Uniformity detection and evaluation method for polymer-powder blending system

• Main Authors: LI ZIYU, LIU ZHENGUO, HUANG WEI, YANG MENGHONG, CHEN YANHUI
• Format: Patent
• Language: Chinese; English
• Published: 19.08.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a method for detecting and evaluating the uniformity of a polymer-powder blending system, and relates to the field of polymer-powder blending system.The method comprises the steps that a to-be-detected sample of a constant phase angle element structure is prepared through the polymer-powder blending system; measuring actually measured impedance amplitudes of the to-be-measured sample at different sampling frequencies by using impedance measurement to obtain an actually measured amplitude frequency curve of the to-be-measured sample; and according to the amplitude frequency model, determining theoretical impedance amplitudes of the to-be-detected sample at each sampling frequency to obtain a theoretical amplitude frequency curve, calculating a deviation parameter between the actually measured amplitude frequency curve and the theoretical amplitude frequency curve of the to-be-detected sample, and obtaining a detection evaluation result. According to the method, the distribution uniformi