Property of cuprammonium rayon was introduced.Three passages drawing was done,and this processing plan was adopted when spinning cuprammonium rayon cotton blended knitting yarn.
This article introduces the key technology of producing Lycral broadwise elastic fabric on home made equipments, such as spinning frame and shuttle loom .
Trial spinning is described through analysis on the spinnability of trivoltine cocoon waste material, which can produce ultrafine spun silk yarn due to its excellent spinnability.
So it was hard to satisfy the requirements of spinning.In this paper, the xylan enzyme was used and the content of alphacellulose was enhanced from 80% to 85.5%.
It is not only meet with precision of the outface of parts,but also can assure the precision of the inface of parts.And it is developped the traditional process mandrel spinning.