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Cleaning wipe for removing contamination from an article and method of making

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Y-12 National Security Complex - Visit the Technology Transfer Website
A cleaning wipe that includes polyisobutylene (also sometimes referred to as polybutylene or as polybutene). Typically a substantial portion of the polyisobutylene has a molecular weight (MW) greater than 30,000 and in some particular applications the molecular weight is around 85,000. The polyisobutylene is generally disposed at the surface of a porous substrate, such as a non-woven or woven fabric. A method of making a cleaning wipe is provided. The method typically involves dissolving polyisobutylene in a solvent such as hexane to form a tackifier solution, soaking the substrate in the tackifier to produce a preform, and then drying the preform to produce the cleaning wipe. The cleaning wipes are typically used dry, without any liquid cleaning agent. The surface to be cleaned is wiped with a surface of the cleaning wipe at which polyisobutylene is disposed. Vigorous wiping may be used in applications where contamination is difficult to remove.
Simandl, Ronald F. (Knoxville, TN), Hollenbeck, Scott M. (Knoxville, TN)
BWXT Y-12, L.L.C.
11/ 485,020
July 12, 2006
GOVERNMENT RIGHTS [0001] The U.S. Government has rights to this invention pursuant to contract number DE-AC05-00OR22800 between the U.S. Department of Energy and BWXT Y-12, L.L.C.