Equipment parameters and functions


Spinning width is 30cm, electrospinning distance can be adjusted; humidity and temperature can be adjusted; air intake/exhaust system is provided; large-size observation window enables real-time observation of the spinning process; nozzle movement speed, collecting plate speed, temperature and humidity, voltage Current can be monitored in real time; negative pressure cavity design to prevent organic gas leakage; automatic program control, touch operation, easy to use. Safety design, equipped with running instructions, discharge short-circuit protection, grounding system, emergency stop switch, safety lock, explosion-proof glass, overvoltage and overcurrent protection, etc.


parameter configuration




High voltage power supply


(1) Built in the control panel on the right side of the device, the panel displays real-time voltage and current;


(2) 2 power supplies (domestic): adjustment accuracy 0.01kV (DC)


(3) 1 set of positive power supply: 0～+30kV (provided for the use of the bottom rotating nozzle)


(4) 1 set of negative power supply: 0～-30kV (for switching use of all receiving devices on the upper part, directional traction collection)


(5) Display mode: digital display


(6) Protection method: current automatic overload safety protection


(7) Control method: manual


sprinkler


(1) Independent detachable rotating nozzle, with a special device for adjusting the tension, and a roll of spare metal wire is randomly configured


(2) Effective working length: 300mm


(3) Adjustable rotation speed: 0～140rpm


tank


(1) 400ml special electrospinning solution tank, machined to prevent leakage, easy to clean


receiving device


(1) Tape-type collection device: moving speed 0.33～600mm/min


(2) Size: width 300mm, circumference (length) 500mm


(3) The negative electrode receives the voltage with built-in safety insulation


Receive spacing to move components up and down


(1) The spacing adjustment component is fixed inside the chassis, and the bearing receiving device moves up and down;


(2) Moving distance: 0～400mm


(3) There is a metal ruler on the side of the component, which is convenient for real-time observation during adjustment


control device


(1) Host: 7-inch WEINVIEW touch screen industrial control system, integrated in the chassis panel, finger touch control, real-time response to parameter changes during the working process without stopping;


(2) It can control the rotation of the nozzle, and the receiving and rotating device can operate together or independently;


(3) Support automatic memory function of operating parameters;


(4) The time that the experiment has been carried out can be displayed in real time, and the time can be reset to zero;


(5) The number of turns the device has rotated can be displayed in real time;


Environmental control


(1) Integrated industrial dehumidifier built-in;


(2) Space humidity: 30% to 80%, sustainable humidity control


(3) Space air pressure: normal pressure, not adjustable


(4) Space sealing: the spinning chamber is sealed as a whole, and the operating door is hydraulically assisted


accessories


(1) Micro LED observation light


(2) Air outlet (with ventilation hose pipe, length 2m)


(3) High-volume ventilation fan at the top (flow rate≥150m3/hr)


(4) Maintenance/use toolbox (including supporting tools)


safety devices


(1) Power supply overvoltage protection


(2) Power overcurrent protection


(3) Work running warning light


(4) Data memory recovery after power failure


(5) Emergency stop button


(6) Manual key safety lock for spinning chamber door


Dimensions


(1) Dimensions: 117 (W) × 101 (L) × 104 (H) cm, can be placed directly on the test bench, and the volume should not exceed 1.5 cubic meters


(2) Shell material: stainless steel, white painted anti-rust coating, built-in anti-static coating at the bottom of the spinning chamber, corrosion-resistant and easy to clean;


(3) Weight: about 200kg


(4) Power supply requirements: 220V, 50Hz


(5) Rated power: ≤1000W






Spinnable Materials


Organic solvent soluble synthesis of high molecular polymer:


Polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), polyvinyl chloride (PVC), polyimide (PI), polystyrene (PS), polyvinyl butyral (PVB), polypara Ethylene phthalate (PET), etc.;


Water-soluble synthetic polymer:


Polyvinyl alcohol, polyethylene oxide, polyacrylic acid (PAA), polyvinylpyrrolidone, polyethyleneimine, polyacrylamide (PAM), polyethylene glycol (PEG)/polyethylene oxide, etc.;


Synthetic degradable polymer:


Polylactic acid (PLLA/PDLA), polycaprolactone (PCL), polyhydroxyalkanoate (PHA), polybutylene succinate (PBS), etc.


Natural high molecular polymers and their derivatives:


Cellulose, cellulose acetate (CA), ethyl cellulose (EC), hydroxypropyl methylcellulose (HPC), chitin, chitosan, sodium alginate/polyethylene oxide, dextran, deoxyribose Nucleic acid, collagen, gelatin, lecithin, silk fibroin, zein, wheat protein, etc.