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PES hollow fiber membrane unstable drawing
Fenómeno do problema
Uneven wall thickness or broken filaments occur in hollow fiber membrane spinning
Análise das causas
The spinning solution (casting solution) composition does not match; coagulation bath temperature and composition fluctuate; draw ratio set improperly
Solução
Optimize the polymer content and additive formulation of the spinning solution; precisely control the coagulation bath conditions; adjust the draw ratio within a suitable range
Conclusão principal
The PES hollow fiber membrane manufacturing process is high-precision process control
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