Preparation method and application of high lubricated oxidized polyethylene wax
A technology of oxidized polyethylene wax and lubricity, which is applied in the field of preparation of high lubricity oxidized polyethylene wax, can solve the problems of poor compatibility, low polarity, unsatisfactory lubricating and dispersing effects, etc., and achieve excellent dispersibility, Remarkable effect, the effect of green production function
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[0026] A kind of preparation method of high lubricity oxidized polyethylene wax disclosed by the invention comprises the following methods,
[0027] 2) prepare low molecular weight polyethylene wax,
[0028] Waxy low molecular weight polyethylene oligomers are used as raw materials, the waxy low molecular weight polyethylene oligomers are polyethylene waxes with a relative molecular mass of 2000, and liquid carbon dioxide is used as a solvent, and the solvent liquid carbon dioxide is supercritical carbon dioxide and the monohydric short-chain alcohol is a precipitating agent, and the precipitant is a C2-C4 monohydric short-chain alcohol, and the reaction is carried out at a reaction temperature of 100-145° C., and the reaction is controlled by dissolving, concentrating, precipitating, separating, and drying Temperature; the melting temperature is 100-120°C; the drying temperature is controlled to be 60-80°C. That is to produce low molecular weight polyethylene wax products wi...
Embodiment 1
[0058] A kind of preparation method and application thereof of a kind of high lubricity oxidized polyethylene wax disclosed by the present invention, a kind of implementation mode of following example is as follows,
[0059] A kind of preparation method of high lubricity oxidized polyethylene wax disclosed by the invention comprises the following methods,
[0060] 1) prepare low molecular weight polyethylene wax,
[0061] Waxy low-molecular polyethylene oligomers are used as raw materials, and the waxy low-molecular polyethylene oligomers are polyethylene waxes with an average relative molecular weight of 2000, supercritical carbon dioxide is used as a solvent, and monohydric short-chain alcohols of C2 As a precipitating agent, react under reaction temperature conditions, control the ratio of waxy low molecular polyethylene oligomer and solvent to 1:5, after several times of dissolution, concentration, precipitation, separation, and drying, control the dissolution temperature ...
Embodiment 2
[0067] A kind of preparation method and application thereof of a kind of high lubricity oxidized polyethylene wax disclosed by the present invention, a kind of implementation mode of following example is as follows,
[0068] A kind of preparation method of high lubricity oxidized polyethylene wax disclosed by the invention comprises the following methods,
[0069] 1) prepare low molecular weight polyethylene wax,
[0070] Waxy low molecular weight polyethylene oligomers are used as raw materials, supercritical carbon dioxide is used as solvent, and C4 monohydric short chain alcohol is used as precipitant, and the reaction is carried out under the reaction temperature conditions. After several times of dissolution, the dissolution temperature is controlled to be 100 Concentration, precipitation, separation, and drying at -120°C, and the drying temperature is controlled at 60-80°C to produce low molecular weight polyethylene wax products with different average relative molecular...
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