Method for detecting mass content of component in polyolefin

The invention provides a method for detecting mass contents of components in polyolefin. The method comprises the following steps: (1) preparing standard samples of different component contents, wherein the standard samples are mixtures of components of polyolefin; (2) detecting the standard samples by using an infrared spectrum method so as to obtain an infrared spectrum of the standard samples of different component contents; (3) establishing a corresponding relationship of the component contents of the standard samples and the infrared spectrum; and (4) detecting the polyolefin to be testedby using an infrared spectrum method, and acquiring mass contents of the components in the polyolefin to be tested by using the detected infrared spectrum according to the corresponding relationship.An infrared spectrum analysis technique used in the detection process of the method has the advantages of being simple in operation, low in detection cost and high in instrument popularization rate,and by adopting the method