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A brief introduction to the functional role of cracked polyethylene waxes
2021-01-05
Cracked Polyethylene Wax Custom The dispersants commonly used in the industry today are lubricants. Lubricants have good dispersing properties and can also improve the fluidity and release properties of plastics during molding and processing. Cracked polyethylene wax lubricant is divided into internal lubricant and external lubricant, internal lubricant and resin compatibility, can reduce the cohesion between the resin molecular chain, reduce the melt viscosity, improve the fluidity. The external lubricant has poor compatibility with the resin, it attaches to the surface of the molten resin and forms a lubricating molecular layer, thus reducing the friction between the resin and the processing equipment.
Cracked polyethylene wax customized metal soaps such as barium stearate, zinc stearate, calcium stearate, cadmium stearate, magnesium stearate, and lead stearate have both heat stabilizing and lubricating effects. Cracked polyethylene wax commonly used lubricants are saturated hydrocarbons (solid paraffin, liquid paraffin, microcrystalline paraffin and low molecular weight polyethylene, etc.), metal soaps (zinc stearate, calcium stearate, magnesium stearate, etc.), aliphatic amides (EBS, oleic acid amide, etc.), fatty acids (stearic acid, hydroxystearic acid), fatty acid esters (PETS, etc.) and fatty alcohols; Cracked polyethylene wax to play a role in the mold releasing Lubricants such as polydimethylsiloxane (methyl silicone oil), polydiethylsiloxane (ethyl silicone oil) and so on. In the injection molding process, the use of dry coloring, in the mixing of materials generally add white mineral oil and diffusion oil and other surface treatment agents, play a role in adsorption, lubrication, diffusion, mold release. In the color mixing should also be added to the raw materials in proportion to the mixing.
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