touch screen. Quality and safety - Made from FDA certified materials - Meets all CE requirements - Security door locks - Safety switches - Integrated substrate material rewinding NS 3S500U functions and recommended use The device is equipped with a peristaltic pump for continuous filling, with the ability to constantly mix the solution. This allows for an automated operating mode, and the device is also suitable for small-volume production of nanofibrous materials. - The fastest upscale for industrial production - The material produced has high performance/yield and uniformity compared to needle technologies - 500 mm wide layer of nanofibers - Allows control of all process parameters (voltage, substrate speed, die size, application head speed, wire distance from the substrate, and others) - Continuous operation up to 8 hours (depending on the polymer solution and device setting) Expanded research and production capabilities thanks to additional types of electrodes In addition to the standard wire electrode, each NS 3S500U machine is equipped with two additional types of collecting electrodes - a rotating electrode and an endless belt. These can be variably changed according to your needs, significantly expanding the possibilities of work on the NS 3S500U machine. Endless belt As a collecting electrode, the endless belt enables electrospinning on substrate materials with a wider range of volume resistance (10 10 – 10 16 Ohm) that cannot be used with the standard wire collecting electrode. The substrate layer is fastened to the belt using electrostatic force, which significantly improves the mechanical support of the substrate material. Thanks to the electric motor, the belt moves at the same speed as the substrate material so there is no undesirable stress. In addition, the standard belt can be replaced with a PTFE version, which can be operated without substrate and used for direct spinning thanks to its drive. NS 3S500U technical specifications - Stationary electrode string system - Number of spinning electrodes: 3 - Spinning electrode width: 500 mm - Integrated one-way substrate material unwinding/rewinding - Electrospinning tension: 0-100 kV - Unwinding speed: 5-5000 mm/min. - Electrode distance from the substrate: 120-240 mm - Effective width of the nanofibrous layer: 300-500 mm - Continuous solution pumping (depending on polymer/solvent solution): up to 8 hours - Operation time in batch mode (depending on polymer/solvent solution): up to 60 min. Consumption - Power consumption (up to 5.4 kW when external winding is connected): up to 1,4 kW Dimensions - Height: 2250 mm - Spinning electrode width: 1640 mm - Length: 1470 mm - Weight: 510 kg The stated dimensions are without peripherals, incl. additional aluminum frame Accessories - Solution containers - Production mode: Continuous pumping; Type of trays: Peristaltic; Volume: 1 000 ml - Production mode: Batch mode; Type of trays: Standard; Volume: 50 ml x 2 - Production mode: Batch mode; Type of trays: Small; Volume: 10 ml x 3 - Optional collecting electrode - Rotating electrode: RPM: up to 2000; Cylindrical collectors; Peripheral speed: up to 10 m/s - Endless belt: Speed: 5-5000 mm/min; Collectors: PU, PTFE - Additional aluminum frame for easy sample collection - Integrated fire extinguishing system Optional peripherals - (NS AC 150) Air conditioning unit - External base material unwinding and rewinding Throughput | Depends on the polymer, substrate, process and fiber diameter - Effective nanofiber layer width: 300-500 mm - Operating temperature: 20-30 ºC - Working humidity: 20-40%RH - Process air flow: 30-250 m 3/hour - Serving staff: 1 person - Production premises (when connecting external winding 4x6 m): 4×4 m - Extraction ventilation connection required - Power (adapted for networks in all countries): 230 V - Power supply (external winding): 3×400 V - Exhaust ventilation: 250 m³/hour - Compressed air(for external winding only): 5 bars - Appropriate exhaust air cleaning required - Supply air connection for optional AC unit - Fire extinguishing system connection - External grounding Background - Maximum width of the substrate roll: 550 mm - Max. roll diameter (with external winding 500 mm): 400 mm - Possible substrate materials: Cellulose, synthetics, fibreglass, films Polymers Versatile setup for soluble polymers Thread specifications - Adjustable fibre diameters: approx 80-700 nm - Fibre diameter deviation: typically +/-30% - Homogeneity of the transverse profile and winding direction: typically +/-5% - All fiber specifications are polymer, substrate and process dependent
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Scalable industrial production line Nanospider™ NS 8S1600U is our most versatile module for high-volume nanofiber production. It is designed for ease of use, scalability, and flexibility in the production of the highest quality nanofibers. The 1.6 meter wide electrospinning units are modular, allowing up to four NS 8S1600U units to be combined into one production line, which results in the capacity to produce tens of millions of square meters of nanofiber materials annually. Technical specifications of the NS 8S1600U production line - Number of electrospinning units: 1 - Number of application modules: 2 - Modules can also be operated independently with different polymers - Total number of spinning electrodess: 8(4 per module) - Spinning electrode width (adjustable width 1000-1600 mm): 1600 mm - Electrospinning voltage: 0-140 kV - Unwinding speed (depending on the desired nanofiber layer): 0,2-40,0 m/min. - Distance of the spinning electrode to the substrate: 150-250 mm - The distance of the wires of the collecting electrode above the substrate: 30-130 mm - Electrical Consumption: 5 kW - Machine dimensions: Height 2930 mm, Width 3200 mm, Length 2600 mm, Weight 2500 kg - Temperature: 20-30°C - Humidity: 20-40%RH - Hours of operation: 24/7 operation - Startup time: Typically within 20 min. - Time required to fill the polymer: 15 minutes - Tank volume: 60 litres (2×30 litres) - Monthly maintenance allowance: Approximately 15 hours (depends on the process) - Serving staff: 1.5 person/shift - Production premises requirements: Approximately 200 m² (10×20 m); Minimum ceiling height of 4 m; A space with little dust is required - Other special requirements: Appropriate exhaust air treatment; Dry compressed air; Inert gas - Ventilation requirements: Typically 2500 m³/h -for production line +peripherals (for line with one spinning unit)
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The Polymer Preparation System (PPS) is designed for safe, controlled and efficient preparation of polymer solutions for the Nanospider™ electrospinning process. The system integrates mixing, dosing, and process handling into a single solution. The stainless-steel mixing vessel is equipped with an integrated heating and cooling system, ensuring stable process conditions during solution preparation. The preparation process is based on predefined recipes and automated dosing, minimising operator intervention and ensuring consistent, repeatable solution quality. Thanks to its closed-system design, operator exposure to solvents, chemicals and polymer solutions is significantly reduced, improving overall operational safety. With its intuitive operation and reliable process control, the PPS is suitable for laboratory, pilot and industrial electrospinning environments.
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