Patent ID: 8404082
Filing Date: 2013-03-26
Classification: C09K,D21B,D21H,F16D

Abstract:
1. A process for making a fibrillated wood pulp and polyarenazole pulp for use as reinforcement material, comprising: (a) combining pulp ingredients including: (b) mixing the ingredients to a substantially uniform slurry; (c) co-refining the slurry by simultaneously: (d) removing water from the refined slurry, thereby producing a fibrillated wood pulp and polyarenazole pulp with the fibrillated wood pulp and the polyarenazole fibrous structures having an average maximum dimension of no more than 5 mm, a length-weighted average length of no more than 1.3 mm, and the fibrillated wood pulp fibrils and/or stalks are substantially entangled with the polyarenazole fibrils and/or stalks.