Cleaning wipe for removing contamination from an article and method of making
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United States of America Patent
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Issued Date -
Mar 6, 2008
app pub date -
Jul 12, 2006
filing date -
Jul 12, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
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.
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