- DHP419 Series of PP Yarn Stretching Machine
- DH419D Series PP FDY Multifilament Spinning Machine HT
- DHP418 Series PP FDY Multifilament Spinning Machine MT
- DHKV 1235-12 Polyester POY Spinning Line
- DHPE Ultra High Molecular Weight Polyethylene Yarn Spinning Equipment
- DHTA Aramid 1414 Yarn Spinning Line
The spinning method of polyester is melting. Acrylic and vinylon will thermally decompose when they reach the melting temperature, so they are not suitable for melt spinning and can only be used for solution spinning; while the thermal decomposition temperature of polyester and nylon is much higher than their melting temperature, so melt spinning can be carried out.
Acrylic fiber: thermal decomposition temperature 200～250℃, melting point up to 320℃
Vinylon: decomposition temperature 200～220℃, melting temperature 225～230℃
Are there other ways to spin polyester? Of course, but compared to cost, working environment, pollution and other reasons, so choose melting.
The melting equipment is simple, the working environment is good, and the pollution is small.
When polyester is spinning, as long as heat is transferred, mass transfer is not required, and there is no solvent, so melt spinning can be used, which is the reason for the process.
