Preparation method of special color master batch for ultrahigh-molecular-weight polyethylene spinning
A technology of polyethylene spinning and ultra-high molecular weight, which is applied in the direction of single-component polyolefin rayon, rayon manufacturing, textiles and papermaking, etc. problem, to achieve low cost, high quality, bright and uniform color effect
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[0022] The invention is a method for preparing a special color masterbatch for ultra-high molecular weight polyethylene spinning, which is specifically implemented by the following four steps:
[0023] step 1
[0024] Choose the molecular weight (×10 4 ) 50-1.5 million, particle size is 40-60 mesh polyethylene resin, with 66-84% by weight of high-molecular-weight polyethylene resin as the main body, plus 10-20% organic pigment toner (the color can be adjusted according to the needs of organic Pigment toner), 1-3% antioxidant, 1-5% light stabilizer, 2-6% mineral oil, mixed at room temperature for 20-40 minutes by a mixer to prepare colored resin mixture.
[0025] step 2
[0026] Melt and extrude the colored resin mixture prepared in step 1 with a vented twin-screw extruder to extrude multiple strands of Φ4-5mm; the extruded colored strands are cooled and solidified by a water tank, and then cut off by a pelletizer It is a colored masterbatch with a length of 5mm. The screw ...
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