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polymer
 
polymer

محل درج آگهی و تبلیغات
 
نوشته شده در تاریخ سه‌شنبه 19 فروردین 1393 توسط پلیمری - رنگ

For those projects where melt spinning solutions cannot succeed, FET designs and manufactures Laboratory and Pilot Wet and Gel Spinning Systems. This process is used for polymers that need to be dissolved in a solvent to be spun.

In the case of wet spinning, the spinneret is submerged in a chemical bath that causes the fibre to precipitate, and then solidify, as it emerges. Gel spinning is sometimes described as dry-wet spinning, since the filaments first pass through air and then are cooled further in a liquid bath.

Solvent spinning is used to obtain high strength or other special properties in the fibres. The polymer is in a "gel" state, which keeps the polymer chains somewhat bound together. These bonds produce strong inter-chain forces in the fibre, which increase its tensile strength. The polymer chains within the fibres also have a large degree of orientation, which increases strength. Some high strength polyethylene fibres are produced via this process.

Wet and gel spinning applications:

Based on a modular concept, FET Wet and Gel Spinning systems are used for a variety of solvent and polymer combinations and are being operated worldwide.

Wet and Gel spinning as a tool for engineering new functional textile materials

Allows maximisation of polymer and hence fibre properties Available for multifilament, monofilament and fibre in both laboratory and pilot scale Bio-medical applications

optimisation of process conditions for transfer to production systems

All FET Wet and Gel spinning systems are tailor made and take into account required throughput polymer/solvent combination and downstream process conditions.




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