Grafting Method By Means of Ionising Radiation Using a Reactive Surfactant Molecule, Textile Substrate and Battery Separator Obtained by Means of Grafting
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United States of America Patent
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Issued Date -
Mar 11, 2010
app pub date -
Jan 28, 2008
filing date -
Jan 29, 2007
priority date (Note) -
Abandoned
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Abstract
A method for grafting functional chemical groups to a textile substrate is provided, wherein the substrate is impregnated with a solution of a functional molecule, containing the functional chemical group and a group that is reactive to ionising radiation, as well as a surfactant molecule that can improve the wettability of the textile substrate by the solution. The surfactant molecule contains at least two types of groups that are reactive to ionising radiation. Subsequently, ionising radiation is applied to the impregnated textile substrate and the reaction of the reactive groups bridge-grafts the functional molecules to the surfactant molecules. A textile substrate and a battery separator grafted using the above method are also described.
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