High molecular weight Polyethylene Wax, with a large molecular weight and narrow molecular weight distribution, is suitable for high concentration color masterbatch systems. It has good dispersibility to pigments, improves the brightness of color masterbatches, prevents color difference and streaking, and ensures lubrication during processing. It also plays a role in conveying shear force, achieving a balance between lubrication and dispersion systems.

Recommended application of pe wax for color masterbatch:
Suitable for black and white masterbatch, color masterbatch, cast masterbatch, coated masterbatch, non-woven masterbatch, chemical fiber masterbatch, spinning masterbatch, etc
Advantages of polyethylene wax application in color masterbatches:
(1) High thermal stability
Polyethylene wax has good thermal stability because if the wax material vaporizes, it will have a negative impact on the color masterbatch and products. There are some substances at any point, such as paraffin, which loses 10% of weight within 4 minutes after a thermal weight loss test at 200 ℃, and more than 20% after 10 minutes. Therefore, some cheap polyethylene will add low molecular weight substances such as paraffin, It will have a certain impact on the quality of color masterbatch and subsequent product processing.

(2) Appropriate molecular weight
Through dispersion tests of polyethylene wax with different molecular weights, the ability of wax to separate pigments gradually increases with the increase of molecular weight. For the production process of color masterbatch, it is more suitable to choose polyethylene wax with a molecular weight of 3000.
(3) Narrow molecular weight distribution
The molecular weight distribution has a certain impact on the dispersion performance of polyethylene wax, and waxes with narrow molecular weight distribution have better dispersion performance compared to waxes with wide molecular weight distribution. Low molecular weight polyethylene wax has a relatively low molecular weight, a wide molecular weight distribution, and a longer melting range. The low molecular performance fully meets the absorbability of various inorganic powders and pigments, achieving the effect of wetting and dispersing the coating in the early stage. Some high molecular weight substances meet the dispersing and lubricating effects in the middle and later stages, have excellent processability, and the surface of the product is bright.

Polyethylene wax has good compatibility with pigments, is easy to wet pigments, and can penetrate into the internal pores of pigment aggregates, weaken cohesion, and make pigment aggregates more easily broken under external shear force. Newly generated particles can also be quickly wetted and protected, making it a dispersant for various thermoplastic resin color masterbatches and a lubricating dispersant for filling and degrading masterbatches. In addition, polyethylene wax can also reduce the viscosity of the system and improve flowability. Therefore, adding polyethylene wax during the production of color masterbatch can improve production efficiency and yield, and stabilize the dispersion effect.
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Qingdao Sainuo Group. We are manufacturer for PE wax, PP wax, OPE wax, EVA wax, PEMA,EBS,Zinc/Calcium Stearate…. Our products have passed the REACH, ROHS, PAHS, FDA testing.
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