Tprinciple of wet spinning process-Part 4 Defference Wet Spinning From Welt Spinning

Compositiong of spinning system

unitary（high polymer）

Binary(dry)high polymer+sovent

binary(wet)high polymer+sovent+sediment

Solidification process theory

Heat transrfer

Heat transfer、mass transfer、diffusion、 phase separation heat

Spinning speed

Hundreds to thousands per minute

Meters to tens meters

Technological process

Simple

Complex

Equipment

High auto and accuracy

General auto and accuracy

Environmental pollution

Light environment pollution

Heavy environment pollution

Economics

Low cost

coagulation bath for configuration, circulation and recycling equipment, costing mimo