Process for the manufacture of shaped bodies

Claim 1

IN A PROCESS WHEREIN AN ADDITIVE IN THE FORM OF A FINELY DIVIDFED POWDER IS TO BE UNIFORMLY DISTRIBUTED THROUGHOUT A HIGH MOLECULAR WEIGHT PLASTIC TO IMPROVE THE PHYSICAL PROPERTIES THEREOF, AND WHEREIN SAID FINELY DIVIDED ADDITIVE IS CONVERTED INTO LARGER AGGREGATES IN ORDER TO FACILITATE ITS STORAGE AND HANDING BEFORE USE, SAID AGGLOMERATES BEING FORMED BY MIXING A BINDER WITH THE FINELY DIVIDED POWDER AND EXTRUDING THE RESULTING PASTE THROUGH AN ORIFICE TO FORM GRANULES WHICH ARE THEN DRIED, THE IMPROVEMENT COMPRISING EMPLOYING AS THE BINDER AN AQUEOUS SOLUTION OF POLYACRYLIC ACID AMIDE, THE LATTER BEING AT LEAST 1% WATER-SOLUBLE AND HAVING A MOLECULAR WRIGHT OF 1,000 TO 500,000, THE RESULTING DRIED GRANULES BEING STABLE AND RESISTANT TO RUBBING BUT HAVING THE PROPERTY OF BREAKING DOWN INTO THE ORIGINAL POWDERY FROM BY THE PRESSURE EMPLOYED IN MIXING THE GRANULES WITH THE HIGH MOLECULAR WEIGHT PLASTIC, THE PROPORTION OF THE POLYACRYLIC ACID AMIDE TO THE POWDER BEING 0.1-20% BY WEIGHT BASED ON THE POWDER.