US Patent:
20030034294, Feb 20, 2003
Inventors:
Floyd Dutton - Polkton NC, US
Victor Baynard - Wadesboro NC, US
International Classification:
B01D063/00
US Classification:
210/321830, 210/506000, 210/489000
Abstract:
A fouling-resistant permeate carrier for a reverse osmosis element, including a tricot knitted fabric and a resin system coated onto the knitted fabric, said resin system including a bisphenol-A/epichlorohydrin-based epoxy resin dispersion, a low molecular weight solid epoxy resin derived from a liquid epoxy resin, bisphenol-A, and a polymeric solid epoxy resin possessing an average epoxide group functionality of 8, a dispersant, a dicyandimide curing agent, a tertiary curing agent, and water for controlling the total percent of nonvolatiles. The dicyandimide may be 4.7-6.5 parts per hundred dicyandiamide and 1.5 parts per hundred of the tertiary curing agent.