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1 CA2141265A1
PIEZOELECTRIC GAS SENSOR;DETECTEUR DE GAZ PIEZOELECTRIQUE

The invention relates to a sensor comprising a piezoelectric crystal with a polyarylene thioethercontaining coating, the coating containing at least one polyarylene system having repeating units of the formula I, -¢(Ar1)n-X!m-¢(Ar2)i-Y!j-¢(Ar3)k-Z!l-¢(Ar4)o-W!p- (I) which contain at least one thioether group, in which Ar1, Ar2, Ar3 and Ar4 are identical or different aryl systems having from 6 to 1...

30.07.1995