Use of amino groups, obtained on a polymer material by an electric treatment under nitrogen atmosphere, for accelerating a grafting reaction
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United States of America Patent
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Sep 20, 1994
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N/A
app pub date -
Jun 2, 1992
filing date -
Jun 10, 1991
priority date (Note) -
Expired
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Abstract
The invention relates to the use of the amino groups created on the surface of a polymer material, such as a polypropylene film, by an electric treatment, notably a cold plasma, under nitrogen atmosphere, for accelerating the grafting of the polymer material by impregnating the latter with a bath containing a vinyl type unsaturated monomer comprising a carbonyl group in .alpha. of the double vinyl bond, such as an acrylic monomer.
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