Patent ID: 8012399
Filing Date: 2011-09-06
Classification: A24D,C01B,D01D,D01F

Abstract:
1. A process for forming phenolic fibers comprising: a) providing a phenolic polymeric system comprising a 50/50 solution of (i) about 40 to about 60 weight percent of resole in a solvent selected from the group consisting of ethanol, isopropanol, acetone, ethyl acetate, dichloromethane, hexafluoropropanol, and mixtures thereof, and (ii) about 40 to about 60 weight percent of novolak in a solvent selected from the group consisting essentially of ethanol, isopropanol, acetone, ethyl acetate, dichloromethane, hexafluoropropanol, and mixtures thereof; and b) electrospinninq said phenolic polymeric system to form phenolic fibers having nano- or micro-scale dimensions.