The role of polyethylene wax in PP processing

2021-07-25   Pageview:1266

In the processing of LLDPE and HDPE, the use of polyethylene wax can reduce the current of the active machine by 10-20%, increase the extrusion volume and shorten the time. Especially in the LLDPE blow molding process, it can greatly improve the appearance quality and transparency.

Application of polyethylene wax:

1. When polyethylene wax is used to process polypropylene filaments with higher viscosity, adding this product can increase the MI value, increase lubricity and fluidity, reduce flat filament breaks, and improve smoothness. It is an ideal polyolefin melt index modifier.

2, Polypropylene resin blending modified mold release agent: When a large amount of filler is added to polypropylene, injection molding is difficult, the surface of the product is rough, and it is not easy to demold. Adding a proper amount of polyethylene wax can improve the fluidity of the blend and make the material Compatibility and mutual dissolution make the product easy to demould and improve the finish of the finished product.

3, Polyethylene wax can be used as a carrier for the manufacture of toner for electrostatic copiers. It has an excellent lubricating effect, can increase the melting point and moisture resistance of the toner, and prevent the copying from sticking.

4, Polyethylene wax is an energy-saving agent and processing technology modifier for polyolefin resin processing. Adding an appropriate amount of polyethylene wax to LDDE, HLPE, and extrusion can reduce the host current by 10-20%, increase the extrusion speed, and increase The ergonomics, especially in the LDPE blow molding process, can improve the appearance quality and transparency of the film, and eliminate the phenomenon of shark skin.

5, Polyethylene wax is a dispersant and lubricant used in the manufacture of high-temperature thermospinning masterbatch. It can replace polyethylene wax for high-temperature spinning masterbatch manufacturing, and overcome the peculiar smell caused by the sublimation of polyethylene wax during high-temperature spinning. It is especially suitable for the dispersion and lubrication of propylene, polyester and nylon spinning master batches.

6, Polyethylene wax is used in the manufacture of high temperature resistant hot melt adhesive. It is an anti-wear agent for printing ink, which can improve the abrasion resistance of ink, overcome wiping, and improve temperature resistance.

Physical properties of polyethylene wax has the characteristics of high melting point, low melting, good lubricity, and good dispersibility. It is currently an excellent assistant for polyolefin processing.


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