Spinning Machine
As the core of a modern membrane production line, our Fiber Spinning Machines are engineered to transform polymers into high-performance separation membranes with precise pore structures. These systems ensure exceptional batch-to-batch consistency for applications in water treatment and biopharma, thanks to features like ±1°C thermal uniformity and integrated process control. Investing in a reliable industrial spinning machine is fundamental to achieving superior product quality, reducing waste, and scaling your manufacturing operations efficiently.
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A Flat Sheet Membrane Casting System mainly consists of four core sections: dope preparation and delivery system, doctor-blade/casting system, phase inversion and solidification system, and post-treatment and winding system. The flat sheet membrane casting equipment performance and stability determine the quality and properties of the flat sheet membrane.
TIPS (thermally induced phase separation) hollow fiber membrane spinning is a technique for producing microporous membranes via temperature change. The core principle is to dissolve a polymer at high temperature in a high boiling, low volatility solvent to form a homogeneous solution, then extrude it through a spinneret. During cooling after extrusion, the system undergoes liquid-liquid or solid-liquid phase separation, ultimately solidifying to form a polymer rich phase and a solvent rich phase. Subsequent extraction removes the solvent; the space previously occupied by the solvent rich phase becomes the membrane's microporous structure.
NIPS hollow fiber membrane spinning is a process for preparing hollow fiber membranes via non-solvent induced phase separation (NIPS). The core principle is to extrude a polymer dope through a spinneret into a non-solvent coagulation bath, where solvent/non-solvent exchange drives polymer phase separation and solidification, forming a hollow structure with an asymmetric porous morphology. This process is widely used in water treatment, gas separation, and medical applications.
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