Extraction process for ultrahigh molecular weight polyethylene fibre
A polyethylene fiber, ultra-high molecular weight technology, applied in the direction of single-component polyolefin rayon, fiber treatment, rayon physical therapy, etc., can solve the problems of intermittent operation, poor production continuity, and difficult fiber filaments. , to achieve the effect of increasing the extraction speed, increasing the drafting speed and reducing the residual content
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Embodiment 1
[0012] An extraction process for ultra-high molecular weight polyethylene fibers, the extraction process adopts multi-stage continuous extraction technology and three-dimensional ultrasonic vibration to promote extraction technology, the extraction agent is a compound alkane extraction agent, the compound alkane extraction agent includes hexane and octane (volume ratio 1:1), using the gradient distribution of the solvent content in the extractant, a set of high-efficiency extraction process is formed, which improves the extraction speed, effectively reduces the residual content of solvent in the fiber filament, and improves the drawing speed for the drawing process And lay a good foundation for product quality.
Embodiment 2
[0014] An extraction process for ultra-high molecular weight polyethylene fibers. The extraction process adopts multi-stage continuous extraction technology and three-dimensional ultrasonic vibration-promoted extraction technology. The extraction agent is a compound alkane extractant. The compound alkane extractant includes octane, petroleum ether and hexane (volume ratio 1:0.5:0.5), using the gradient distribution of solvent content in the extractant, a set of high-efficiency extraction process has been formed, which improves the extraction speed and effectively reduces the residual content of solvent in the fiber filaments. Improve drawing speed and product quality to lay a good foundation.
Embodiment 3
[0016] An extraction process for ultra-high molecular weight polyethylene fibers. The extraction process adopts multi-stage continuous extraction technology and three-dimensional ultrasonic vibration-promoted extraction technology. The extraction agent is a compound alkane extraction agent. The compound alkane extraction agent includes decane, octane and petroleum ether (volume ratio 1:0.8:0.2), using the gradient distribution of solvent content in the extractant, a set of high-efficiency extraction process has been formed, which improves the extraction speed and effectively reduces the residual content of solvent in the fiber filaments. The process improves the drafting speed and product quality and lays a good foundation.
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