to room temperature and filtered on a filter having a mesh size of 160 u03bcm the characterization of the copolymer obtained in terms of solids content sc and average particle size d is given below a 1 0 pulp i e the beaten paper in water blank test or in the respective system listed below was prepared either from 100 esprit paper containing two adhesive labels or from a bleached short fiber pulp with barcode labels these pulp mixtures were beaten for two minutes in a mixer at room temperature about 18 u00b0 c a 200 ml sample of the pulp was stirred in a 400 ml beaker at 500 rpm for 30 seconds the stickies were colored by adding to each batch a defined amount of blue solvent dye after a defined stirring time typically 2 minutes the pulp was filtered off on a 541 filter paper under constant reduced pressure a further 541 filter paper was placed atop the resultant filter cake this filter paper sandwich was transferred to a schroeter dryer and dried on a separate metal plate at 100 u00b0 c for 15 minutes after cooling the top filter paper was removed and the sticky particles were evaluated by means of a flatbed scanner resolution 600 dpi using imagej software the image was analyzed counting of the transferred stickies imagej is an image processing program which can be found in the public java domain and can be used to draw edit analyze process store and print images resolution 8 bit 16 bit and 32 bit the.