Improvement of spinning process for improving quality of fibril;

Discussion of spinning process of superfine islands-in-sea bicomponent fiber

The style and characteristics of equipments in the production of PET microfiber and the corresponding spinning process requirements were introduced in detail.

Discussion on higher shrinkage polyester staple spinning technology;

Based on the spinneret holes,spinning liquid,spinning technology,it analyzed the influence of these factors to the fiber profiles,fiber performances and the use of profiled fiber.

The raw material selection, spinpack designing, bicomponet spinning technology and texturizing were discussed.

Though the production of spunbond nonwovens has some difference with filament spinning, but their spinning principle is the same.

There are many similarities in the spinning technology between the PET spunbond and the PET high speed spinning, but the requirements of the two spinning technology aren′t the same because of the differences on the way of draw off, the speed of the draw off and the requirements of the two products.

Based on the experiment and investigation made on the relations between raw silk cohesion and cocoon cooking, silk reeling, thread guide quality and rewinding, the author suggests some measures to improve raw silk cohesion in silk reeling.