Dictionary entry overview: What does uninterested mean? â¢ UNINTERESTED (adjective) The adjective UNINTERESTED has 2 senses: 1. not having or showing interest 2. having no care or interest in knowing Familiarity information: UNINTERESTED used as an adjective is rare.
Copolymers of PVDF are also used in piezoelectric and electrostrictive applications. One of the most commonly used copolymers is P(VDF-trifluoroethylene), usually available in ratios of about 50:50 wt% and 65:35 wt% (equivalent to about 56:44 mol% and 70:30 mol%).Another one is P(VDF-tetrafluoroethylene).VDF exists in several forms: alpha (TGTG'), beta (TTTT), and gamma (TTTGTTTG') phases, depending on the chain conformations as trans (T) or gauche (G) linkages. When poled, PVDF is a ferroelectric polymer, exhibiting efficient piezoelectric and pyroelectric properties.
Variable Frequency Drive (VFD) A Variable Frequency Drive (VFD) or adjustable speed drive is a motor controller device that runs an electric motor by varying the voltage and frequency supplied to the electric motor. VFDâs are also known as AC drives or microdrives since they control the speed of a motor, generally a three phase motor.