Composite polypropylene wax used for plastic and preparation method of composite polypropylene wax
A polyethylene wax and polyethylene technology, applied in the chemical industry, can solve the problems such as the softening point, hardness and other data cannot be effectively guaranteed, the dispersion effect and coloring performance are reduced, and the molecular weight distribution is wide, so as to improve the dispersion effect and coloring strength, Improved dispersibility and narrow molecular weight distribution
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[0007] The invention includes polyethylene oligomer, Fischer-Tropsch wax or microcrystalline wax, and industrial hydrogenated oil; the polyethylene oligomer has the following properties: the softening point is above 100° C., and the average molecular weight is 1500-3000.
[0008] The weight ratio of each material is: polyethylene oligomer 50%, Fischer-Tropsch wax or microcrystalline wax 15-35%, industrial hydrogenated oil 35-15%.
[0009] A kind of preparation method of composite polyethylene wax for plastics is carried out according to the following steps:
[0010] 1) Break the polyethylene oligomer first, and then put the broken material into the reactor;
[0011] 2) Heat the polyethylene oligomer until the material is completely melted into a liquid state. The heating temperature is set at 180-200°C. During the heating reaction, use a vacuum pump to negatively pressure the reactor to obtain long-chain aliphatic with shorter side chains. Hydrocarbon polyethylene wax;
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