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Effect of Air Humidity on Charge Decay and Lifetime of PP Electret Nonwovens
PP filtration fabric corona charging electret electric charge lifetime
2009/2/12
The effects of air humidity on the charge decay and lifetime of polypropylene (PP) electret nonwovens manufactured by the pneumothermic method are presented. The PP fabric samples were corona-charged ...
Measurement of Fibre Humidity Using Spectroscopic Method
humidity fibre humidity spectroscopic method FTIR
2009/2/9
A method of measuring fibre humidity, which allows for investigation of very small masses of samples (in the milligram range) using typical FTIR spectrophotometers has been developed.
The method is b...