method of producing a thermopapiers

摘要

describeda method of producing a thermopapiers with atr & auml; gersubstrat,a pigmentzwischenschicht, a thermoreaktionsschicht and, where appropriate,one or more additional layers and / or avoiding.with the pigmentzwischenschicht with a pigment, a binder, andif necessary, further auftragsadditive containing w & auml; ssrigenauftragssuspension by curtain coating process training. this method is characterized by the fact that a calcinierteskaolin containing w & auml; ssrigeauftragssuspension a feststoffgehaltes of about 25 to 75 wt.%by means of the curtain coating process on a speedof at least about 500 m / min, applied and dried. thisprocedure is technically simple and economical r & t.;;. in particular,erm & all; guchtthe application of curtain coating method with high speedmore than 750 m / min and more than 1500 m / min.