Coatable/adhesive sheets or boards made from fibre reinforced polypropyls

摘要

Paintable and/or adhesive webs or sheets made of fiber-reinforced polypropylene, where the webs or sheets are directly bonded on one or both surfaces with kraft paper, is claimed. Independent claims are included for: (1) procedure for the continuous production of webs, comprising pressing the reinforcing fiber webs and polypropylene webs together on one or both sides with the kraft paper web as outer layer at temperatures above the softening range of the polypropylene; and (2) procedure for the batch-wise production of sheets, pressing the sheets made of reinforcing polypropylene on one or both sides with kraft paper at temperatures above the softening range of the polypropylene.