Method for controlling discoloration of nylon

The invention discloses a method for controlling discoloration of nylon. The method comprises the following steps: firstly, uniformly stirring magnesium oxide and nylon; secondly, adding organic silicone oil, with the mass being 0.01+/-0.001 percent of that of nylon, into a material formed in the fi...

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Bibliographische Detailangaben
Hauptverfasser: OU ZHENGQING, XIE GUOYUAN, ZHANG JINGZHI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a method for controlling discoloration of nylon. The method comprises the following steps: firstly, uniformly stirring magnesium oxide and nylon; secondly, adding organic silicone oil, with the mass being 0.01+/-0.001 percent of that of nylon, into a material formed in the first step, and uniformly stirring; thirdly, uniformly stirring titanium dioxide of a material formedin the second step with toner being added; fourthly, performing extrusion granulation through a double-screw extruder. The method is simple to operate, adding is performed directly during normal production and granulation, and excessive operation processes are not required to be additionally added; the use effect is good, discoloration of nylon color blended products is effectively prevented, andthe weather resistance and the temperature resistance of nylon products are improved; the price is low, raw materials are easy to get, the price is low, and the method is simple and convenient compared to the manufacture of no