Cleaning solutions for removing uncured polyester resin systems from the surfaces of processing equipmentUS5378386 * 1993年8月12日 1995年1月3日 Cook Composites And Polymers Co. Cleaning solutions for removing uncured polyester resin systems from the surfaces of processing equipment...
Uncured polyurethane resin systems are efficiently removed from the surfaces of dispensing equipment, tools and other such items on which the resin systems are not desired by a cleaning solution comprising: 1. water;2. at least about 2 wt % of at least one dibasic ester; and3. a catalytic...
Excess liquid dressing is removed from filaments by passing them in contact with an absorbent or adsorbent surface of porous carbon. As described, a tow of polyacrylonitrile filaments sized with uncured epoxy resin in acetone is passed in tangential contact with a roller or stationary cylinder of ...
PURPOSE: To easily remove and recover the uncured photosensitive resin in a hollow part in order to produce an optically shaped article in a group without performing division planning by efficiently removing and recovering the uncured photosensitive resin in the hollow part of the optically shaped ...
PURPOSE: To easily remove and recover the uncured photosensitive resin in a hollow part in order to produce an optically shaped article in a group without performing division planning by efficiently removing and recovering the uncured photosensitive resin in the hollow part of the optically shaped ...
16.The method of claim 11 wherein the resin comprises a two-component epoxy resin. 17.The method of claim 11 wherein the formation is contacted with the chemical solvent for at least 30 minutes. 18.The method of claim 11 wherein the chemical solvent is introduced into the subterranean form...
a 0.1-5 wt % sodium carbonate dilute solution or a 0.1-5 wt % potassium carbonate dilute solution. The main purpose of the developing treatment is dissolution removal of the uncured sections, but the cured sections may also swell, while not dissolving, in the developing solution. Such swelling...